Celestron 20x80 SkyMaster Pro ED Binoculars

Far simpler to use than a telescope - the Celestron 20x80 SkyMaster Pro ED Binoculars are made for astronomy and offer an easy way to explore the night sky They're also an alternative to a spotting scope daytime terrestrial glassing - with good magnifying power and oversize objective lenses for a bright image Extra-low dispersion glass and multiple layers of antireflective XLT coating combine to produce high-contrast views with accurate color fidelity Binoculars of this size and magnifying power require stable support - so the SkyMaster Pro ED can be mounted on a tripod with an optional adapter Special eyepiece threads allow the use of 125 astronomical filters to improve your viewing experience

Features: Extra-Low Dispersion Lenses, Threaded for 1.25-inch Astronomical Filters, BAK4 Porro Prisms, XLT Fully Multicoated Optics, Nitrogen Filled, Fog & Waterproof, Center Focusing with Diopter Adjustment, Tripod Adaptable, Twist-up Eyecups

Prism Type: Porro (BAK4)

Magnification: 20x

Objective Lens Diameter: 80 mm

Angle of View: 3.4 degrees (Actual)

Field of View: 178' @ 1000 yd / 59.1 m @ 1000 m

Minimum Focus Distance: 98.4' / 30 m

Exit Pupil Diameter: 4 mm

Eye Relief: 15.4 mm

Interpupillary Adjustment: 56 to 72 mm / 2.2 to 2.8-inch

Diopter Adjustment: -3 to +3

Focus Type: Center

Fogproof: Yes: Nitrogen Filled

Environmental Resistance: Water-Resistant (IPX7)

Dimensions: 13.2 x 9.1 x 3.7-inch / 33.5 x 23.1 x 9.4 cm

Weight: 7.6 lb / 3.4 kg