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Which 24 on FF?
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glefebvre View Drop Down
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Posts: 104 		Post Options Post Options   Quote glefebvre Quote  Post ReplyReply Direct Link To This Post Topic: Which 24 on FF?
    Posted: 17 April 2012 at 17:22
I have been thinking of get either the CZ 24 f/2.0 or an older Minolta 24 f/2.8 lens. What I'd like to know for the FF shooter that either have both or used both lenses, is there any vingetting with either of these lens wide open on the A900? If so, which one has the least vingetting?
a900 a700 7D 9 7 7xi 9000 XK X700 XE-7 and Mamiya 645 Pro TL and a boat load of lenses.
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groovyone View Drop Down
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Posts: 4018 		Post Options Post Options   Quote groovyone Quote  Post ReplyReply Direct Link To This Post Posted: 17 April 2012 at 19:13
Big price difference between the two. I think the 24/2 Zeiss is a lot sharper with less vignetting, flare and CA, but U love my Minolta 24/2.8 RS for Infrared. That said, I only paid $200 for my 24/2.8 Minolta and it was definitely worth it.
A99|A900|A100IR|NEX7|Maxxum 7|Polaroid
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GrahamB View Drop Down
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Posts: 1250 		Post Options Post Options   Quote GrahamB Quote  Post ReplyReply Direct Link To This Post Posted: 17 April 2012 at 19:33
Vignetting shouldn't be a concern. It's very easy to automatically remove in post processing, and the newer cameras (a77) remove it for in-camera jpeg's.

The CZ 24 f/2 stays glued to my a850. It's perhaps my favorite lens. Here's a comparrison with several lenses, including the Minolta 24/2.8 by artaphot. Here's a good quote from the article.

"To say it simply: the image quality of the 2/24mm @ f2 is comparable to the image quality of the ZA 2.8/24-70mm @ f 11 – apart from vignetting, of course, which is quite pronounced at f2."

As I said, vignetting is easily removed in post.

Graham
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travelshots View Drop Down
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Posts: 716 		Post Options Post Options   Quote travelshots Quote  Post ReplyReply Direct Link To This Post Posted: 17 April 2012 at 19:47
You can compare the vignetting of both lenses in Kurt Munger's reviews (scroll far down for the fullframe (A900) results.

Minolta 24mm f2.8

Zeiss 24mm f2.0

If you compare them at the same aperture, the Zeisss has less vignetting.

I am using the Zeiss on A77 and A580 and I have also tried it on A900. It is a fabulous lens. I have sold my Minolta 28mm f2.0 for it, which was a good lens, but the Zeiss is simply better, especially wide open.
Mi7000 A700 A580 A77 A99 Samyang8 3.5, 14 2.8, 35 1.4 CZ24 2 So50 1.4 Mi100 2 Cos100 3.5Ma Mi200 2.8 Sig500 4.5 Tok11-16 2.8 CZ16-80 So18-55 Mi28-135 Mi100-300APO So70-400 TC So+Kenko 1.4+2x
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Sublimity View Drop Down
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Posts: 471 		Post Options Post Options   Quote Sublimity Quote  Post ReplyReply Direct Link To This Post Posted: 17 April 2012 at 20:27
Originally posted by GrahamB GrahamB wrote:

Here's a comparrison with several lenses, including the Minolta 24/2.8 by artaphot. Here's a good quote from the article.



Wow.
a850.24ZA.35G.85ZA
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cooperin View Drop Down
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Posts: 152 		Post Options Post Options   Quote cooperin Quote  Post ReplyReply Direct Link To This Post Posted: 17 April 2012 at 20:42
I have the Minolta AF 24 on my A850 and found it has no noticable distortion or vinyetting at f2.8 even with the factory hood attached.

The sweet spots for this lens are from f8-f11. I find this lens sharp at all f stops but very sharp at the sweet spots.

Monolta colors are superb.
richard
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glefebvre View Drop Down
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Posts: 104 		Post Options Post Options   Quote glefebvre Quote  Post ReplyReply Direct Link To This Post Posted: 18 April 2012 at 15:58
Thanks for the info everyone. From what I'm seeing the CZ 24 is sharper then the Minolta 24 but it also is much heavier. Now I just have to decide if I want to traid weight for sharpness.
a900 a700 7D 9 7 7xi 9000 XK X700 XE-7 and Mamiya 645 Pro TL and a boat load of lenses.
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