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Archive 2013 · Sony A7 and A7r Full Frame with Canon Lenses

  
 
Paul Mo
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p.17 #1 · Sony A7 and A7r Full Frame with Canon Lenses


jctriguy wrote:
...but experts are often looking for less interference.


Totally. Just give us quality optics and great sensors - we'll take care of taking the pictures.



Oct 22, 2013 at 09:50 PM
artd
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p.17 #2 · Sony A7 and A7r Full Frame with Canon Lenses


Pixel Perfect wrote:
See even with a an A&r, I'd still want 3 lenses with me for a hike including UWA zoom, 24-70, 70-200, so saving 400-500g on the body isn't a big deal in the great scheme of things and the native Sony FE glass isn't smaller lighter or cheaper.

If I really want to travel light I'll take a m4/3 camera and 2 lenses and all that weighs less than my 5D III alone. FF mirrorless isn't really the answer for small lightweight kits IMO. The real benefit is if you are using FF mirrorless with say a smaller pancake and
...Show more
But, an A7r and two small lenses will be about the same as that m4/3 kit. And with a bigger sensor.

And conversely, you can't take a m4/3 camera and get full frame performance from it no matter what lens you put on it.



Oct 22, 2013 at 11:19 PM
mttran
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p.17 #3 · Sony A7 and A7r Full Frame with Canon Lenses


Eye Detection in Sony A7R: http://diglloyd.com/blog/2013/20131022_3-SonyA7r-eye-detection.html


Oct 23, 2013 at 03:45 PM
Glenn NK
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p.17 #4 · Sony A7 and A7r Full Frame with Canon Lenses


artd wrote:
But, an A7r and two small lenses will be about the same as that m4/3 kit. And with a bigger sensor.



Would that be with two small Canon lenses, say the 24-70 f/2.8 and the 70-200 f/2.8?

Glenn



Oct 23, 2013 at 06:40 PM
EB-1
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p.17 #5 · Sony A7 and A7r Full Frame with Canon Lenses


mttran wrote:
Eye Detection in Sony A7R: http://diglloyd.com/blog/2013/20131022_3-SonyA7r-eye-detection.html


Is the assumption still that the camera is photographing humans? How does it work with birds?

EBH



Oct 23, 2013 at 06:51 PM
jctriguy
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p.17 #6 · Sony A7 and A7r Full Frame with Canon Lenses


EB-1 wrote:
Is the assumption still that the camera is photographing humans? How does it work with birds?

EBH


And how does it improve focus? It will be a slower system to focus. By the time it has locked onto the eye, you will have swayed and the model will have swayed. Sounds like a total gimmick.



Oct 23, 2013 at 08:17 PM
Paul Mo
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p.17 #7 · Sony A7 and A7r Full Frame with Canon Lenses


It always is.


Oct 23, 2013 at 08:24 PM
Pixel Perfect
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p.17 #8 · Sony A7 and A7r Full Frame with Canon Lenses


I think it's compelling that Sony is releasing slower than normal lenses at least initially, to reinforce how small this camera is. 35 f/2.8 rather than 35 f/2, 55 f/1.8 rather than 55 f/1.4, 24-70 f/4 rather than 24-70 f/2.8 and a slow ass 28-70 f/3.5-5.6. If this had been released with the the 1 stop faster variants, all of a sudden it wouldn't look so small. I wonder if they will persist with slower glass or wait until the honeymoon is over and enough people are enamoured with their fairly small kit and then unleash larger, heavier faster lenses or just assume those that want that will use adapters and whatever glass they have?


Oct 23, 2013 at 09:06 PM
snapsy
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p.17 #9 · Sony A7 and A7r Full Frame with Canon Lenses


If anyone is curious here is what the Metabones EF -> NEX Smart Adapter III looks like when mounted on a Sony NEX-5N (APS-C NEX) with a Canon 35mm f/2 IS lens:

http://horshack.smugmug.com/photos/i-4gvCmXR/0/L/i-4gvCmXR-L.jpg

The adapter has two modes, a "green" mode where AF is supported and the aperture is always wide open until shooting (no DOF preview). The AF speed is not bad actually - I'd say it's a bit faster than the LV AF on most DSLR bodies. The other mode is "Advanced", where there is no AF but the NEX's magnify view auto-engages whenever you turn the focus ring on the lens, and there is full-time DOF preview (aperture is always stopped down although you can temporarily revert it to wide-open via a button on the adapter). Metabones says the "green" mode has lower power consumption than the "Advanced" mode.

Here is a photo taken with the 5N+35mm f/2 IS at f/2, hand-held at 1/10 ISO 800:

Full-size 16MP image



Oct 23, 2013 at 09:15 PM
Douglas L
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p.17 #10 · Sony A7 and A7r Full Frame with Canon Lenses


Not sure if this has been posted before. Too sharp?

http://www.dyxum.com/dforum/my-first-result-with-a7r_topic102199_post1221899.html#1221899



Oct 23, 2013 at 09:26 PM
johnctharp
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p.17 #11 · Sony A7 and A7r Full Frame with Canon Lenses


You know, it's not hard to imagine a mirrorless APS-C camera with an FF DSLR lens adapted- it's the same size as a DSLR, just with nothing to hold on to. If Canon put real controls and AF on the SL1...

I have to imagine that while there won't be a huge size/weight savings with native FE glass, it'll still be substantial enough to be noticed, versus using an adapted FF lens.



Oct 23, 2013 at 09:27 PM
gdanmitchell
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p.17 #12 · Sony A7 and A7r Full Frame with Canon Lenses


Cameras using this technology have been used by expert photographers and videographers to capture photographs of subjects that cannot be anticipated.

This isn't a question of expertise. (That argument could as well be used to reject digital SLR cameras, 35mm cameras, handheld cameras, roll film...)

Dan

jctriguy wrote:
I'll take a camera that doesn't do that, thanks.

Automation and gimmicks are only good if they are useful and reliable. Even with current tech, cameras and electronics can be 'too smart'. Less experienced users sometimes like the assistance, but experts are often looking for less interference.




Oct 23, 2013 at 09:28 PM
mttran
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p.17 #13 · Sony A7 and A7r Full Frame with Canon Lenses


kdrk888 wrote:
Too sharp?

http://www.dyxum.com/dforum/my-first-result-with-a7r_topic102199_post1221899.html#1221899


Maybe too sharpy for me. Something that I have never seen in my canon bodies



Oct 23, 2013 at 09:47 PM
mttran
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p.17 #14 · Sony A7 and A7r Full Frame with Canon Lenses


EB-1 wrote:
Is the assumption still that the camera is photographing humans? How does it work with birds?

EBH


Really don't know...hard to say at this point in time...but I have a feeling that all canon lenses focus shift issues will be disappeared with these A7(r) bodies



Oct 23, 2013 at 09:53 PM
Pixel Perfect
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p.17 #15 · Sony A7 and A7r Full Frame with Canon Lenses


mttran wrote:
Maybe too sharpy for me. Something that I have never seen in my canon bodies

http://p11997.ipscdn.com/public/style_emoticons/default/eek2.gif

Fuck me, as they are SOOC jpg.That's insane. He maybe needs to try sharpness 0 or -1 for portraits. Luckily the model has flawless skin. This is not the camera to take photos of grandma with and start posting 100% crops to her facebook page.

Now let use see some macro and landscape shots with that same lens.



Oct 23, 2013 at 10:00 PM
snapsy
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p.17 #16 · Sony A7 and A7r Full Frame with Canon Lenses


Pixel Perfect wrote:
Fuck me, as they are SOOC jpg.That's insane. He maybe needs to try sharpness 0 or -1 for portraits. Luckily the model has flawless skin. This is not the camera to take photos of grandma with and start posting 100% crops to her facebook page.

Now let use see some macro and landscape shots with that same lens.


The D800 has the same issue. The acuity can be very unflattering to human subjects and requires some PP.



Oct 23, 2013 at 10:03 PM
galenapass
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p.17 #17 · Sony A7 and A7r Full Frame with Canon Lenses


kdrk888 wrote:
Not sure if this has been posted before. Too sharp?

http://www.dyxum.com/dforum/my-first-result-with-a7r_topic102199_post1221899.html#1221899



Reminds me of early D800 photos, when that camera was introduced. Impressive.



Oct 23, 2013 at 10:03 PM
Pixel Perfect
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p.17 #18 · Sony A7 and A7r Full Frame with Canon Lenses


snapsy wrote:
The D800 has the same issue. The acuity can be very unflattering to human subjects and requires some PP.


Luckily I'm not much into portraits as I'd have to start using Gaussian blur a lot more.

Now for birding feather detail will be amazing. Hmm A7R and 500 f/4 might also be worth trying out!



Oct 23, 2013 at 10:06 PM
mttran
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p.17 #19 · Sony A7 and A7r Full Frame with Canon Lenses


Samyang offers all E-Mount for what they have available now in FF. Please, make a note of this


Oct 23, 2013 at 10:07 PM
galenapass
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p.17 #20 · Sony A7 and A7r Full Frame with Canon Lenses


Pixel Perfect wrote:
Luckily I'm not much into portraits as I'd have to start using Gaussian blur a lot more.

Now for birding feather detail will be amazing. Hmm A7R and 500 f/4 might also be worth trying out!


AF will probably be crap. However, I often stake out GHO nests and manual/or slow focus would do just fine in that particular instance. A7r would be perfect!



Oct 23, 2013 at 10:09 PM
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