I have an 80mm WO doublet which was in the first WO 80 mm scopes. I can't remember what the glass was but will dig it out tomorrow. It was used very little because in those days I was seduced by eternal "improvements"
To be honest I couldn't see much difference between the two.
Regards
Mamba
Quote:
Originally Posted by elken2004
Does anyone have an 80mm objective lens (doublet or etc.)
roughly 450 to 555mm focal length
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