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Thread started 16 Oct 2013 (Wednesday) 01:31
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Sony's first FF mirrorless?

 
jdizzle
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Oct 20, 2013 03:50 |  #106

airfrogusmc wrote in post #16382846 (external link)
Waiting to see how the adapter works. Could be some vignetting issues with M lenses to.

JD don't you have a set up that you don't need to worry about any of that with? ;):D

I do. It's nice to have options. :)




  
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Kolor-Pikker
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Oct 20, 2013 04:15 as a reply to  @ jdizzle's post |  #107

kiss-o-matic wrote in post #16384304 (external link)
I'm waiting to hear how the auto focus is. I'm an RX1 owner and while the high ISO processing is great, the AF in non-perfect light is bad, and awful in low light. Enough to make me not want to bother sometimes. If the AF is improved, I'll sell my RX1 and hopefully get the A7r + lens combo for not too much more. Still not sure though. Not really shooting digital that much these days. If there's a Leica M-mount adapter, then I may not bother with any of the native lenses assuming manual focus is intuitive.

From what I've read around the net, the A7r's 25-point contrast AF is claimed to be somewhat better than the RX1/RX100, though by how much remains to be seen... it likely won't matter too much for my purposes.

airfrogusmc wrote in post #16382846 (external link)
Waiting to see how the adapter works. Could be some vignetting issues with M lenses to.

New test results in for the A7:

Sony a7 torture test with Leica, Zeiss, Voigtlander rangefinder lenses (external link)

A couple of disclaimers:
1. Overcast light, ISO400, Jpeg (would make even a Leica look bad)
2. The A7 likely doesn't have the same offset pixels of the A7r

Short of it is - if you wanted to use your rangefinder and super wide adapted lenses on the A7, you may want to consider the A7r instead.


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andrikos
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Oct 20, 2013 05:14 |  #108

From the review above:

"My take on the results: I’m hoping these lenses will fare better on the a7R. Results on the a7 are for the most part disappointing. All I can surmise at the moment is that the toppings on the a7′s sensor work against achieving optimal (or in some cases, good enough) results with the rangefinder lenses I had available for this test."

Well that was disappointing.


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Shadowblade
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Oct 20, 2013 05:49 |  #109

andrikos wrote in post #16384428 (external link)
From the review above:

"My take on the results: I’m hoping these lenses will fare better on the a7R. Results on the a7 are for the most part disappointing. All I can surmise at the moment is that the toppings on the a7′s sensor work against achieving optimal (or in some cases, good enough) results with the rangefinder lenses I had available for this test."

Well that was disappointing.

In other words, stick to retrofocus wide-angle lenses.

That said, some of those lenses don't even work too well on Leica digital bodies.




  
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Refill
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Oct 20, 2013 09:35 as a reply to  @ Shadowblade's post |  #110

Let's hope Sony and Canon have come to some secret agreement, and while Sony can use Canon lenses, some technology transfer will take place at the sensor level?




  
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airfrogusmc
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Oct 20, 2013 09:44 |  #111

jdizzle wrote in post #16384375 (external link)
I do. It's nice to have options. :)

:D Yes it is!!!!




  
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Ginga
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Oct 20, 2013 09:45 |  #112

Refill wrote in post #16384753 (external link)
Let's hope Sony and Canon have come to some secret agreement, and while Sony can use Canon lenses, some technology transfer will take place at the sensor level?

A cute thought, but I can assure you it doesn't work like that.


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BrickR
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Oct 20, 2013 10:49 |  #113

There are supposed to be a lot of lenses for this in 2014, I can only hope they aren't in the $1000 55mm 1.8 range! And the 35 is only 2.8?!?! The $1200 24-70 is only f4. I have no idea how Sony comes up with these lenses. Sony has proven they have a little trouble understanding the concept of fast primes and the pricing is usually outlandish. They practically beg you to adapt other manufacturers' lenses.
This is where I hope purchasing Olympus starts to pay dividends.


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Oct 20, 2013 11:17 as a reply to  @ BrickR's post |  #114

Chris Niccolls from TheCamera StoreTV, used a Metabones adapter with a 17-40L Canon lens @17mm and had no problems. Therefore, I hope this is the case for the rest of the EF line.


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StudioAbe
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Oct 20, 2013 11:36 |  #115

peteg1 wrote in post #16384932 (external link)
Chris Niccolls from TheCamera StoreTV, used a Metabones adapter with a 17-40L Canon lens @17mm and had no problems. Therefore, I hope this is the case for the rest of the EF line.

That's encouraging. I am eagerly awaiting for a report on how much of a shift will the setup allow before vignetting begins to set in when TS-E17 and to a lesser extent TS-E24 are attached.



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jdizzle
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Oct 20, 2013 11:58 |  #116

peteg1 wrote in post #16384932 (external link)
Chris Niccolls from TheCamera StoreTV, used a Metabones adapter with a 17-40L Canon lens @17mm and had no problems. Therefore, I hope this is the case for the rest of the EF line.

That's great. Now the only confirmation I need is with the UWA TS lenses.




  
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peteg1
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Oct 20, 2013 12:01 |  #117

Mu Eugene wrote in post #16384971 (external link)
That's encouraging. I am eagerly awaiting for a report on how much of a shift will the setup allow before vignetting begins to set in when TS-E17 and to a lesser extent TS-E24 are attached.

I preordered the A7r, when it comes in my TS-E24 will be one of the first lenses I test. If my Canon lenses don’t work out the A7r will go back, there’s no reason for me to keep it.


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kiss-o-matic
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Oct 20, 2013 23:07 |  #118

Kolor-Pikker wrote in post #16384391 (external link)
From what I've read around the net, the A7r's 25-point contrast AF is claimed to be somewhat better than the RX1/RX100, though by how much remains to be seen... it likely won't matter too much for my purposes.

Yeah, that means I'm still in the "wait" camp. That doesn't sound reassuring. The RX1 is in the same ball park as the 5d2 in terms of AF. I understand the camera is small, but I don't always shoot in perfect light. Rarely shoot in perfect light is more like it. :)

It's not a total deal killer... if retro lenses work well I can always hyper focus or manually focus, but not sure if it's worth the dough at that point.




  
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Charlie
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Oct 20, 2013 23:18 |  #119

well the 55 looks very very sharp wide open. Too bad it's not 1.4, that would have been a sure win.


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Shadowblade
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Oct 20, 2013 23:29 |  #120

Charlie wrote in post #16386380 (external link)
well the 55 looks very very sharp wide open. Too bad it's not 1.4, that would have been a sure win.

You can still get the 55/1.4 in Canon or Nikon mount and use an adapter.

I think the Sony full-frame lenses are being designed for small size more than anything else...




  
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