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FORUMS Sony Cameras, Lenses & Accessories Sony Cameras 
Thread started 24 Feb 2014 (Monday) 08:30
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Sony A7 models with non-Sony lenses

 
StudioAbe
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Nov 17, 2014 20:09 |  #4216

David Arbogast wrote in post #17278037 (external link)
I can't believe I haven't done it yet, but I want and need to do some tests to compare image quality from 5D III vs a7R. Per my comments above, I typically use my TS-E 24 II on my a7R for single hand-held exposures. But, if it's on a tripod and AEB brackets I like using my 5D III.

You're right on Charlie - I've noticed that too. While I love the a7 level, I too have noticed it's less precise than I want. It annoys me to get the camera "level" and be able to rock the camera around and it's still "level".

I had done a quick (and by far only) side-by-side comparison of 5DIII vs A7R late summer, but that was conducted within a week after acquiring the latter and I was still learning to operate it. Hence, I'd say it was not a valid testing. I set up 5DIII with TS-E24 on a tripod, then swapped with A7R and remounted TS-E24. Somewhere between 2-3 minutes have elapsed between the two shots. At the time I relied on focus peaking but since then I have used zoom focus for a more accurate focusing. As a result, A7R shot is slightly softer than the one taken with 5DIII. On the other hand, the A7R shot did capture more details and when manipulating exposure during post processing, it brought out more detail from both overexposed and underexposed areas. White balance is another factor I should consider; I shot both cameras with AWB setting, but I should actually set it to a specific Kelvin to level the field. By the way, Canon's AWB setting was closer to actual condition at the time of the shot. It definitely warrants another round of side-by-side comparison.

Re: in-camera level: 5DIII is much more precise. In some of early A7R arch/interior shots, I had to correct foreshortening in the post because I believed its in-camera level. I have since relied on my eye and grid display on the LCD to make sure the camera is as level as possible.

Both examples shot at 1/160sec f/8 but A7R shot was somehow set at ISO 64 - it's the pesky directional controller that is pressure sensitive as opposed to dial like that on 5DIII - so I had to +1/3 exposure to bring it as close as possible to the 5DIII shot, set at ISO100.

5DIII + TS-E24

IMAGE: https://farm9.staticflickr.com/8279/15816067705_bdc8156635_b.jpg

A7R + TS-E24
IMAGE: https://farm8.staticflickr.com/7536/15814167831_eeaf95ae03_b.jpg


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StudioAbe
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Nov 17, 2014 20:37 |  #4217

vinmunoz wrote in post #17278299 (external link)
Perhaps ur lens is really sharp.

Love my copy of 70-300L - it's been a revelation when combined with the A7R.
Below links were taken with 5DIII

https://photography-on-the.net …p=17165586&post​count=6651

https://photography-on-the.net …p=17165634&post​count=6652



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vinmunoz
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Nov 17, 2014 20:41 |  #4218

wow really sharp. :)


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David ­ Arbogast
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Nov 17, 2014 21:10 |  #4219

vinmunoz wrote in post #17278314 (external link)
It's not a complain but more of a concern just in case the poster is unaware. Simply correct me if i'm wrong. :)

Oops, I should have said "concerns" not "complaints." That's a much better term indeed. :)


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vinmunoz
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Nov 17, 2014 21:25 |  #4220

i myself is guilty of over sharpening in the past and even now sometimes. I've been critique many times here in POTN. So i'm just passing along just in case someone is unaware. :)


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vinmunoz
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Nov 17, 2014 23:05 |  #4221

IMAGE: https://farm6.staticflickr.com/5606/15816979395_5f9c2f6268_b.jpg
IMAGE LINK: https://flic.kr/p/q6G9​Vi  (external link) rhence-1 (external link) by vinzmunoz (external link), on Flickr

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jmaher
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Nov 18, 2014 10:52 |  #4222

Vinz,
A beautiful shot. Great color - great background.
Jim




  
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vinmunoz
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Nov 18, 2014 11:27 |  #4223

thanks Jim...


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Nov 18, 2014 20:01 |  #4224

With the 24-105


IMAGE: https://farm6.staticflickr.com/5613/15821849912_5406dc6b5d_b.jpg
IMAGE LINK: https://www.flickr.com​/photos/vortac1/158218​49912/  (external link)
IMG_DSC02847 (external link) by Peter Irwindale (external link), on Flickr

|Sony A7r|Rok 14 f/2.8|24-105 f/4L|40mm f/2.8|Metabones IV|
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triton3k
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Nov 19, 2014 02:18 |  #4225

Am i the only one finding the A7 tends to get noisy at times around ISO 1200? Today I had a shoot and on some shots at ISO 640 as I went to edit and mess with the shadows and highlights in lightroom that I started seeing noise. This was far from common on my 5D3. I'm starting not to like this.


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Tareq
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Nov 19, 2014 03:51 |  #4226

Sony A7R + TS 17mm

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DTBaan
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Nov 19, 2014 09:32 as a reply to  @ Tareq's post |  #4227

more rumor on a9 and a7II :confused: :rolleyes:

http://www.sonyalpharu​mors.com …-axis-stabilization-soon/ (external link)

http://petapixel.com …irst-new-higher-end-line/ (external link)




  
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Charlie
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Nov 19, 2014 09:53 |  #4228

In body IS? sign me up!

I thought sony was going to abandon that since they have OSS lenses, but I would LOVE in body stabilization. Would help a ton with my MF glass.


Sony A7riii/A9 - FE 12-24/4 - FE 24-240 - SY 24/2.8 - FE 28/2 - FE 35/2.8 - FE 50/1.8 - FE 85/1.8 - EF 135/1.8 Art - F 600/5.6 - CZ 100-300 - Astro Rok 14/2.8 - Tamron 17-28/2.8 - 28-75/2.8 RXD, 70-200/2.8 VC

  
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vipergts831
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Nov 19, 2014 10:08 |  #4229

triton3k wrote in post #17280827 (external link)
Am i the only one finding the A7 tends to get noisy at times around ISO 1200? Today I had a shoot and on some shots at ISO 640 as I went to edit and mess with the shadows and highlights in lightroom that I started seeing noise. This was far from common on my 5D3. I'm starting not to like this.

When it comes to ISO sensitivity the A7 and the 5dmkIII are pretty damn close. The 5dmkIII edges it though but not by a lot. So you are valid in what you are seeing. Difference is i would welcome the noise of the A7 over the banding which becomes apparent in the 5dmkIII files. In terms of Dynamic range under 1600 The A7 has an advantage after 1600 the 5dmkIII takes over. Hope that helps a bit. If you do lots of low light shooting then the killer camera is the A7s. Nothing like it. I hope to snag another one up once the prices comes down.


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DTBaan
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Nov 19, 2014 10:13 |  #4230

Charlie wrote in post #17281300 (external link)
In body IS? sign me up!

I thought sony was going to abandon that since they have OSS lenses, but I would LOVE in body stabilization. Would help a ton with my MF glass.

I wonder.. if in body IS.. does that mean they can make lens smaller with out the IS or OSS built into the lens? :P




  
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Sony A7 models with non-Sony lenses
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