I have a K1..

Started Aug 19, 2019 | Questions thread
candgpics Regular Member • Posts: 161
Re: I have a K1..

Hi:

I use the chart B&H provides in the middle of the article here:

https://www.bhphotovideo.com/explora/photography/tips-and-solutions/how-to-test-your-lens

You can click on the link to the picture of the chart and print it.

I then shoot at the widest aperture or perhaps stopped down very slightly (e.g., test the 31 Limited at 1.8 or 2.0), using a tripod pointing downward towards the chart at about 45 degrees, at or near minimum focus distance.  It helps to do this under indoor and outdoor light since the focusing can vary a bit under different light sources.

Hope this helps!

 candgpics's gear list:candgpics's gear list
Pentax K-5 II Pentax K-3 Pentax K-1 Pentax KP Pentax smc DA 10-17mm F3.5-4.5 ED (IF) Fisheye +11 more
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