: yeah, I realized that after I posted. I'm surprised that the large B300
for
: the IS 3000 would vignette, since it is a 55mm thread, and using it on a
49mm
: thread lens would seem to leave plenty of radial space for full aperture.
Well it was designed for a 180mm lens, so the fact that it also can be used
in the 80-180 range is already a big bonus.
: Dang. I was really hoping for a neat-o 85mm/f1.4! (50mm+B300)
:
: Is the vignetting at all apertures or just wide open??
Strangely enough vignetting even gets worse when you stop down. On the
50/1.2 results wide open are maybe acceptable, it probably isn't even worse
than a 24/2 ;) but stopped down vignetting turns into a real heavy tunnel
effect; I'ld say from grade D into grade Z...
hnz
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