ReviewsReliable Optics

Canon EF 600mm f/4L is III USM Lens

Revised Optics for a lighter Super telephoto EF L Lens.
Continues strong tradition of image quality associated with L-Series lenses.
Super spectra coating (ssc) and Air sphere coating (asc) minimizes ghosting and flare.
Increased heat shielding measures for reliable, longer shooting outdoors.
Dust- and water-resistant with fluorine coatings for use even in harsh conditions.Diagonal Angle of View:04°10’.

Gosky Updated Newest 20-60x80 Spotting Scope - Variable 20x to 60x magnification and dynamic lens focusing system brings better optics, more stable....
Fully multi-coated 80mm green film objective lens provides a field of view at 82.9-48ft/1000yards. The quality BAK4 Porro prism optics increases light....
Durable Magnalium Framework and Rubber Armor - Its tight fitting protection makes it usable to withstand the toughest weather conditions. The....
Waterproof Design: O-ring seals prevent moisture, dust and debris from penetrating the scope for reliable performance in all environments. Nitrogen....
Full range of accessories: A phone digiscoping adapter for smartphone, T-ring and M42 T mount with Nikon camera included enable you to take photos and....

EYE-SAFE IR LASER – Count on the first eye-safe IR laser pointer, now available for the commercial market..
COMPACT IR ILLUMINATOR – Combined into a single, compact unit, this IR illuminator and green laser pointer is efficient and effective..
WEAPON-MOUNT USABILITY – An adjustable illuminator provides better illumination at longer ranges..
RELIABLE LASER POINTER – With dual activation switches and high/low power modes, this laser pointer is designed for efficiency..
LOW-LIGHT OPTICS – Count on Steiner’s reliability for extreme accuracy in low- and no-light maneuvers..

High-quality universal roof prism binoculars.
High-quality multi-coated BaK-4 glass optics ensures high-quality, truly sharp views.
Reliable rubber-armored shell is completely waterproof and fogproof.
Comes with eyepiece and objective lens caps.

...m optics creating superior clarity and brightness. 22mm eyepiece and 50mm objective lens also provide a wider field of view of 1000 yards. There is no double image or violent shaking when viewing moving objects. What's more, our sales team personally tests each and every telescope to ensure that we provide you with reliable quality!.
【Professional Optics】: Aspheric multi-layer coated optics and professional BAK4 prism system provide 99.8% light transmission to the telescope, ensuring quality image color and ample brightness during observation. It can be used at night, but not in complete darkness. Ideal for concerts, opera, sightseeing and astronomy viewing..
【Rugged Construction and Anti-Slip Grip】: Sturdy construction, odorless rubber armor with impact resistant and anti-slip grip makes it not only more durable in use, but also moisture resistant to ensure a great experience in the outdoors activities, allowing you to better participate in mountain climbing, hiking, traveling, wildlife and scenery viewing..
【Easy To Use】: The binoculars have a wide, smooth focus knob that makes it easy to focus to accommodate adults and children. Easily focus on the target using the precise central adjustment wheel. For initial use, the diopter system can ....

EYE-SAFE IR LASER – Count on the first eye-safe IR laser pointer, now available for the commercial market..
COMPACT IR ILLUMINATOR – Combined into a single, compact unit, this IR illuminator and green laser pointer is efficient and effective..
WEAPON-MOUNT USABILITY – An adjustable illuminator provides better illumination at longer ranges..
RELIABLE LASER POINTER – With dual activation switches and high/low power modes, this laser pointer is designed for efficiency..
LOW-LIGHT OPTICS – Count on Steiner’s reliability for extreme accuracy in low- and no-light maneuvers..

Beautiful design and durability built to last.
100% waterproof, O-ring sealed and nitrogen purged for reliable, fog-free performance.
BaK-4 prisms and multi-coated optics offer crisp clear images with improved light transmission.
Non-slip rubber armor and Soft Texture Grip absorbs shock and provides a firm grip.
12x magnification and 42mm objective diameter.
Large center-focus knob for easy adjustments.

EXTEND THE LIFE OF YOUR SUNGLASSES: Seek Optics replacement lenses compatible with SPY OPTICS HIELO sunglasses are an easy and affordable option....
HEAVY-DUTY & PREMIUM QUALITY: Seek Optics sunglasses replacement lenses meet all the regulatory impact resistance standards. They have a....
COMPATIBILITY: Seek Optics replacement lenses are compatible with the SPY OPTICS HIELO sunglasses.
EASY INSTALLATION & GUARANTEED TO FIT: These sunglasses lenses are guaranteed to fit your frame perfectly. They are easy to change and install too.....
LENS CARE - Please avoid saltwater, seawater, pool water, sunscreen and harsh soaps. Do not use chlorine or alcohol-based cleaners. Clean with fresh....

...ble, no warranty card or receipt required. We pride ourselves with the highest standards. Expect big, and receive even bigger. We stand behind every product, ensuring satisfaction to each and every customer..
SPECS: Aircraft grade CNC aluminum housing ensures a lifetime of reliable service, IPX-8 rated for waterproofing -- up to 20 meters for 1 hour, Dialectic coated prism, Compact size and weight, Adjustable height via included spacers (1.41", 1.53", and 1.63"), Backed by an Infinite Guarantee.