Teleconverter question

Started Apr 12, 2012 | Discussions thread
Jerry045
Senior MemberPosts: 3,787Gear list
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Re: More Teleconverter Test Results
In reply to J C Brown, Apr 17, 2012

Jimmy:

I shall endeavor to get some better test shots. I think I will frame the outline of the test pattern with a 1000 x 750 mm border to allow me to more accurately frame it in the camera. It was tough to see the white edge of the test pattern against my white window frames. That should allow me to get closer.

Here's a question... If I fill the frame exactly, the 100mm bar should be 400 pixels independent of the zoom level. Should I be striving to get the test shots at the far limit of the zoom range?

Thanks,

Jerry

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