Fujinon Polaris FMTR-SX 10x50mm High-Resolution Porro Prism Binoculars with 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 our field flattener lens we offer edge-to-edge sharpness free of any discernible astigmatism or distortion. Specifications for Fujinon Polaris FMTR-SX 10x50mm High-Resolution Porro Prism Binoculars with 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 10x50mm FMTSX Binoculars Case Strap Eye Cover Lens Cover Microfiber Cloth Fujinon 16330756: Polaris FMTR-SX 10x50mm High-Resolution Porro Prism Binoculars with Field Flattening Lenses Black 198mm x 218mm x 78.5mm