At 01:47 4/6/01, C.H. Ling wrote:
Talking about the old version 35-105, I had one before that had some
problem, the aperture does not close fast enough, if you stop down it
by hand it is okay, if you set the shutter speed at 1/30s or above the
aperture does not fully stop down during exposure. It was due to the
closing mechanism is linked with a spring not directly connected with
hard metal. Does your guy found the same problem?
C.H.Ling
Not certain of you were asking me about this. Mine is apparently an older
version (perhaps only mechanically ??) of the lens, although it is
definitely multi-coated. Aperture blades stay wide open . . . fully
retracted . . . at all apertures until the shutter fires . . . as Frieder's
does. No sluggishness or hesitation.
I bought it with apprehension about a 3X zoom range and the high number of
elements (especially compared to a prime). It has been a very pleasant
surprise. I do not have adequate equipment to test its resolving
power. It would be more accurate to say it produces images with
exceptionally high acutance, a perception of resolution from a combination
of resolution and contrast.
If I'm somewhere (especially outdoors) and more than one lens is completely
impractical, this is the one that's used. I also found that proper
dioptric correction on the viewfinder greatly improved focusing with this lens!
-- John
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