From: eckinator
Since I dunno OTTOMH does it have screw at all?
SWAG - I'm guessing that it does not, based DP Review of the only Pentax
SDM lens they reviewed (so far), the DA* 55mm F1.4 SDM
DPReview says:
"However the lens lacks Pentax's traditional screw-drive focus coupling,
and the AF motor is powered by 2 contacts inside the lens mount, which
are absent from bodies older than the K10D of late 2006. Essentially
this means that the lens won't autofocus on the *ist series DSLRs, or
the K100D and K110D."
Wondering with regard to the assumption expressed by parts of forum
world that it could be a SDM and screw convergence point issue.
TIA
Ecke
2010/1/21 William Robb <[email protected]>:
> Well kids, my 60-250 appears to be in the early stages of AF Crapola.
> It's worked hard for me, sitting in the gadget bag. I've probably used it
> less than half a dozen times.
>
> William Robb
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