Barska 9-27x25mm Compact Gladiator Zoom Binoculars BK-7 Porro Prism Fully Coated Lens Black. The wide 9-27x variable magnification range allows the user to observe a large area and then zoom into a particular point for a closer look. A zoom thumb lever conveniently located by the right eyepiece allows for quick and smooth zoom adjustments. These Binoculars also feature a protective rubber coating that helps minimize damage from bumps and impact and a compact size makes there binoculars perfect for hiking bird watching or sporting events. Pick up the Barska 9-27x25mm Compact Gladiator Zoom Porro Prism Binoculars today before your next adventure Specifications for Barska 9-27x25mm Compact Gladiator Zoom Porro Prism Binoculars: Manufacturer: Barska Color: Black Magnification: 9 - 27 x Objective Lens Diameter: 25 mm Prism System: Porro Prism Material: BK-7 Image Stabilizer: No Eye Relief: 13 mm Exit Pupil: 3.5 mm Field of View Linear: 230 ft at 1000 yds Optical Coating: Fully Coated Binoculars Focus System: Center Focus Twilight Factor: 15 - 25.98 Close Focus: 23 ft Weather Resistance: None Length: 4.53 in Weight: 12.995 oz Finish: Rubber Armor Included Accessories: Neck Strap Soft Carrying Case Neck Strap Soft Carrying Case Magnification Type: Variable Tripod Adaptable: Yes Size: Small Nitrogen Filled: No Brightness Index: 12.25 Compass: No Eyecups Types: Fold Down Housing/Frame Material: Aluminum Case: Yes Strap: Yes Zoom: Yes Armoring: Rubber Armored Features of Barska 9-27x25 Compact Gladiator Zoom Binoculars: 9-27x Magnification 25mm Objective Lens Fully Coated Optics BK-7 Porro Prisms Center Focus Knob Protective Rubber Armor Close Focus (ft/m) 23ft/7m Eye Relief 13mm Objective Lens 25mm Exit Pupil 3.5mm Field of View (ftat1000yds/mat1000m) 230ft/70mat9x 85ft/26mat27x Diopter Right Eye Package Contents: Barska 9-27x25 Compact Gladiator Zoom Binoculars Carrying Case Lens Covers Neck Strap Lens Cloth Barska AB12542: 9-27x25 Compact Gladiator Zoom Binoculars BK-7 Porro Prism Fully Coated Lens Black