First time I'd ever turned the aperture ring on either of them by
hand ... they've always been on the "A" setting for my use with the
DS bodies. The F50/1.7 ring is definitely a lighter click-stop feel
than the FA50/1.4, although once mounted on a body I don't find the
difference very noticeable.
Both work perfectly, so I doubt there's anything to worry about.
Godfrey
On Jan 1, 2006, at 3:53 PM, Igor Roshchin wrote:
I didn't have much time to play with it yet, but it seems to be fine.
I have one concern: when I turn the aperture ring - each step has
a substantial resistance, much more substantial than that with any
other lens I own, including SMC F-50/1.7.
I don't know how to explain this clearly, but
when I am turning the ring from one
end to another one in one motion (and I don't mean the "A" setting
that requires the little button to be pushed down),
it feels as if I am somewhat forcing it to go through each step,
while with the F-50/1.7- it also click, but has a more uniform
resistance.
The difference is especially noticeable when I am doing that slowly.
So, the FA feels more like a rachet tool..
If I set the aperture to "A" position, and play with the lever -
the operation is smooth (although just a bit noisier than that of the
f-50/1.7, - but that is probably due to 8 blades as opposed to 6
blades).
With the DS I don't really need the aperture ring, but I am just
worrying
if that's a sign for something else not being ok.
So, do you have any thought and ideas if should worry about this, or
how I can test what is causing this behavior (am I just paranoid)?
