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Thread: Fun with images taken with the Pentax K1

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    Re: Fun with images taken with the Pentax K1

    Quote Originally Posted by tsjanik View Post
    Michiel:

    I'm really enjoying your French town series.
    Have you compared a PS K-1 image to one from a 645Z, if so, I am very interested in your observations.

    Best,

    Tom
    Thanks Tom,

    Recently I started to use the Z again and I must say it still trumps the K-1. The images just look and feel more quiet and spacious to me.
    Sounds like a lot of bull and not very scientific but that is how I see it. And I could see it suddenly very well after only using the K-1 for month's.
    Pixelshift is insane sharp and clear and equals the Z files in sharpness.
    I haven't been using pixelshift so much lately because I don't want to lug around a tripod all the time for optimal performance.
    It is about time to do some serious PS images again.
    I really like the K-1. It is rather small for a dslr and very well build. Just love it. Really nice to stroll around the streets as I like to do.
    The Sony A7r body felt more like a toy, although a very capable one.
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    Re: Fun with images taken with the Pentax K1

    Michiel,

    I agree with you regarding the superiority of the Z.

    I just started taking some early autumn images with the Z on a tripod and maybe because I am an old view camera guy - I just prefer working with this behemoth of a camera and the 35mm, 45-85mm and 120mm macro lenses.

    It may not be as good as a tricked-out PhaseOne or Hasselblad, but it is good enough for my work.

    I am looking forward to using the Z in Vermont this month.

    Enjoy the Z and the K1,
    Mike
    Quote Originally Posted by Michiel Schierbeek View Post
    Thanks Tom,

    Recently I started to use the Z again and I must say it still trumps the K-1. The images just look and feel more quiet and spacious to me.
    Sounds like a lot of bull and not very scientific but that is how I see it. And I could see it suddenly very well after only using the K-1 for month's.
    Pixelshift is insane sharp and clear and equals the Z files in sharpness.
    I haven't been using pixelshift so much lately because I don't want to lug around a tripod all the time for optimal performance.
    It is about time to do some serious PS images again.
    I really like the K-1. It is rather small for a dslr and very well build. Just love it. Really nice to stroll around the streets as I like to do.
    The Sony A7r body felt more like a toy, although a very capable one.
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    Re: Fun with images taken with the Pentax K1

    Tonight at the fair in our village with the sons from our friends.
    With the FA 77, not so easy to focus with this light.

    ISO 1600



    ISO 6400

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    Re: Fun with images taken with the Pentax K1

    Combo shot using Pixel shift for everything but the water due to known issues with movement and LR. The single cloud that crossed over the sun, just made the shot for me.
    K1, 15-30 no filters (just did not have them this day) and ISO 100.

    Paul C


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    Re: Fun with images taken with the Pentax K1

    Astrotracer, for Milkyway, actually entire shot as for some reason most of the bridge stayed in very good focus. 46 seconds exposure, 15-30 Lens ISO 500.

    Would have preferred to be off more to the left, but water was over my waist so, took what I could get. As I had to frame the shot where the Milky Way was off center, it's not tack sharp, but still I like it. Perspective is of course off, but looking up tends to do that.

    Paul C


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    Re: Fun with images taken with the Pentax K1

    Monaco yacht club - before the rush



    The railing on the right of shot leans in by design

    Interesting to hear comments about the 645Z. All I can say is that in my opinion, the K1 is as good as a Hasselblad H5D 50mp, if used with good lenses and with the same care as the Hasselblad - better if moire is a concern. Of course it is all very subjective.
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    Re: Fun with images taken with the Pentax K1

    The more I look at this thread the more I want to test one, thank you for posting and sharing...I know Michiel Schierbeek, Paul Caldwell and Quentin Bargate all shoot with multiple platform cameras and MF & MF MS, so there must be lots more than screen viewing... quite a few manual lenses coming out soon in K mount, even better. Quentin really like your studio shots with constant studio lighting... congratulations gentlemen, and this is a thread to always take a good look... I'm going to test drive one... thank you kindly, Takomaru
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    Re: Fun with images taken with the Pentax K1

    Very nice Quentin, and I guess its the 15-30. I wish Pentax would produce a 20 FA and/or a 18 though. But the 15-30 could serve as a practical lense for narrow places and need for total pictures of buildings, but its rather bulky...and expensive.
    Thorkil
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    Re: Fun with images taken with the Pentax K1

    Quote Originally Posted by Thorkil View Post
    Very nice Quentin, and I guess its the 15-30. I wish Pentax would produce a 20 FA and/or a 18 though. But the 15-30 could serve as a practical lense for narrow places and need for total pictures of buildings, but its rather bulky...and expensive.
    Thorkil
    But there is a FA 20/2.8 and it is very good and very small, but they are expensive and hard to find.

    Torino, Lingotto.
    FA 20/2.8

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    Re: Fun with images taken with the Pentax K1

    Quote Originally Posted by nikonf View Post
    Michiel,

    I agree with you regarding the superiority of the Z.

    I just started taking some early autumn images with the Z on a tripod and maybe because I am an old view camera guy - I just prefer working with this behemoth of a camera and the 35mm, 45-85mm and 120mm macro lenses.

    It may not be as good as a tricked-out PhaseOne or Hasselblad, but it is good enough for my work.

    I am looking forward to using the Z in Vermont this month.

    Enjoy the Z and the K1,
    Mike
    Behemoth camera ? So soon? Funny how soon something turns into a prehistoric myths. Well it was a bit big right from the start but it still has the same sensor as all those new slim kids on the block, so I am no in a hurry as long as my muscles can coop

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    Re: Fun with images taken with the Pentax K1

    Quote Originally Posted by Paul2660 View Post
    Combo shot using Pixel shift for everything but the water due to known issues with movement and LR. The single cloud that crossed over the sun, just made the shot for me.
    K1, 15-30 no filters (just did not have them this day) and ISO 100.

    Paul C

    Hi Paul:

    I'm curious about the processing here. How did you use PS for everything but the water? I have wondered if it was possible to apply a single exposure layer over a PS file and use masks, or there a better way?

    Thanks,

    Tom

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    Re: Fun with images taken with the Pentax K1

    Quote Originally Posted by Thorkil View Post
    Very nice Quentin, and I guess its the 15-30. I wish Pentax would produce a 20 FA and/or a 18 though. But the 15-30 could serve as a practical lense for narrow places and need for total pictures of buildings, but its rather bulky...and expensive.
    Thorkil
    Thanks, Thorkil. Actually it was the 24-70mm F/2.8 Pentax @ 24mm, hand held.
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    Re: Fun with images taken with the Pentax K1

    Quote Originally Posted by Michiel Schierbeek View Post
    But there is a FA 20/2.8 and it is very good and very small, but they are expensive and hard to find.

    Torino, Lingotto.
    FA 20/2.8

    Yes Michiel, very nice look indeed, and vibrant! But thats the point, I just can't rely on waiting for you to get tired of your example, Michiel
    Did you pixelshift this picture?
    But you guys using Lightroom got sharpening programs by the hand, C1 can't hit the same level I think..
    thorkil

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    Re: Fun with images taken with the Pentax K1

    Quote Originally Posted by Quentin_Bargate View Post
    Thanks, Thorkil. Actually it was the 24-70mm F/2.8 Pentax @ 24mm, hand held.
    surprise, surprice! I was 99% certain on the 15-30! Hmm, some more thoughts...
    One thing my restless nature could take advantage of, is certainly the bodystabilization, perhaps worth of 3 stops or more
    thorkil

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    Re: Fun with images taken with the Pentax K1

    Quote Originally Posted by tsjanik View Post
    Hi Paul:

    I'm curious about the processing here. How did you use PS for everything but the water? I have wondered if it was possible to apply a single exposure layer over a PS file and use masks, or there a better way?

    Thanks,

    Tom
    Hi Tom

    With Pixel shift files, here is what I have found in regards to quality.

    Silkypix Developer studio pro very good, but very limited in tools, but has the best conversion.
    Pentax included software, does a good job on the conversion but has a terrible interface, like win3.1 or something, and no tools
    LR, the most limited conversion with motion, but the best tool set by far.
    C1 so far has chosen not to support the pixel shift files, for what reason not sure.

    I still prefer LR, mainly for the colors, and tool set. On this shot, I took several pixel shifts, there was little or no wind movement. Then I took a couple non-pixel shift just for the water. In LR, I worked up both Pixel shift and non, then exported them to CC. There I just layered the non pixel shift over the other, and then painted the water over. I have also found that LR can at time have problems with clouds if they are moving fast. This cloud did not have any issues.

    Also, in the camera, you can set pixel shift for motion correction or non motion correction. In the Pentax software you can select for either in the raw conversion. It seems that LR prefers images shot with no MS, or MS off. Still can't handle the water movement, but seems to work better with wind.

    Wind is by far the single biggest issue with Pixel shift, and all the software tools have problems. So if I see much movement, I will always work a scene both ways, knowing that parts of the file in Pixel shift mode will just have a lot more potential. The images are so much better than anything else I have seen from 35mm DSLR's that I almost always try to use it.

    I have also started working with just the base Pentax code, to get the basic tiff conversion made, then importing that image to LR, where I can do more work.

    Frustration is that Pentax could have done so much more with this, at least with Adobe. I doubt anything else will ever be done.

    Paul C

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    Re: Fun with images taken with the Pentax K1

    Thanks for the detailed reply Paul. I note you took non-PS shots to use for the water; is it possible to use one of the frames from the PS series as the non-PS layer?

    Tom

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    Re: Fun with images taken with the Pentax K1

    Quote Originally Posted by Quentin_Bargate View Post
    Monaco yacht club - before the rush
    Quentin...

    Your 1% is showing.

    You're probably the only poster here who could get anywhere close to the Monaco yacht club.

    - Leigh

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    Re: Fun with images taken with the Pentax K1

    Mers-les-Bains
    FA 31

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    Re: Fun with images taken with the Pentax K1

    Quote Originally Posted by tsjanik View Post
    Thanks for the detailed reply Paul. I note you took non-PS shots to use for the water; is it possible to use one of the frames from the PS series as the non-PS layer?

    Tom
    Hi Tom,

    Lost me on this question. With PS (pixel shift), if I have movement possible, I will always take one frame non PS. So later on in photoshop, I can merge the two images, PS and non-PS, then just paint back the parts of the file that had PS movement aliasing issues. With water this is very easy since it's almost always the entire part of the file where water is concerned (and PS doesn't really add much here with a slower exposure for water). Trees branches are a bit more time consuming since you may have just one group of branches that were moving during the PS capture, but you have to examine the entire image just to make sure.

    Paul C

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    Re: Fun with images taken with the Pentax K1

    Quote Originally Posted by Leigh View Post
    Quentin...

    Your 1% is showing.

    You're probably the only poster here who could get anywhere close to the Monaco yacht club.

    - Leigh
    It's all work.

    And I use a Pentax K1 from choice. That should tell you something....
    Quentin Bargate
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    Re: Fun with images taken with the Pentax K1

    Quote Originally Posted by Paul2660 View Post
    Hi Tom,

    Lost me on this question. With PS (pixel shift), if I have movement possible, I will always take one frame non PS. So later on in photoshop, I can merge the two images, PS and non-PS, then just paint back the parts of the file that had PS movement aliasing issues. With water this is very easy since it's almost always the entire part of the file where water is concerned (and PS doesn't really add much here with a slower exposure for water). Trees branches are a bit more time consuming since you may have just one group of branches that were moving during the PS capture, but you have to examine the entire image just to make sure.

    Paul C
    Hi Paul:

    I'm not familiar with the PS files and software at all. I was making the assumption that in PS mode, four separate files are created (and accessible individually) that are then processed together into a PS file by the software. If this is the case, any of the individual PS files could be used as a layer to hide movement problems.

    Thanks,

    Tom

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    Re: Fun with images taken with the Pentax K1

    I also like my K1 and find it excellent in IQ. With pixel shift it's not at all far from my Leica S in sharpness, contrast & tonal transitions.
    But I'm disappointed that there was no new lens / clear info about new lens launched during the last Photokina.

    I like my 100mm limited (from F4). I did like the 31mm limited (that was not recommended to me but still appeared to be a very good lens) for its very nice rendering. But it could be sharper and better in AF, and isn't cheap, so I've sent it back.
    The Sigma Art 35mm I purchased was de-centered, sent back too.
    I'll probably buy the 31mm again, maybe not on par with a (good sample) 35mm sigma but I find the rendering & physical spec. strong + points.

    The 24-70mm f2,8 received mixed reviews (corner sharpness, bokeh) and the 15-30mm is far too wide for me. It's been years I haven't used zoom lenses so I expect an IQ disappointment with them, even if they're not bad in their category.

    I'm planning to by a Tamron 28-75 to get a cheap, no high expectations, flexible option.
    The Zeiss 21mm is also on my wishlist, should be very nice on the K1.

    But I would really appreciate to see Ricoh putting (for instance) a revamped limited 31/77/100 serie along with some nice 50 & 85mm on the market.

    Are you guys really happy with your set of lenses ? which ones would you recommend ?
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    Re: Fun with images taken with the Pentax K1

    Quote Originally Posted by tsjanik View Post
    Hi Paul:

    I'm not familiar with the PS files and software at all. I was making the assumption that in PS mode, four separate files are created (and accessible individually) that are then processed together into a PS file by the software. If this is the case, any of the individual PS files could be used as a layer to hide movement problems.

    Thanks,

    Tom
    Hi Tom,

    Sorry, I missed your point. Yes the PS takes 4 images, but they are combined into a single raw file in camera as far as I know. Now I have been told by some experts who I sent some PS files to, that all LR is doing is just laying the 4 files on top of each other, with very little else, which is not the best possible solution. This was apparent in raw digger software, (something I am personally not familiar with). So in Rawdigger, you might be able to pull out a single of the 4 shots.

    All the raw converters, Silkypix, Pentax (Silkypix subset) Iridient, and LR, in their processing of the PS files, combine all four shots together during the raw conversion.

    So for my workflow, I just take a couple of non PS images, just to cover all the bases in case I have excessive movement issues.

    Paul C

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    Re: Fun with images taken with the Pentax K1

    Quote Originally Posted by anGy View Post
    I also like my K1 and find it excellent in IQ. With pixel shift it's not at all far from my Leica S in sharpness, contrast & tonal transitions.
    But I'm disappointed that there was no new lens / clear info about new lens launched during the last Photokina.

    I like my 100mm limited (from F4). I did like the 31mm limited (that was not recommended to me but still appeared to be a very good lens) for its very nice rendering. But it could be sharper and better in AF, and isn't cheap, so I've sent it back.
    The Sigma Art 35mm I purchased was de-centered, sent back too.
    I'll probably buy the 31mm again, maybe not on par with a (good sample) 35mm sigma but I find the rendering & physical spec. strong + points.

    The 24-70mm f2,8 received mixed reviews (corner sharpness, bokeh) and the 15-30mm is far too wide for me. It's been years I haven't used zoom lenses so I expect an IQ disappointment with them, even if they're not bad in their category.

    I'm planning to by a Tamron 28-75 to get a cheap, no high expectations, flexible option.
    The Zeiss 21mm is also on my wishlist, should be very nice on the K1.

    But I would really appreciate to see Ricoh putting (for instance) a revamped limited 31/77/100 serie along with some nice 50 & 85mm on the market.

    Are you guys really happy with your set of lenses ? which ones would you recommend ?
    Hi,

    For my work, the 15-30 is my number one lens. Very good from 15-24mm, but gets a bit de centered from 24mm out. Most times I can correct with aperture, but I have been caught a few times.

    35mm Sigma Art, excellent lens. I understand your point of a de-centered lens, as I had similar issues with Nikon Art glass, but the 35mm I received is very good.

    55mm 1.4 It's a DA lens, but don't let that fool you, has plenty of image circle for full frame, and very good lens. Has a very nice Bokeh wide open also.

    24-70 I more than likely will sell this lens, just not that pleased with mine. Great from 24mm to 50mm, but has some issues from 50 to 70mm

    70-200, as they like to say" it just doesn't get any better than this". What lens, I carry this every where I go with the K1. Just an amazing optic, as good as the Nikon 200-500 is. Just can't find any issues with this lens at all. Just wish Pentax made a 1.4 converter that worked on full frame that wasn't 600.00

    77mm 1.8. Run don't walk to get this one. Really an amazing little lens. Fits in your pocket, old film style lens, thus hard stops at Infinity but is one sharp lens. For the size and weight, it's always with me when the K1 is in use.

    100mm 2.8. Another great lens, very very slow to focus, but sharp. Great for macro, or just the 100mm focal length. Odd looking and strange especially for a 2.8 lens, but it works.

    14mm Samyang. Last by not least. Hard to beat this lens period. What a performer. No coma wide open, very sharp across the frame, but of course a pain to focus due to the massive amount of turning it takes. But cheap, and really I can't think of any Nikon or Canon 14mm that can come close to this lens. You will find the Rokinon version easier to find for the K1, all the same inside.

    Paul C

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    Re: Fun with images taken with the Pentax K1

    One from last weekend. Had no choice but to shoot with the M Way towards the top of the shot, thus trails occurred due to retro-focus lens and Astrotracer issues. It's interesting to note that it's possible that iOptron traced shots may not have this same problem as I have seen several from MF and the 28mm F 4.5 lens (17mm 35mm equivalent) which seem to handle the edges better. This is actually a combination of several files, Astrotracer for the sky, then a series of long exposures, non traced for the Bluff illuminated with a single lantern.

    Paul C


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    Re: Fun with images taken with the Pentax K1

    A shot of our refurbished kitchen taken on a tripod with the K1, pixel shift, 15-30mm Pentax F/2.8 at about F/11 and 16mm, and some tone mapping in post.

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    Re: Fun with images taken with the Pentax K1

    Le Treport
    FA 77

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    Re: Fun with images taken with the Pentax K1

    Le Treport
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    Re: Fun with images taken with the Pentax K1

    as there are not so many (enough) cats photos: The Mud
    Pentax K1 + SMC 50mm [email protected]
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    Re: Fun with images taken with the Pentax K1

    K1 + Pentax 28mm f/3.5 Shift @f/11 +3 shift


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    Re: Fun with images taken with the Pentax K1

    K1 + Tamron Adaptall 300mm 2.8 @ 2.8 with monopod.
    f/5,6; 1/15s ISO 100

    "Make that sound louder"
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    Re: Fun with images taken with the Pentax K1

    Zeeland
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    Re: Fun with images taken with the Pentax K1

    Rakowice Cemetery. K1 ,FA31, F50 1.4, FA77 and Tamron Adaptall 500mm f/8.









    Few more shotshttp://www.krochmal.eu/Architecture/Rakowicki-Cemetery/
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    Re: Fun with images taken with the Pentax K1

    Le Treport
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  35. #335
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    Re: Fun with images taken with the Pentax K1

    I have been looking for something low profile for my K1.
    After reading internet I choose small zoom Pentax F 35-70 f/3.5-4.5
    Bought one for 56$.
    First test show that pentax had clever idea. This lens is size of F 50 f/1.4
    So it work as 3 lens in one: 35mm f/3.5 50mm f/4 70mm f/4.5

    Post in Capture One







    Lens min. distance is 70cm. But it have "macro option"


    Are there better lenses? yes but is so small and cheap.
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  36. #336
    Senior Member Quentin_Bargate's Avatar
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    Re: Fun with images taken with the Pentax K1

    Golitha. Cornwall. K1, Sigma 35mm F/1.4 @ F/10, 1/6 sec.



    Also known as the place my iPad decided to take a swim. It drowned
    Quentin Bargate
    Co-Founder of Ajuve, Director of Bargate Murray, Law Firm of the Year 2012 - 2016, Photographer
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  37. #337
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    Re: Fun with images taken with the Pentax K1

    Golitha, mono, K1, Pentax 15-30mm F/2.8 @ F/18, 1 sec, pixel shift, Silkypix and Photoshop

    Quentin Bargate
    Co-Founder of Ajuve, Director of Bargate Murray, Law Firm of the Year 2012 - 2016, Photographer
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  38. #338
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    Re: Fun with images taken with the Pentax K1

    Regarding the 15-30mm, I've picked one last week but have an AF issue: this lens has a severe back focussing @30mm, moderate @24mm and AF is accurate @18 & 15mm.
    @30mm if the AF micro adjustment is at its max (+10) I have an almost accurate AF target (let's say that +11 or +12 would have been better but the K1 setting stops at +10).
    Of course the problem is obvious, if I keep the +10 setting to avoid the backfocussing @ 30mm, I get a front focussing @21, 18, 15mm (severe @18 & 15mm).
    There is no way to adjust the AF fine tuning to the focal length used for a zoom lens.

    Before 'trying' to return the lens to my dealer I would like to know if you guys do get a consistant AF accuracy all along the zoom range ?

    ps: I understand that the AF function of a wide angle lens is less important as we normally do use it on tripod with live view but still, such behavior is annoying and not necessarily acceptable.
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  39. #339
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    Re: Fun with images taken with the Pentax K1

    It needs to be cross-bred with mine, which suffers from front focusing

    I have set -7 with the K1 and it seems to be a lot better, but as you say, I rarely if ever use auto focus. I use live view on a tripod for almost all the shots I take with the lens.


    Quote Originally Posted by anGy View Post
    Regarding the 15-30mm, I've picked one last week but have an AF issue: this lens has a severe back focussing @30mm, moderate @24mm and AF is accurate @18 & 15mm.
    @30mm if the AF micro adjustment is at its max (+10) I have an almost accurate AF target (let's say that +11 or +12 would have been better but the K1 setting stops at +10).
    Of course the problem is obvious, if I keep the +10 setting to avoid the backfocussing @ 30mm, I get a front focussing @21, 18, 15mm (severe @18 & 15mm).
    There is no way to adjust the AF fine tuning to the focal length used for a zoom lens.

    Before 'trying' to return the lens to my dealer I would like to know if you guys do get a consistant AF accuracy all along the zoom range ?

    ps: I understand that the AF function of a wide angle lens is less important as we normally do use it on tripod with live view but still, such behavior is annoying and not necessarily acceptable.
    Quentin Bargate
    Co-Founder of Ajuve, Director of Bargate Murray, Law Firm of the Year 2012 - 2016, Photographer
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  40. #340
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    Re: Fun with images taken with the Pentax K1

    Window dressing # 410
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  41. #341
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    Re: Fun with images taken with the Pentax K1

    Fregenal de la Sierra
    FA31





    Fregenal de la Sierra
    FA77





    Fregenal de la Sierra
    FA31


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