Rothco 8 X 42mm Porro Prism Binoculars. 3 Lens Coatings MC Relative Brightness Index (RBI) 18 Field Of View(Ft /1000 YDS) 7.5 Eye Relief (mm) 16 Minimum Focus Distance (M) 5 Diopter Adjustment: -4d To +4d Dimensions Of Product (mm) 180x140x57 WARNING: This product contains a chemical known to the State of California to cause cancer birth defects and other reproductive harm. Specifications for Rothco 8 X 42mm Porro Prism Binoculars: Manufacturer: Rothco Color: Black Magnification: 8 x Objective Lens Diameter: 35 mm Prism System: Porro Image Stabilizer: No Eye Relief: 16 mm Exit Pupil: 4.3 mm Field of View Angle: 7.5 degrees Optical Coating: Multi-Coated Close Focus: 5 m Diopter Adjustment Range: -4 - 4 dpt Weight: 2.1 oz Condition: New Package Type: Box Magnification Type: Fixed Strap: Yes Compass: No Individual Diopter: Yes Case: Yes Minimum Focus Distance: 5 m Brightness Index: 18 Features of Rothco 8 X 42 Binoculars Rothco's military style 8 x 42 MM binocularsfeature an 8x magnification and 7.5 field view. Package Contents: Rothco 8 X 42 Binoculars Rothco 8 X 42 Binoculars 20275