Fujinon Polaris FMTR-SX 10x50mm High-Resolution Porro Prism Binoculars w/ Field Flattening Lenses Black 198mm x 218mm x 78.5mm. 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 FMTR-SX 10x50mm High-Resolution Porro Prism Binoculars w/ Field Flattening Lenses: Manufacturer: Fujinon Color: Dark Grey Magnification: 10 x Objective Lens Diameter: 50 mm Prism System: Porro Prism Material: BAK4 Image Stabilizer: No Eye Relief: 19.8 mm Exit Pupil: 5 mm Field of View Linear: 113.6 m at 1000 m Field of View Angle: 6.5 degrees Optical Coating: Fully Multi-Coated Binoculars Focus System: Individual Eyepiece Focus Twilight Factor: 22.3 Interpupillary Distance: 56 - 74 mm Close Focus: 20 m Diopter Adjustment Range: -5 - 5 dpt Weather Resistance: Yes Water Resistant Mark: 2 m Water Resistance Level: IPX-7 Length: 191 mm Weight: 1400 g Finish: Rubber Package Type: Gift Box Included Accessories: Neck Strap Lens Cloth Magnification Type: Fixed Features of Fujinon Polaris FMTR-SX 10x50mm High-Resolution Porro Prism Binoculars with Field Flattening Lenses 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 FMTR-SX 10x50mm High-Resolution Porro Prism Binoculars with Field Flattening Lenses Case Strap Eye Cover Lens Cover Microfiber Cloth Fujinon 16330756: Polaris FMTR-SX 10x50mm High-Resolution Porro Prism Binoculars w/ Field Flattening Lenses Black 198mm x 218mm x 78.5mm