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Thread: Wides for A7R

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    Wides for A7R

    I did some whiteboard shots with some of my available wide lenses on the A7R. As expected the 28 biogon did poorly in terms of corner vignetting, smearing, and color shift. I didn't even bother with the 21 biogon which I know is the worst in corner performance. Best 28 was the CV f/1.9 Ultron followed closely by the Contax distagon f/2.8 and Canon FD f/2 (not shown here). The 24mm Canon FD f/2 is also a good performer on the A7R.

    All at f/5.6:
    21mm f/1.8 Ultron


    24mm Canon FD f/2


    28mm f/1.9 Ultron


    28mm f/2.8 Contax G Biogon


    35mm f/2 Contax G Planar


    35mm f/2.8 Sony FE Sonnar


    40mm f/2 Minolta Rokkor-M


    Edit: Just received the Rokinon 14mm (E mount) and added another white card shot and quick test snap. Very little CA, vignetting, and color shift. Distortion for sure, but I need to find the profile I used before for this lens with the D800e.

    Rokinon T3.1 14mm


    Sample (f/8)
    Last edited by scho; 5th December 2013 at 10:22. Reason: addition
    Carl
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    Re: Wides for A7R

    Thank you, Carl!

    I will shoot some skies with the M Rokkor 28/2.8 and post it here. It is fabulous for me on the A7R.
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    Re: Wides for A7R

    What's everyone's preference on M Rokkor 40mm vs L Summicron-C 40mm?

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    Re: Wides for A7R

    Quote Originally Posted by Vivek View Post
    Thank you, Carl!

    I will shoot some skies with the M Rokkor 28/2.8 and post it here. It is fabulous for me on the A7R.
    Yes, please do. This lens is a little jewel. Perfect for the A7R. I haven't been out shooting much lately because of the bad weather, but I"ll also take some more shots with the M-Rokkor this weekend.
    Carl
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    Re: Wides for A7R

    Now I want that Rokinon, Walimex, Samyang or whatever...
    Next year eh.... month's may be.

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    Re: Wides for A7R

    Quote Originally Posted by Chris Barrett View Post
    What's everyone's preference on M Rokkor 40mm vs L Summicron-C 40mm?
    Unless you want the "status" which comes from having Leica (in which case the summicron-c isn't considered a real Leica anyway), go with the M-Rokkor 40. The optics and ergonomics are identical--assuming you get the older version of the Rokkor--and the Rokkor takes much friendlier 40.5mm, standard pitch, filters.

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    Re: Wides for A7R

    Quote Originally Posted by frozenbb View Post
    Unless you want the "status" which comes from having Leica (in which case the summicron-c isn't considered a real Leica anyway), go with the M-Rokkor 40. The optics and ergonomics are identical--assuming you get the older version of the Rokkor--and the Rokkor takes much friendlier 40.5mm, standard pitch, filters.
    I just ordered a mint CL version of this lens (by mistake). Everybody seems to be buying the CLE-version, and paying more for it. Have you people tried the CL version? Optically, there shouldn't be much difference besides multi-coating if I understand things correctly.

    Is your sample, scho, from the CL or CLE?

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    Re: Wides for A7R

    Quote Originally Posted by eightfold View Post
    I just ordered a mint CL version of this lens (by mistake). Everybody seems to be buying the CLE-version, and paying more for it. Have you people tried the CL version? Optically, there shouldn't be much difference besides multi-coating if I understand things correctly.

    Is your sample, scho, from the CL or CLE?
    The CL version is fine. It's single coated but otherwise optically the same as the CLE version. These m-rokkor 40s are a great match for the a7/a7r when traveling light.

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    Re: Wides for A7R

    I am assuming mine are CLE based on Steve Gandy's tip on where the serial numbers are located (Leica Minolta* CLE).

    Yes, all 3 lenses have the useful 40.5mm filter threads and are simply superb on the A7R.

    It is difficult for me to decide which one (28 or the 40) should be mounted on the cam and the other in my jacket pocket.

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    Re: Wides for A7R

    Quote Originally Posted by Vivek View Post
    I am assuming mine are CLE based on Steve Gandy's tip on where the serial numbers are located (Leica Minolta* CLE).

    Yes, all 3 lenses have the useful 40.5mm filter threads and are simply superb on the A7R.

    It is difficult for me to decide which one (28 or the 40) should be mounted on the cam and the other in my jacket pocket.
    I think that my copy is also CLE based on the serial number location on the lens barrel. There are currently 3 of these for sale on KEH and another 3 of the summicron versions.
    Carl
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    Re: Wides for A7R

    In addition to the serial number location, the focus tabs of the 40mm versions are also different. The CLE version has a wider fluted tab, which can be seen here:

    http://farm6.static.flickr.com/5259/...846740e7_b.jpg

    While the CL version has the smaller circular tab seen here (which it shares with the summicron-c):

    http://static.photo.net/attachments/...L-14342584.jpg

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    Re: Wides for A7R

    I'll post some samples over the weekend of the Elmarit-M 24mm

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    Re: Wides for A7R

    For many here it would be very much appreciated if posters would mention the camera a7 or a7r (it seems some lenses are better for one model over the other), adapter used, if any,(they perform differently) and specifics about the shot like f stop, etc. Thanks.
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    A7R + Voigtlander 21/1.8

    Here's a couple of quick test shots from my recently acquired CV 21/1.8. Both shot at f8 on the A7R in raw and processed (very quickly) in LR5.

    https://dl.dropboxusercontent.com/u/...1-ultron-2.jpg

    https://dl.dropboxusercontent.com/u/...21ultron-1.jpg
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    Re: Wides for A7R

    Thanks for this. It looks quiet acceptable.
    The second picture shows better the colourcast along the, mostly vertical, sides. Must be correctable in PP.

    This was the first RF wideangle which came to my mind for the A7r.

    What do you think so far? I would like to see a picture from a facade @ about 8 meters or so.
    Only if you feel like it, of course.

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    Re: Wides for A7R

    Quote Originally Posted by Michiel Schierbeek View Post
    Thanks for this. It looks quiet acceptable.
    The second picture shows better the colourcast along the, mostly vertical, sides. Must be correctable in PP.

    This was the first RF wideangle which came to my mind for the A7r.

    What do you think so far? I would like to see a picture from a facade @ about 8 meters or so.
    Only if you feel like it, of course.
    The color shift is an easy fix in LR using the flat field plugin and a white target shot like the one I posted above. This is my favorite wide angle lens on the M9 and it is looking quite good now on the A7R as well.
    Carl
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    A7R + Voigtlander 21/1.8

    Quote Originally Posted by Michiel Schierbeek View Post
    Thanks for this. It looks quiet acceptable.
    The second picture shows better the colourcast along the, mostly vertical, sides. Must be correctable in PP.

    This was the first RF wideangle which came to my mind for the A7r.

    What do you think so far? I would like to see a picture from a facade @ about 8 meters or so.
    Only if you feel like it, of course.
    I'm pretty impressed, so far. This lens has negligible distortion and is already quite sharp across the frame from around f4. There's a little colour shift, but unlike distortion and smearing, this is easily corrected. The size and weight feels about right to me at just over 800g for the combo.

    Here's a facade from around 8m (same parameters as before):

    https://dl.dropboxusercontent.com/u/...1-ultron-5.jpg

    I took this shot to assess sharpness/detail when focussed at infinity:

    https://dl.dropboxusercontent.com/u/...1-ultron-4.jpg
    Last edited by lambert; 6th December 2013 at 19:20. Reason: typo
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    Re: Wides for A7R

    Thanks Carl!

    Lambert; great set of photo's to see the capabilitys of that lens. It really looks good and the perfect lens for a lot of what I do. Better investment for me then a 14mm (to wide).

    I shot with it once on my GXR at the Photokina when it was released and was impressed as well. Especially the fact it had almost no distortion.

    Thank you for the effort!

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    Re: A7R + Voigtlander 21/1.8

    Quote Originally Posted by lambert View Post
    I'm pretty impressed, so far. This lens has negligible distortion and is already quite sharp across the frame from around f4.
    …snip...
    I took this shot to assess sharpness/detail when focussed at infinity:

    https://dl.dropboxusercontent.com/u/...1-ultron-4.jpg
    Many thanks for posting the Ultron samples! I noticed blue, purple and grey haloes around the foliage and the branches in the top right corner of the last image. Are these JPEG compression artifacts, or do you see this in RAW, too?

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    Re: Wides for A7R

    Thanks for the photos! Think the Ultron 21/1.8 would do similarly on the A7?
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    Re: A7R + Voigtlander 21/1.8

    Quote Originally Posted by Ron Pfister View Post
    Many thanks for posting the Ultron samples! I noticed blue, purple and grey haloes around the foliage and the branches in the top right corner of the last image. Are these JPEG compression artifacts, or do you see this in RAW, too?
    I just double checked the RAW file and they are also present. I set defringe to 0 in LR5 and the halos disappeared.

    https://dl.dropboxusercontent.com/u/...1-ultron-6.jpg
    Last edited by lambert; 6th December 2013 at 19:20. Reason: added link to revised image
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    Re: Wides for A7R

    Quote Originally Posted by Armanius View Post
    Thanks for the photos! Think the Ultron 21/1.8 would do similarly on the A7?
    Based on what others have posted, I expect it will perform much the same in terms of sharpness across the frame, but there may be less colour shift in the outer zones.

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    Re: Wides for A7R

    Wate on A7R seems to look great! http://www.getdpi.com/forum/553377-post57.html
    With best regards, K-H.
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    A7R + Voigtlander 21/1.8

    Quote Originally Posted by Michiel Schierbeek View Post
    Thanks Carl!

    Lambert; great set of photo's to see the capabilitys of that lens. It really looks good and the perfect lens for a lot of what I do. Better investment for me then a 14mm (to wide).

    I shot with it once on my GXR at the Photokina when it was released and was impressed as well. Especially the fact it had almost no distortion.

    Thank you for the effort!
    Michiel, here's another building facade with some intricate detail. This image was cropped/corrected for distortion prior to export (same parameters - f8, raw, LR5)

    https://dl.dropboxusercontent.com/u/...1-ultron-7.jpg
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    Re: A7R + Voigtlander 21/1.8

    Quote Originally Posted by lambert View Post
    Michiel, here's another building facade with some intricate detail. This image was cropped/corrected for distortion prior to export (same parameters - f8, raw, LR5)

    https://dl.dropboxusercontent.com/u/...1-ultron-7.jpg
    Looking really good. Which adapter are you using?

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    Re: A7R + Voigtlander 21/1.8

    Quote Originally Posted by retow View Post
    Looking really good. Which adapter are you using?
    I'm using a Novoflex.

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    Re: A7R + Voigtlander 21/1.8

    Quote Originally Posted by lambert View Post
    Michiel, here's another building facade with some intricate detail. This image was cropped/corrected for distortion prior to export (same parameters - f8, raw, LR5)

    https://dl.dropboxusercontent.com/u/...1-ultron-7.jpg
    Increadable detail, just like a Sigma DPm2. Lovely facade and old and new combination!

    Did you use vertical adjustment as well or did you have a higher viewpoint?

    Thank you!
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    Re: Wides for A7R

    Here is a shot with my CV21mm f/1.8 Ultron, mounted to A7R with Metabones M-E adapter, f/6.3 autoISO, before/after correction with LR flat field plugin using the whitecard ahot above. Note color shift/vignetting assymetry in my lens/adapter and in the LL image the off color halos that were pointed out earlier.

    These are LR screen grabs. Flatfield image left, original right.

    Full image


    Center 100%


    Lower Left Corner
    Carl
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    Re: A7R + Voigtlander 21/1.8

    Quote Originally Posted by Michiel Schierbeek View Post
    Increadable detail, just like a Sigma DPm2. Lovely facade and old and new combination!

    Did you use vertical adjustment as well or did you have a higher viewpoint?

    Thank you!
    The camera had to be tilted back for that scene. I simply applied LR5's perspective distortion correction function in auto mode.

    I owned both the DP1M and DP2M. If you down-res the A7R files to 14mp, it easily rivals the Sigma's for detail.

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    Re: A7R + Voigtlander 21/1.8

    Quote Originally Posted by lambert View Post
    The camera had to be tilted back for that scene. I simply applied LR5's perspective distortion correction function in auto mode.

    I owned both the DP1M and DP2M. If you down-res the A7R files to 14mp, it easily rivals the Sigma's for detail.
    When you used distortion correction in auto mode did you have a default custom lens profile specified for the CV Ultron?
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    Re: A7R + Voigtlander 21/1.8

    Quote Originally Posted by scho View Post
    When you used distortion correction in auto mode did you have a default custom lens profile specified for the CV Ultron?
    No. I only applied correction to fix perspective distortion (buildings were leaning back). The Voigtlander 21/1.8 has no visible distortion.

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    Re: Wides for A7R

    Quote Originally Posted by scho View Post
    Here is a shot with my CV21mm f/1.8 Ultron, mounted to A7R with Metabones M-E adapter, f/6.3 autoISO, before/after correction with LR flat field plugin using the whitecard ahot above. Note color shift/vignetting assymetry in my lens/adapter and in the LL image the off color halos that were pointed out earlier.

    These are LR screen grabs. Flatfield image left, original right.

    Lower Left Corner
    The color halos in your last image may be a LR issue. Try setting defringe to 0.

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    Re: Wides for A7R

    Quote Originally Posted by lambert View Post
    The color halos in your last image may be a LR issue. Try setting defringe to 0.
    Yes, that does work, but the flat field correction also took care of the halo problem in addition to fixing the corner color shift/vignetting.
    Carl
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    Re: Wides for A7R

    These are quick snaps, resized from the original.

    M Rokkor 28/2.8 on A7R

    f/2.8


    Untitled by Vivek Iyer, on Flickr

    f/8


    Untitled by Vivek Iyer, on Flickr

    f/16 (dirt on the sensor is visible now- an indication of going into diffraction territory, interestingly, it isn't visible at f/8)


    Untitled by Vivek Iyer, on Flickr

    The fast moving clouds had a bit of color that are seen in the frames. Corners (bricks)are very clear and sharp by f/5.6.
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    Re: Wides for A7R

    Thanks Vivek. So stopping down a little and a flat field correction should make this lens useable in your opinion?
    With best regards, K-H.

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    Re: Wides for A7R

    The Summicron-C 40/2 and M-Rokkor 40/2 gen 1 were identical design other than the lens bezel and filter mount, with the Summicron built in Wetzlar and the M-Rokkor built in Japan. The M-Rokkor 40/2 gen 2 added multicoating and seems a slightly smaller, lighter lens assembly, also built in Japan. Having had all three, I kept the generation 2 M-Rokkor 40mm f/2 as I found it produced the nicest results (by a hairsbreadth) and the least flare, and the 40.5 mm filter mount matches the M-Rokkor 90mm f/4.

    (The latter lens {at least the first production runs until the CL was discontinued and Minolta released the CLE} were actually identical to the Elmar-C 90mm f/4 and produced on the same production line in Wetzlar, differing only in the bezel markings and filter mount. You know if you have the Leica manufactured one as it will say "Made in Germany" on the bottom of the lens barrel by the serial number. )

    They comprise my primary lens kit for the CL; both work very nicely on the M9 as well. No surprise that they would work well on the A7r too.

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    Godfrey - GDGPhoto Flickr Stream
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    Re: Wides for A7R

    Quote Originally Posted by k-hawinkler View Post
    Thanks Vivek. So stopping down a little and a flat field correction should make this lens useable in your opinion?
    K-H, I am sorry. I was about to pull these snaps out but decided to leave them in. These were with the Hawk Peng adapter (either gen. 1 or 2). I will try (blue skies permitting) similar snaps to morrow with a cheap adapter that has a bigger opening than the Hawk adapter. My feeling is that one does not need FF plugin and such when a proper adapter is used.
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    Re: Wides for A7R

    Quote Originally Posted by Vivek View Post
    K-H, I am sorry. I was about to pull these snaps out but decided to leave them in. These were with the Hawk Peng adapter (either gen. 1 or 2). I will try (blue skies permitting) similar snaps to morrow with a cheap adapter that has a bigger opening than the Hawk adapter. My feeling is that one does not need FF plugin and such when a proper adapter is used.
    Thanks Vivek. I think you are right.
    With best regards, K-H.

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    Re: Wides for A7R

    Quote Originally Posted by eightfold View Post
    I just ordered a mint CL version of this lens (by mistake). Everybody seems to be buying the CLE-version, and paying more for it. Have you people tried the CL version? Optically, there shouldn't be much difference besides multi-coating if I understand things correctly.

    Is your sample, scho, from the CL or CLE?
    Summicron-C 40mm works great on my A7r. Here's a quick shot at f2.2, focussed on the infinity stop of a cheap $10 Hong Kong adapter.
    ==Doug
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    Re: Wides for A7R

    Doug,

    Gorgeous image, love the colors. Thanks.
    With best regards, K-H.

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    Re: Wides for A7R

    +1 What a sunset!

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    Re: Wides for A7R

    My results with various lenses are as follows (A7R, Kipon adaptor), looking at smearing and not colour.

    21 Biogon: Unacceptable even at f11 in the corners. Just not crisp enough. Close but....

    24 Summilux: f5.6 is bloody good and f8 perfect. F11 is no better and losing resolution due to diffraction. I'd have no hesitation using this lens for critical work, printed big, on the A7R. Only distortion is the issue!

    35 Summarit-M: Pretty good by f11 and this aperture stands up to critical inspection of the corners, though perhaps not quite as crisp as the 24 lux gets. I would not be happy using it for landscapes at less than F11, were they to be printed large.

    35 CV 1.2 II: Well, what a lens. Great by f5.6, even in the corners. Really. At f8 its absolutely immaculate and I'd have no hesitation using it for huge prints. Some might not believe me, but this is by far the best value M mount lens I own. Performance is absolutely spectacular on the Monochrom from wide open right to the edges. By f2.8 it is close to perfect corner to corner. I very much doubt the 35 Lux FLE can match this and it costs about $4K more.... oh and bokeh is sublime.

    50 Planar ZM: Superb. For landscapes, I'd say its effectively perfect at 5.6, although F8 does bring a small improvement in the margins/corners. F 5.6 is sharper centrally though. Who needs a 50 APO Summicron?

    So, out of these lenses, I have a 24, 35 and 50 I would be happy using for critical landscape work; however, I plan on selling the 24 lux and will do so as soon as Sony has released a good sharp 24mm lens (even if is the zoom). Need to do this to pay for the A7R and the A7 I am sure to buy!

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    Re: Wides for A7R

    Regarding 24mm, you may wish to consider the Sony 24mm f/2.0 Carl Zeiss lens SAL24F20Z with LAEA3 (or the more expensive SLT adapter LAEA4) until there is a more compact FE version. Autofocus works with both adapters, since it has SSM.

  44. #44
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    Re: Wides for A7R

    I can affirm that the 24 Elmar-M is acceptable on actual pictures with the A7.
    Sony Visible Light & IR Photographer
    http://www.iiinelsonimages.com

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    Re: Wides for A7R

    Quote Originally Posted by turtle View Post
    My results with various lenses are as follows (A7R, Kipon adaptor), looking at smearing and not colour.



    35 CV 1.2 II: Well, what a lens. Great by f5.6, even in the corners. Really. At f8 its absolutely immaculate and I'd have no hesitation using it for huge prints. Some might not believe me, but this is by far the best value M mount lens I own. Performance is absolutely spectacular on the Monochrom from wide open right to the edges. By f2.8 it is close to perfect corner to corner. I very much doubt the 35 Lux FLE can match this and it costs about $4K more.... oh and bokeh is sublime.


    Amen to that. It is spectacular on my M9 and spectacular on my A7r.



    Fred

    www.fredmuellerphotography.com

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