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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Using a theodolite as a (solar) sextant
From: Thomas Kleemann
Date: 2008 Feb 14, 19:32 +0100
From: Thomas Kleemann
Date: 2008 Feb 14, 19:32 +0100
Isonomia schrieb:
>
> Is there any optics I can buy to put on the front of the telescope to
> view at 90degree?
>
There are prisms for that special need.
I saw one recently.
Please have a look at ebay.de
Article number 370022965721 :
http://cgi.ebay.de/Carl-Zeiss-Steilsichtprisma-Eyepiece-Prism-Theodolit_W0QQitemZ370022965721QQihZ024QQcategoryZ55808QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
HTH,
Thomas.
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