-40%
Celestron - "Laser Culminated - Barlow / Diagonal Assy." 90 Degree 1.25" (Rare)
$ 22.17
- Description
- Size Guide
Description
Part Number #94117 ***A Rare Offering***LASER BEAM
Culminated by Hand - One Unit Assembly with
(2) Caps - Q.C. Inspected by Celestron before units were shipped.
Description : taken from the enclosed (2) pg.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 or asian diagonal; standard OEM that is
packed with every telescope, past and present !
Exclusively offered by astroptx -
Hundreds of Unique Astronomy Items in Inventory :
Recall the full page ads in Sky & Telescope and Astronomy.
Resellers and "Star Party Vendors" are Welcomed -
Request a Custom Posting of All Catalog Stock Items with the
exception of some Telescopes and "pickup only" equipment -
Bundling is possible for
Domestic and Export Orders.
Quality vintage specialists at :
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d.b.a. -
astroptx.com