Tasco Roof Prism Binoculars 10x42 Black Box. Field of View (ft.at100yds./mat100m): 185/6Weight (oz./g): 10.22/290Magnification X Objective Lens: 10x 42mmSize Class: StandardFocus System: CenterPrism System: RoofLens Coating: Fully CoatedClose Focus (ft): 30Model: ES10X42Color: Black Specifications for Tasco Roof Prism Binoculars 10x42: Manufacturer: Tasco Color: Black Magnification: 10 x Objective Lens Diameter: 42 mm Prism System: Roof Field of View Linear: 185 ft at 100 yds Optical Coating: Fully Coated Binoculars Focus System: Center Focus Close Focus: 30 ft Length: 2.87 in Weight: 10 oz Package Type: Box Included Accessories: Case Strap Magnification Type: Fixed Tripod Adaptable: Yes Size Class: Standard Eyecups Types: Fold Down Package Contents: Tasco Roof Prism Binoculars 10x42 Tasco ES10X42: Tasco 10x42 Roof Prism Binoculars Black Box