The ALPEN Apex XP 8x42 binoculars guarantee impressive image definition with a wealth of detail even in low light conditions. Glass The binoculars of the Apex XP series feature powerful optics made of high-quality materials. Thanks to the ED (Extra-low Dispersion) glass, you can observe your surroundings with impressive resolution and colour. The prisms of the APEX XP 8x42 binoculars are made of high-performance BaK-4 glass material. Coating The binoculars also feature a state-of-the-art coating. The unique PXA phase coating ensures brightness and contrast in the image. There is also an HR metal prism coating, which lets more light into the eyes for even brighter images. Rugged, waterproof and easy to use Like all other models in the ALPEN Apex XP series, the 8x42 binoculars are suitable for use in adverse weather conditions. In addition to a waterproof housing that prevents water from entering the optics, it also has a nitrogen filling that prevents the lenses from fogging up from the inside. And for maximum comfort, the binoculars have a lightweight and compact design. Experience high-performance, waterproof optics with the ALPEN Apex XP 8x42" binoculars. And for maximum comfort, the binoculars have a lightweight and compact design. Experience high-performance, waterproof optics with the ALPEN Apex XP 8x42" binoculars. And for maximum comfort, the binoculars have a lightweight and compact design. Experience high-performance, waterproof optics with the ALPEN Apex XP 8x42" binoculars.