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Steve Mower is a licensed dispensing Optician and creator of Mojo BluBlock Tints. Steve has over 30 years experience in the optical field. He has been a optical retail manager and has consulted on progressive lens development. Steve has been offering unique reading glasses solutions on-line since 2010. Steve is a member of Opticians Association of Virginia and Opticians Association of America.

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20141016 — Surface finish is described as the presence of defects with length scales of below 0.8mm in the machined surface. Longer defects are termed as form errors.

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Steve Mower - Updated July 29, 2024 Please Note: Mojo BluFilter Standard AR is discontinued. Choose Mojo UV+HEV+IR AR instead. Anti-Reflective Coatings (AR) Better Optical Quality and Appearance All quality lenses whether in telescopes, binoculars, and your smart phone's camera, have an anti-reflective coating. There is no such thing as 100% non-glare lenses but anti-reflective coatings for eyeglasses reduce reflections and glare. They look nicer and you get clearer vision. Anti-Reflective (AR) Coatings, or "Non-Glare" coatings are designed to increase the optical quality of lenses by "pulling" more light through the lenses. Typically, standard, non-blublock AR coatings pull over 99.95% of light through the lens.  A lens without AR will typically reflect off about 20% of the light hitting it. For eyeglass lenses this can look unsightly as people can see a lot of reflections off the front surface of the lenses. AR coated lenses look almost totally clear with very little reflection. How do you know if a lens has an AR coating? If you look at the lens straight on it will look very clear. Held to a slight angle you will see a shimmer of color. The color can be a mix of blue, green, yellow, purple depending on the combinations of minerals used in the AR stack. An AR stack is is the multiple layers of coatings that "pull" the light through the lens. Different manufacturers have their own AR stacks.  High quality AR coatings also have other layers of coatings that make the lenses more scratch resistant, block more UV, and make the lenses less easy to smudge and easier to clean (hydrophobic coatings). About Zoom meetings and lighting. A standard AR coating works best. Certain lights like ring lights can cause visible reflections. You can reduce this either by repositioning the light source or switching to a fluorescent light. Our best lenses for Zoom meetings: Mojo Standard AR Mojo UV-HEV-IR AR - New! Crizal Rock BluFilter Standard AR Mojo 1.67 Ultrathin Standard AR   ANTI-REFLECTIVE LENS TYPES   Standard AR Coatings Pull over 99.95% of light through the lens to your eyes. Cosmetics: Lenses are very clear with no surface glare. Lenses: Mojo Standard AR   BluBlock AR Coatings Specially designed to reflect off a percentage of blue light before entering the lens.  Allows beneficial blue light through to your eyes. Reduces reflections and unwanted glare. Cosmetics: A blue flash off the front surface of the lenses can be seen. This is blue light being reflected off. Lenses: Mojo BluBlock AR, Apex BluBlock AR-T, Crizal Prevencia AR       Blue Filter Lenses with Standard AR Coatings Lenses have a blue filter monomer which filters a percentage of HEV Blue Light. Standard AR Coating does not reflect off blue light. Allows beneficial blue light through to your eyes. Reduces reflections and unwanted glare. Cosmetics: No blue flash off the front surface of the lenses can be seen.  Great for video meetings. Lenses: Crizal Rock, Crizal Rock 1.67, Mojo UV-HEV-IR AR       Blue Filter Lenses with BluBlock AR Coatings (Hybrid) Lenses have a blue filter monomer which filters a percentage of HEV Blue Light. BluBlock AR Coating reflects off blue light. Allows beneficial blue light through to your eyes. Reduces reflections and unwanted glare. Cosmetics: Blue flash off the front surface of the lenses can be seen.  Provides superior blue light protection. Lenses: Zenspex 1.6 BluBlock AR, Kodak Total Blue 1.6 AR  Go here to see a video showing the relative effectiveness of these blublock lens types. Blue light reflected of of BluBlock AR Coatings can be seen: Our Lenses with AR Coatings BLUBLOCK AR LENS NAME  ~TOTAL HEV    BLUE FLASH    OPTION $ Mojo BluBlock AR ~25% YES $15 Apex BluBlock AR-T ~33% YES $20 Zenspex BluBlock 1.6 AR ~80% YES $50 Kodak Total Blue 1.6 AR ~80% YES $80         STANDARD AR LENS NAME ~TOTAL HEV BLUE FLASH OPTION $ Crizal Rock BluFilter Standard AR >20% NO $100 Mojo Standard AR 0.0% NO $15 Mojo Ultrathin 1.67 Standard AR 0.0% NO $60 Mojo UV-HEV-IR AR ~70% NO $60   See our AR Lenses Specifications Read our BluBlock Guide for help in selecting the right blue block option option for you.    Steve Mower is a licensed dispensing Optician and creator of Mojo BluBlock Tints. Steve has over 30 years experience in the optical field. He has been a optical retail manager and has consulted on progressive lens development. Steve has been offering unique reading glasses solutions on-line since 2010. Steve is a member of Opticians Association of Virginia and Opticians Association of America.

For over 80 years Edmund Optics has been a leading producer of optics, imaging, and photonics technology. Science & Technology

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Alkor Technologies manufactures optical components made of the Infrared materials, crystals and Fused Silica. Our materials cover the entire spectral range from the UV through Far Infrared.

Alkor Technologies provides a range of high quality custom infrared optical components specifically suited to infrared wavelengths for a host of IR applications.� A range of materials are available for use from 2.6�m to 45�m, however some materials such as Lithium Fluoride, Calcium Fluoride and Magnesium Fluoride work efficiently in deep UV and other materials such as low OH IR fused quartz is also suited to visible and NIR spectrums. Our high quality Infrared optical components that are available as custom solutions include windows, prisms, spherical, meniscus and diamond turned lenses and ground blanks. We also provide custom solutions for a range of IR optical filters, IR polarisers, IR beamsplitters and IR gas cells.

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It is a 450nm dot blue laser module, blue laser line generator.

I've got pretty bad close up vision and often rely on handheld magnifying glasses to see close up. Unfortunately, the ones I have (from ...

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All quality lenses whether in telescopes, binoculars, and your smart phone's camera, have an anti-reflective coating. There is no such thing as 100% non-glare lenses but anti-reflective coatings for eyeglasses reduce reflections and glare. They look nicer and you get clearer vision.

Oct 9, 2022 — Zooming in and out: As one adjusts the focal length of zoom lenses, the internal elements move, causing shifts in the distortion pattern. A lens ...

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What does optical resolution actually mean? Find out inside PCMag's comprehensive tech and computer-related encyclopedia.

About Zoom meetings and lighting. A standard AR coating works best. Certain lights like ring lights can cause visible reflections. You can reduce this either by repositioning the light source or switching to a fluorescent light.