Another bad K-3, what is with this.

Started Jan 24, 2014 | Discussions thread
Petroglyph Veteran Member • Posts: 6,037
Re: Another bad K-3, what is with this.

Nuffin wrote:

My K3 is in service for backfocus issues. Kinda disappointed mine had this issue. I'm keen to see if the service department will blame it on the lens, the body, or me.

I spoke to a tech recently and he somewhat indicated that I wasn't testing my focus properly. We'll hello! If I focus on something (like batteries lined up at 45 degree angle) and get a focus indicator on the middle, if I take a shot (even with a tripod and on timer) why is it back focusing?

I wouldn't let them get away with that.  I've been fortunate not to have to deal with a lot of service for cameras.  K5 is the only digital Pentax slr I've owned until the K3.  I haven't had the K3 long enough to do a lot of testing but I can say the center point in AF-S is picking and nailing the target for me thus far.  That's the standard I'd hold the Service group to since the camera looks capable of stunning accuracy if calibrated correctly.  Sometimes clerks in cameras shops can be aggravating with their "advice" which sounds similar to this.  I always test indoors with a ruler lined at an angle.  Try to get the 10cm hash in sharp focus and one can even measure DOF or check back/front focus.  Sounds similar to lining up batteries.  Good luck.

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Sony Alpha a7R II Sony FE 90mm F2.8 macro Rokinon 135mm F2.0 Samyang 20mm F1.8
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