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FORUMS Sony Cameras, Lenses & Accessories Sony Cameras 
Thread started 27 May 2015 (Wednesday) 18:49
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TRhoads
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Nov 30, 2016 09:20 |  #27706

zarray wrote in post #18199050 (external link)
Hi all,

I've been having some infinity focus AF trouble with my a7ii + Metabones T-smart mk4 adapter and Canon 17-40. I'm not too sure if that's a common phenomenon amongst fellow users but seems like its common enough to prompt Metabones to mention "AF accuracy improvement for subjects near infinity." for their latest V0.53 update.

Unfortunately I don't feel the issue has really been resolved and I'm not sure why either. The adapter works perfect on my sigma 50mm non-art and Canon 85mm on the other hand!

I'm liking the IBIS and the exposure latitude i get from the Sony RAW files but I'm not totally sold on the A7 series to make a complete switch to Sony, but i am considering the Sony 16-35 F4 or the Canon 6d2 when it is eventually released

I have not had any focusing issues with the Metabones and the 17-40L. That is my go to lens. Do you have a Canon body to test the lens on, to see if it is the lens?


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David ­ Arbogast
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Nov 30, 2016 09:24 |  #27707

OoDee wrote in post #18198991 (external link)
Does anyone have any comparative experience between Sigma 35A and Loxia 35. I've started thinking about getting the loxia simply for its size benefits. So it be more of a walk around/streetphotograp​hy. For serious/paid work I'd still use Sigma.

The problem really is that a) I like my Sigma and don't really need anything better in terms of quality. And b) Loxia is pricey. And because I'm only looking for it because of its size, I wouldn't want to buy anything less than the Sigma in terms of other factors. So, I'd be interested in knowing how Loxia renders in comparison to Sigma (especially in terms of colors and contrast). I have my doubts since I'm not a big fan of the Sony/Zeiss 55 (while technically nearly perfect, it leaves me cold and uninterested most of the time). If Loxia would be more like the Zony than Sigma, then I'd be less tempted.

I've owned both. As Carlo mentioned the astigmatism of the Loxia wide open was too much for me to accept. Stopped down to f/8, it's great. The lens has a gorgeous color rendition and beautiful sunstars. But, felt I couldn't justify such a high price for a lens I couldn't shoot at f/2.

Of the two, I'd rather have the Sigma. I much prefer the colors from the Loxia, but sharpness matters and the Sigma is already impressive at f/1.4.

To be perfectly candid I'm really unhappy with the situation at 35mm for the a7 series. Hoping Zeiss makes a Batis 35mm f/1.8 or f/2.


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Sony: α7R II | Sony: 24GM, 12-24G, 24-105G, 200-600G | Sigma Art: 14-24, 35 F1.2, 105 Macro | Zeiss Batis: 85, 135 | Zeiss Loxia: 21, 35, 85 | Voigtländer: 12

  
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wallstreetoneil
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Nov 30, 2016 09:30 |  #27708

zarray wrote in post #18199050 (external link)
Hi all,

I've been having some infinity focus AF trouble with my a7ii + Metabones T-smart mk4 adapter and Canon 17-40. I'm not too sure if that's a common phenomenon amongst fellow users but seems like its common enough to prompt Metabones to mention "AF accuracy improvement for subjects near infinity." for their latest V0.53 update.

Unfortunately I don't feel the issue has really been resolved and I'm not sure why either. The adapter works perfect on my sigma 50mm non-art and Canon 85mm on the other hand!

I'm liking the IBIS and the exposure latitude i get from the Sony RAW files but I'm not totally sold on the A7 series to make a complete switch to Sony, but i am considering the Sony 16-35 F4 or the Canon 6d2 when it is eventually released

I use the 17-40 with both the Metabones IV T and the Sigma MC-11 on the A7Rii, not the A7ii, and I not sure I have seen any issues at infinity - but I'm not a landscape F8 expert - I'm a Canon wedding / sport F2.8 / F4 shooter - so maybe I'm missing something or maybe it doesn't happen with the A7Rii and only the A7ii?


Hockey and wedding photographer. Favourite camera / lens combos: a 1DX II with a Tamron 45 1.8 VC, an A7Rii with a Canon 24-70F2.8L II, and a 5DSR with a Tamron 85 1.8 VC. Every lens I own I strongly recommend [Canon (35Lii, 100L Macro, 24-70F2.8ii, 70-200F2.8ii, 100-400Lii), Tamron (45 1.8, 85 1.8), Sigma 24-105]. If there are better lenses out there let me know because I haven't found them.

  
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zarray
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Nov 30, 2016 09:46 as a reply to  @ TRhoads's post |  #27709

Hi TRHoads,

Yes I have been shooting that 17-40 with my 5D mark II for 4 years and that combo has been rock solid reliable over the years...and it still is!

Strange thing is that the focusing with the metabones works perfect at close ranges. However the further the subject(ie. landscapes) is, the more I tend to notice the focus issue.
Even shooting at F/11 the difference in sharpness is obvious.

Initially I bought into the Sony+metabones setup hoping that I wouldn't have to deal with focusing issues or microadjust with prime lens and thin DOF portrait shots, and it did work perfect for those shots but now I'm having this issue


5D Mark II | 5Dc |17-40 | 24-105 | 70-200 F2.8 IS | Sigma 50mm 1.4 | 580EX

  
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TRhoads
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Nov 30, 2016 09:49 |  #27710

zarray wrote in post #18199084 (external link)
Hi TRHoads,

Yes I have been shooting that 17-40 with my 5D mark II for 4 years and that combo has been rock solid reliable over the years...and it still is!

Strange thing is that the focusing with the metabones works perfect at close ranges. However the further the subject(ie. landscapes) is, the more I tend to notice the focus issue.
Even shooting at F/11 the difference in sharpness is obvious.

Initially I bought into the Sony+metabones setup hoping that I wouldn't have to deal with focusing issues or microadjust with prime lens and thin DOF portrait shots, and it did work perfect for those shots but now I'm having this issue

that is a shame, it is the opposite for me...the images from my 17-40L are noticeably sharper on the A7R2...


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Charlie
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Nov 30, 2016 10:00 |  #27711

zarray wrote in post #18199084 (external link)
Hi TRHoads,

Yes I have been shooting that 17-40 with my 5D mark II for 4 years and that combo has been rock solid reliable over the years...and it still is!

Strange thing is that the focusing with the metabones works perfect at close ranges. However the further the subject(ie. landscapes) is, the more I tend to notice the focus issue.
Even shooting at F/11 the difference in sharpness is obvious.

Initially I bought into the Sony+metabones setup hoping that I wouldn't have to deal with focusing issues or microadjust with prime lens and thin DOF portrait shots, and it did work perfect for those shots but now I'm having this issue

do you happen to be in AF-C? AF-C + F11 will result in focus pumping. You want to be in AF-S when smaller than F8.


Sony A7siii/A7iii/ZV-1 - FE 24/1.4 - SY 24/2.8 - FE 35/2.8 - FE 50/1.8 - FE 85/1.8 - F 600/5.6 - CZ 100-300 - Tamron 17-28/2.8 - 28-75/2.8 - 28-200 RXD
Panasonic G9 - Laowa 7.5/2 - PL 15/1.7 - P 42.5/1.8 - OM 75/1.8 - PL 10-25/1.7 - P 12-32 - P 14-140

  
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zarray
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Nov 30, 2016 10:11 |  #27712

Charlie wrote in post #18199100 (external link)
do you happen to be in AF-C? AF-C + F11 will result in focus pumping. You want to be in AF-S when smaller than F8.

It is in AF-S. The focus 'locks' although it is a slightly OOF most of the time when aiming at subjects near infinity.


5D Mark II | 5Dc |17-40 | 24-105 | 70-200 F2.8 IS | Sigma 50mm 1.4 | 580EX

  
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alfredomora
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Nov 30, 2016 10:26 |  #27713

zarray wrote in post #18199105 (external link)
It is in AF-S. The focus 'locks' although it is a slightly OOF most of the time when aiming at subjects near infinity.

Maybe try tightening the mount on your camera.


- Alfredo -
Sony a7RII | Voightlander 12 f5.6 | Sony 16-35 GM f2.8 | Zeiss Batis 18 f2.8 | Zeiss Loxia 21 f2.8 | FE 55 f1.8 | Zeiss Loxia 85 f2.4 | Sony 100-400 GM |
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David ­ Arbogast
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Nov 30, 2016 10:33 |  #27714

Batis 18mm just arrived. Wow, I didn't realize it would be so light and small. Looking forward to putting it to use soon.


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Sony: α7R II | Sony: 24GM, 12-24G, 24-105G, 200-600G | Sigma Art: 14-24, 35 F1.2, 105 Macro | Zeiss Batis: 85, 135 | Zeiss Loxia: 21, 35, 85 | Voigtländer: 12

  
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TRhoads
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Nov 30, 2016 10:36 |  #27715

David Arbogast wrote in post #18199128 (external link)
Batis 18mm just arrived. Wow, I didn't realize it would be so light and small. Looking forward to putting it to use soon.

I remember that surprise...but wait till you see the images that come from it...small package...big impact...can't wait to get mine...


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Post edited over 4 years ago by alfredomora.
     
Nov 30, 2016 10:39 |  #27716

David Arbogast wrote in post #18199128 (external link)
Batis 18mm just arrived. Wow, I didn't realize it would be so light and small. Looking forward to putting it to use soon.

Woohoo! Excited for ya.

Hey I haven't even removed the little plastic sticker over the LCD display. Haha


- Alfredo -
Sony a7RII | Voightlander 12 f5.6 | Sony 16-35 GM f2.8 | Zeiss Batis 18 f2.8 | Zeiss Loxia 21 f2.8 | FE 55 f1.8 | Zeiss Loxia 85 f2.4 | Sony 100-400 GM |
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Nov 30, 2016 10:39 |  #27717

David Arbogast wrote in post #18199128 (external link)
Batis 18mm just arrived. Wow, I didn't realize it would be so light and small. Looking forward to putting it to use soon.

Nice one David. Its deceptively light especially for its wide shape


α7R III | α9 II | Mavic 2 Pro | Osmo Pocket | GoPro Hero 7 Black
16-35GM | 24GM | 35GM | 135GM | Zeiss Loxia 21 | Zeiss CY 35-70

  
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Nov 30, 2016 10:42 |  #27718

Tested my laowa 12mm today and im happy to say it seems to perform correctly - woo hoo. I can focus to infinity and it seems reasonably well centered. Im just comparing a few test shots just now but will post some comparison shots up as I took images with the Laowa, B18 and B25 from the same setup. The corners are not perfect even at f/8 but I suppose thats what happens at these hyper wide angles. The corners are equally soft though so im guessing its centered


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Nov 30, 2016 11:00 |  #27719
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idsurfer wrote in post #18197485 (external link)
Hadn't really thought about it till now but do you guys think LR 6.7 will support a6500 RAW files? Thanks

6.7 doesn't support A6500, probably whatever new version will be.

since Lightroom is at 6.7 now, and its been two months since it was released, and Adobe is switching CC from 2015 to 2017, It wouldn't surprise me if Lightroom gets updated to version 7 (or CC 2017).

Lightroom 5, only made it to version 5.7.1, so it seems like the perfect time for Adobe to abandon current version and want more money in their coffers and release version 7.


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Nov 30, 2016 11:14 |  #27720

nekrosoft13 wrote in post #18199151 (external link)
6.7 doesn't support A6500, probably whatever new version will be.

since Lightroom is at 6.7 now, and its been two months since it was released, and Adobe is switching CC from 2015 to 2017, It wouldn't surprise me if Lightroom gets updated to version 7 (or CC 2017).

Lightroom 5, only made it to version 5.7.1, so it seems like the perfect time for Adobe to abandon current version and want more money in their coffers and release version 7.

Or LR 6.7.1 will be released with the 6500 included.


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