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You'''ll enjoy features like a rubber grip ring
Explore Scientific 80mm f/6 ED Apochromatic Triplet Essential Refractor Telescope Specifications
since it employs a patented Sky-Watcher dual-encoder motor system
In the fall of 2008
William Optics 0.8X Reducer & Field Flattener for FLT91 - FLAT6AIII-M92 type-reducers-flatteners-correctors You'''ll enjoy features like aThe William Optics FLAT6AIII for the Fluorostar 91 refractor brings imaging to the next level of adjustability and image quality. This 0. 8X field flattener uses Ohara optical glass in an FMC Triplet APO design for amazing clarity and sharpness. The William Optics FLAT 6AIII adjustable Focal Reducer & Field Flattener has an image circle large enough to cover full frame, 43. 26 mm diagonal sensors! The FLT91 version of the FLAT6AIII has M92 threads on
