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{Description}Fully Coated Optics
Refractor Optical Design
Zooms up to 60x
Water resistant
Metal Tabletop Tripod
Aluminum Carrying Case
Soft Carrying Case
Limited Lifetime Warranty
{Specification}
GENERAL
Magnification: 20 - 60x
Objective Lens Diameter: 60mm (2.36")
Eyepieces: 14mm (.55")
Angular Field of View: 2.5° - 1.3°
Linear Field of View (@1000 yds) / @1000 m): 131.3 ft (43.7 m) @ 20x, 68.3 ft (22.7 m) @ 60x
Focal Length: 420mm (16.5")
Exit Pupil: 3mm (.11") @ 20x; 1mm (.04")@ 60x
Eye Relief: 15mm (.6") @ 20x; 11mm (.4") @ 60x
Close Focus: 29 ft (8.8 m) @ 20x
Twilight Factor: 36.6 - -60
Relative Brightness: 9.0 - 1.0
Limiting Stellar Magnitude: Ideal: 11.39
Moderate: 10.39
Poor: 9.39
Lens Coatings: Fully Coated
Prism Glass (Type): K9
Prism Coatings: Uncoated
Weight: 20 oz (569 g)
Environmental Protection: Water Resistant
Nitrogen Filled: Yes
Tripod Adaptable: Yes
Carrying Case: Two cases: hard-side metal and fiber case, and nylon soft-side case
Camera Adaptable: Yes
Dimensions: 342mm x 70mm x 110mm (13.5" x 2.8" x 4.3")
Included Items: Aluminum case
Soft case
Tripod
Instruction Manual
Cleaning cloth
