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80mm f12 CARTON Objective in Cell for a smaller objecetive
I bought this lens last year for the spectroheliograph project.
It's an absolutely great lens BUT my current design really needs a shorter focal length solution.
Ideally I need a doublet achromat around 60-80mm diameter and a focal length of 700-800mm.
A swap would be good or can negotiate a buy....
Let me know if you have something available.
Ken
Last edited by Merlin66; 06-04-2016 at 05:14 PM.
Reason: Found
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