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Thread started 16 Oct 2013 (Wednesday) 01:49
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Sony's full-frame Alpha 7 and 7R

 
KayakPhotos
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Mar 11, 2014 09:24 |  #601

I think I'm going to go with samyang 14 for ultra wide as well. The fact that they make a native e mount version is a bonus.


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Mar 11, 2014 09:30 |  #602
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is it E or FE (full frame E)?


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Ginga
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Mar 11, 2014 10:45 as a reply to  @ nekrosoft13's post |  #603

The true benefit of buying the Samyang 14 with E-mount is that you'll avoid any potential risk of adapter misalignment.

Pretty much all adapters suffer from misalignment, but it is only visible on super-wide focal lengths, like 14mm.


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David ­ Arbogast
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Mar 11, 2014 14:30 |  #604

Anyone using a wrist/hand strap on your a7/R? I'd like to try one, but not sure what would fit the camera best.


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navydoc
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Mar 11, 2014 14:31 |  #605

Ginga wrote in post #16750549 (external link)
The true benefit of buying the Samyang 14 with E-mount is that you'll avoid any potential risk of adapter misalignment.

Pretty much all adapters suffer from misalignment, but it is only visible on super-wide focal lengths, like 14mm.

What are the consequences of misalignment...vignett​ing? I haven't had an issue using my 17-40 @17mm using the Metabones adapter. I imagine those 3mm less of focal length can make a big difference.


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Ginga
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Mar 11, 2014 14:38 |  #606

navydoc wrote in post #16751031 (external link)
What are the consequences of misalignment...vignett​ing? I haven't had an issue using my 17-40 @17mm using the Metabones adapter. I imagine those 3mm less of focal length can make a big difference.

According to Fred Miranda (who went through 3 copies of the Merabones adapter before he found a good one) it is loss of corner sharpness on one side of the frame.


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navydoc
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Mar 11, 2014 14:38 |  #607

David Arbogast wrote in post #16751029 (external link)
Anyone using a wrist/hand strap on your a7/R? I'd like to try one, but not sure what would fit the camera best.

Do you use any kind of a strap now David? I finally took mine off as it seemed to be in my way a lot. Now I'm using a Lowepro Photo Runner 100 Convertible Beltpack/Shoulder Bag to carry the camera + a couple of extra lenses on me instead.

http://www.amazon.com …o02_s00_i00?ie=​UTF8&psc=1 (external link)


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dtufino
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Mar 11, 2014 17:47 as a reply to  @ KayakPhotos's post |  #608

Wife snapped these of me today!

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Sony A7 + Canon 135mm f/2.5 FL lens

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Nicolas.Goulet
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Mar 12, 2014 05:22 |  #609

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David ­ Arbogast
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Mar 12, 2014 08:26 |  #610

navydoc wrote in post #16751046 (external link)
Do you use any kind of a strap now David? I finally took mine off as it seemed to be in my way a lot. Now I'm using a Lowepro Photo Runner 100 Convertible Beltpack/Shoulder Bag to carry the camera + a couple of extra lenses on me instead.

http://www.amazon.com …o02_s00_i00?ie=​UTF8&psc=1 (external link)

So far, my a7 and a7R have no straps on at all. I just ordered a toploader Lowepro (external link) sized to fit a7+longest lens with lens shade, which I hope will make it easy and comfortable to carry both cameras with lenses attached (one camera in bag and the other in hand). I would just like to have a measure of protection against accidentally dropping the camera in hand.


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gnome ­ chompski
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Mar 12, 2014 13:05 |  #611

Got the OK from the better half to blow my entire bonus on whatever I want. Hookers and cocaine aside, I was thinking about the A7R and either the 55mm or the 35mm primes. Only thing is, I have a S35 EF mount, so would the 35mm Zeiss be worth it in a native mount vs an adapter and my Sigma?

I am a fan of the 50-ish focal length so I think I might just go that route, especially considering the high performance of the Sony?Zeiss 55 1.8


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lens ­ pirate
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Mar 12, 2014 13:26 |  #612

gnome chompski wrote in post #16753415 (external link)
Got the OK from the better half to blow my entire bonus on whatever I want. Hookers and cocaine aside, I was thinking about the A7R and either the 55mm or the 35mm primes. Only thing is, I have a S35 EF mount, so would the 35mm Zeiss be worth it in a native mount vs an adapter and my Sigma?

I am a fan of the 50-ish focal length so I think I might just go that route, especially considering the high performance of the Sony?Zeiss 55 1.8

get the A7R and the Sony 55fe. That is a SUPER sweet combo. Next get a adapter for your EOS -glass. Then last start buying Zeiss MF glass. To me this order of purchase makes the most sense.


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navydoc
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Mar 12, 2014 14:47 as a reply to  @ lens pirate's post |  #613

Someone was asking about how many focus points there are on the a7r. I'm not sure offhand how many points there are for full auto focus but here's a test I did for spot focusing that I thought I'd share.


The spot focus point can be set to large, medium and small sizes. For a test of edge focus, I moved the small focus point to the far right of the LCD screen and took a shot.

I put the camera on the table aligned like I did when I took the photo and then took an image of the LCD screen. Hopefully you can make out the small brackets that show where the spot focus point is. You should be able to see it on my Flickr page at least.

The focus point.

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The image taken.

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small focus point at edge result (external link) by navydoc45 (external link), on Flickr

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stevo8
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Mar 12, 2014 19:35 |  #614

That's no crop? That's pretty far to the edge. I can't see really needing much more than that for stills. Maybe for video tracking though.


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navydoc
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Mar 12, 2014 20:20 |  #615

stevo8 wrote in post #16754229 (external link)
That's no crop? That's pretty far to the edge. I can't see really needing much more than that for stills. Maybe for video tracking though.

No crop. You can see from the shot of the Sony LCD full frame. Also note that the black focus box is on the right side of the shaker top. I was curious so I also moved the focus point straight up from where you see it here and it went as close to the top edge of the frame as it does to the right. I'm very impressed with the amount of area in the frame covered by the small spot focus point.


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