Used for Rich Field Photography i.e. Open Star Clusters,Milky Way, Comet Shots, etc. - The least amount of skillrequired for the most rewarding photo's.Designed for B&L and DX6" and 8" Schmidt / Cass Telescopes.It mounts between the telescopes rear cell and the eyepiece holder, also called a visual back.(can be modified for the 4000 Astro-Telescope - inquire)
Thirty one years ago B&L Criterion closed operationshere in Connecticut - We were able the purchase allremaining inventory then - Three decades later, a fewdozen items remain - this is one.
Hundreds of other Unique AstroItems from an Inventory extending overl 40 Years !astroptx.com
Filed under: Eyepieces & Accessories