Athlon Optics 8.5x42 Cronus Series Water Proof Roof Prism Binocular with 7.6 Degree Angle of View

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, don'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 clearer and sharper image to your eyes. Our state of the art ESP (Enhance Spectral Prism) dielectric coating that 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.

Features

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 an ultimate clearest and sharpest 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 protect the binocular in the harshest weather conditions or if accidentally submerged underwater

Argon Purged
Argon purging gives you better waterproofing and thermal stability