Hi-Lux Optics Phenom ED Field Flattened 10x42mm Roof Binocular Field Flattened Rubber Grey/Black. Phenom ED binoculars deliver phenomenal edge-to-edge image sharpness with the addition of a flat view lens in the optical system. The High Definition Extra Low Dispersion glass lenses eliminate color fringing and chromatic aberration. Hi-Lux Phenom ED binoculars are compact well balanced and comfortable to use allow faster image acquisition and enable complete adjustment for individual eyesight. With RubberGuard armoring encasing the magnesium-aluminum alloy chassis the Phenom ED is an incredibly durable and lightweight binocular. Hi-Lux Phenom ED Field Flattened Binoculars are available in both 8x42 or 10x42 configurations. All Phenom ED Field Flattened binoculars are backed by their DiamondTuff Lifetime Guarantee. Specifications for Hi-Lux Optics Phenom ED Field Flattened 10x42mm Roof Prism Binoculars: Manufacturer: Hi-Lux Optics Color: Gray Magnification: 10 x Objective Lens Diameter: 42 mm Prism System: Roof Prism Material: BAK4 Eye Relief: 20 mm Exit Pupil: 20.2 mm Field of View Linear: 342 ft at 1000 yds Field of View Angle: 6.5 degrees Optical Coating: DiamondTuff14 Dielectric Reflective Coating Binoculars Focus System: Center Focus Twilight Factor: 20.5 Interpupillary Distance: 56 - 74 mm Close Focus: 4.9 ft Diopter Adjustment Range: -4 - 4 dpt Water Resistance Level: IP67 Length: 5.9 in Weight: 29 oz Finish: Rubber Fabric/Material: Magnesium Alloy Condition: New Magnification Type: Fixed Case: Yes Strap: Yes Features of Hi-Lux Optics Phenom ED Field Flattened 10x42mm Roof Prism Binoculars ED Objective Lens eliminate chromatic abberation Field Flattener Lens allow for edge to edge clarity Tripod compatible for long glassing sessions Locking Right Eye Diopter Package Contents: Hi-Lux Optics Phenom ED Field Flattened 10x42mm Roof Prism Binoculars Microfiber Cloth Soft Case Strap Hi-Lux Optics PM10X42: Phenom ED Field Flattened 10x42mm Roof Binocular Field Flattened Rubber Grey/Black