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.
2. Double cam lens barrel sucks. Totally does not inspire any confidence.
3. 16 mm is wide in a way that I forgotten. This is good.
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.
6. IQ is there. Fully open it is fully useable.
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?
All in all - it was a good purchase. I plan to make this lens my work-horse.
Boris
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