Pentax SDM Firmware
Dear Pentax, with all due respect with thousands of Pentax users, we have been very disappointed with your DA* lenses containing SDM auto focusing motor for a long time.Thousands of Pentax users from... continue reading »
"Pentax 16-50 f2,8 SDM problem"
"proud owner of a K-7 going for Sigma glass"
"Please, Pentax/Ricoh, use firmware update to allow user to choose between using SDM or Screw drive to drive DA* lenses! Is a simple firmware update like you have in K10, K100 ! 55124 55124"
"Own 16-50, 50-135 - both failed"
"Do it!"
"Enfoque inestable en frio. Lento e inestable en 16-50/2.8 SDM. Algo lento pero acurate en 50-135/2.8 SDM"
"i have both DA*16-50 and DA*50-135 and both having SDM problem. I really hope for a new firmware on my K20D that can switch to use screw-drive AF. If not, its like i'm buying a expensive and useless lens from Pentax. I no longer buy SDM lens/upgrade to K-"
"I completely agree"
"I am a dedicated Pentax user and shameless Pentax promoter. I have been, however, holding out on any DA* purchases until the SDM issue is resolved. I am terrified, based on the numerous reports of SDM failure, of losing AF function in a lens so expensive."
"sdm on 50-135 repaired by pentax on warranty"
"В"
"I have DA 17 -70 , hope the SDMwill not been out of order too early"
