New K5 user (from D7K). Low light focus issues.

Zafar Iqbal · 07-03-2012, 08:31 AM

Originally posted by SKwan

There are many factors affecting the focus accuracy other than the camera its own!.

Sure - but I didn't write anything about the camera in that reply.

**Aristophanes** · 07-03-2012, 08:35 AM

Definitely a focus issue.

At f/6.3 at this FL they should be relatively in focus. not super-sharp, but not this.

Maybe it's the IR sensor.

SKwan · 07-03-2012, 09:26 AM

Originally posted by Zafar Iqbal

Sure - but I didn't write anything about the camera in that reply

AI ... ! The thread is originated from sanjeevdas!! It seems the camera issue is concerned most.
- Focus issue is of course not only derived from the camera its own. I only bring this out to the thread owner.
- AF issue refers to the optical evaluation and mechanical respond of the camera & lens.

sanjeevdas · 07-03-2012, 11:29 AM

See this post and the corresponding thread:
Replaced K5 and DA 15: Pentax SLR Talk Forum: Digital Photography Review

I am convinced that low light AF is an issue. Other than this my K5 is awesome.

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07-03-2012, 08:31 AM	#61
Zafar Iqbal Veteran Member Join Date: Oct 2010 Photos: Gallery Posts: 1,229	Originally posted by SKwan There are many factors affecting the focus accuracy other than the camera its own!. Sure - but I didn't write anything about the camera in that reply.

07-03-2012, 08:35 AM	#62
Aristophanes Site Supporter Join Date: Jul 2008 Location: Rankin Inlet, Nunavut Photos: Albums Posts: 3,948	Definitely a focus issue. At f/6.3 at this FL they should be relatively in focus. not super-sharp, but not this. Maybe it's the IR sensor.

07-03-2012, 09:26 AM	#63
SKwan Forum Member Join Date: Apr 2011 Location: Hong Kong Photos: Gallery \| Albums Posts: 95	Originally posted by Zafar Iqbal Sure - but I didn't write anything about the camera in that reply AI ... ! The thread is originated from sanjeevdas!! It seems the camera issue is concerned most. - Focus issue is of course not only derived from the camera its own. I only bring this out to the thread owner. - AF issue refers to the optical evaluation and mechanical respond of the camera & lens.

07-03-2012, 11:29 AM	#64
sanjeevdas Senior Member Join Date: May 2012 Location: San Jose, CA Posts: 111 Original Poster	See this post and the corresponding thread: Replaced K5 and DA 15: Pentax SLR Talk Forum: Digital Photography Review I am convinced that low light AF is an issue. Other than this my K5 is awesome.