Reviews Blocking Filter

Astromania 1.25' IR/UV Blocking Filter - Keeps Your Planetary Images Sharp

  • Really sharp planetary images are only possible using an IR/UV blocking filter. This Astromania filter only allows the visible light between 400 and 780nm through. The UV and IR regions of the spectrum are completely blocked..
  • CCD exposures of planets and stars - sharp images: A CCD camera is not only sensitive to visible light but also to other wavelengths. Planets not only shine in visible light, but also in the infrared for example. But they are out of focus in the IR region. The Astromania filters only lets through the visible light, the light that is really 'wanted', meaning sharp planetary images..
  • Blocking UV light: The harmful UV rays that can contribute to cataracts are filtered out. The filter is also essential when using a Herschel wedge..
  • The advantages in a nutshell: Only lets through visible light.
  • particularly useful for planetary imaging with webcams.
  • continued in a robust 1.25" aluminium housing..
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Gysnail Blue Light Blocking Computer Glasses Men/Women, Eye Fatigue Relieve & Better Sleep, Professional Anti Blue Filter Yellow Tinted Lens

  • [Blue Light Filter Orange Lens] -- Anti-blue light filter glasses which blocking 99% harsh harmful blue ray and UV400,Blue light blocking computer glasses is Professional for people who work long hours on computers, tablets, games, on the phone or on TV..
  • [Reduce Eyes Strain & Sleep Better] -- Alleviates visual fatigue and discomfort from long periods of web surfing, gaming and working under fluorescent lights with UV400 protection and glare reduction. Enjoy your digital time, no worry about eye fatigue, blurred vision and headache,and you will have a restful deep sleep..
  • [Wide-field Comfortable Frame ] -- Classic design for maximum the wide-field yellow lenses, which will keep broader view. Unbreakable,water proof, durability and comfortable TR90 frame, suitable for a long-term wearing.  Exquisite carved square frame make you looks professional and fashionable when working or reading..
  • [Replaceable Lens]-- These lens are easily replaceable.If you don't have the corresponding lens, you can inquire if the opticians can Filling a prescription in the store.So you can wear them as your regular glasses all the time..
  • [Gift Ideas Package] --1*blue Light Blocking Glasses.
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Magicmoon 22 Inch Computer Privacy Screen Filter Anti-Spy/Glare Protector Film for Widescreen Monitor with 16 10 Aspect Ratio Width x Height 475mm x 298mm

  • Compatible Model(s): Magicmoon Brand Filter only for 22 inch (559mm) DIAGONALLY MEASURED - WIDESCREEN MONITORS - Aspect Ratio 16:10 - Filter Size:....
  • KEEP INFORMATION PRIVACY: Effective "black out" privacy from side views outside the 60-degree viewing angle. Designed for optical clarity when viewing....
  • EYE & SCREEN PROTECTION: Privacy Filter does not only protect your private life but also protects your eyes by blocking 30% of blue light , blocking....
  • Great for maintaining screen privacy in high traffic areas such as open work spaces, airports, airplanes, commuter trains, coffee shops and other....
  • EASY INSTALLATION: Choose between 2 simple Options.
  • Slide-On/Off or Mounted. If you meet any questions, please feel free to contact us..
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for MacBook Pro 13 Anti-Glare Anti-Blue Light Screen Protector Filter,FILMEXT MacBook Pro 13 inch 2016~2022 M1/M2 Eye Protection Blue Light Blocking Filter Reduces Digital Eye Strain

  • 1. 69.7% Blue Light Blocking Filter :for Macbook pro 13 inch M2 (2022-2016) 69.7% blue light blocking filter blocks the harmful blue light....
  • 2. The latest black frame silicone seal design, easy to install and remove, 100% bubble-free. The blue screen protector for computer macbook....
  • 3. Package contents: Anti-blue light screen protector filter×1pcs, microfiber cleaning cloth×1pcs, installation cleaning kit×1set..
  • 4. Blue light screen protector laptop workable for short-sighted people, students, office workers, social media addicts, online gamers,....
  • 5. Refer to the instructions for the installation. Clean the screen and ensure it is dust-free, align the product to screen, gently press over....
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Urth 37mm Infrared R72 Lens Filter Plus+

  • PRO INFRARED PHOTOS | Urth Infrared (R72) Filter Plus+ cuts all wavelengths of visible light so only infrared light (above 720nm) reaches your camera sensor..
  • BEAUTIFUL CONTRAST | Our Infrared Filter lets you capture the dramatic high-contrast details of usually invisible infrared light. Backed by our lifetime warranty..
  • IR72 GLASS | Enjoy professional clarity, true light transmittance, and exceptional infrared images with our 20-layer nano-coated IR72 glass..
  • UNIQUE PHOTOS | Explore the unique details revealed by infrared light. Please note, this filter is not compatible with cameras that have an IR blocking filter in front of the sensor..
  • PLANT 5 TREES | This Urth filter funds local communities to plant 5 trees in areas affected by deforestation..
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Urth 52mm Infrared (R72) Lens Filter (Plus+)

  • PRO INFRARED PHOTOS | Urth Infrared (R72) Filter Plus+ cuts all wavelengths of visible light so only infrared light (above 720nm) reaches your camera sensor..
  • BEAUTIFUL CONTRAST | Our Infrared Filter lets you capture the dramatic high-contrast details of usually invisible infrared light. Backed by our lifetime warranty..
  • IR72 GLASS | Enjoy professional clarity, true light transmittance, and exceptional infrared images with our 20-layer nano-coated IR72 glass..
  • UNIQUE PHOTOS | Explore the unique details revealed by infrared light. Please note, this filter is not compatible with cameras that have an IR blocking filter in front of the sensor..
  • PLANT 5 TREES | This Urth filter funds local communities to plant 5 trees in areas affected by deforestation..
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Urth 95mm Infrared (R72) Lens Filter (Plus+)

  • PRO INFRARED PHOTOS | Urth Infrared (R72) Filter Plus+ cuts all wavelengths of visible light so only infrared light (above 720nm) reaches your camera sensor..
  • BEAUTIFUL CONTRAST | Our Infrared Filter lets you capture the dramatic high-contrast details of usually invisible infrared light. Backed by our lifetime warranty..
  • IR72 GLASS | Enjoy professional clarity, true light transmittance, and exceptional infrared images with our 20-layer nano-coated IR72 glass..
  • UNIQUE PHOTOS | Explore the unique details revealed by infrared light. Please note, this filter is not compatible with cameras that have an IR blocking filter in front of the sensor..
  • PLANT 5 TREES | This Urth filter funds local communities to plant 5 trees in areas affected by deforestation..
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Genuine Winix 116130 Replacement Filter H for 5500-2 Air Purifier , White

  • Genuine Winix brand replacement for the Winix 5500-2 air Purifier.
  • Includes a 99. 97Percent efficient true HEPA, capturing particles to 0. 3microns.
  • With an advanced odor control aoc Carbon filter for blocking VOCs, fumes and odors.
  • Winix original filter providing correct airflow.
  • Filters last ONE YEAR! Change filters when check filter indicator turns on..
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for Surface Laptop 4/3/2/1 13.5 inch Anti-Glare Anti-Blue Light Screen Protector,Easy Installation & Bubble Free,Eye Protection Blue Light Blocking Filter Compatible with Surface Laptop 4/3/2/1 13.5

  • 1. FILMEXT 69.7% Anti-Blue Light Blocking Filter: for Surface Laptop 4/3/2/1 13.5 inch 69.7% blue light blocking filter blocks the harmful....
  • 2. The surface laptop screen protector with latest black frame silicone seal design, easy to install and remove, 100% bubble-free. The blue....
  • 3. Package contents: Anti-blue light filter×1pcs, microfiber cleaning cloth×1pcs, installation cleaning kit×1set..
  • 4. Workable for short-sighted people, students, office workers, social media addicts, online gamers, fashion lovers, etc..
  • 5. Refer to the instructions for the installation. Clean the screen and ensure it is dust-free, align the product to screen, gently press over....
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Foto4easy 43mm Infared Filter,Adjustable 530nm to 750nm Infrared X-Ray IR Filter for DSLR Camera Lens

  • ...olid state (CCD or CMOS) video cameras to allow IR due to the high sensitivity of many camera sensors to near-infrared light. These filters typically have a blue hue to them as they also sometimes block some of the light from the shorter visible light and UV wavelengths..
  • Digital cameras are usually equipped with IR-blocking filters to prevent unnatural-looking images. IR-transmitting (passing) filters, or removal of factory IR-blocking filters, are commonly used in infrared photography to pass infrared light and block visible and ultraviolet light. Such filters appear black to the eye, but are transparent when viewed with an IR sensitive device..
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