NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Eye problems and IE, IC
From: hellos
Date: 2006 Jul 18, 10:04 -0500
Bill-
"with the minor exception of keeping tangency in the middle of the
scope over any prolonged period of time."
What about using a pinhole lens to accomplish this? A piece of black cardboard
the size of a quarter (whatever fits securely in the lens, immediately in front
of your eye) with a largish pinhole in the middle of it. That will pretty much
restrict your eye to the same location, pretty much centered in the lens.
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To post to this group, send email to NavList@fer3.com
To , send email to NavList-@fer3.com
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From: hellos
Date: 2006 Jul 18, 10:04 -0500
Bill-
"with the minor exception of keeping tangency in the middle of the
scope over any prolonged period of time."
What about using a pinhole lens to accomplish this? A piece of black cardboard
the size of a quarter (whatever fits securely in the lens, immediately in front
of your eye) with a largish pinhole in the middle of it. That will pretty much
restrict your eye to the same location, pretty much centered in the lens.
--~--~---------~--~----~------------~-------~--~----~
To post to this group, send email to NavList@fer3.com
To , send email to NavList-@fer3.com
-~----------~----~----~----~------~----~------~--~---