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REFRACTOR 120MM
90mm f / 900 Refractor Tube Assembly
D=90 / F=900mm refractor. . Rs. 12,000
A Refractor Designed for Deep-Sky Exploration
Perfect for deep-sky pursuits and excellent for astrophotography
120mm aperture and 600mm focal length for breathtaking wide-field views
Does not include mount or tripod - can be purchased separately
Product Specification
Use
Astronomy
Optical design
Reflector
Optical diameter
90mm
Focal length
910mm
Focal ratio
11.4
Optics type
Air-spaced doublet
Eyepieces included
None
Resolving power
1.45arc*sec
Lowest useful magnification
23x
Highest useful magnification
160x
Limiting stellar magnitude
11.3
Optical quality
Diffraction Limited
Focuser
Rack-and-pinion
Mount style
Optical Tube without Mount
Tube material
Aluminum
Length of optical tube
34.7 in.
Weight, fully assembled
4.5 lbs.
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