The Vixen Optics Artes ED 8.5x45 DCF Binocular features ED (Extra-low Dispersion) glass to eliminate chromatic aberration. Combined with fully multicoated lenses and SK15 High Reflective coated sub prisms, the optics on this binocular delivers bright, clear, color-true views.
The Artes ED DCF Binocular has BAK4 phase coated roof prisms. It has a water repellant coating on the objectives and eyepiece lens surfaces. The generous eye relief of 17.5 mm allows sun and eyeglass wearers that extra level of comfort viewing the total range of the field of view. It has a nitrogen filled waterproof and fogproof construction allowing use in inclement weather.