Best Optical Prisms

Celestron – Outland X 20x50 Monocular – Outdoor and Birding Monocular – Fully Multi-Coated Optics and BaK-4 Prisms – Bonus Smartphone Adapter, Bluetooth Remote & Tripod Included

Powerful 20x optical system for an image that is close-up to the action.
Large 50mm objective lens with excellent light gathering capability.
BaK-4 prisms and multi-coated optics provide improved contrast and resolution by increasing light transmission through the entire optical path.
Smartphone adapter included so you can capture still or video images through the monocular.
Eyeglass friendly with generous eye relief and sturdy, twist-up eyecups with multiple stops.

Our biggest and brightest astro-binocular, featuring 100mm objective lenses and strong 25x magnification.
Fully multi-coated optics, high quality BAK-4 prisms and internal baffling ensure sharp images and pleasing contrast with maximum light throughput.
Barrels are cross-reinforced for maximum structural rigidity and unflinching optical alignment.
Long 18mm eye relief lets eyeglass wearers see an unrestricted field of view without removing their corrective lenses.
Weighs 10.1 lbs. - Tripod recommended for comfortable viewing (tripod sold separately).

90° VISION: Turn your view to a downward 90-degree angle, eliminating the need for head movement. High definition lazy glasses help you read books....
PREVENT EYE FATIGUE: These ultimate glasses are suitable for ordinary people and a person with a medical problem. These high definition prism glasses....
REDUCES STRESS: Used for home or travel use. Lying for reading on the beach or at home. Watch TV or play games while laying flat to help with awful....
ANTI-REFLECTIVE: By taking advantage of optics principles and employing the reflecting prisms that made of high-qualified optical materials..
SUPER CONVENIENT: These high-qualified optical glasses are in a lightweight which could be carried all around easily and they have a similar shape as....

Waterproof, sealed, and nitrogen filled for guaranteed internal fog-free performance.
HD – High definition, ED – Extra low dispersion optical system.
PXA phase coating for outstanding clarity and contrast.
Abbe prisms with Alpen’s exclusive SHR metallic coating for bright, sharp, high-resolution images.

Each crystal Main Prism measures 1.5"/38mm, and includes two 0.5"/14mm top jewel octagon beads, connected with stainless jump rings.
Clear Top excellent Quality Clear Optical Crystal Glass.
Large Clear Crystal Teardrop Glass Chandelier Prisms.
Work well for sun catchers, splatter the sunshine into rainbows.
Great for Weddings, Baby Rooms, Christmas Tree Decorations, Chandeliers, Art Projects, Jewelry Making, Necklaces.

15-power astronomical binoculars with a rugged housing provide high-resolution views with a pleasing flat-field.
Fully waterproof and nitrogen purged construction prevents lens fogging.
High-quality BAK-4 prisms and advanced multi-coatings on all optical surfaces provide maximum light throughput for bright views rich in contrast.
The high-power 15x70 Resolux binoculars have a nice 4.4-degree field of view for big views.
Attachment to a tripod with the included tripod adapter is recommended for extended use.

Delicate Connoisseur: The 25x30 spyscope is a stylish collapsible scope that combines elegance and classic styling in a precision-made optical device..
Precision Optics: Fully coated lenses and BK-7 prisms transmit bright contrast-rich images, making this spyscope as beautiful to look at as it is to look through..
Functional Décor: The 25x spyscope is useful for bird watching and landscape observation, as well as a stunning addition to your library/office decor..
Easy Transport: The collapsible design and included leatherette case make it easy to bring the scope along your side..

BaK-4 PRISMS WITH PHASE AND DIELECTRIC COATINGS: This premium-quality binocular features BaK-4 Prisms with Phase and Dielectric Coatings, which allow for increased light transmission through the prism system for brighter and sharper images with enhanced contrast and resolution. All other optical surfaces are fully multi-coated with anti-reflective coatings to enhance image detail even more.
DURABLE, LIGHTWEIGHT BODY: The TrailSeeker Binocular has a durable magnesium alloy frame that is light in weight and fully waterproof for use in any weather conditions. It is ergonomically designed to ensure easy handling during use in the field, making it a great bird watching binoculars for adults.
WIDE FIELD OF VIEW: The Celestron TrailSeeker binocular features 8x magnification and a wide field, so you can follow your subject more easily with less need to move the binoculars. Angular Field of View 7.87 Degrees.
METAL MULTI-STOP TWIST UP EYECUPS: Metal eyecups are sturdy, durable, and offer a longer lifespan than plastic eyecups. They also feature a multi-stop function for correct positioning of the eyes with or without eyeglasses.

10-30x magnification offers you different viewing experience, Install our tripod bracket， which allows you to catch more details as well as locate moving targets..
Waterproof performance:Waterproof And Fogproof - Nitrogen Gas Purged And O-Ring-Sealed To Prevent Fogging, Moisture, Dust And Debris From Penetrating Your Monocular For Reliable Performance In All Environments..
Prisms:HD Optical Glasses With Premium Fully Multi-Coated All Glasses Lens And BaK4 Prisms Ensure You To Enjoy A Vivid And Meaningful Life While You Are On Outdoor Birding, Travelling, Sightseeing, Hunting, etc..
Focusing effect：Large & Smooth Central Focusing Knob Allows You Easy And Quick To Focus The Fast Moving Objects. And You Will Not Miss Any Exciting And Amazing Moments, Especially While You Are Watching Your Favourite Games..
Sturdy appearance: Anti-Slip Finish Rubber Armor And Twist-up Eyes Cups Are Made Of User - Friendly Materials, Which Make This Zoom Monocular Durable, Special and Attractive.Ideal for outdoor enthusiasts and wilderness explorers, a handheld and must-have for bird watching, wildlife, hunting, hiking, mountaineering, camping and traveling..