SDM vs Screw AF - PentaxForums.com

11-12-2021, 04:57 PM

Loyal Site Supporter

Join Date: Jan 2011

Location: Perth Western Australia

Photos: Gallery | Albums

Posts: 2,621

SDM vs Screw AF

Not sure if this was mentioned here before.

You Tube

11-12-2021, 05:08 PM	#2
sergysergy Site Supporter Join Date: Jan 2011 Photos: Gallery Posts: 5,170	I believe the author posted it a couple of months ago here in PF. Very nice. Science!

Bookmarks

Tags - Make this thread easier to find by adding keywords to it!

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
Help, screw type for DA lens, broken screw	Jie Li	Pentax SLR Lens Discussion	4	04-19-2020 03:49 PM
K-5 vs MZ-S vs LX vs PZ-1p vs ist*D vs K10D vs K20D vs K-7 vs.......	Steelski	Pentax K-5 & K-5 II	2	06-28-2017 04:59 PM
AF performance 16-85 vs 18-135 vs screw drive on K3?	Tommy	Pentax SLR Lens Discussion	15	06-05-2015 02:27 PM
Screw driven AF cameras. More high end = better screw drive?	Reportage	Pentax DSLR Discussion	13	09-01-2011 08:38 AM
New SDM rear TC, SDM only or SDM + screw drive?	morfic	Pentax SLR Lens Discussion	1	10-01-2008 08:23 AM