Pentax Jupiter 12x50mm Porro Prism Binocular Black. With the incorporation of large-aperture objective lenses for improved light-gathering power the new series has been developed to provide a bright clear field of vision for casual effortless viewing in a variety of applications even for first-time binoculars users. Specifications for Pentax Jupiter 12x50mm Porro Prism Binocular: Manufacturer: Pentax Color: Black Magnification: 12 x Objective Lens Diameter: 50 mm Prism System: Porro Prism Material: BK-7 Image Stabilizer: No Eye Relief: 11 mm Exit Pupil: 4.2 mm Field of View Linear: 98 m at 1000 m Field of View Angle: 5.6 degrees Optical Coating: Multi-Coated Binoculars Focus System: Center Focus Close Focus: 9 m Diopter Adjustment Range: -2 - 2 dpt Length: 162 mm Weight: 860 g Package Type: Box Magnification Type: Fixed Width: 199 mm Features of Pentax Jupiter 12x50mm Porro Prism Binocular The new Jupiter series features a multi-coating on the front lens. This is results in a brilliant three-dimensional image. A 50mm front lens diameter with 12x magnification offers a balanced ratio between the magnification factor and light intensity. This makes them very suitable for a wide range of situations such as wildife bird and nature observation. The rubberized body of these highly versatile binoculars provides a secure grip that allows you to focus on observing nature animals birds or stars. With the built-in tripod thread these binoculars can also be mounted for longer observations. Package Contents: Pentax Jupiter 12x50mm Porro Prism Binocular Case Neck Strap Eye lens cap Objective cap Pentax 65913: Jupiter 12x50mm Porro Prism Binocular Black