CRONUS 8.5x42, is a very nice pair of Binoculars from Athlon Optics 111002, You need to check this out !!!E2ES System-Edge 2 Edge Sharpness system - E2ES System is a field flattening system that produces sharper, clearer images all the way from one lens edge to the other.
ED Glass-High definition glass - ED glass gives you an image with little or no chromatic fringe so the final result brings a clearer and sharper image to your eyes.
ESP Dielectric Coating-Enhanced Spectral Prism Dielectric Coating - ESP Dielectric Coating is a multi layer prism coating that reflects over 99% of the light to your eyes bringing you a clear, bright image that displays accurate color reproduction.
Lightweight Magnesium Chassis - Magnesium chassis give you the strength of a metal chassis while reducing the weight as much as 35%.
XPL Coating-Xtra Protective Layer coating - XPL Coating gives you an extra protection on the exterior lenses from dirt, oil and scratches.
Phase Corrected prisms - Phase corrected prisms produce images that have better contrast, a higher resolution and better color reproduction.
BaK4 prisms - Bak-4 glass prisms reflect more light to your eyes which will give you brighter and sharper image.
Advanced FMC Advanced Fully Multi-Coated lenses gives you better light transmission to bring optimum brightness and true color across the entire light spectrum.
Locking Diopter - Locking Diopter keeps the diopter adjustment knob from accidentally moving from the optimal setting.
Long Eye Relief - Long eye relief can be particularly important for eyeglass wearers because longer eye relief allows them to still see the entire field of view.
Close Focus - Close focus is important for those who are nature observers and especially important if you are going to watch butterflies or insects.
Twist Up Eyecups - Twist up eyecups with intermediate stops allow you to set the eyecups to the ideal eye relief for you eyes.
Waterproof - Waterproof to protects the binocular in the harshest weather conditions or if accidentally submerged underwater.
Argon Purged - Argon purging gives you better waterproofing and thermal stability.
Designed for serious glassing, with exceptional edge to edge clarity, sharp detail enhancement, ultra-clear brightness and true color representation. Whether you are on your annual hunt for whitetails on the family farm in Alabama or filling your tag on an once in a lifetime Montana Big Horn, do't leave anything to chance. We designed these binoculars with our revolutionary E2ES lens system that gives you a flat field of view. We included ED Glass that results in a clearer and sharper image to your eyes. Our state of the art ESP (Enhance Spectral Prism) dielectric coating reflects 99% of the light through the prism assembly. We use a Magnesium chassis to reduce weight while keeping the chassis rugged to withstand the scrapes and bumps of constant use.
Power - 8.5X
Objective Lens Diameter - 42 mm
Eye Relief - 22 mm
Field of View Angular - 7.6 degrees
Field of View Feet @1000 Yards - 399 ft
Field of View Meters @1000 Meters - 133 m
Close Focus - 2 m /6.6 ft
Interpupillary Distance - 56 mm-73 mm
Weight - 33 oz