Opticron Oregon 4 PC Oasis 8x32mm Roof Prism Binocular Black Full Size. Specifications for Opticron Oregon 4 PC Oasis 8x32mm Roof Prism Binocular: Manufacturer: Opticron Color: Black Magnification: 8 x Objective Lens Diameter: 32 mm Prism System: Roof Prism Material: BAK4 Image Stabilizer: No Eye Relief: 15 mm Exit Pupil: 4 mm Field of View Linear: 141 m at 1000 m Field of View Angle: 8.1 degrees Optical Coating: Fully Multi-Coated Binoculars Focus System: Center Focus Twilight Factor: 16 Interpupillary Distance: 2.3 - 2.9 in Close Focus: 1.8 m Diopter Adjustment Range: 6 dpt Water Resistance Level: Waterproof Length: 109 mm Weight: 17.5 oz Fabric/Material: Polycarbonate Aluminum Alloy Condition: New Package Type: Box Magnification Type: Fixed Width: 116 mm Depth/Thickness: 43 mm Features of Opticron Oregon 4 PC Oasis 8x32mm Binocular Roof prism design with sophisticated twin relief rubber covering Nitrogen gas filled waterproof construction BAK 4 fully multi-coated optical system (all air/glass surfaces) Phase corrected prism coating with Oasis high light transmission coating Twist type retractable eyecups Wide wheel focusing Full field of view wearing glasses Tripod adapter socket Package Contents: Opticron Oregon 4 PC Oasis 8x32mm Binocular Case Neckstrap Cleaning cloth Lens covers Rainguard Opticron 30765: Oregon 4 PC Oasis 8x32mm Roof Prism Binocular Black Full Size