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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Question for Astra users
From: Greg R_
Date: 2012 May 20, 23:58 -0700
From: Greg R_
Date: 2012 May 20, 23:58 -0700
> I'm guessing that it's probably reflecting off > the top of the index shade assembly Or maybe it's actually the bottom of the shade assembly, just took another look through it and touched a finger to what I was seeing in the 'scope. -- GregR On 5/20/2012 11:38:42 PM, GregR (gregr_ingest@yahoo.com) wrote: > Occasionally when pulling down a sun shot, > I'll get an unfiltered "blast" of > it through the 'scope while moving the > index arm through a lower angle > towards the actual angle above the horizon (seems to happen more often > with > higher-altitude shots like we get in the summer, maybe because > there's more > arc to travel through to get to the final angle). > > Based on the optical path, I'm > guessing that > it's probably reflecting off > the top of the index shade assembly but I haven't > been able to confirm that > yet. > > Has anyone else noticed this, and if so > what's the fix (if any) for it? > Dulling the shiny black finish on the shade assemblies seems like a > drastic > measure (if that's > actually the source of it), though maybe some matte-black > tape would work? > > -- > Thanks, > GregR