Barska Naturescape 12-36x50 Waterproof Straight Spotting Scope w/ ED Glass & Phase Coating

Barska Naturescape 12-36x50 Waterproof Straight Spotting Scope w/ ED Glass & Phase Coating. These Barska Spotting Scopes have a phase coated BAK4 prism and is fully multi-coated with premium ED glass (Extra Low Dispersion glass) which provide views of exceptional clarity and resolution. Phase coating in the Barska Naturescape 12-36x50mm Water Proof Spottingscope AD11104 results in maximum resolution and optical quality by correcting or "phase shifting" the light that is reflected off the prisms and optimizing it for the aperture size of these Spotting Scopes made by Barska. Compared to conventional achromatic lenses ED glass lenses in the Spotting Scopes minimize chromatic aberration and other forms of distortion resulting in higher resolution and contrast. 100percent waterproof and fogproof Barska Naturescape 12-36 x 50 Spotting Scopes AD 11104 are at home in the most demanding environments and are ruggedly built to withstand the effects of movement from one location to another. Specifications for Barska Naturescape Waterproof 12-36 x 50mm Spotting-Scope w/ ED Glass AD11104: Model: AD11104 Magnification: 12-36x Objective Lens: 50 Prism Type: Porro Eyepiece System: Straight Optical Coating: Fully Multi Field of View(ftat1000yds/mat1000m): 180/60at12x 90/30at36x Close Focus(ft/m): 9.84/3 Exit Pupil(mm): 4.2at12x1.4at36x Eye Relief(mm): 19at12x17at36x Weight(lbs): 1.98 Length(inch): 14.52 Spotting Scopes: Penhead Features of Barska Naturescape Spotting Scope 12-36x 50mm : ED Glass (Extra Low Dispersion Glass) BAK4 prisms Twist-up eyepiece Waterproof and fogproof Adjustable tripod mount Built-in extendable sunshade Deluxe Hard carrying case Limited Lifetime Warranty Package Contents: Barska AD11104 Naturescape Waterproof 12-36x50 Spotting Scope w/ ED Glass Specifications for Barska Naturescape 12-36x50 Waterproof Spotting Scope w/ ED Glass & Phase Coating AD11104: Manufacturer: Barska Color: Black Magnification: 12 - 36 x Objective Lens Diameter: 50 mm Eye Relief: 19 - 17 mm Field of View Linear: 180 - 46 ft at 1000 yds Twilight Factor: 24.49 - 42.42 ED Glass: Yes Scope Body Type: Straight Body Only: No Close Focus: 9.84 ft Length: 10.83 in Weight: 1.98 lb Finish: Black Matte Condition: New Included Accessories: Lens Cloth Lens Covers Table Top Tripod Hard/Soft Carrying Cases Magnification Type: Variable Features of Barska Naturescape 12-36x50 Waterproof Spotting Scope w/ ED Glass & Phase Coating AD11104: Prism Type Porro Prism Glass BAK-4 Magnification (Zoom) 12x-36x Eye Piece System Straight Close Focus (ft/m) 9.84/3 Eye Relief 19mmat12x 17mmat36x Objective Lens 50mm Exit Pupil 4.2mmat12x 1.4mmat36x Field of View (ftat1000yds/mat1000m) 180/60at12x 90/30at36x Optical Coating Fully Multi-Coated Waterproof Yes Fogproof Yes (Nitrogen CO2) Tripod Adaptable Yes Product Weight 1.98 lbs Length 10.83 inches Finish Black Matte Package Contents: Barska Naturescape 12-36x50 Waterproof Spotting Scope w/ ED Glass & Phase Coating AD11104 Hard And Soft Carrying Case Table-Top Tripod Lens Covers Lens Cloth Barska Naturescape 12-36x50 Waterproof Straight Spotting Scope w/ ED Glass & Phase Coating AD11104