Our pleasure to assist you as always.  I would however, suggest you take a look at the 
Athlon Cronus 10x42 & 
Cronus 8.5x42, both of which we have on promo sale for only $319.99
- 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