ASA 4" Reducer Corrector 0.70 x for Ritchey-Crétien
ASA 4" Reducer Corrector 0.70 x for Ritchey-Crétien To correct the field of view ASA uses the correctors designed by Dipl. Phys. Philipp Keller. All correctors have sufficient backfocus to be connected to all popular camera systems. Each lens of the ASA correctors will be remeasured in radius and thickness. So we don´t use lenses which don´t comply with our rigid criterias. The highest quality lenses will be used for the Ritchey Chrétien and Cassegrain systems and additional the real refra ... more
Manufacturer: ASA Astro Systeme Austria
Prices on www.apm-telescopes.de!