Fujinon Polaris FMTRC-SX 7x50mm High-Resolution Porro Prism Binoculars w/ Field Flattening Lenses and Integrated Compass Black 198mm x 218mm x 93mm. FUJINON POLARIS series binoculars offer superb optical performance and value. The FUJINON POLARIS series binoculars deploy FUJINON'S unique EBC coating allowing 95percent light transmission. With field flattener lens offer edge-to-edge sharpness free of any discernible astigmatism or distortion. Specifications for Fujinon Polaris FMTRC-SX 7x50mm High-Resolution Porro Prism Binoculars w/ Field Flattening Lenses and Integrated Compass: Manufacturer: Fujinon Color: Black Magnification: 7 x Objective Lens Diameter: 50 mm Prism System: Porro Eye Relief: 23 mm Exit Pupil: 7.1 mm Field of View Linear: 131 m at 1000 m Optical Coating: Electron Beam Coating Binoculars Focus System: Individual Eyepiece Focus Twilight Factor: 51 Interpupillary Distance: 56 - 74 mm Close Focus: 9.8 m Water Resistance Level: Waterproof Length: 198 mm Weight: 1.46 g Finish: EBC Multicoating Magnification Type: Fixed Width: 218 mm Features of Fujinon Polaris FMTRC-SX 7x50mm High-Resolution Porro Prism Binoculars with Field Flattening Lenses and Integrated Compass Nitrogen-purged waterproof and fogproof lenses Up to 13 Fujinon EBC multi-coatings on all surfaces 56 to 74mm interpupillary adjustment range Protective rubber armoring Accepts optional 1.7" eyepiece filters including UV/haze polarizing nebula and solar filters Package Contents: Fujinon Polaris FMTRC-SX 7x50mm High-Resolution Porro Prism Binoculars with Field Flattening Lenses and Integrated Compass Objective Lens Covers Eyepiece Rainguard Soft Case Neck Strap Fujinon 16330615: Polaris FMTRC-SX 7x50mm High-Resolution Porro Prism Binoculars w/ Field Flattening Lenses and Integrated Compass Black 198mm x 218mm x 93mm