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Archive 2013 · A7/A7R Resource Thread
  
 
michaelwatkins
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p.2 #1 · p.2 #1 · A7/A7R Resource Thread


A flickr set, variety of subjects, worth a look. Lots with ZE35/2.8:

http://www.flickr.com/photos/aferiksson/sets/72157637295479385/

Even a brick wall (FE35/2.8 shot wide open)



Nov 04, 2013 at 08:59 AM
Tariq Gibran
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p.2 #2 · p.2 #2 · A7/A7R Resource Thread


Imaging-Resource has added their image quality comparison of Sony A7R with the Sony A7, Canon 5D Mark III, Nikon D800E, Pentax 645D and Sony RX1R.

http://www.imaging-resource.com/camera-reviews/sony/a7r/



Nov 05, 2013 at 03:44 AM
michaelwatkins
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p.2 #3 · p.2 #3 · A7/A7R Resource Thread


Brian Smith / Sony published another video about the cameras. Haven't finished watching it yet... first couple of minutes are marketing heavy, rest may be info light.

http://briansmith.com/sony-a7-a7r-newest-tool-for-photojournalist/

Edit... confirmed. I don't think I need to learn how many more times larger a full frame sensor is compared to 4/3. When he gets to discussing his images from Haiti it becomes more interesting.

PS: Zeiss ZM 18/4 fans, an image made with that lens is featured right at the very end of the video. No word on whether it's a cropped photo.



Nov 06, 2013 at 04:35 PM
michaelwatkins
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p.2 #4 · p.2 #4 · A7/A7R Resource Thread


Quick review by Chase Jarvis:

http://blog.chasejarvis.com/blog/2013/11/a-hot-minute-hands-on-review-of-the-sony-a7r/

Likes: Too many to list
Nits: Shutter press (and sound), battery life, boot-time.



Nov 06, 2013 at 09:37 PM
naturephoto1
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p.2 #5 · p.2 #5 · A7/A7R Resource Thread


A7 and A7r instructions:

http://www.sonyalpharumors.com/full-a7-a7r-manual-online-one-minute-review-by-chase-jarvis-and-other-tests/

http://download.sony-asia.com/consumer/IM/4478729112.pdf

Rich



Nov 07, 2013 at 03:23 PM
michaelwatkins
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p.2 #6 · p.2 #6 · A7/A7R Resource Thread


German publication determines A7r sets new resolution record (2,553 line pairs at ISO100; D800E a couple hundred pairs behind in #2). In German.

http://www.chip.de/artikel/Sony-Alpha-7R-ILCE-7R-Profi-DSLM-Test_65234491.html



Nov 07, 2013 at 04:18 PM
uhoh7
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p.2 #7 · p.2 #7 · A7/A7R Resource Thread


A7r with Leica glass:

http://www.pcmag.com/article2/0,2817,2426753,00.asp

Sadly no samples

Edited on Nov 08, 2013 at 04:43 PM · View previous versions



Nov 07, 2013 at 05:05 PM
twoeye
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p.2 #8 · p.2 #8 · A7/A7R Resource Thread


A dutch test of the A7r/ Metabones Smart adapter/ Canon TS-E lenses:

"...The results of the tests are convincing . The Alpha 7R has no problem with the Canon 24mm and 17mm TSE. The image remains sharp right into the corners and vignetting is the same as the EOS 5D at full shift.

The Sony A7R with Meta Bones adapter is currently the best choice for Canon photographers who need more megapixels and ultimate sharpness..."



Nov 07, 2013 at 09:58 PM
uhoh7
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p.2 #9 · p.2 #9 · A7/A7R Resource Thread


New set on flickr

indoors just a few RF lenses, including 28/2 leicaA7r vs M240



Nov 08, 2013 at 04:43 PM
uhoh7
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p.2 #10 · p.2 #10 · A7/A7R Resource Thread


This just in:

Leica R + A7r

http://www.frankdoorhof.com/site/2013/11/sony-a7r-with-leica-r-glass/



Nov 09, 2013 at 11:50 PM
 

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sculptormic
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p.2 #11 · p.2 #11 · A7/A7R Resource Thread


Some samples with the Leica Summitar 50/2.
http://siammirrorless.com/board/index.php?PHPSESSID=ltlbvqoo8d00ojs91u2crq8sf3&topic=1644.60

Can't wait to use mine on the A7r.



Nov 10, 2013 at 04:55 PM
uhoh7
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p.2 #12 · p.2 #12 · A7/A7R Resource Thread









Nov 10, 2013 at 05:57 PM
michaelwatkins
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p.2 #13 · p.2 #13 · A7/A7R Resource Thread


AF speed, decent light, indecent (!) light:

http://www.youtube.com/watch?v=rY5JaGf0dHc

Note the shutter speed after the lights turned off.

No complaints here.



Nov 10, 2013 at 06:42 PM
michaelwatkins
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p.2 #14 · p.2 #14 · A7/A7R Resource Thread


You may recognize the backdrop of this manual focus demonstration:

http://www.youtube.com/watch?v=N5k8N5gbTUQ



Nov 10, 2013 at 06:46 PM
shelt
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p.2 #15 · p.2 #15 · A7/A7R Resource Thread


Wow, the a7r AF speed looks fine to me, even in low light! Added bonus if I need it...

michaelwatkins wrote:
AF speed, decent light, indecent (!) light:

http://www.youtube.com/watch?v=rY5JaGf0dHc

Note the shutter speed after the lights turned off.

No complaints here.




Nov 10, 2013 at 07:26 PM
michaelwatkins
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p.2 #16 · p.2 #16 · A7/A7R Resource Thread


For static subjects it looks more than merely acceptable; I've no idea if it has a continuous mode and if so, how well that works. I don't need to track a herd of rhinos coming at me but sometimes it is nice and more efficient to have AF-C if the camera can manage.


Nov 11, 2013 at 03:43 AM
michaelwatkins
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p.2 #17 · p.2 #17 · A7/A7R Resource Thread


This just in: A7r with M42 glass:

http://www.frankdoorhof.com/site/2013/11/sony-a7r-with-some-m42-glass/

Synopsis: slap any ol' lens on it, with the right subject, fantastic.



Nov 12, 2013 at 12:57 AM
philip_pj
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p.2 #18 · p.2 #18 · A7/A7R Resource Thread


Frank and others have discovered that the a7r enhances lesser lenses, something Zeiss wrote about in a white paper: 'How to read MTF Curves Pt II'...

I mention it on occasion because it is a shining beacon of accuracy in the midst of a swamp of nonsense that you 'need the best lenses on high resolution sensors'. No, you don't. Optical truth is stranger than received wisdom. Which is fabulous news for fans of old lenses - ALL of them will have never looked better, and that is a scientific fact.



Nov 12, 2013 at 05:39 AM
mjm6
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p.2 #19 · p.2 #19 · A7/A7R Resource Thread


philip_pj wrote:
Frank and others have discovered that the a7r enhances lesser lenses, something Zeiss wrote about in a white paper: 'How to read MTF Curves Pt II'...

I mention it on occasion because it is a shining beacon of accuracy in the midst of a swamp of nonsense that you 'need the best lenses on high resolution sensors'. No, you don't. Optical truth is stranger than received wisdom. Which is fabulous news for fans of old lenses - ALL of them will have never looked better, and that is a scientific fact.


Philip,

The a7r doesn't enhance a lens,per se, but it does permit a lens' innate characteristics to show through. And of course, at 36MP it does out-resolve a lot of lenses, especially in the corners.

What I think is funny is that most people don't understand that exactly what you are saying is correct; they look at the pixel level of a lens test and see that a camera may exceed the performance of that particular lens, when in fact, that is really unimportant in most cases.

Only if you are intent on matching the resolving capabilities of the camera do new lenses become required with these high resolving sensors. For the rest of us, using the lenses we love for their particular rendering capabilities will meet our requirements, and do so with more pixels to employ for reproduction purposes.

It's a win in all respects...


---Michael



Nov 12, 2013 at 05:54 AM
philip_pj
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p.2 #20 · p.2 #20 · A7/A7R Resource Thread


Pretty on the mark take by the dearsusan person:

http://dearsusans.wordpress.com/2013/10/16/165-sony-a7-launch-what-have-we-learned/



Nov 12, 2013 at 05:55 AM
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