How to repair Pentax lens SMC DA* 50-135mm F2.8 ED AL [IF] SDM with focus problem

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In this video you can see how to repair Pentax lens SMC DA* 50-135mm F2.8 ED AL [IF] SDM with focus problem. Original spare parts used.-
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» Length: Long (14+ Minutes)
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#Pentax #Lens #Repair

[@bobbystech]

Your work is so perfect and clean… Keep it up… Thank you very much for sharing knowledge my dear brother

[@DIGISERVICEBG]

Thank you!

[@georgekaramolegos5345]

Good job peter

[@DIGISERVICEBG]

Thank you!

[@Nomadicnepali686]

great

[@DIGISERVICEBG]

Thank you!

[@Riverrockphotos]

My SMC DA 50/135 lens motor just died. This must be a common problem. Pentax should fix for free. IF it wasn't for the unsolder I would do it my self to fix. This lens was not cheap brand new and I have only had it for like 10 years and not daily use either.

[@DIGISERVICEBG]

Hi send the lens to us :)

[@sebastiendurbin7087]

Please help...Looking for someone to fix this problem on my 50-135, i live in France.

[@DIGISERVICEBG]

Hi send the lens to us :)

[@haroonmet]

Hi, I have the same lens and its focus ring won’t work along with the focusing motor that won’t focus as well. The latter is SDM failure I believe but what about the focus ring which won’t turn manually as well? Any suggestion?

[@DIGISERVICEBG]

Hi, there is something wrong with the focus gear

[@haroonmet]

@@DIGISERVICEBG can it be repaired or it is better to use the optics etc. as spare parts. What should I do?

[@chuckdavidson5483]

Is the new replacement motor an improved design?

[@DIGISERVICEBG]

Hi yes it is :)

[@Riverrockphotos]

@@DIGISERVICEBG OF course they know its a problem then. Why are there not bearings in the original motor?

[@nofast7184]

Good morning, my lens start to make problems. Autofocus is sometimes not working. Where can I get replacement motor and (if needed) where can I get the balls?

[@DIGISERVICEBG]

Hi send the lens to us :)

[@romanoberleitner2382]

hello, where to get the replacement motor? best regards roman

[@DIGISERVICEBG]

Hi send the lens to us :)

[@piotrko.4086]

What happend to the balls earlier? It feld into a lens body? 🤔

[@DIGISERVICEBG]

No, someone without knowledge tried to destroy the lens :)