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AhamB
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Re: The new 25mm f2 Distagon ZF


Gunzorro wrote:
I believe spherical aberration and light fall-off are related. No?


I don\'t believe so. SA is related to light fall-off within blur discs, but not specifically to fall-off across the frame.

Vignetting: http://toothwalker.org/optics/vignetting.html


Also: I\'m done discussing the 25/2 unless more interesting shots closer to true infinity (more representative of classical landscapes) are posted. This thread is turning into all-fluff.



Jan 13, 2012 at 01:48 AM
AhamB
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Re: The new 25mm f2 Distagon ZF


Gunzorro wrote:
I believe spherical aberration and light fall-off are related. No?


I don\'t believe so. SA is related to light fall-off within blur discs, but not specifically to fall-off across the frame.

Vignetting: http://toothwalker.org/optics/vignetting.html



Jan 13, 2012 at 01:30 AM





  Previous versions of AhamB's message #10242879 « The new 25mm f2 Distagon ZF »