Part Number #94117 ***A Rare Offering***LASER BEAM Culminated by Hand - One Unit Assembly -Quotes from the enclosed (2) page Celestron Data Sheet -
Description : taken from the enclosed instruction / data sheet -"A common Star Diagonal's alignment is based on manufacturing tolerances of nonadjustable components which can be misaligned By (1) One Degree Or More !Our Barlow Diagonal is Laser Aligned to better than 1/40 - etc. "
Some Specs taken from Celestron Data Sheet:"Intergal 1.7X Large Apature Achromatic Barlow Lens to increase an f10 optical system to a f17 and a f6.3 system to f10.7.Multi-Coated Optics.Laser Aligned Prism for minimal image run-out.Consumes 60% less back focus distance that conventional diagonals;1" back focus required. (normal diagonals require 2.5" back focus)"A plus for CCD work as well !
Even if its not quite "1/40" as the literature describes, this assembly should be finer than any $10.- asian diagonal; standard OEM that ispacked with every telescope, past and present !
Exclusively offered by astroptx - Hundreds of Unique Astronomy Items :New / Vintage - Showroom Demo - Manufacturers Closeouts -Resellers and "Star Party Vendors" are Welcomed -
Request a Custom Posting of All Catalog Stock Items with theexception of some Telescopes and "pickup only" equipment -Bundling is possible for Domestic and Export Orders.
Filed under: Eyepieces & Accessories