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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

 
vipergts831
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Nov 19, 2014 10:14 |  #4231

DTBaan wrote in post #17281329 (external link)
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

Eventually physics will say no to this question :lol:


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vinmunoz
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Nov 19, 2014 10:16 as a reply to  @ post 17281300 |  #4232

Charlie wrote:
Would help a ton with my MF glass.

Awesome! I have manual lenses too.


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DTBaan
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Nov 19, 2014 10:18 |  #4233

vipergts831 wrote in post #17281332 (external link)
Eventually physics will say no to this question :lol:

ahh your right. 70-200 F4 IS or non IS is the same size. ihy. lol




  
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vinmunoz
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Nov 19, 2014 10:22 |  #4234

yah it's the aperture size that restrict the size i guess.


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vipergts831
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Nov 19, 2014 10:25 |  #4235

This was a good post lens design and theory:

http://petapixel.com …s-theoretically-possible/ (external link)


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triton3k
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Nov 19, 2014 10:49 |  #4236

vipergts831 wrote in post #17281320 (external link)
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.


Thanks for that, makes perfect sense. Yea i've been wanting to snag an A7S as well. We shall see how these gigs work out in the next month.


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David ­ Arbogast
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Nov 19, 2014 10:56 |  #4237

triton3k wrote in post #17281394 (external link)
Thanks for that, makes perfect sense. Yea i've been wanting to snag an A7S as well. We shall see how these gigs work out in the next month.

It's somewhat painful to do - to deliberately expose poorly - but I will sometimes purposefully underexpose one stop to avoid going up a stop in ISO.

Sure, it's bad photography practice to under-expose (from a get-it-right-in-camera) standpoint, but shooting that way leverages the Sony sensor's unique strength: shadow and exposure recovery. It's unthinkable with a 5D III, which has horrible noise in shadows/underexposed areas, but works great with the a7. It may not be a good solution for you, but give it a try and see if it's a work-around towards minimizing ISO noise.


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David ­ Arbogast
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Nov 19, 2014 11:04 |  #4238

Can't wait to see the a9! Next generation sensor? Wow!

I really want Canon to make things interesting in 2015. I hope we'll see a 1DX II, 5D IV, or even that mythical 3D.

Still, for landscapes and architecture, the a9 might be irresistible. :)


Tareq: Very nice architectural shot with the TS-E 17mm! It would be could to try the same shot with the TS-E 24 II (stepping backward as needed to frame the building) to see the compositional difference between the two focal lengths.


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vipergts831
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Nov 19, 2014 11:09 |  #4239

David Arbogast wrote in post #17281399 (external link)
It's somewhat painful to do - to deliberately expose poorly - but I will sometimes purposefully underexpose one stop to avoid going up a stop in ISO.

Sure, it's bad photography practice to under-expose (from a get-it-right-in-camera) standpoint, but shooting that way leverages the Sony sensor's unique strength: shadow and exposure recovery. It's unthinkable with a 5D III, which has horrible noise in shadows/underexposed areas, but works great with the a7. It may not be a good solution for you, but give it a try and see if it's a work-around towards minimizing ISO noise.

David that is exactly how i shoot the A7r in almost all situations. You are using the heavy muscle of the camera and like you i avoided that like the plague on the 5dmkIII. You cant push the shadows too much before banding is apparent.


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DTBaan
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Nov 19, 2014 11:15 |  #4240

David Arbogast wrote in post #17281399 (external link)
It's somewhat painful to do - to deliberately expose poorly - but I will sometimes purposefully underexpose one stop to avoid going up a stop in ISO.

Sure, it's bad photography practice to under-expose (from a get-it-right-in-camera) standpoint, but shooting that way leverages the Sony sensor's unique strength: shadow and exposure recovery. It's unthinkable with a 5D III, which has horrible noise in shadows/underexposed areas, but works great with the a7. It may not be a good solution for you, but give it a try and see if it's a work-around towards minimizing ISO noise.

ive actually been thinking about doing that.. in some pictures where it was underexposed but with lower iso, I find it to be more clean vs the same picture I shot at a higher iso when pulling shadows. I actually find my pictures taken with the crop camera more clean than the pictures I have now. because crop is limited to iso I try not to push it. with FF... I'm out of control :lol:




  
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Tareq
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Nov 19, 2014 11:16 |  #4241

David Arbogast wrote in post #17281413 (external link)
Can't wait to see the a9! Next generation sensor? Wow!

I really want Canon to make things interesting in 2015. I hope we'll see a 1DX II, 5D IV, or even that mythical 3D.

Still, for landscapes and architecture, the a9 might be irresistible. :)


Tareq: Very nice architectural shot with the TS-E 17mm! It would be could to try the same shot with the TS-E 24 II (stepping backward as needed to frame the building) to see the compositional difference between the two focal lengths.

I did shoot this building in the past with TS24II before and couldn't include that whole building, i was on the edge of the car parking so i couldn't step backward more, even if i do the part of the reflection will be gone[cut by the edge], so that i decided to shoot with TS yesterday to see how much i can include with one frame, even with shift function it was difficult with TS-E 24 II.


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DTBaan
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Nov 19, 2014 11:20 as a reply to  @ vipergts831's post |  #4242

a7R and 24-70 OSS

IMAGE: https://farm6.staticflickr.com/5614/15762673335_3584430d41_b.jpg

IMAGE: https://farm8.staticflickr.com/7569/15760799381_21f8be1d9c_b.jpg

IMAGE: https://farm4.staticflickr.com/3940/15577510387_336c4cf9dd_b.jpg



  
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DTBaan
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Nov 19, 2014 11:21 |  #4243

Tareq wrote in post #17281437 (external link)
I did shoot this building in the past with TS24II before and couldn't include that whole building, i was on the edge of the car parking so i couldn't step backward more, even if i do the part of the reflection will be gone[cut by the edge], so that i decided to shoot with TS yesterday to see how much i can include with one frame, even with shift function it was difficult with TS-E 24 II.

I liked how the reflection was included :D




  
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vinmunoz
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Nov 19, 2014 11:26 |  #4244

nice shots baan.


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vipergts831
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Nov 19, 2014 11:29 |  #4245

Nice set Baan!


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Sony A7 models with non-Sony lenses
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