Pentax SDM Firmware

"My DA*50-135 SDM is still workingand it but it is not reliable all the time,sometimes refuse to focus, and it take long time for autofocus to wake up.This lens was used not to many times,never abused and its stored in dry box.(I can say it is like new).Li"

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"I have a problem with my Pentax SDM lens"

"Increase Guarentee on SDM Lenses... Option to Work on screwdrive."

"I own 2 DA* SDM lenses and will not buy another until this failure issue is addressed."

"I got my DA * 300 f4 Pentaxz in January 2010, purchased direct from BHphoto. From the first day I used it I realized that the lens had problems, worked right now and sometimes did not work properly and focus dragged and made a noise. I am photographing wo"

"I purchased my 50-135 DA* in May of 2008. Have experienced 3 SDM failures since. I would be very happy with firmware change as requested by this petition. Please do it and make a lot of Pentax users happy."

"My DA* 50-135 had a broken SDM-contact. Until Pentax (generously) repaired it the lens was useless until I was able to downgrade the K10D firmware with an unofficial fix. Allthough my K10D is happy history now the problem remains with my K20D ... a firmwa"

"I would love to buy Pentax lenses but after reading the horrible reviews I always end up buying third party lenses - better firmware could may avoid this."

"Pentax listen to your customers !!!My two and half year old DA 16-50mm 2.8 SDM failed , lens is useless on my K7.Will I buy Pentax again ? nope"

"Love my Pentax"

"Dear Pentax, thank you in advance!"

"The SDM problems are preventing me from getting the 50-135, I had to cancel my order because I was too worried."