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Archive 2013 · A7/A7r - performance with WA RF lenses

  
 
freaklikeme
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p.39 #1 · A7/A7r - performance with WA RF lenses


Thanks, Rich. How did it feel in your hand? Any glaring ergonomic complaints?


Oct 25, 2013 at 12:14 PM
Tariq Gibran
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p.39 #2 · A7/A7r - performance with WA RF lenses


naturephoto1 wrote:
I have known Justin for quite a number of years from when he was working with Manfrotto/Bogen till when he started with Leica Camera USA till today. He is and has always been straight forward and honest about his opinions.

By the way and as has been brought up previously and I forgot to include in my review Justin also made it a point that things were going to depend upon the exit pupil of the design of the WA RF lenses.


I'm certainly not saying he doesn't believe his opinions...just that they are coming from a certain perspective.



Oct 25, 2013 at 12:17 PM
uhoh7
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p.39 #3 · A7/A7r - performance with WA RF lenses


naturephoto1 wrote:
I forgot to include in my review Justin also made it a point that things were going to depend upon the exit pupil of the design of the WA RF lenses.


That, sir, is the bone I am looking for

BTW nasty 50 summi shot f/5.6 "straight out of camera" according to tweet.



Oct 25, 2013 at 12:24 PM
serhan_
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p.39 #4 · A7/A7r - performance with WA RF lenses


Steve Huff posted CV 12mm jpg samples:

http://www.stevehuffphoto.com/2013/10/25/quick-samples-from-sony-a7-and-a7r-with-12mm-voigtlander/



Oct 25, 2013 at 01:50 PM
edwardkaraa
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p.39 #5 · A7/A7r - performance with WA RF lenses


serhan_ wrote:
Steve Huff posted CV 12mm jpg samples:

http://www.stevehuffphoto.com/2013/10/25/quick-samples-from-sony-a7-and-a7r-with-12mm-voigtlander/


Impressive, but anyhow the CV 12 isn't a problematic lens in terms of oblique light rays. The black sheep of the family is the CV 15.

Nonetheless, it is great to know this lens works as well with the A7R as it works with the M9.

Edited on Oct 25, 2013 at 01:58 PM · View previous versions



Oct 25, 2013 at 01:57 PM
ISO1600
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p.39 #6 · A7/A7r - performance with WA RF lenses


Wow, the 12 honestly is much better than I thought it would be.


Oct 25, 2013 at 01:58 PM
sebboh
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p.39 #7 · A7/A7r - performance with WA RF lenses


looks as good as i could expect that lens to be. too bad i don't have any use for a 12mm.




Oct 25, 2013 at 01:59 PM
Makten
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p.39 #8 · A7/A7r - performance with WA RF lenses


edwardkaraa wrote:
Impressive, but anyhow the CV 12 isn't a problematic lens in terms of oblique light rays. The black sheep of the family is the CV 15.


If the 15 is as bad as it gets, I have high hopes since it doesn't give any smearing on the NEX-5N and only minor color shift.



Oct 25, 2013 at 02:15 PM
Olaf G
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p.39 #9 · A7/A7r - performance with WA RF lenses


Makten wrote:
If the 15 is as bad as it gets, I have high hopes since it doesn't give any smearing on the NEX-5N and only minor color shift.


+1



Oct 25, 2013 at 02:17 PM
artur5
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p.39 #10 · A7/A7r - performance with WA RF lenses


Olaf G wrote:
+1

Keep your fingers crossed, but I expect that the Heliar 15/4,5. in a FF sensor is gonna be much more troublesome than in a NEX-5N.



Oct 25, 2013 at 02:29 PM
edwardkaraa
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p.39 #11 · A7/A7r - performance with WA RF lenses


artur5 wrote:
Keep your fingers crossed, but I expect that the Heliar 15/4,5. in a FF sensor is gonna be much more troublesome than in a NEX-5N.


It has one of the strongest color shifts on the M9.



Oct 25, 2013 at 02:31 PM
serhan_
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p.39 #12 · A7/A7r - performance with WA RF lenses


CV 12mm doesn't have color shift or smearing w/ nex-5n/6, has some color shift with nex-5.

Here are RD1 tests that Sean Reid did it at LL, shows the wide rf lenses on 6MP Sony apsc sensor w/ correction and w/o correction:
http://www.luminous-landscape.com/reviews/lenses/rd-1-lens.shtml
http://www.luminous-landscape.com/reviews/lenses/fastlensreview.shtml


Edited on Oct 25, 2013 at 02:43 PM · View previous versions



Oct 25, 2013 at 02:42 PM
uhoh7
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p.39 #13 · A7/A7r - performance with WA RF lenses


ISO1600 wrote:
Wow, the 12 honestly is much better than I thought it would be.


Holy crap! All my praying seems to have worked :-)

The only question is, what is it Buddha, Jesus or Yahweh?



Oct 25, 2013 at 02:43 PM
Makten
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p.39 #14 · A7/A7r - performance with WA RF lenses


artur5 wrote:
Keep your fingers crossed, but I expect that the Heliar 15/4,5. in a FF sensor is gonna be much more troublesome than in a NEX-5N.


Of course, but if the 12/5.6 looks that good, there's a good chance that many lenses from say 24 mm and up will look great. I'm not very interested in super wides.
By the way, the 15/4.5 is mindblowingly sharp to the extreme corners on film, wide open. It's the most "3D" rendering lens I've tried that is not Zeiss or Leica.



Oct 25, 2013 at 02:46 PM
alwang
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p.39 #15 · A7/A7r - performance with WA RF lenses


edwardkaraa wrote:
It has one of the strongest color shifts on the M9.


On Ron Scheffler's tests with the A7, the CV12 and the CV15 appear to color shift about the same- which is to say, pretty noticeable at all apertures when you're focusing at infinity towards a white overcast sky. It's hard to tell from those pics if there is any smearing, because there's no in-focus detail in the corners. I love the CV15 on the NEX-5n, but I don't think I'd use this much on the A7.

Looking at Ron's tests again, I think I'm going to be pretty happy how the CV40 works on the A7. It vignettes at wider apertures, but no real color shift, and at least to the edges, the detail looks very good. Stopped down, the vignetting is pretty much gone by f5.6. Makten, I think your new lens behaves similarly. If I get an A7/r, this might be my one faster small lens- I think the FE35/2.8 will still stomp it for detail, and maybe that would be a nice complement.




Oct 25, 2013 at 02:46 PM
wfrank
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p.39 #16 · A7/A7r - performance with WA RF lenses


Makten wrote:
If the 15 is as bad as it gets, I have high hopes since it doesn't give any smearing on the NEX-5N and only minor color shift.


Unfortunately I think the Contax G 21, which must be one of the best film lenses ever, will prove worse. It is on APS-C.



Oct 25, 2013 at 02:48 PM
philber
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p.39 #17 · A7/A7r - performance with WA RF lenses


If the CV 12 works like this, meaning with "only" colour shift, then there is real hope that some WAs will work out on the A7R. For my reference (I have never used this lens), how does the CV work on NEX 5N/5T/5R/6 and on NEX 7? Thanks!


Oct 25, 2013 at 02:58 PM
ebrandon
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p.39 #18 · A7/A7r - performance with WA RF lenses


carstenw wrote:
Okay, so this is beginning to look like another small camera with either big or slow lenses. Only the image quality and the built-in high-res EVF are serious competitive advantages then.


I think the main competitive advantage is the finally having an affordable FF camera that can take almost any lens ever made -- non wide RF lenses, Konica mount lenses, Canon FD lenses etc.



Oct 25, 2013 at 03:00 PM
serhan_
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p.39 #19 · A7/A7r - performance with WA RF lenses


CV12 w/ nex-5
http://www.pbase.com/sc_20170/image/133061776/original.jpg


CV12 w/ nex-5n
http://www.pbase.com/sc_20170/image/139623801/original.jpg


photozone review on nex-5
http://www.photozone.de/sony-alpha-aps-c-lens-tests/544-voigtlander12f56nex

philber wrote:
If the CV 12 works like this, meaning with "only" colour shift, then there is real hope that some WAs will work out on the A7R. For my reference (I have never used this lens), how does the CV work on NEX 5N/5T/5R/6 and on NEX 7? Thanks!




Oct 25, 2013 at 03:03 PM
philber
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p.39 #20 · A7/A7r - performance with WA RF lenses


Thanks, Serhan! That suggests, if results can be transposed, which I am not sure they can, that A7R is somewhere in between NEX 5N and 7. More or less what I expected.


Oct 25, 2013 at 03:07 PM
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