Barska Encounter Jumbo 20-40x100mm Porro Prism Binoculars Silver. The Barska Encounter Binoculars offer multi-coated optics and high quality BAK-4 prisms. Barska Encounter Binoculars feature super large 100mm semi-apochromatic objectives for bright highly-corrected images. The Barska Encounter is an ideal Binoculars for both celestial and terrestrial observation. With dual 20x and 40x eyepieces (included) the Barska Encounter Giant Binoculars provide a useful range of magnification by day or night. Waterproof construction and an all metal body provide maximum protection. Encounter Barska Binoculars are packaged in a Premium Hard Case. The Barska Encounter 20x 40x Binocular like all Barska Binoculars is covered by Barska's Limited Lifetime Warranty. Specifications for Barska Encounter Jumbo 20-40x100mm Porro Prism Binoculars: Manufacturer: Barska Color: Silver Magnification: 20 - 40 x Objective Lens Diameter: 100 mm Prism System: Porro Prism Material: BAK-4 Image Stabilizer: No Eye Relief: 23 - 18.4 mm Exit Pupil: 2.5 - 5 mm Field of View Linear: 131 - 63.9 ft at 1000 yds Optical Coating: Multi-Coated Binoculars Focus System: Individual Eyepiece Focus Close Focus: 65.6 ft Water Resistance Level: Waterproof Length: 18 in Weight: 256 oz Included Accessories: Hard Carrying Case Lens Cloth Magnification Type: Variable Strap: No Armoring: Metal Eyecups Types: Twist-Up Tripod Adaptable: Yes Fogproof: Yes Compass: No Case: Yes Nitrogen Filled: Yes Housing/Frame Material: metal Zoom: No Size: Large Features of Barska 20-40x100 Encounter Waterproof Jumbo Telescope Binoculars 20x & 40x Eyepieces 100mm Large Objective Lens Extendable Sunshades Both Day and Night Viewing Waterproof Design Triplet Optical System Focus System Individual Prism Type Porro Prism Glass BAK-4 Close Focus (ft/m) 65.6ft / 20m Eye Relief 23.6mm at 20x 18.4mm at 40x Exit Pupil 5mm at 20x 2.5mm at 40x Field of View (ftat1000yds/mat1000m) 131ft / 43.8m at 20x 63.9ft / 21.3m at 40x Optical Coating Multi-Coated Package Contents: Barska 20-40x100 Encounter Waterproof Jumbo Telescope Binoculars Hard Carrying Case Lens Cloth In addition to the Barska Encounter Telescope Binoculars make sure to check out the other Barska Binoculars and other Barska products offered in our store. Barska 20-40x100 Encounter Jumbo Telescope Binoculars Silver w/ Hard Case AB10520