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Pentax 80 and Baader Zoom Mark IV

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Old Monday 9th October 2017, 16:53   #1
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Join Date: Feb 2015
Location: Okanagan Valley, BC
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Pentax 80 and Baader Zoom Mark IV

Has anyone tested this combination yet?

I currently have the Mark III version of this zoom which I had to modify in order to focus in my Pentax spotting scope. The issue was not enough backfocus meaning that I could not get focus at infinity.

The Mark IV has apparently been redesigned to address this issue with an attachment that provides an additional 4mm of backfocus.

I think this redesign will work but has anyone tried one yet?
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