ReviewsOptical Achromatic Lens

SVBONY 1.25 inches 3X Barlow Lens Fully-Multi Coated achromatic Lens Fully Metal Telescope Accessories for Astronomical Photography

  • triple the power of any 1.25" telescope eyepiece with the universal barlow lens.
  • For owners of fast short focal length telescopes.
  • the image will be clearer than the average increase in magnification up to 15 times the image clarity.
  • 3x Barlow triples the magnification of any 1.25” eyepiece.
  • Compatible with most 1.25 Inch diameter telescope eyepieces.
  • Includes both end caps to protect against dust and fingerprints.
  • This Barlow comes with a set screw to securely hold your eyepieces.
  • full unit increases magnification of eyepiece by 3x.
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2 Pack Jewelry Loupes 30X 60X 90X Illuminated Loupe Magnifier Jewelers Eye Magnifying Loupe with Bright LED Light and Lens Cloth for Jewelry Coins Gems Stamps Diamond, Silver Black

  • 10x Magnification Power - classic 3 lenses schema with the most useful magnification.
  • Large 21mm(0.85'') Achromatic Triplet Lens Gathers Light for a Bright, Clear and Color Correct View.
  • Large 0.65'' (17mm) Viewing Area - convenient in use for any subjects including diamonds, gems, knife's edge, coins, jewelry, trihomes.
  • Optical Quality Glass Lenses, each BelOMO loupe is certified just like a camera lens..
  • Great for rocks, minerals, jewelery, coins, stamps, part inspection and other intents and purposes.
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Right Angle Viewfinder with Adapter for Polar Scope, Built-in Diopter and 360°Rotating with 1X – 2X Magnification for A Comfortable View When Doing Polar Alignment

  • 9×50 finder scope with 50mm objective lens diameter, brighter DSOs directly visible..
  • Makes a large number of aditional stars available – a big plus for being able to successfully locate objects..
  • The 90° viewing angle makes your searching much more easy and comfortable, even near the zenith..
  • The achromatic optics provide a bright, true-to-life image at 9x magnification. In addition, the optical surfaces have been multi-coated to prevent irritating reflections..
  • Finder fits onto most telescopes, easy focusing at the objective lens. Adjustment of finder scope alignment via two screws and spring..
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SVBONY 2X Barlow Lens, Doubles The Magnification Telescope Barlow Lenses, 1.25 inch Multi Coated Broadband Green Film Telescope Accessory with M42 Thread for Standard Telescope Eyepiece

  • 1.25 inches 2x achromatic Barlow lens effectively double the capacity of an existing set eyepieces.
  • the barlow edges and inner barrel are blackened to provide maximum contrast.
  • Two elements one group of fully multi coated HD broadband green film optical glass for excellent transmission.
  • the internal housing is baffled to eliminate unwanted reflections and chromatic aberration.
  • SVBONY Barlow lens using togeter with 1.25 inches telesope eyepieces gets high power magnification for more closely and more detailed at the moon's surface and other celestial bodies.
  • The Barlow lens role is not only to improve the image quality.
  • the housing is precision machined from aluminum stock and black anodized to a hard finish.
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BelOMO Jewelers Loupe 10x Triplet Magnifier 21mm (.85\). Optical Glass with Anti-Reflection Coating for a Bright, Clear and Color Correct View. Foldable Loupe for Gems, Jewelry, Coins and Trichomes

  • 10x Magnification Power - classic 3 lenses schema with the most useful magnification.
  • Large 21mm(0.85'') Achromatic Triplet Lens Gathers Light for a Bright, Clear and Color Correct View.
  • Large 0.65'' (17mm) Viewing Area - convenient in use for any subjects including diamonds, gems, knife's edge, coins, jewelry, trihomes.
  • Optical Quality Glass Lenses, each BelOMO loupe is certified just like a camera lens..
  • Great for rocks, minerals, jewelery, coins, stamps, part inspection and other intents and purposes.
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Opteka 500mm/1000mm f/8 Manual Telephoto Lens for Canon EOS 80D 77D 70D 60D 7D 6D 5D 5Ds Rebel T7i T7s T6i T6s T5i T5 T4i T3i T3 T2i T1i SL2 and SL1 Digital SLR Cameras

  • Newest version achromatic refractor 500mm f/8 lens in T-mount.
  • 2x Teleconverter doubles the power of your lens to 1000mm..
  • High index, low-dispersion multi-coated HD optical glass to reduce flare.
  • Built-in tripod collar for improved lens balance.
  • Kit includes 500mm super telephoto preset lens, 2x doubler, t-mount, UV filter, lens hood, heavy-duty ir remote, lens pen, air blower, dust brush,....
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AR-15 Sounds

  • ...me of the sight. Fully multi-coated lenses, 11 brightness settings, 3 MOA Dot reticle, 1 inch riser mount and unlimited eye relief greatly improve target acquisition speed and accuracy..
  • Clearer & Brighter Red Dot: Different from other sights which use a cheap single lens, GODREAMIT red dot sight uses a high-quality achromatic doublet lens(also fully multi-coated lens), providing superior control for minimizing spherical aberration, reducing internal light loss and glare, ensuring even light transmission, making the red dot clearer and brighter. Allow you to achieve fast target acquisition more easily..
  • 11 Brightness Settings for Better Target Acquisition: Because of the high-quality materials and innovative structural designs, the brightness setting at each level is brighter than other cheap sights with 11 brightness settings. So you can easily adjust the red dot to the best brightness and quickly aim at the target..
  • Waterproof & Shockproof & Fogproof Design for Maximum Durability: The waterproof optics are O-ring sealed and will stay dry even go 30cm deep for 30 minutes. The high shock-resistant design makes the sight can withstand bumps, bangs, drops and the rough-and-tumble environment of the field. Nitrogen inside the sight ensures that interi....
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AR-15 [Explicit]

  • ...me of the sight. Fully multi-coated lenses, 11 brightness settings, 3 MOA Dot reticle, 1 inch riser mount and unlimited eye relief greatly improve target acquisition speed and accuracy..
  • Clearer & Brighter Red Dot: Different from other sights which use a cheap single lens, GODREAMIT red dot sight uses a high-quality achromatic doublet lens(also fully multi-coated lens), providing superior control for minimizing spherical aberration, reducing internal light loss and glare, ensuring even light transmission, making the red dot clearer and brighter. Allow you to achieve fast target acquisition more easily..
  • 11 Brightness Settings for Better Target Acquisition: Because of the high-quality materials and innovative structural designs, the brightness setting at each level is brighter than other cheap sights with 11 brightness settings. So you can easily adjust the red dot to the best brightness and quickly aim at the target..
  • Waterproof & Shockproof & Fogproof Design for Maximum Durability: The waterproof optics are O-ring sealed and will stay dry even go 30cm deep for 30 minutes. The high shock-resistant design makes the sight can withstand bumps, bangs, drops and the rough-and-tumble environment of the field. Nitrogen inside the sight ensures that interi....
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Gain Express 10 x 21mm Mini Folding Illuminated Loupe Jewelry Magnifier Pocket with LED Light, for Gems Jewelry Jewelers Eye Rocks Stamps Coins Watches Hobbies Antiques Gems

  • 10X MAGNIFICATION , 2-IN-1 with 6 LED Light and 21mm triplet lens to enable achromatically and alphabetically corrected..
  • White LED light helps to look at inclusions, perfect light for viewing diamonds and other gemstones..
  • Made with the finest quality optics and with top quality metal cases.
  • Achromatic & aplanatic optical glass magnifier.
  • Ideal for inspecting diamonds, gemstones, watches, and many more applications.
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AmScope PA4X 4X Plan Achromatic Microscope Objective

  • This brand new 4X Plan Achromatic microscope objective lens fits common size (DIN/JIS standard) compound microscopes.
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Astromania 9x50 Angled Finder Scope Black - You Will no Longer Need to Strain Your Neck at Difficult Angles and are Also able to Search for Objects which are not so Easy to find

  • 9x50 finder scope with 50mm objective lens diameter, brighter DSOs directly visible..
  • Makes a large number of aditional stars available - a big plus for being able to successfully locate objects..
  • The 90° viewing angle makes your searching much more easy and comfortable, even near the zenith..
  • The achromatic optics provide a bright, true-to-life image at 9x magnification. In addition, the optical surfaces have been multi-coated to prevent irritating reflections..
  • Finder fits onto most telescopes, easy focusing at the objective lens. Adjustment of finder scope alignment via two screws and spring..
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