Current Price: $49.00
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LASER BEAM Culminated by Hand - One Unit Assembly -Quotes from the enclosed (2) page Celestron Data Sheet -
Description -"A common Star Diagonal's alignment is based on manufacturing tolerances of nonadjustable components which can be misaligned By 1 Degree Or More !Our Barlow Diagonal is Laser Aligned to better than 1/40 - etc. "
Some Specs -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 $12.- asian diagonal; standard OEM that ispacked with every telescope, past and present !
Exclusively offered by astroptx - Hundreds of Unique Astro Items from an Inventory Spanningover 40 Years- New - Used - Demo - Obsolete -Resellers and "Star Party Vendors" are Welcomed -
Request a Custom Posting of All Catalog Stock Items with theexception of Telescopes, Mounts and "pick up only" equipment.(sales tax for Connecticut residence and in state purchases)astroptx.com

Filed under: Eyepieces & Accessories