ReviewsPlano convex Squareness Cylindrical Lens

Double Convex Lens, 50mm Focal Length, 1.5' (38mm) Diameter - Spherical, Optically Worked Glass Lens - Ground Edges, Polished - Great for Physics Classrooms - Eisco Labs

  • DOUBLE CONVEX || Highly polished, double convex lens.
  • SPHERICAL || Lens measures 1.5" (38mm) in diameter.
  • 50MM FOCAL LENGTH || Converging lens with a 50mm focal length.
  • OPTICALLY WORKED GLASS || Made of high quality, optically worked glass. Highly polished with ground edges.
  • GREAT FOR PHYSICS CLASSROOMS || This optically true lens is excellent for physics classroom demonstrations in optics and light refraction.
Check Stock

Antique Desk Magnifying Glass Desktop Vintage Style Engraved' DOLLOND London' Magnifier Reading Magnifying Glass for Reading Book Traditional Brass Magnifying Glass by MAI

  • MAGNIFYING GLASS :- A Magnifying Glass Is A Convex Lens That Is Used To Produce A Magnified Image Of An Object. A Magnifying Glass Can Be Used To Focus Light, Such As To Concentrate The Sun's Radiation To Create A Hot Spot At The Focus For Fire Starting..
  • FUNCTIONAL :- Portable Design, Convenient To Carry. Fully Functional Piece That Also Makes A Great Decorative Accent. Adjustable Very Beautiful Desk Top Magnifier. This Magnifying Glass Are Extendable..
  • SIZE :- 112 Mm X 65 Mm, 4.5 X 2.5 Inches, Lens Size 4"( 100 Mm )Total Height Upto 3 Inches ( Approx. ) Weight: 0.592 Gm.
  • USAGE :- Office Table Decorative And Map Reader, Checking Jewelry Etc. - Vintage Design Is Unique In Its Own And Heavy Weight Item Gives Your Place An Elegant Feel. It Comes With Good Quality..
  • MAGNIFYING WORK :- A Magnifying Glass Is Actually The Simplest Form Of A Basic Microscope. It Consists Of A Single Convex Lens That Magnifies An Object When The Glass Is Held Up To It. ... When They Pass Through A Magnifying Glass, The Convex Lens Bends The Parallel Rays So That They Converge And Create A Virtual Image On Your Eyes' Retinas..
Check Stock

Hemobllo Optical 3D Lens for Magnifier - 20 Pcs 42mm Diameter Double Convex Lenses 68mm Focal Lengths Biconvex Lens Magnifying Glass Lens Optical Plastic PMMA Lens

  • 3D Magnifying Lens: Our 3D lens has a large viewing angle, which is suitable for reading newspapers, books, magazines, maps, science, jewelry, inspection, rocks, handicrafts and so on..
  • Magnifier Lens: This magnifying glass lens can help you read grocery store labels, restaurant menus, prescription bottles, and other things printed with fonts that are too small to read..
  • Double Convex Lens: It is easy to store and can be put in a desk or purse. Please note that the two sides of this lens protrude to different degrees, with one side protruding a little more and the other side protruding a little less..
  • Premium Material: Made of high-quality optical grade PMMA acrylic material, with high transparency and durability. The magnification is 4.7 times. The light transmittance is over 93%..
  • Great Gift: This double convex lens can be a nice gift for your grandparents who are presbyopic or have failing vision..
Check Stock

BRADDELL OPTICS FL-41 Rose Tinted Blue Light Glasses for Migraine Light Sensitivity, Eyestrain and Computer Screen Glare

  • Strong Lightweight Aluminum frame with Sports Grade Anti-UV Polycarbonate lens.
  • FL-41 Deep Rose Tint with Wrap-around Design.
  • Minimize Migraine Light Sensitivity and Photophobia.
  • Protect against Harsh Fluorescent Lighting and Electronic Computer Screen Glare.
  • Plano Lens with Premium AR Coating - VLT 40%.
Check Stock

Atomic Revent OTG Goggles Mens Black/Blue

  • This next-generation cylindrical double lens uses lamination instead of an additional foam layer which means a 15% larger field of vision, no refractions, reflections or fogging. All our cylindrical Fusion double lenses are of optical class 1..
  • Live fit frames are built with a flexible grid construction and feature adaptive tri-layer foam that instantly molds to the contours of your face – creating an individual fit right out of the box..
  • Otg (‘over the glasses’) goggles are specifically designed for people who ski with prescription eyewear. Extra grooves in the (slightly larger) frame accommodate the temple arms of your glasses..
  • Flash lens technology includes one layer of high-quality mirror coating – for reduced glare, optimized clarity and an enhanced skiing experience..
  • The inner lens of all our FDL lenses offers Up to 8x more anti-fog properties than industry standards, withstanding fogging for over 240 seconds in controlled lab tests (vs. The standard test length of 30 seconds)..
Check Stock

MONKEY FOREST Ski Goggles,Interchangeable Lens Anti-Slip Strap Snowboard Goggles

  • Wide View & Comfortable - The large cylindrical, lens provides a truly unobstructed & wide view of the slopes. Ski Goggles with three layers of breathable foam and high-quality TPU frames can make you feel comfortable and let you enjoy skiing with all your heart..
  • Interchangeable Lens & Magnet Design - The extra large cylindrical lens is secured by 8 magnets under a stabilization bezel to offer peripheral view and distortion-free clarity. It stays firmly while you are on the slope, but will pop out easily when lens-switch is needed..
  • High performance UV Protection & Anti-fog - Ski goggles with unique anti-fogging treatment and 100% UV400 protection coating. This snow goggles gives you a fog free environment while you are enjoying skiing..
  • OTG & Anti slip strap - Over the glass designed ski goggles to fit small to medium size glasses. Anti slip and extra long elastic strap for better helmet compatibility and keep the snow goggles in place. Specially designed for skiers, more convenient and safer to use..
  • Professional Ventilation - Designed to reduce fogging and optimizes the flowing air over the inside of the lens. Snowboard goggles provide smooth air-flow system which brings fresh air and exhaust moisture quickly and effectively..
Check Stock

NZQXJXZ Large Magnifying Glass with Light 5.08'' Lens Handheld Magnifying Glass for Reading 3X 6X Lighted Magnifier with 4 LED Lights for Seniors, Inspection, Exploring, Close Work

  • ...a large field of view. Magnifying glass with light is ideal for reading newspapers, documents, small brochures, coins, prints, stamps, jewelry, as well as crafts, needlework, plants, insects, etc..
  • 【Multifunctional Magnifying Glass】Our handheld magnifying glass consists of the main lens 3x and the small built-in convex lens 6x, which can be easily used by people with poor eyesight. Provides the same level of sharpness while zooming in 3x without distorting. 0.98in small convex lens can magnify any detail. Note: convex lens's image is carbe upright or inverted - object distance ≤ 3cm/1.2in is upright, otherwise the image/letter is inverted..
  • 【4 Mighty Illuminated LED 】This reading magnifier is equipped with 4 energy-saving LED lights, low energy consumption, and stable power without flickering. LED light illuminates evenly and brightly, providing healthy and comfortable lighting even in the dark, allowing people to read comfortably in the dark for a long time..
  • 【Comfortable & Ergonomic Handle】The handle of the large magnifying glass is ergonomically designed, both children and the elderly can hold it comfortably for a long time. The lighted magnifying glass needs 4AAA batteries (not included), turning on the LED light only needs to push the....
Check Stock

Giro Buster Youth Snow Goggle - Green Ant Farm Strap with Amber Rose Lens

  • EXPANSION VIEW (EXV) TECHNOLOGY — Perfected at Giro's test lab in Scotts Valley, California, this groundbreaking new frame design serves up unparalleled peripheral vision. We started with a helmet-compatible goggle, and then shaved down the frame rim and added frameless zones to optimize a massive spherical lens focused on the best possible peripheral vision in a goggle..
  • INJECTION-MOLDED CYLINDRICAL LENSES — Injection-molding a cylindrical lens helps refine optics and minimize distortion that can occur in thermo-formed cylindrical lenses..
  • OTG FRIENDLY — Engineered specifically for bespectacled skiers and snowboarders, goggles that are OTG (Over-The-Glasses) feature a finely crafted interior with extra volume to comfortably accommodate prescription frames. Increased air volume inside the goggle keeps your vision crisp, clear, and fog-free..
  • TRIPLE-LAYER FACE FOAM — Triple Layer face foam with microfleece facing..
  • SEAMLESS COMPATIBILITY — For optimal performance of both helmets and goggles, Giro products are designed to work together, ensuring a seamless interface between helmet and goggle for an exceptional fit and dependable, worry-free function..
Check Stock

Quiksilver QS-R Goggles Mens True Black Bustin Big Camo/NXT Varia MLV Red Lens

  • Lens Description: Silver lens colorway with category 3.
Check Stock

Spin Mop Pole for Floor Pole Handle Replacement Mop with Cotton Head for Cleaning 360 No Foot Pedal Version Green

  • ✿Unique design: Our mop rod has a humanized design that can be hung, which is convenient to store and save space so that the house is not crowded..
  • ✿Easy to use: The mop rod is equipped with a screw rod power device. When washing, loosen the switch and tighten the switch when mopping the floor to improve cleaning efficiency..
  • ✿Application: It fits press-type buckets, such as cylindrical, basket, style, flat convex, or cross convex etc..
  • ✿Reminder: After purchasing this mop rod, you need to install your own cotton head. The rotating rod can be reused and only need to replace the cotton head..
  • ✿Sturdy material: The mop rod is made of thickened and elongated stainless steel, which is durable and has a long service life..
Check Stock

Ajax Scientific-LI152-0050 Polished Glass Double-Convex (Bi-Convex) Lens, Spherical, 50 mm Diameter, 50 mm Focal Length

  • Double-convex (bi-convex) lens for demonstrating optical principles and effects for students.
  • Two outwardly curved surfaces converge light rays to a point.
  • Made of polished glass with ground edges.
Check Stock