Alpen Rainier 8x42 HD ED Waterproof Long Eye Relief Roof Prism Binoculars Matte. These Alpen Binoculars push the limits of optical perfection by including UBX multi layer coatings for maximum light transmission and extra large BAK-4 prisms that are coated with over 60 years of Alpen's own SHR metallic and PXA phase coatings to deliver unmatched brightness clarity and color fidelity. The 8x 42mm Rainier Water Proof Binocular by Alpen also features large diameter lens elements throughout the optical system which provide and enhanced field of view and long eye relief for easy viewing when wearing eyeglasses. Alpen Rainier Series Binoculars are extremely rugged yet precise optical instruments good for hunting birding field sports racing backpacking and other outdoor sport enthusiast activities. Make sure to check out our growing selection of Binoculars by Alpen in the Alpen Binoculars section of our store. Specifications for Alpen Rainier 8 x 42mm HD ED Optics Roof Prism Binocular Description: 8x42 ED Magnification: 8X Objective Lens Diameter: 42mm Focus System: Center Prism Type: Roof F.O.V. (ft at 1000 yds) - Low/High: 393 Exit Pupil: 5.3mm Eye Relief: 18mm Close Focus (feet): 6.5 Lens Coating: UBX Fully-Multi-Ctd SHR Metallic Ctg PXA Phase Ctg Net Weight (oz.): 29.4 Type of Neckstrap: Extra Wide Tripod Adaptable: Yes Prism Material: BAK4 Waterproof/Fogproof: Yes Eye Cups: Multi-Position Twistlock Type of Case: Premium Features of Alpen Rainier 8x42mm Waterproof Long Eye Relief Binoculars w/ HD ED Optics Waterproof BAK4 Optics Long Eye Relief Item Number 75 Magnification 8X Field of View 393/1000yds Waterproof Yes Lens Coatings UBX Fully-Multi-Ctd SHR Metallic Ctg PXA Phase Ctg Eye Relief 18mm Exit Pupil 5.3mm Focuser Type Center Objective Lens Diameter 42mm Apparent Field 5.8 Close Focus 6.5ft Prism BaK-4 Eyecup Type Multi-Position Twistlock Weight 29.4 oz UBX Fully Multi-Coated SHR Metallic Coated PXA Phase Coating A-lock Diopter System Package Contents: Alpen 8x42 mm Rainier High Definition Extra Low Dispersion Glass Waterproof Binoculars 75 Quick release neck strap system Premium quality carrying case Alpen Rainier 8x42 HD ED Waterproof Long Eye Relief Roof Prism Binoculars Matte 75