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10-26-2018, 06:46 PM   #226
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QuoteOriginally posted by Brooke Meyer Quote
Used Photo Pro offers 6 month warranties. Did you buy it "as is "
with non working AF?
I forgot how it was described and now the listing isn't available. But when I received it, the AF didn't work.

01-04-2019, 06:34 PM   #227
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I wonder that nobody for the years have found some suitable SDM replacement part. ebay is full of cheap SWMs for nikon but I'm hunting hours and hours over Internet and simply nothing. I also wonder if that SDM was developed specially by pentax or if it is some 3rd company product that we just don't know about. There migt be a small chance to use nikon's micro SWM but I still unable got an answer from sellers what are mechanical dimensions of the motor so I don't know if it could fit inside pentax lens.


Last edited by RayeR; 01-15-2019 at 09:31 PM.
01-15-2019, 05:20 AM   #228
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QuoteOriginally posted by RayeR Quote
I wonder that nobody for the years have found some suitable SDM replacement part. ebay is full of cheap SWMs for nikon but I'm hunting hours and hours over Internet and simply nothing. I also wonder if that SDM was developed specially by pentax or if it is some 3rd company product that we just don't know about. There migt be a small chance to use nikon's micro SWM but I still unable got an answer from sellers what are mechanical dimensions of the motor so I don't know if it could fit inside pentax lens.[COLOR="Silver"]
I was just about to look on eBay. My SDM is kinda fishy and I don't think turning it (again) will make it any better. It sometimes fails to lock focus, keeps jumping around the focus point back and forth in tiny increments.
01-15-2019, 03:44 PM   #229
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QuoteOriginally posted by labidas Quote
I was just about to look on eBay. My SDM is kinda fishy and I don't think turning it (again) will make it any better. It sometimes fails to lock focus, keeps jumping around the focus point back and forth in tiny increments.
If you have one of the 4 that can be converted that's another option. (16-50, 50-135, 200, 300)

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