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Forum: Pentax K-5 & K-5 II
03-19-2013, 06:32 AM
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Yeah, I've heard that they often work on the older bodies, like the K20D etc. I can only assume that the tolerances are slightly tighter on the screw drive mech with the K-5 or something, meaning it just doesn't quite engage properly. It's an odd one.
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Forum: Ricoh GR
02-19-2013, 08:26 AM
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I recently bought a GXR with the A12 macro module. I had wanted one for years but couldn't justify the price, so when I found a brand new, sealed kit with the body, the A12, and the SC55 case for £350 I decided to jump on it.
WOW. This thing far exceeded any expectations I had. It's my first Ricoh camera but it sure won't be the last! I'm still trying to get my around around how sharp this module is. It's stunning.
Possibly one of my all time favourites already.
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Forum: Pentax K-5 & K-5 II
02-14-2013, 02:35 AM
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I've just had the exact same problem with a brand new 17-50 I've had delivered as well.
There's a faint click sometimes and it switches to MF in the viewfinder display, then the lens won't auto focus at all. I have to switch the AF on the K-5 body to MF, then back to AF to get it working again.
I'm pretty sure it's the AF screw drive connector not seating in the lens properly, almost like the lens is slightly out of tolerance. My K-5 is only a couple of weeks old, and all other lenses work fine.
Seems there may be a bad batch of 17-50 lenses. I'll be interested to see whether anybody else has an issue.
Shame really as it was my first foray into 3rd party lenses for my K-5. I so nearly bought the Pentax 17-70.
OP, did you get yours changed like for like, or did you opt for something else?
:LR
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