Airy Disk APO 204mm f/7 Triplet ED FK61 Apochromatic Refractor

Airy Disk's 8" triplet APO is a great telescope for observatories. It provides high-contrast imaging and guarantees genuine observing pleasure. With a relatively fast focal ratio of F7, its 50" long (dew shield retracted), suitable for smaller observatories. Multi-coated triplet lens with H-FK61 ED element 4" focuser connects to scope side to a M134x1 thread M63x1 to 2" adapter included The optional 0.8x FF also connects to this M63x1 thread, and M48x0.75 or M54x0.75 on the camera side with adjustable backfocus from 55mm up to 88mm. Included: Losmandy compatible plateCarrying handleFinder shoeComes in a Aluminum carry case Optional Accesories: CAA rotator For mounting, we recommend Astro-Physics, EQ8 by Skywatcher, CGX-L by Celestron, or the GM2000 by 10Micron. Focuser: 4" 10:1 rack and pinion compatible with EAF 80-mm- tube extension Two segments of the tube can be removed for binoviewer and flexible back focus, M202x1.5 Glass used:  H-FK61 CDGMColor:  WhiteTube Material: