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 »
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"I'm signing though I've had no problems with my SDM lenses. The option to use screw drive with an SDM lens would also allow the use of screw drive Teleconverters with DA* tele lenses. Since Pentax does not currently offer an AF TC, this would allow 3rd pa"
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"i really wanted the da 16-50 and 50-135 combo, due to sdm issues i bought a tamron 17-50 and now leaning twoards a tamron 70-200 2.8 instead of the 50-135 again because of the sdm issues,"
"Both my 16-50 and my 50-135 have needed new SDM motors within the first year! I won't be buying any more SDM lenses without a fix."
"I WANT to invest in DA* glass but CANNOT until this ridiculous SDM issue is dealt with, have some business ethics please and address this exceedingly high continued failure rate please"
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"Noisey hesitant SDM DA 50-135mm"
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"and some FAST glass would be nice too."
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