Based on the results I obtained with the OM wides on 5D II, I don't think
the angle of incidence really made a big trouble to the edge image quality,
for any problem it seems from the lens itself. For example the edge quality
of 24/2 is quite good, the sudden drop of corner quality could be due to
image circle too tight, I highly believe it is intented to do so for cost
saving.
Sample of 24/2 at F4, 5D II, no sharpen applied:
http://www.accura.com.hk/temp/IMG_1761-24F2atF4.JPG (3.6MB)
The incidence angle of DZ doesn't seems much better than the old OM lenses,
it can be seen from the small diameter of the rear lens element of the DZ
lenses.
C.H.Ling
----- Original Message -----
From: "Jez Cunningham"
> Don't you think the angle of incidence on the digital sensor creates
> problems not found with film?Jez
>
> On Mon, Sep 28, 2009 at 11:08 AM, C.H.Ling <ch_photo@xxxxxxxxxxxxx> wrote:
>
>> Sorry, I mean "I don't think the 4/3 lens is more difficult to make than
>> a
>> FF lens".
>>
>> C.H.Ling
--
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