An Opteka High Definition 500mm preset telephoto lens incorporates not only computer optical design, but also the latest optical multi-coating techniques. The process of multi-coating assures virtually flare free photographs even under adverse lighting conditions resulting in crisp, high contrast pictures.Preset Lenses are designed to retain a full range of exposure, automation and metering capabilities of the cameras on which they are mounted. This lens is great for nature and sports photography. The amazing power of this lens gives you the equivalent of looking through a pair of 10x power binoculars. It has a manual preset diaphragm, a rotating tripod mounting collar and a soft lens pouch.Advances in high-index / low-dispersion optical glasses, new barrel materials, and exotic... Less

Swarovski has brought some impressive improvements to its popular EL series. Swarovision lens-flattening technology keeps the focus precise right to the edge of the image. These versatile optics also deliver crisp images at close range. Improved focusing mechanism enables fast, precise adjustments. More streamlined shape and lighter-weight magnesium housing make them more comfortable to hold during long periods of glassing. These high-performance HD Binoculars feature new lenses containing fluoride to ensure bright images with maximum color fidelity. The lenses also minimize color fringing that occurs with conventional types of glass. The result is high-contrast images in natural colors with razor-sharp outlines. Swarovski's patented lens and prism coatings, including Swarodur, Swarotop... Less

With their reliable, high-quality optical system and rugged construction, the SLC Swarovski binoculars are among the world's most popular high-end binoculars. The thumb rests on the underside and the depressions on the top side of the easy to handle rubber armoring ensure secure and comfortable handling. The large 56 models show off their strengths particularly when used in adverse light conditions and are thus excellent for observation in the transition period between dusk and night. The lightweight, compact 30 Swarovski binoculars have rugged construction and high dioptric compensation. It can be used in all areas of nature observation, sport and cultural events, and is very popular as entry-level Swarovski binoculars. As with all SLC models, they are characterized by their high-quality... Less

Vortex Diamondback Binoculars Perfect for Any Nature Enthusiast Superior quality, high-performance hunting optics can find their way around your neck for a surprisingly affordable price. Look for enhanced fully multi-coated optics, phase-corrected prisms, waterproof and fog proof construction, soft tapered eyecups, and rugged rubber armor. It's all there in the compact size of the 9x36 Diamondback. Now you can use "wow!" and "thank you" in the same sentence. Fully Multi-Coated Lenses Increase light transmission with multiple anti-reflective coatings on all air-to-glass surfaces. Phase Correction Used on roof prism models only-coating enhances resolution and contrast. Construction Features Roof Prisms Valued for greater durability and a more compact size. Rubber Armor Provides a secure,... Less

The powerful Alpen Rainier 10 x 42 HD ED binoculars maximize light transmission to bring every last ray of light to your eyes, even in flat light, dawn or dusk. HD ED (High Definition, Extra-low Dispersion) glass delivers premium performance for a breathtaking level of clarity. Multilayer coating ensures maximum light transmission; BaK-4 prisms are coated with metallic and phase coatings to deliver brightness, clarity and color fidelity. Large lens elements and prisms provide enhanced field of view and eye relief for easy viewing. Textured rubber exterior is durable and comfortable; O-ring-sealed, nitrogen-filled body ensures complete waterproof and fogproof protection. Locking diopter adjustment lets you keep your setting in place; pull-up, twist-lock eye cups and long eye relief allow... Less

These Swarovski binoculars feature Swarovision technology with Field Flattener Lenses that eliminate all loss of sharpness and distortion at the edges of field of view. Fluoride HD Glass. Longer eye relief is now 20mm. Swarotop, Swarodur, Swarobright and Swaroclean coatings. Wider field of view-8.5x model has 399' at 1,000 yards and the 10x model has 336' at 1,000 yards. Improved close focus of 4.9' Nitrogen purged to prevent fogging and waterproof submersible to 13'. Includes case and carrying strap. Swarovski binoculars are imported from Austria.