Best Achromatic Doublets Lens

MONLEYTA Thumb Telescope Mini Pocket Super Miniature Monocular Binoculars Outdoor Tool

  • It has many names, such as the KGB special telescope and micro telescope..
  • It may be the smallest telescope in the world, and you can observe distant objects simply by putting it on your finger..
  • All use high-quality composite achromatic optical lens, high quality anti-reflective film..
  • Multiple real, high definition qualities..
  • Customer Satisfaction is Our Great Passion: Your satisfaction is 100% guaranteed! please be free to contact us if you are not satisfied for any reason.
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PEAK TS2038 Photographers Large Format Loupe, 4X Magnification, 1.77\ x 1.77\ Field View

  • Loupe is used for the inspection of negatives and pictures, as well as checking the focus on cameras.
  • It has a high resolution achromatic lens that has been corrected for any chromatic aberration and is adjustable for individual focusing.
  • The wide, square body makes it useful for many high precision, wide field inspection applications.
  • Measures 2" length by 2" width by 2-71/128" height.
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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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ZEISS Conquest Mono 3x12mm Monocular with T* Lenses, Black (522012-0000-000)

  • Zeiss T Anti-Reflective coating is designed to reduce surface reflections and, consequently, remove flares and ghost images, resulting in a clear, crisp picture.
  • Can transform your Victory FL and Conquest binoculars into a high-performance spotting scope by tripling magnification in the blink of an eye.
  • 3x magnification in a pocket-sized device.
  • Achromatic lens design minimizes chromatic and spherical aberration.
  • Schmidt-Pechan roof style prism allows for straight, compact design.
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Educational Insights GeoSafari Vega 600 Telescope, Telescope for Kids & Adults Beginners, Supports STEM Learning, Great to Explore Space, Moon, & Stars

  • Real working telescope made for kids. This lightweight telescope with all-glass optics up to 225x magnification is perfect for on the go celestial and terrestrial explorations.
  • Includes: 50mm objective lens, 2 eyepieces, 3x image erector, 2-element achromatic objective lens, 5x24 finder scope, and adjustable tripod (50" full-height).
  • The Educational Insights brand is going through an update on our packaging & product colors. Packaging design, and the color of some products may vary as we roll through the transition.
  • Supports STEM learning by encouraging scientific exploration and discovery.
  • PERFECT EDUCATIONAL TOY FOR THE HOLIDAYS: Feel good about giving educational toys that keep kids engaged, entertained and learning! We are dedicated in providing resources that keep your kids learning and having fun.
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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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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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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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AmScope T390B-3M Digital Professional Compound Trinocular Microscope, 40X-2000X Magnification, WF10x and WF20x Eyepieces, Brightfield, Halogen Illumination, Abbe Condenser, Double-Layer Mechanical Stage, 110V-220V Auto-Switching, Includes 3MP Came...

  • Digital trinocular compound microscope provides high magnification for biological use and educational applications, and has a 3MP camera with reduction lens and USB 2.0 output for capturing or displaying images on a computer or projector.
  • Sliding trinocular viewing head with pairs of 10x and 20x widefield achromatic eyepieces and sliding head to adjust interpupillary distance, fixed 45-degree vertical inclination to reduce eye and neck strain, and 360-degree rotation capability to provide a more comprehensive view and enable sharing.
  • Forward-facing nosepiece with 4x, 10x, 40xS (spring), and 100xS (spring, oil) DIN achromatic objectives that provide color correction of magnified images.
  • Brightfield halogen illumination and 1.25 NA Abbe condenser with iris diaphragm and rack-and-pinion focus control for precise focus, clear examination, and light control.
  • Double-layer mechanical stage, with 1.0mm stage divisions, locks slide into place and provides precise slide manipulation along the X- and Y-axis to allow coordinates to be recorded, enabling the viewer to return to a specific location on the slide.
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