Optical Glass Lens

Optical Glass Lens Set, 6 Lenses - 3 Double Convex, 3 Double Concave - 50mm Diameter - 20, 30, 50cm Focal Lengths(3) Double Concave -20,30,50cm Focal Length, (3) Double Convex - 20,30,50cm Focal LengthThis lens set is perfect for doing optical experiments comparing focal lengths and convex vs. conca... [Read More]

This is a perfect microscope for students to learn science. It comes with full optical glass elements, metal framework, 360 degree rotatable monocular head, and LED illumination. It offers five magnification settings, 40X, 100X, 250X, 400X and 1000X. It is an ideal microscope for home school or for ... [Read More]

Optical Glass Lens Set, 6 Lenses - 3 Double Convex, 3 Double Concave - 38mm Diameter - 20, 30, 50cm Focal Lengths(3) Double Concave -20,30,50cm Focal Length, (3) Double Convex - 20,30,50cm Focal LengthThis lens set is perfect for doing optical experiments comparing focal lengths and convex vs. conca... [Read More]

With Optix 55's Pre-Moistened Lens Wipes you can easily clean your eyeglasses, sunglasses, camera lenses and electronic device screens.About This Product:- Individually Wrapped Lens Wipes- Ammonia Free Formula- Quick, Easy & Efficient- Perfect For On The Go Use- Safe For Anti-Reflective GlassesAvail... [Read More]

This biological microscope with 14 piece slide preparation kit and informative book comes with an LED illumination system that can be powered by either batteries or wall-power supply. It is specially designed for both indoor and outdoor applications. It is portable and can be taken out to field site... [Read More]

Optical Glass Lens, Double Concave, 75mm Diameter, 20cm Focal Length(1) LensThis is a high quality, optically true lens.

The American Educational 6 Piece Glass Lens Set has lenses with different curvatures for demonstrating optical principles and effects for students. The set includes one each of the following lenses: double-convex, plano-convex, double-concave, plano-concave, concavo-convex, and convexo-concave. Doub... [Read More]

Our Koala Kloth uses a technologically advanced ultra fine Japanese microfiber yarn that's extremely strong and generates no particles to stick to your glasses. The ultra dense material has incredible absorption and its honeycomb matrix design catches and holds on to surface contaniments from your l... [Read More]

The U.S. Armed Forces' best-kept secret now available in the consumer market. Performance-tested sunglasses with classic aviator styling. The General has been a favorite of U.S. military pilots for more than 50 years. Engineered to rigid military specifications and issued to millions of U.S. Soldie... [Read More]

The MagniVisor Deluxe (CP-60) from the Carson PRO Series is a hands-free, head-worn magnifier included with 4 precision cut interchangeable acrylic lenses: 1.5x, 2x, 2.5x and 3x power magnifications. Once clipped onto the headset, the lenses can extend up to about an 85 degree angle if they are not ... [Read More]

EFINNY Women Men Classic Eyeglass Frames Eyewear Optical Plain Clear lens GlassesMaterial:Plastic& Metal FrameColor:A-D.as the picture showsSize:Front width 13.cm;Height 4.4cm;Lens width 5.3cm;Bridge width 1.5cm;Temple length 13.6cmPackage:1 pair of women girls

Features:This lens mount adapter is suitable for Nikon AI F lens to mount for Pentax K camera body.Made of premium aluminum alloy and brass, adopting anodized aluminum construction. Smooth surface for effortless mount. Install, remove and operate lens smoothly.There are no electrical contacts in the lens adapter ring.Exposure and focus has to be adjusted manually. Auto focus (AF) is not available.This lens mount adapter has a built-in corrective lens, which makes the adapter allow focus to infinity.Specifications:Model: AI-PKMaterial: Aluminum alloy and brassColor: BlackCompatible Lens: For Nikon AI F Mount lensesCompatible Camera: For Pentax PK mount camerasItem Weight: 71g / 2.5ozPackage

All of our productsWalmartply with international quality standards and are greatly appreciated in a variety of different markets throughout the world. The Clip& Flip magnifying lenses from turns any pair of regular glasses into a "flip-down" hands free magnifier. Simply clip the Clip&Flip magnifying onto the frame of your regular glasses. Then, flip the magnifier up for normal viewing or down for a magnified image. The Clip&Flip magnifying lenses have a 1.5x power magnification which is equivalent to +2.25 Diopters. The Clip&Flip magnifying lenses are perfect for reading, fly-tying, hobbies, crafts, model building, jewelry design and so much more. The