Barska 7x50 Escape Binoculars Porro Prism MC Green Lens Black. These binoculars are designed for convenience and ease of use. Includes carrying case and neck strap Barska's Limited Lifetime Warranty Specifications for Barska 7x50mm Escape Porro Prism Binoculars MC Green Lens: Manufacturer: Barska Color: Black Magnification: 7 x Objective Lens Diameter: 50 mm Prism System: Porro Prism Material: BK-7 Eye Relief: 7.14 mm Exit Pupil: 5 mm Field of View Linear: 374 ft at 1000 yds Optical Coating: Multi-Coated Binoculars Focus System: Center Focus Twilight Factor: 18.7 Close Focus: 32.8 ft Length: 7.5 in Weight: 1.9 lb Magnification Type: Fixed Armoring: Rubber Tripod Adaptable: Yes Case: Yes Brightness Index: 25 Strap: Yes Housing/Frame Material: Aluminum Size: Medium Features of Barska 7x50 Escape Binoculars MC Green Lens: Magnification 7x Objective Lens 50mm Prism type Porro Prism Glass BK-7 Exit Pupil 5mm Optical Coating Multi Coated Focusing System Center Field of View 114M Close Focus (ft/m) 10m Eye Relief 7.14mm Package Contents: Barska 7x50 Escape Binoculars MC Green Lens Soft Carrying Case Neck Strap Barska AB11244: 7x50 Escape Binoculars Porro Prism MC Green Lens Black