STARFIELD IMAGING NEWTONIAN TELESCOPES
8" and 10" F/4 Imaging Newtonians. With a 2" speed crayford style focuser, 50mm finder scope, Rear mounted cooling fan on the mirror cell, and large adjustment knobs.
8" f/4 Specification
Optical design: Newtonian reflector
Aperture: 200mm (7.9")
Focal ratio: f/4
Focal length: 800mm
Primary mirror: Parabolic primary mirror; minimum 92% reflectivity; protective quartz layer
Secondary mirror holder: 4-vane all metal spider
Tube outside diameter: End rings = 9.5"
Tube length = 28"
Tube weight (with included accessories): 20lbs
Shipped size / weight = 34"x16.5"x14" / 28lbs
10" f/4 Specification
Optical design: Newtonian reflector
Aperture: 250mm (9.8")
Focal ratio: f/4
Focal length: 1,000mm
Primary mirror: Parabolic primary mirror; minimum 92% reflectivity; protective quartz layer
Secondary mirror holder: 4-vane all metal spider
Tube outside diameter: 12"
Tube length = 38.5"
Tube weight (with included accessories): 34lbs
Shipped size / weight = 44"x20"x18" / 46lbs
8" and 10" F/4 Imaging Newtonians. With a 2" speed crayford style focuser, 50mm finder scope, Rear mounted cooling fan on the mirror cell, and large adjustment knobs.
8" f/4 Specification
Optical design: Newtonian reflector
Aperture: 200mm (7.9")
Focal ratio: f/4
Focal length: 800mm
Primary mirror: Parabolic primary mirror; minimum 92% reflectivity; protective quartz layer
Secondary mirror holder: 4-vane all metal spider
Tube outside diameter: End rings = 9.5"
Tube length = 28"
Tube weight (with included accessories): 20lbs
Shipped size / weight = 34"x16.5"x14" / 28lbs
10" f/4 Specification
Optical design: Newtonian reflector
Aperture: 250mm (9.8")
Focal ratio: f/4
Focal length: 1,000mm
Primary mirror: Parabolic primary mirror; minimum 92% reflectivity; protective quartz layer
Secondary mirror holder: 4-vane all metal spider
Tube outside diameter: 12"
Tube length = 38.5"
Tube weight (with included accessories): 34lbs
Shipped size / weight = 44"x20"x18" / 46lbs
8" and 10" F/4 Imaging Newtonians. With a 2" speed crayford style focuser, 50mm finder scope, Rear mounted cooling fan on the mirror cell, and large adjustment knobs.
8" f/4 Specification
Optical design: Newtonian reflector
Aperture: 200mm (7.9")
Focal ratio: f/4
Focal length: 800mm
Primary mirror: Parabolic primary mirror; minimum 92% reflectivity; protective quartz layer
Secondary mirror holder: 4-vane all metal spider
Tube outside diameter: End rings = 9.5"
Tube length = 28"
Tube weight (with included accessories): 20lbs
Shipped size / weight = 34"x16.5"x14" / 28lbs
10" f/4 Specification
Optical design: Newtonian reflector
Aperture: 250mm (9.8")
Focal ratio: f/4
Focal length: 1,000mm
Primary mirror: Parabolic primary mirror; minimum 92% reflectivity; protective quartz layer
Secondary mirror holder: 4-vane all metal spider
Tube outside diameter: 12"
Tube length = 38.5"
Tube weight (with included accessories): 34lbs
Shipped size / weight = 44"x20"x18" / 46lbs