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Field Flattener for ED80?
Hi all, Have been doing some searching for the best flattener for an ED 80 .
I see that there is a William optics P-Flat 3 which says is suitable for M72, M 80 and upwards Yet there is a new WO P-Flat 4 which says it is suitable for refractors but a little more expensive . Does anyone Know which is better suited for the ED 80 or is there something else?
Cheers Daniel.
Last edited by danielsun; 26-04-2010 at 12:38 PM.
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