Fujinon Stabiscope S1640D 16x40mm Waterproof Bouyant and Lightweight Porro Prism Binoculars Black 210mm x 200mm x 90mm. When using any kind of optical devices in low light conditions or hand held the number one remedy for eye strain is gyroscopic stabilization. The technology of a gyroscope senses movement and counters that movement no matter the type of vehicle one is traveling in whether a moving car or an airborne helicopter. The gyroscope stabilization has been engineered to work while pointing in any axis whether you are pointing the Fujinon Stabiscope S1640D up or down. This Fujinon Stabiscope Binoculars can be powered using a single 2CR5 battery 12- 32 VDC electrical system or four AA batteries. The Fujinon Binoculars have been designed to be used whether one is left or right handed. The Fujinon Stabiscope is not only compact and light weight but also water proof. On top of those features the Fujinon Binocular has 16x magnification. The Stabiscope 's prisms individually counterbalance any and all movement. The Fujinon Binocular gyroscope uses two direct drive motors that are controlled independently by the piezoelectric vibration sensors in order to provide a clear image instantly of whatever one is viewing. For more Fujinon Binoculars please visit our Binoculars page. Also for a wide variety of Fujinon Binoculars please visit our Fujinon Binoculars page. If any Fujinon Accessories are needed for the Fujinon Binoculars please visit the Fujinon Binocular Accessories page. Our store is an Authorized US Distributor for Fujinon Binoculars. All Binoculars by Fujinon from our online store come with Full Manufacturer Warranty. Specifications for Fujinon Stabiscope S1640D 16x40mm Waterproof Bouyant and Lightweight Porro Prism Binoculars: Manufacturer: Fujinon Color: Grey Magnification: 16 x Objective Lens Diameter: 40 mm Prism System: Porro Prism Material: BAK4 Eye Relief: 12 mm Exit Pupil: 2.5 mm Field of View Linear: 181 ft at 1000 yds Binoculars Focus System: Individual Eyepiece Focus Twilight Factor: 25.3 Interpupillary Distance: 59 - 71 mm Close Focus: 2 m Weather Resistance: Yes Water Resistance Level: Waterproof Weight: 62.72 oz Magnification Type: Fixed Width: 7.9 in Depth/Thickness: 3.5 in Tripod Adaptable: No Brightness Index: 6.3 Height: 7.9 in Features of Fujinon Stabiscope S1640D 16x40mm Porro Prism Binoculars The gyro effect created by the flywheel absorbs the vibration up to 5 like that of moving vehicles helicopters and boats and maintains a steady view. All lenses and the prisms have a high-quality EBC multi-coating increasing light permeability for bright natural color reproduction. Strong and corrosion resistant for use in harsh conditions from -20? to +50?. Airtight waterproof structure is filled with dry nitrogen gas to prevent fogging inside. Can be used upside down allowing the binoculars to be held in either hand. Package Contents: Fujinon Stabiscope S1640D 16x40mm Porro Prism Binoculars Neck Strap Wristband Dc Regulator Input / Output Cords (For Dc Regulator) 4AA Batteries For more brand name Binoculars please visit our Binoculars page. Also for a wide variety of Fujinon Binoculars please visit our Fujinon Binoculars page. If any Fujinon Accessories are needed for the Fujinon Binoculars please visit the Fujinon Binocular Accessories page. Our store is an Authorized US Distributor for Fujinon Binoculars. All Binoculars by Fujinon from our online store come with Full Manufacturer Warranty. Fujinon 16330354: Stabiscope S1640D 16x40mm Waterproof Bouyant and Lightweight Porro Prism Binoculars Black 210mm x 200mm x 90mm