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Archive 2014 · 24-25mm lens for A7r

  
 
briantho
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p.2 #1 · p.2 #1 · 24-25mm lens for A7r


I'll just post these here for reference.

These are some test shots I took today with the Sony Zeiss ZA24/F2 and the APS-C E24/1.8 on A7R.

Original size photos available on flickr. In short I think the ZA24/2 is pretty good, but the E24/1.8 has much better resolution (as expected), and shows the potential of a future FE24 lens.

ZA24/F2 Corners @f8

Sony Zeiss 24 F2 ZA on A7R test by briantho, on Flickr

Sony Zeiss 24 F2 ZA on A7R test by briantho, on Flickr

ZA24/F2 @f2

Sony Zeiss 24 F2 ZA on A7R test @f2 by briantho, on Flickr

ZA24/F2 @f8

Sony Zeiss 24 F2 ZA on A7R test @f8 by briantho, on Flickr

E24/F1.8 @f1.8

Sony Zeiss E 24 F1.8 ZA on A7R test @f1.8 by briantho, on Flickr

E24/F1.8 @f8

Sony Zeiss E 24 F1.8 ZA on A7R test @f8 by briantho, on Flickr



Sep 13, 2014 at 02:45 PM
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p.2 #2 · p.2 #2 · 24-25mm lens for A7r


It looks like the 16-35 is large and heavy. There should be a 24mm from Sony next year. I bought the FE35 when I bought the A7r, and have yet to use it. My wife, however, has used it to good effect on a Nex7. I just have readjust my thinking to see the 35mm as wide angle.


Sep 13, 2014 at 08:37 PM
carstenw
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p.2 #3 · p.2 #3 · 24-25mm lens for A7r


Which 16-35 is large and heavy, the Canon 16-35/4L?


Sep 14, 2014 at 02:42 AM
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p.2 #4 · p.2 #4 · 24-25mm lens for A7r


Sony that will be announced tomorrow according to Sony Rumors.

http://www.sonyalpharumors.com/



Sep 14, 2014 at 08:49 AM
Steve Spencer
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p.2 #5 · p.2 #5 · 24-25mm lens for A7r


It looks to me (from the picture so these are very rough estimates) like it will have a diameter of about 70-75mm and a length of about 80-90mm. I would guess that means a weight of about 500g + or - 100g or so. That certainly isn't small, but not huge either, but maybe these estimates are way off.


Sep 14, 2014 at 10:47 AM
Peire
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p.2 #6 · p.2 #6 · 24-25mm lens for A7r


Try Zeiss ZE/ZF Distagon 25/2.8.Here on the A7.
http://zeissimages.com/gallery/951/U951I1388220962.SEQ.3.jpg
http://zeissimages.com/gallery/951/U951I1404805210.SEQ.0.jpg




Sep 14, 2014 at 11:51 AM
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p.2 #7 · p.2 #7 · 24-25mm lens for A7r


Steve, it takes a 72mm filter; the Canon and the Nikon take 77mm filters. They are 88 x112mm, 640g and 83 X123mm, 680g respectively. Eyeballing them, I would say Sony has tried to miniaturize, but it looks to me that it is going to be over 100mm in length, perhaps nearly as long as the Canon. It will probably be lighter. But we are running up against the laws of optics. I may wait for a nice 24 or 21mm. If it is going to overwhelm the lightweight camera anyway, I may just bo for a 24mmTSE, and figure that it is a mini-view camera, which will always be used on a tripod.


Sep 14, 2014 at 11:57 AM
JonPB
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p.2 #8 · p.2 #8 · 24-25mm lens for A7r


It looks about the same size as my 21-35/Speed Booster combo, which is 93mm from the flange, about 75mm wide, and about 700g. This handles well on my NEX-7; with the camera resting against the base of my thumb, where the webbing of my thumb & index finger supports the adapter, my fingers fall nicely to the control rings. I will often support the camera entirely with my right hand if I'm making large adjustments, and the lens is too heavy to shoot like that with good stability, but the support-the-lens position works great to fine tune the shot, whether at waist- or eye-level. Honestly, adjusting the three dials might become difficult if the lens were any smaller. I suspect the size of Sony's 16-35 will only be an issue when the camera is packed up; in the field, it will be a non-issue, though it is pushing that limit for a 2-ring lens.

As far as 24mm lenses go, I'd say that no lens offers an across-the-board solution. Older, pre-aspheric lenses, for all their faults, still have the best almost-in-focus rendering; I'd happily put up a ca. 1970 Takumar 24/3.5 against the current Zeiss 25/2 for bokeh purposes. Newer lenses, though, are several-times-over substantially better when it comes to in-focus subjects. Come to think of it, 24mm would make a great test-case for a brief article on the recent history of optical design, simply because they all entail visible sacrifices. The question is, which sacrifices make the most sense for how you want to shoot?

Cheers,
Jon



Sep 14, 2014 at 01:29 PM
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