C8-A XLT (CGE) Optical Tube Assembly

₹112,999.00 excl. 18% GST

8″ Schmidt-Cassegrain Optical Tube Assembly (OTA)
Features Celestron’s premium patented StarBright XLT Optical coatings
2032 mm focal length (f/10)
Fastar compatible
Tube constructed of durable and lightweight aluminum
Includes: 25mm eyepiece (81x), 6×30 Optical finderscope, star diagonal, 1.25” visual back, CGEM style dovetail bar

Available on backorder

Optical Tube INFO:
Optical Design	Schmidt-Cassegrain
Aperture	203.2mm (8″)
Focal Length	2032mm (80″)
Focal Ratio	f/10
Focal Length of Eyepiece 1	25mm (0.98″)
Magnification of Eyepiece 1	81x
Finderscope	6×30
Star Diagonal	1.25″ Star Diagonal
Optical Tube	Aluminum
Highest Useful Magnification	480x
Lowest Useful Magnification	29x
Limiting Stellar Magnitude	14
Resolution (Rayleigh)	0.69 arc seconds
Resolution (Dawes)	0.57 arc seconds
Light Gathering Power (Compared to human eye)	843x
Secondary Mirror Obstruction	64mm (2.5″)
Secondary Mirror Obstruction by Diameter	31%
Secondary Mirror Obstruction by Area	9.77%
Optical Coatings	StarBright XLT
Optical Tube Length	432mm (17″)
Optical Tube Diameter	238mm (9.37″)
Optical Tube Weight	12.5 lbs (5.67 kg)
Dovetail	CGE Dovetail Bar