Top Bk7 Plano convex 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.
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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..
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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..
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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%.
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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....
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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.
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Anti-Glare Blue Light Blocking Rimless Glasses for Fluorescent LED Glare Computer Eye Strain Sleep and Migraine Light Sensitivity Amber Orange

  • Stylish Ultra Light Weight and Slim Stainless Steel Rimless Design with Sports Grade Polycarbonate Lens and Premium AR Coating.
  • Protect against Harsh Fluorescent Lighting and Screen Glares! Reduce Eyestrain and Fatigue!.
  • Minimize Migraine Light Sensitivity and Light Triggers by Reducing Melanopsin Activation!.
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ThinOptics Milano Aluminum Case + Frontpage Brooklyn Rectangular Reading Glasses Clear Frames/Blue Light Filtering 44 mm + 1.5

  • CONVENIENCE: Ultra portable, the ThinOptics Readers + Anti-Fog Lenses & the Universal Pod case features a non-residue adhesive to stick onto your....
  • STRENGTH: All ThinOptics Computer Glasses are super durable. The frames are made of shatterproof, thermo-injection molded, optical-grade....
  • QUALITY: We use the same non-polarized lens material regularly seen in high-end prescription glasses. These lenses are available in plano lens as well....
  • FIT: With a 15mm bridge width, 42mm lens width and 132mm temple length, the full-size frame and stainless steel (hypo allergenic) temple of these....
  • CONVENIENCE: Every pair of ThinOptics Computer Glasses + Milano Case is imbued with a mild yellow filter to block blue light and comes with a....
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Plano Pro-Max Series Single Scoped Rifle Case with PillarLock, Black, Hard Shell Rifle Case, Crush-Proof Protection for Firearms and Firearm Accessories

  • PLANO PRO-MAX SERIES GUN CASE: Protect your firearms from damage with the Plano Pro-Max Series Contoured Rifle Case with Pillars – a hard-shell single gun case. The Pro-Max Contoured Rifle Case holds a scoped rifle with a large objective lens..
  • THICK-WALLED CONSTRUCTION with heavy-duty latches and a patented PillarLock system for crush-resistant strength keeps firearms safe..
  • HIGH-END SECURITY: Molded latches and padlock tabs offer added security. Pro-Max cases include a number of high-end security features to keep firearms safe and damage-free..
  • COMFORTABLE GRIP: Carrying shouldn’t be a burden. The molded-in carry handle is designed to reduce fatigue in transit..
  • PRODUCT SPECIFICATIONS: Made in the USA. Black case with the capacity for a single, scoped firearm. Not airline approved..
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Monotonous Blind

  • The fan-shaped blind spot mirrors are paired with the side rearview mirror corners to make them more attractive than other shapes.
  • 360 Degree design: the mirror is designed with 360 degree rotation, which can be adjusted up and down, swing left and right to maximize your viewing angle.
  • All convex mirrors are equipped with miniature adjustable rotating mounting bracket for easy adjustment.
  • A wide range of usage: convex mirrors can give drivers a wider perspective by reducing blind spots, making it safer to drive at high speeds and change lanes, especially at night.
  • It can also be applied normally in rainy days and foggy days to maximize your perspective when the fog and haze are serious.
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102MM F/2.8 EKTANAR C Slide PROJECTOR LENS

  • 1.Multi-layer coating technology, bringing 98% high light transmittance..
  • 2.Does not affect the phone pixels, keep the picture hd.The lens magnetic adsorption, easy to take.
  • 3.The fisheye lens has a super-angle of 180 degrees and has a strong visual effect..
  • 4.The front lens of the lens is short and parabolically convex toward the front of the lens, which is quite similar to the fish's eyes..
  • 5.Perfectly fits osmo action, it will not shake because of dimensional deviation, high precision and good effect.
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T20 IR 850NM 38mm Lens Infrared Light Long Range Night Vision LED Torch Kits -To Be Used with Night Vision Device with Scope Mount Pressure switch Battery and Charger

  • INVISIBLE IR LIGHT: T20 is NOT a regular flashlight with white LED for general lighting purpose. Utilizing Osram Oslon infrared light black 850nm LED....
  • LONG RANGE ILLUMINATION: T20 utilizes the OSLON IR black infrared LED - today's smallest and most advanced infrared LED with high efficiency, low....
  • SOLID AMD COMAPCT: Body made of Aircraft Aluminum Alloy. Housing Diameter: 1 inch (25.4mm).Fit with any 1 inch (25.4mm) ring and mount. Net Weight:....
  • TOP MATERIAL: Aircraft Aluminum, Premium Type 3 Hard-anodized nti-abrasive Coating. Toughened, Ultra Clear Glass Lens, with Anti-reflective ABS lens.....
  • OPTICAL CONVEX LENSE: Toughened, optical convex Lens, enables better focusing in for a condensed spotlight or back out for a flood effect, thus with....
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