I don't think Tokina makes lenses in Pentax mount anymore.
On 8/22/2013 9:06 AM, Zos Xavius wrote:
Does the tokina variations of these lenses have SDM like the 50-135?
If it were me I would just use the screw drive. SDM sucks anyways. I'd
be thankful pentax put in a screw drive for backwards compatibility, I
imagine they will get away from SDM entirely with new lenses.
On Thu, Aug 22, 2013 at 7:42 AM, SV Hovland <[email protected]> wrote:
I have tested this on my own K-7 and DA*16-50. I wanted to find out if this is a good
solution for me and I did the test before the warranty went out. I found it to be
perfectly good. It focuses just as fast as SDM, but with more noise of course. So I
decided to not send my lens in and complain about slow SDM after all. I could wait to
complete break down and continue with the "old" focusing instead.
Regards
Stig Vidar Hovland
________________________________________
Fra: PDML [[email protected]] på vegne av Boris Liberman
[[email protected]]
Sendt: 22. august 2013 09:09
Til: Pentax-Discuss Mail List
Emne: Re: Giving up on Pentax (probably)
Well, it was easier than I thought.
Here is the link:
http://www.pentaxforums.com/forums/pentax-slr-lens-discussion/208353-how-deactivate-sdm-silent-autofocus-allow-screw-drive-autofocus-da-16-50mm-f-2-8-a.html
On Thu, Aug 22, 2013 at 9:49 AM, Chris Mitchell
<[email protected]> wrote:
Hi all
The last straw has been that my DA* 16-50 has stopped auto-focussing
again. The internal motor was replaced a couple of years ago (so out
of warranty) and now it looks like there's another couple of hundred
quid to be spent on it. And yes, I've cleaned all of the contacts and
yes, my DA* 50-135 works OK on my only remaining K-7 body.
So the decision's nearly made to sell off the K-7, DA* 16-50 (either
repaired or as is), DA* 50-135, a lovely F*300 4.5 (the one with the
tripod mount), an FA-135 2.8 (probably my favourite lens ever) and an
FA-50 1.7. I'll put the proceeds towards a backup Fuji X body and get
the excellent 55 - 200 zoom to cover the long end of the range and to
sit alongside my growing collection of Fuji X primes. I'll keep a
number of MF lenses so may still be able to appear in the PDML
annual...
Any guidance on how to price? Or if anyone's interested in making me
any sensible offers, contact me off list and I'll get more details and
photos arranged and we can sort out logistics.
Yours sadly, Chris
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