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ZE 21 vs. CY 21

JameelH
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p.1 #1 · ZE 21 vs. CY 21

Has anyone done this to see in what ways the new ZE 21 is better than the CY from the perspective of IQ - CA, distortion etc. CY is plenty sharp already.

thanks.

Nov 02, 2009 at 06:56 PM

philber
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p.1 #2 · ZE 21 vs. CY 21

Zeiss talk about improved resitance to CA and flare. My experience with a ZE lends credence to this, but I never used a C/Y 21 for comparison. It is fair to say that my 3 C/Y lenses (25, 135, 180) are much more prone to these issues than my ZE 21 but that is only an indication at best, not a fair and scientific comparison.

Nov 02, 2009 at 07:02 PM

trifox
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p.1 #3 · ZE 21 vs. CY 21

Zeiss talk about improved resitance to CA??

I haven't noticed any CA on C/Y version so far ..

Nov 02, 2009 at 10:04 PM

philber
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p.1 #4 · ZE 21 vs. CY 21

They don't say "compared to C/Y", they just say "improved"...

Nov 02, 2009 at 11:05 PM

martin.egger
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p.1 #5 · ZE 21 vs. CY 21

When I look at some of the pictures with the new ZE 21 presented here in the forum, I would say that the new ZE has a much better resistance against flare than my original CY 21.

Nov 03, 2009 at 07:24 AM

TimSelim
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p.1 #6 · ZE 21 vs. CY 21

I can only comment about the ZF21 not ZE21, but by all accounts the ZF and ZE use exactly the same optics so hopefully this will help.

I have a ZF21 and a CY21, and in terms of overall IQ they are about as good as each other IMO. There are slight differences between them, as described in these threads among others -

http://www.fredmiranda.com/forum/topic/766524/0#7029256
http://www.fredmiranda.com/forum/topic/768584/1#7039716

Leaving ease-of-use aside (ZE on a Canon body should win that one), whether one or the other is really 'better' in any area comes down to personal preference.

Nov 03, 2009 at 11:33 AM

jjlphoto
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p.1 #7 · ZE 21 vs. CY 21

Digloyd had a review I read when the ZF came out. Apparently, the composition of the glass has a different formula than the CY version (probably due to lead and other heavy metal regulations, RoHS, etc). Depending on what he was shooting, he sometimes noticed a strange, barely noticeable, cyan cast that covered what we refer to as the "Zone C" area.

Nov 03, 2009 at 02:27 PM

TimSelim
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p.1 #8 · ZE 21 vs. CY 21

Good point - with the ZF21 there is a cyan cast in the corners of the frame. The same can be seen in the ZE21 samples posted elsewhere on this board. The CY21 doesn't have this problem.

Nov 03, 2009 at 03:30 PM


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