C11-A XLT (CGE) Optical Tube Assembly

₹224,265.00 excl. 18% GST

11″ Schmidt-Cassegrain Optical Tube Assembly (OTA)
Features Celestron’s premium patented StarBright XLT Optical coatings
2800mm focal length (f/10)
Fastar compatible
Tube constructed of durable and lightweight aluminum
Includes: 40mm eyepiece (70x), 9×50 Optical finderscope, star diagonal, 1.25” visual back, CGEM-style dovetail bar

Available on backorder

Optical Tube INFO:
Optical Design	Schmidt-Cassegrain
Aperture	279.4mm (11″)
Focal Length	2800mm (110″)
Focal Ratio	f/10
Focal Length of Eyepiece 1	40mm (1.57″)
Magnification of Eyepiece 1	70x
Finderscope	9×50
Star Diagonal	1.25″ Star Diagonal
Optical Tube	Aluminum
Highest Useful Magnification	660x
Lowest Useful Magnification	40x
Limiting Stellar Magnitude	14.7
Resolution (Rayleigh)	0.5 arc seconds
Resolution (Dawes)	0.42 arc seconds
Light Gathering Power (Compared to human eye)	1593x
Secondary Mirror Obstruction	95mm (3.75″)
Secondary Mirror Obstruction by Diameter	34%
Secondary Mirror Obstruction by Area	12%
Optical Coatings	StarBright XLT
Optical Tube Length	610mm (24″)
Optical Tube Diameter	312.42mm (12.4″)
Optical Tube Weight	27.5 lbs (12.4 kg)
Dovetail	CGE Dovetail Bar