On 11-10-04 3:05 PM, Boris Liberman wrote:
Hi!
Picked up the medium size (as opposed to little) bugger from the post
office today. Few immediate impressions:
1. Sorry, Paul (Stenquist), SDM is slower than screw-driven AF. It is
completely silent (as in no sound that I can hear) but it is slower
and under few tungsten lamps it did hunt a bit.
I don't mind that tradeoff, but I don't shoot action.
2. Double cam lens barrel sucks. Totally does not inspire any confidence.
If this helps, I've had mine since August 2008, and it's still 100%
fine. Been used a lot, especially for art gallery openings along with a
flash. It's perfect for close quarters indoors, but it gets bumped and
manhandled.
It's solid, dude.
3. 16 mm is wide in a way that I forgotten. This is good.
Perfect for classic car meets where they're all parked in parallel rows
and sight-lines are crappy.
4. Albeit slower than screw driven, AF is accurate. No issues with
infinity or close focus.
5. Hood is solid, better than other hoods on other f2.8 zoom lenses I
had or have.
I have trouble getting mine on sometimes. Seems to snag on me, but once
on it's solid.
6. IQ is there. Fully open it is fully useable.
At both ends of zoom range too.
A question. My sample has slightly uneven rotation of zoom ring
whereas in the middle (around 24-28 mm) it gets a bit harder to
rotate. And when I rotate it, it produces a strange sound, as if some
kind of air is being sucked or whatever. Am I right to assume that it
has to do with WR mechanism which makes this lens a bit more air tight
than its non-WR counterparts?
When zooming in (ie tele) from 16mm, at about 28mm mine changes feel. I
assume it's a gear shift just there. Don't notice anything zooming wide.
No sound.
All in all - it was a good purchase. I plan to make this lens my
work-horse.
Boris
Great choice, Boris. You'll love it.
-bmw
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