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Thread: Help re tech camera lenses please

  1. #51
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    Re: Help re tech camera lenses please

    Quote Originally Posted by miska View Post
    Thanks for all the good suggestions!

    Fortunately for my finances, I think 23mm is really too wide for me at this point. And I am not even sure that 23mm and 32mm are not "compatible" in a lens line-up, because the jump between 23 and 32 seems quite large.
    Maybe if I was 100% sure I needed the 23mm, I would then go 23mm -> 40mm -> [...], but right now, I feel that 32mm is the widest I need - for the moment. Never say never though :-)
    I think I'm right in stating that the problem with every option under the 32HR is that they won't meet one, or both of, your "easy" to use from a workflow point of view, and image circle criteria on an IQ280.

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    Subscriber & Workshop Member GrahamWelland's Avatar
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    Re: Help re tech camera lenses please

    I can't speak to the 28HR but I would agree that the 23HR is a fussy lens to work with if only because of it's propensity to centre hot spots in any kind of flare conditions.
    Remember: adventure before dementia!

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    Re: Help re tech camera lenses please

    Alternate look, for budget and small size:

    35XL, 55 Apo Sironar (although the 60 Schneider would be next in line), Rodie 90 HRW (now discontinued, but a fine lens), and a 150. A bit more spacing, a bit less current and a bunch less cost. Only up to the 60 mp back, tho.
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    Re: Help re tech camera lenses please

    Bill,

    Feel free if you are in London, ON anytime to drop by. You can hands-on demo 23/32/40HR and 60/120XL along with the Arca and all the bits that go with it. Still waiting for the 90HR-SW, but could be a while, apparently there was a recall on that lens by Rodenstock.

    I think it is more than just focal length. Each of these lenses has their quirks and charms. As an all-rounder, I think the 40HR or 60XL are very good. The 32HR is massive, and the 23HR highly specialized. The new 120SK is also very good, but again a specialized FL. I don't have the 43XL, but have played with it. It is also a very nice lens and much smaller than the Rodie, although I prefer the Rodie for its size, especially when when using gloves.

    Gazwas also has a Arca/43XL for sale in the B&S which would be great kit.

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    Re: Help re tech camera lenses please

    Quote Originally Posted by GrahamWelland View Post
    I can't speak to the 28HR but I would agree that the 23HR is a fussy lens to work with if only because of it's propensity to centre hot spots in any kind of flare conditions.
    I had the 28 HR on my IQ 160. No issues with flare and about 7mm worth of movement and also a laser. I compromised between the 23 and 32 as the 28 is pretty dang wide and smaller , lighter than the 32 and not as finicky as the 23. The 32mm makes me really nervous on the copal shutter, if mishandled a little there are reports of problems with the copal shutter. Great lens though but one reason I went 28 and I do like the focal better.
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    Re: Help re tech camera lenses please

    Ok, imagine I drop my "requirement" to future proof my lenses , and go with a line-up that works on an IQ160, but doesn't on an IQ180 (basically all wide Schneiders).

    Do I still lose something on the IQ160 ? I mean maybe the lenses correct well with LCC on an IQ160, but still require an LCC. Whereas an IQ180-compatible lens would allow me to work without LCCs on an IQ160. That would be a plus from the workflow point of view.

    I just assume that the color casts already exist on an IQ160, and they become uncorrectable on an IQ180. And that the color cast problem is "solved" (if you work without movements) with a Rodenstock retrofocus design, hence making the lens IQ180 compatible, and possibly LCC free on an IQ160.

    Is this true, or am I pretty much going to have to do an LCC anyway, and on an IQ160, the Rodenstocks do not bring that much ?

    Thanks so much for your input !

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    Re: Help re tech camera lenses please

    LCC only takes a few seconds, I find it mandatory on all of my lenses regardless of having a center filter or not. I even do an LCC on my 210mm Schneider mounted on my Arca R3MDI. I use a Hasselblad H4D50 back.
    Stanley

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    Re: Help re tech camera lenses please

    I just finished an Alpa demo of the Rodi 28mm on an IQ180 and found that it was exceptional across the whole field. Almost as good as the Rodi 40mm that I own. In Landscape orientation, I was able to shift the lens +/- 8mm before hard vignetting began in the corners. For smaller displacements, color shifts and falloff were easily neutralized with an LCC. I certainly wouldn't rule it out, although I just about passed out when told the price!

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    Re: Help re tech camera lenses please

    If you stick at 60mp then the schneider a with the exception of the 24XL all become viable and great cheaper options. The rodies definitely have some advantages as you go larger MP and they are even wickedly sharper than the merely wickedly sharp schneiders. You pay for with size, weight and cost though.
    Remember: adventure before dementia!

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    Re: Help re tech camera lenses please

    OMG how have I not seen this post!

    First there's a lot of good information/suggestions posted here. The very best is from Ed where he suggests don't buy anything before a demo in your hands. I might add the word "full" demo. By that I suggest you get a chance to really try the complete kit out, kick the tires do a road test and see if its for you. Will it provide you with everything you want/need/demand it to do. Can you get adequate shifts with the lens, also look at the rise/fall of both the body and lens.

    I don't have a 180 however I've used a P45+, P65 and now a IQ160 on the same camera for many years. I've experienced the 35, 72 and 120 all Schneider's and used them with great success and only recently replaced the 35 with a Rodi 40 T/S and like it a lot.

    Regarding the 120... I've used a Schneider short barrel 120 for many many years and while it can be a PIA to put on (remove the back then insert the spacer and replace the back) it has a huge image circle which is large enough for me to shift almost to the stops and stil get a great file.

    I firmly believe that lens choice in landscape is a very personal thing. As stated above I've been using lenses from 35 to 120 with great success. The lens I decide on is based on the particular location and what I'm seeing/feeling at the time so I have a hard time suggesting a particular focal length to use. If I were beginning with a one lens wonder then I'd suggest 40 to begin with then work your way up towards either 120 or 150. You can of course always go wider however again based on my own person experience/preference I use nothing wider than a 40 (which when used to shift can be much wider).

    Come down to Carmel when Ken, Dave G. and I are there doing a get-together and there shouldn't be a lens left out of the bunch to try.

    Good luck and welcome to the wonderful world of tech cameras....

    Don

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    Senior Member danlindberg's Avatar
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    Re: Help re tech camera lenses please

    If you are matching lenses for a 60mp back, then both the 28XL and 35XL are great options. You just need to know their limitations and shoot accordingly.

    On the Credo 60 both are pinsharp across the frame zeroed. Solid file with 10mm/8mm movement for the 35XL and 8mm/6mm for the 28XL - that's where I draw the line. LCC needed for both. Centrefilter needed for both.

    Both not usable at all with 80mp back so if that is the path then they are not an option. The 35XL are quite common on the second hand market at decent prices but I have read that quite a few have needed to get them calibrated. I know I had to calibrate mine at Schneider, but o my, what a difference! Couldn't be happier with it. Just saying if you find a used one and not happy from square one...

    The SK 72L is a candidate to my 'all-time-favorite-lens'. I find it extraordinary in all respects. Yes, it is true that if I started from scratch I would opt for the new 60XL with its enormous image circle and excellent formula, but my trusty 72 actually beats it in one regard - it is much better should you need it for macro work. In fact, the 72 is a marvel and maybe the best allround lens you could find. Nice and light is a bonus.

    Longer Schneiders are all great and I cannot recall I have read anywhere anybody not liking them. They just do their job!

    For me, I have found that the older I get (I'm not that old but....) I tend to pack lighter and lighter for hiking. Nowadays I am perfectly happy with my SWA, the 28XL (or 35XL) and the 72L and stop there! That did not happen a couple of years ago...thinking all the time that if I didn't have everything I own with me, then I would miss thousands of images! That simply isn't the case. In fact, with a comfortable and ultralight backpack you stay fresh and happier longer and much more alert for compositions all around you.

    There is always the option to start out with one or two lenses in a tech setup to get used to the workflow and grow to have a mindset of looking for framing the two focal lengths you have. Promise there are images everywhere even with fewer lenses

    Good luck
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    Re: Help re tech camera lenses please

    Quote Originally Posted by danlindberg View Post
    A four lens setup: hr23 + hr32 + sk60 + sk120
    Nope - too big a gap between 60 and 120. I'd take the new 90mm over the HR23 any day (but then, I don't need anything that wide myself: 32 is more than enough, especially if stitched, which makes it wider again)

    And, once again, they new 90mm Rodenstock/Alpagon is the single sharpest corner to corner lens I have ever used. Simply in a whole other ball park to the old 90mm, and every other lens of this length.

    my 4 would be: 40 (or 32), 60, 90, 120.

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    Re: Help re tech camera lenses please

    Quote Originally Posted by narikin View Post
    That 'Tech Camera Overview' was a notorious post here, for its compilation by a dealer who does not sell Alpa, and wanted to list things baldly and make what they do sell look good. Created quite a storm, so take it with a big pinch of salesman's salt.

    For example, Alpa cameras like the Max do not really have a front and back, so you can swap them about to switch the rise/fall and shift movements if you prefer to have a longer range horizontally (panorama) or vertically (tall building). Moreover, it should also be stated that on nearly all newer design Digital Tech MF lenses, the limiting factor is usually the image circle, not the camera's abilities, so a larger range of movements is somewhat moot.
    But there is some mechanical vignetting on standard to longer focal lengths,due to narrower lens mounts on Alpa and Cambo, than the mount found on the Arca-Swiss R cameras...
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    Re: Help re tech camera lenses please

    Hi,
    This is really helpful, thanks !

    Is there any major difference between the 60mm XL and the 50mm HR ? I may want to try flat stitching at some point, and I get the impression the 60mm HR is the king of flat stitching...
    Any other major differences (except 10mm in focal length) between the two ?

    For the moment, I am still tending towards 32mm HR, 50 mm HR (or 60mm XL), 90mm HR, and then either a 120mm (Schneider) or perhaps even a 150mm, but perhaps a bit later.
    Is it correct to say that longer lenses (from 120mm upwards ?) are trickier to use on a tech cam than the wider angles (simply due to their physical length) ?

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    Re: Help re tech camera lenses please

    Yes just like normal shooting . The spacer is the same on 120 and 150 but the lens is longer on the 150.

    I can't speak for the 50 HR but the SK 60 is a laser. Loved that lens. Lot if folks bought it after I did. There happy campers. Lol
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    Re: Help re tech camera lenses please

    Quote Originally Posted by GrahamWelland View Post
    I can't speak to the 28HR but I would agree that the 23HR is a fussy lens to work with if only because of it's propensity to centre hot spots in any kind of flare conditions.
    I have tried my a 23HR a couple of times, and to be honest it's just too wide for me. I have the 28mm for my DF kit, and have never really felt a need for much wider. Using the 23HR just confirmed that, and it is a pretty finicky lens. Results are nice, but so far every shot I've taken I've ended up cropping to what I would have had with the 28 or even the 35.

    I guess when I start getting that wide, I feel like I need to stitch to preserve the detail, and stitching with the 40 and 70 rodie really works well.

    I'm going to sell or trade the 23HR so I can try the 28.
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    Re: Help re tech camera lenses please

    I liked using the 23 but if I bought back in I would buy the 28
    Photography is all about experimentation and without it you will never learn art.

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    Re: Help re tech camera lenses please

    Quote Originally Posted by danlindberg View Post
    My list for an 80mp back would be:

    A one lens setup: sk60
    A two lens setup: hr32 + sk60
    A three lens setup: hr32 + sk60 + sk120
    A four lens setup: hr23 + hr32 + sk60 + sk120
    Hi Dan,

    Are you referring to the Schneider PC-TS 5.6/120 mm or Apo-Helvetar 5.6/120 mm?

    Regards,
    Theo

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    Re: Help re tech camera lenses please

    Quote Originally Posted by Jack View Post
    Bill,

    Hard to go wrong with a Rodie 32 or 40 as your wide, a SK 60 or Rodie 70 as your normal, and a SK 120 as your long. There is no really stellar large IC 100/105 yet, but that would be my ideal long landscape lens if there were.
    I was browsing the S/K (Europe) website and came across this - looks like there's a 100/5.6 Aspheric in the offing - note the 120mm image circle at f/11 (the old 100/5.6 'N' had a max. 100mm image circle).
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    Re: Help re tech camera lenses please

    That's very helpful, where exactly did you find this?

    Peter

    Quote Originally Posted by greygrad View Post
    I was browsing the S/K (Europe) website and came across this - looks like there's a 100/5.6 Aspheric in the offing - note the 120mm image circle at f/11 (the old 100/5.6 'N' had a max. 100mm image circle).
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    Re: Help re tech camera lenses please

    Quote Originally Posted by danlindberg View Post
    For me, I have found that the older I get (I'm not that old but....) I tend to pack lighter and lighter for hiking. Nowadays I am perfectly happy with my SWA, the 28XL (or 35XL) and the 72L and stop there! That did not happen a couple of years ago...thinking all the time that if I didn't have everything I own with me, then I would miss thousands of images! That simply isn't the case. In fact, with a comfortable and ultralight backpack you stay fresh and happier longer and much more alert for compositions all around you.
    +1

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  22. #72
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    Re: Help re tech camera lenses please

    I own a Cambo WRS and it seems to work well for me. That said, I've had 4-lenes in the 5-years I've used the WRS. I started with a 28 which at the time was just too wide to do any movements (using a P45+) and sold it. I bought a 35, 72 and 120 the same time I bought the WRS and have used all three successfully with movements. I quickly learned each lens was capable of slightly more movements, starting with the 35 and ending with the 120 which I found could take the largest amount. I used this 3-lens combo until just this year when I switch the 35 for a Rodi 4 with tilt/swing.

    Reading the original question I see Bill is interested in landscape work (which is the majority of what I do) and more interested in tilt than shift. I've been using shift for the past 5-years to achieve some rather good files that depending of the location/lens used looks good 30x40 or 30x60. Just my personal experience.

    Regarding Schneider and Rodenstock. I'm not about to regurgitate the 7o answers found here.

    Here's my take on the 3-ranges asked about.

    45-55 range, normally I wouldn't answer since I don't have personal experience however having the Rodi 40 and since it's close enough I will. Can't say how pleased I am with this lens. I upgraded from the SK 35 with an eye to future back upgrade (either a 180 or 280). I've found lens cast not to be an issue as well as a large enough image circle to suit my needs. While I don't normally need to run an LCC I do so because I'm used to doing it and it doesn't take that much time. I very strongly suggest looking at this lens.

    75-90 range, again I'm just outside of this with a SK 72. This has a great image circle for my needs and just about lives on the camera. I haven't sent it in yet however it will be going in soon to have the tilt/swing lens plate added. I'd have to say that slightly over 50% of my landscape is with this lens.

    150mm range. Again I'm slightly off the mark here having a SK 120 short barrel. The really good news is the image circle is huge with this lens and from what I've heard is similar to the 150. The bad news is that it it a royal PIA to; you have to remove the back and place before using the spacer then reinsert the back. The lens front works like any other and is quick to attach. I'll confess that I've given thought to changing to the 150 however the amount of money to do that and what I can get for the 120 I just can't justify the cost per added focal length. I'd recommend going right out of the box with the 150. After experiencing just how good the short barrel is I'd still recommend it due to the freaking huge image circler over the more user friendly long barrel 120/150.


    Don


    I wrote this then noticed I had already answered one before. What the heck, I'll just leave this here...
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    Re: Help re tech camera lenses please

    Quote Originally Posted by Pemihan View Post
    That's very helpful, where exactly did you find this?

    Peter
    The pdf is available in the download area for the 43 and 60.

    http://www.schneiderkreuznach.com/up...lenses_2_e.pdf

    The 100/asph was pictured and listed alongside the 120/asph in the 'apo digitar' section - but when I went back to look at it again, it had vanished.

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    Re: Help re tech camera lenses please

    This is such a great thread, lets keep it rolling..

    I'm thinking of moving to a IQ260 and in the process also get a Rodie 40 HR and a SK60XL.

    Regarding the SK60XL, I know it has a huge image circle which makes it great for stitching, which is why I'm looking at it.
    But how does it behave regarding showing centerfold lines and the like?

    I do a lot of high contrast B&W where that really is an issue with the 47XL which I have at the moment.

    I assume the Rodie 40 HR being retro focus is of no concern regarding this?

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    Re: Help re tech camera lenses please

    Peter,
    I'm not sure how much the lens has to do with centerfolds. I have an image from a PODAS workshop, that has a centerfold issue if I push it hard a certain way. That was taken on the DF with zoom attached at about 120mm.

    However, I could see the rational for thinking a retro design would help. I certainly don't think it would hurt!

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    Re: Help re tech camera lenses please

    Dave,

    Centerfold issues and the like most often (for me) appear when using lenses from which the light hits the sensor at a steep angel, eg wides like SK35XL and lenses with a very large image circle. That's just my observations...

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    Re: Help re tech camera lenses please

    Latest sighting of the S/K 100mm 'Aspherical' - this time in Cambo's 2013 pricelist. Price would indicate the lens is a new design, but the IC is stated as 100mm, which seems a bit conservative (though the S/K PDF posted above states that it's 100mm at full aperture, 120mm at f/11, so maybe the former is what they're quoting).

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    Re: Help re tech camera lenses please

    There was some confusion about the IC when the 120ASPH first launched, largely because of two typos, including one on Schneider's own website.

    But I can tell you I am 100% positive the stated image circle of a 120ASPH is 150mm* (assuming no mechanical vignette in whatever mount you purchase/use it in).

    I have the mechanical drawing, internal analysis sheet, and confirmation from the Photo Product Manager at Schneider in Germany.

    I'll reach out to Rene Rook at Cambo to find out if their datasheet is a typo or if there is some other explanation.

    *It's actually listed internally as 153mm, but these numbers are traditionally rounded for any public-facing documents, likely because having such a precise number gives the false impression that image circles are exact hard-edged circles. And don't forget Schneider tends to be a big aggressive/liberal in their statement of the image circle - you usually need to subtract 5-10mm (lens/back/use dependent) from what they say if you want to know the maximum sharp+usable area of the image circle. This is unlike Rodenstock who tend to be a bit more conservative in what they state the image circle to be.
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    Re: Help re tech camera lenses please

    Thanks Doug - it would be great to get some hard facts. I assume the 100ASPH exists, but there's really nothing substantial out there to confirm this. The most I've seen are mentions of it in S/K and Cambo literature - it's not mentioned on the B&H, Alpa, Linhof & Studio etc. websites. Regarding IC, the older 'N' version has a 100mm IC, so if there was a new version you'd hope it would have an IC around the 120mm mark.

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    Re: Help re tech camera lenses please

    So what about lens choices in the (much less discussed for tech-cams) range of ~150mm. I really like that focal length, and it would be a good fit after the HR 90mm that I've ordered (it seems it will take a while to get that one). What I have found so far in 150mm:
    - Rodenstock makes an Apo Sironar digital f/5.6
    - Schneider has an APO Digitar N f/5.6

    Are there any "oldies but goodies" as alternative choices ? Although I suspect mounting them on an Arca-tube will not be cheap.
    Any other options ? Opinions ?
    The "canonical" answer seems to be the SK 120mm macro, but that's probably a tad too short, since I'll have a 90mm.
    I also know you need a contraption between the back and the camera for lenses longer than 120mm. Is that an annoyance, or not really ?

    Thanks in advance for your wisdom !

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    Re: Help re tech camera lenses please

    I have the SK 120 Asph in a short barrel T/S Cambo mount. It's a stellar lens!
    Regarding the spacer between the camera and back I don't find it to be an annoyance at all.

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    Re: Help re tech camera lenses please

    I too like the longer focal lengths and have both the 100N and 150 Schneider's. Both are outstanding and are my most used focal lengths. Both have very large IC's and can be easily tilted. My lenses are both short barrel and require a 34mm adapter - I use the tilt adapter.

    Victor

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    Re: Help re tech camera lenses please

    Quote Originally Posted by greygrad View Post
    Thanks Doug - it would be great to get some hard facts. I assume the 100ASPH exists, but there's really nothing substantial out there to confirm this. The most I've seen are mentions of it in S/K and Cambo literature - it's not mentioned on the B&H, Alpa, Linhof & Studio etc. websites. Regarding IC, the older 'N' version has a 100mm IC, so if there was a new version you'd hope it would have an IC around the 120mm mark.
    Again, you have hard facts from me. I am 100% certain about the image circle size of the 120ASPH (150mm*). If you've not been around long enough to know my postings I will just say that I don't state things as facts unless I am very sure of them (I'm very quick to add equivocations or caveats when I'm not sure).

    It is a real lens. I received and tested one for our film scanning solution and found it performed excellently - even better than the very very good 120M.

    I believe production has been very slow and there were some production issues they shut the line down to improve efficiency on. So not surprisingly there have not been that many "real world sightings" of the lens yet. But I have seen the lens - and it is good .

    *technically 153mm
    Doug Peterson , Digital Transitions | Email
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    Re: Help re tech camera lenses please

    Rene Rook at Cambo got back to me. He acknowledged their typo of the image circle in the sales guide (link posted earlier) and said the typo will be corrected soon.
    Doug Peterson , Digital Transitions | Email
    Dealer for: Phase One, Mamiya Leaf, Arca-Swiss, Cambo, Eizo, Profoto
    Office: 877.367.8537. Cell: 740.707.2183

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    Re: Help re tech camera lenses please

    Quote Originally Posted by dougpeterson View Post
    Again, you have hard facts from me. I am 100% certain about the image circle size of the 120ASPH (150mm*). If you've not been around long enough to know my postings I will just say that I don't state things as facts unless I am very sure of them (I'm very quick to add equivocations or caveats when I'm not sure)...
    Doug - I think you misread my post - I've been talking all along about the does-it-doesn't-it-exist 100 ASPH ... not the 120 ... just trying to get some hard facts about the former since it turns up indirectly in S/K and Cambo literature but not on the S/K website.

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    Re: Help re tech camera lenses please

    Ha!

    Yes, I completely misread that.

    I can't say nothin' about the 100 ASPH .
    Doug Peterson , Digital Transitions | Email
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    Re: Help re tech camera lenses please

    Fortunately, programmers are a lazy bunch , and whilst the link to the info has been removed, the info itself is still there:

    Schneider-Kreuznach 100mm f5.6 'Aspherical'

    Oddly, from the MTFs it would appear that contrast/resolution/distortion are inferior to the older 'N' version - kind of like with the 120 'Aspherical' vs the 120 'N'. So, this probably means that the 100 'Aspherical' has a much larger image circle, right? Er, nope - it says the image circle is 100mm - i.e. same as the older 'N' version. Doesn't really make sense - hopefully a typo with the IC dimension - I would expect it to be at least 120mm, maybe even more, to bring it in line with other recent digitar lens releases.

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    Re: Help re tech camera lenses please

    According to this it has a 120mm IC.

    Arca-Swiss Schneider 100mm f/5.6 Apo-Digitar Aspherical 51521000

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    Re: Help re tech camera lenses please

    Good spot - that must have just appeared - seems like the cat is out of the bag, through the front door and off down the street.

    An IC of 120mm makes more sense, but to be honest 100mm is more than enough for my Alpa STC. I was hoping that other performance characteristics would 'enable' me to justify dropping the extra $ on the 'Aspherical' version, but that's not the case - so it looks like I'll be going for the 'N' and saving a few bucks. The B&H listing mentions 'flattening of field curvature' - and whilst field curvature is an issue with wider lenses (notably the 35) I've not read of any such issues with the current crop of longer digitars ?

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    Re: Help re tech camera lenses please

    Interestingly, there is relatively less discussions about longer (150mm-ish) lenses with tech-cams than with wide angles. I wonder why this is ? Here a few hypothesis:
    - The lenses are larger (generally not telephoto) so people prefer to use their (MF-)-DSLRs for shots requiring long focal lengths
    - The Tech-cam "idea" is more adapted to short FLs - I don't really know why, but perhaps people feel this way ? Perhaps as the lenses are longer, they get unwieldy ?
    - The long focal lenses on SLRs are better, and so a tech cam is not necessary and an SLR is easier to use
    - Focusing is tougher, also framing may be more difficult (compared to an SLR) ?

    Any other ideas ?
    I am just a complete newbie to tech cams, but really like the 150mm FL on my Hassi V + IQ 160, so am wondering why people seem to not use this king of FL as much as wider options...

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    Re: Help re tech camera lenses please

    Four main reasons I think:
    - Tech cameras are rangefinder like. Long lenses are inherently more difficult to use on rangefinders than SLRs.
    - Tech cameras are compact by nature, even with "relatively large for a tech camera" lenses they are typically more compact than an SLR with equivalent length lenses. But if you go to especially long lenses you'll need (depending on the system) a special lens board, an extension tube (or other form of box/extension), and they system is no longer as compact.
    - Tech cameras, with their rise/fall/shift/tilt/swing mostly serve the architecture/interior/landscape/street-shooting market where wide angles are more common than longer lenses.
    - The difference in optical quality between a tech camera wide and an SLR wide is huge. See our test of the 28D vs 32HR. But the difference in optical quality between a tech camera long and an SLR long is modest (the SLR may even win sometimes).

    It's not that no one uses long lenses on a tech camera. But it's definitely less common.

    Since digital backs are modular a lot of our tech camera clients also have an SLR body (Phase/Mamiya/Hassy/Contax etc) which they use for faster work or longer lenses, and a tech camera which they use for slower and more wide angle work.
    Doug Peterson , Digital Transitions | Email
    Dealer for: Phase One, Mamiya Leaf, Arca-Swiss, Cambo, Eizo, Profoto
    Office: 877.367.8537. Cell: 740.707.2183
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    Re: Help re tech camera lenses please

    Doug described my feelings pretty well. I have the sk150, and it may be my most-used lens. The other factor is many of us have backs with plenty of pixels, so cropping is a reasonable alternative on the long end. It's just easier for me to visualize a how the cropped telephoto image will turn out vs. a cropped wide angle.

    I would like and use a 210mm, but if I crop a 150mm image to a 210 field of view that is still 41MP. Actually if Alpa would make a "double-short" barrel I might be more interested. I could stack adapters I already have, reducing the packed length of the 210mm.

    Dave
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    Re: Help re tech camera lenses please

    Like Dave I use the sk150 short barrel with my Alpa. It's about as long a lens that I can store vertically like my wider lenses in my F-stop bag without having to allocate a full bag section to it. I considered a longer focal length such as the 210/250 but the physical lens size becomes significant.

    It is convenient to have a reasonable telephoto for landscape work. Even I as a gear slut won't take both the DF camera/long lens and the tech camera out together unless shooting from close by the car.
    Remember: adventure before dementia!

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    Re: Help re tech camera lenses please

    Quote Originally Posted by dougpeterson View Post

    Since digital backs are modular a lot of our tech camera clients also have an SLR body (Phase/Mamiya/Hassy/Contax etc) which they use for faster work or longer lenses, and a tech camera which they use for slower and more wide angle work.
    This is exactly what I do. I use my Rodie 40 on the tech cam, then pack my Phase DF with the 75-150 zoom for good versatility in the longer ranges.

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    Re: Help re tech camera lenses please

    Just out of interest I emailed Alpa about the 100mm 'aspherical' and was told that Schneider have decided not to go ahead with it. A shame.

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    Re: Help re tech camera lenses please

    Hey, I'm back !
    I now have the Factum, plus 3 lenses, all Rodenstock: 32HR, 50HR and 90SW. For the moment, that suits my shooting style quite well, and I don't find the jumps between focal length too large.
    Only (very minor) annoyance is the spacer I have to put between the tech-cam and the digital back for the 90mm. One extra step of handling, but not a big deal.

    I am now considering one extra lens (it never stops !), at the long end. With the experiance of my Hassi-V rig with the IQ160, I would tend towards a 150mm (120mm seems a bit close to 90mm, and if 150mm is too long, I have no problem stitching).
    Question is: is the Arca-swiss spacer for the 90mm the same as the spacer for a 150mm ? Or does each focal length come with it's own spacer ?

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    Re: Help re tech camera lenses please

    Welcome back!
    I wish the Factum was around when I was making my choice; it is a good competitor to the STC. I'm very curious how you get on with it. Great lens choices too.

    The sk 150 may be my favorite lens. Can't help with your spacer question...

    Dave
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    Re: Help re tech camera lenses please

    I am quite happy with the Factum. It's lightweight and compact, "cute", I like that the 0 position in shift (or rise/fall depending on the orientation of the body) has a clear position (it falls into place at zero and stays there, no need to look at the numbers), same thing for tilt. I like the build quality and "feel" of the body (which I took with the extra grip - it adds quite a bit of weight, but is very useful).
    The L bracket is very handy (but a bit heavy in my taste), and allows to quickly change between tilt and Rise/fall.
    I will start experimenting with viewfinder options (a cheap Chinese zooming optical viewfinder, vs an iPhone holder), but need to get hold of a cold shoe adapter.
    Note that the Factum only has the Monoballfix type attachment by default, so you can't directly use the old style Arca-swiss rails and accessories (that go on an Rm3di) without an adapter (and those are not cheap).

    Some nitpicks in general: the Arca-Swiss R-line lens mounts are quite big and heavy (they add to the weight / bulk to a lens) - nothing you can do about it though, the throat in the A/S system is quite large. It takes a bit of practice to attach and remove the lenses (it's quite different from a Canon bayonet, on the A/S you need to carefully screw the lens in).

    All in all, very happy camper at the moment ! :-)

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    Re: Help re tech camera lenses please

    So does anybody know if the Arca-Swiss spacer for the 90mm is the same as the spacer for the 150mm?

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