مشخصات تلسکوپ استرو-تک ریچی کرتین ۱۶ اینچ
This newest Version A of the #Astro-Tech #AT16RCT #Ritchey_Chrétien #astrograph
(named a Sky & Telescope Hot Product for 2015) has:
16” f/8 true #Ritchey-Chrétien #hyperbolic mirror optical design
carbon fiber Serrurier truss tube design with CNC-machined stainless steel and aluminum components
18-point primary mirror floatation system
low thermal expansion quartz primary and secondary mirrors
99% reflectivity non-tarnishing multi-layer dielectric mirror coatings
three built-in cooling fans in rear cell
3" dual-speed compression ring Crayford focuser with 2" and 1.25" adapters
focuser attachment collar isolated from the primary mirror and baffle tube
dust covers and finder shoe
This newest Version A of the #Astro-Tech #AT16RCT #Ritchey_Chrétien #astrograph
(named a Sky & Telescope Hot Product for 2015) has:
16” f/8 true #Ritchey-Chrétien #hyperbolic mirror optical design
carbon fiber Serrurier truss tube design with CNC-machined stainless steel and aluminum components
18-point primary mirror floatation system
low thermal expansion quartz primary and secondary mirrors
99% reflectivity non-tarnishing multi-layer dielectric mirror coatings
three built-in cooling fans in rear cell
3" dual-speed compression ring Crayford focuser with 2" and 1.25" adapters
focuser attachment collar isolated from the primary mirror and baffle tube
dust covers and finder shoe