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Best Achromatic Doublets Lens

AmScope A10X 10X Achromatic Microscope Objective

  • This is a brand new 10X Achromatic microscope objective lens with high quality.
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AmScope PA60X 60X Plan Achromatic Microscope Objective Lens

  • This brand new 60X Plan Achromatic microscope objective lens fits common size (DIN/JIS standard) compound microscopes.
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10x Magnifier Jewelry Loupe 20.5mm Triplet Lens Optical Glass Pocket Gem Magnifying Tool for Jeweler, Stamp Philatelist, Coin numismatic, Achromatic Black Hexagonal Design Kit Set

  • 10x MAGNIFICATION with 20.5mm Lens Diameter, Triplet lens, Achromatic optical glass, Metal (Aluminum) body with a hexagonal black frame.
  • PROFESSIONAL KIT SET: includes 10x Jewelry Loupe, High-quality protective case, Lens cleaning cloth and Quickly detachable lanyard cord. A ready-to-go kit set designed for both hobbyists and professionals. .
  • ACHROMATIC LENS: limit the effects of chromatic and spherical aberration eliminating color degradation.
  • TRIPLET LENS: 3 singles lens bonded together with excellent color sharpness and clarity.
  • APPLICATION: Great for jewellers, mechanics, machinists, stamp & coin collectors, arts & crafts, photographers, hobbyists, watchmaker and other fields that require a micro view of the target object..
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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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Telescope Finderscope Mount, Finder Scope Mounting Bracket Dovetail Slot Plate, Dovetail Base for Finder Scope

  • The SV182 finder scope with 6x power magnification and a 30mm diameter lens collects ample light to make aiming your telescope easy and fun.
  • The SV182 finder scope features fully muilt coated achromatic finder scope optics.
  • Can effectively eliminate aberrations and chromatic aberrations.
  • 2 plastic adjustment screws with a 90 degree angle and a fixed spring push-pull screw.
  • only need to adjust 2 screws to quickly find the target.
  • the inside of the SV182 finder scope fully threaded to minimize reflections.
  • SV182 finder scope net weight is 0.49lb that won't add excessive weight or bulk to your OTA.
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2pc Jewelers Eye Loupe Set 10X Magnifying Glass

  • 10x MAGNIFICATION with LED & UV Light, 21mm Lens Diameter, Triplet lens, Achromatic optical glass, Metal (Aluminum) body.
  • PROFESSIONAL KIT SET: includes 10x Jewelry Loupe, High-quality protective case, Lens cleaning cloth and Quickly detachable lanyard cord. A ready-to-go....
  • TRIPLET LENS: 3 singles lens bonded together with excellent color sharpness and clarity.
  • APPLICATION: Great for jewelers, mechanics, machinists, stamp & coin collectors, arts & crafts, photographers, hobbyists, watchmaker and other fields....
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Eisco PH0619 Laboratory-Grade Spectrometer, 0 to 360 Degree Rotation, 1 Degree Graduations, 0.1 Degree Vernier Scale

  • Goniometer-type spectrometer provides hands-on experience observing and measuring light spectra.
  • 0 to 360 degree rotation, 1 degree graduations, and 0.1 degree vernier scale.
  • Collimator has an adjustable slit, an achromatic converging lens with a 178mm focal length, and a locking screw.
  • Prism table with 175mm diameter rotates around the central axis and has three leveling screws to ensure precise placement.
  • Astronomical-type telescope has achromatic objective and Ramsden eyepiece with crosswire, and is mounted on heavy bearing to rotate around the central axis of the instrument.
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Adorama 8X Purpose Magnifier Loupe for Photographic Contact Sheets and Negatives

  • 360 degree clear acrylic base admits light from all directions.
  • Measures 1-7/64" diameter by 1-11/64" height.
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OMAX 50X-787.5X Touchpad Screen Trinocular Ore Petrographic Polarizing Microscope with Bertrand Lens

  • Head: Trinocular, 45 degrees inclined 360 degrees rotatable, interpupillary adjustable, diopter rings on both ocular tubes.
  • Eyepieces: 10X (a pair of regular, and one with reticles, one with crosshair, and one with grids).
  • Nosepieces: Quadruple, objective center adjustable.
  • Objectives: DIN strain free achromatic - 4X/0.10.
  • Total magnification: 50X - 125X - 312.5X - 500X - 787.5X.
  • Objectives: DIN strain free achromatic - 4X/0.1....
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SVBONY SV118 Barlow Lens 1.25 inches 2X Achromatic Metal Barlow Lens Telescope Accessory for Astronomy Telescope Eyepiece

  • SV118 1.25" 2x achromatic Barlow lens effectively doubles the magnification of each eyepiece.
  • SV118 barlow lens uses two element fully multi coated for excellent transmission and the internal housing is baffled to eliminate unwanted reflections and increase contrast.
  • The Barlow lens’ role is not only to improve the image quality.
  • SV118 2X barlow lens provide a high power magnification allow you look more closely and more detailed at the moon's surface and other planet.
  • It's a great Halloween birthday christmas gift.
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BelOMO Jewelers Loupe 10x Triplet Magnifier with LEATHER CASE 21mm .85 Folding Magnifier

  • Professional Metal Handheld 10x Magnification Triplet With LEATHER CASE..
  • Large 0.65'' (17mm) Viewing Area for Pocket Magnifying Glass with Anti-Reflection (AR) Coating..
  • Hastings loop with Large 21mm(0.85'') Achromatic Triplet Lens Gathers Light for a Bright, Clear and Color Correct View..
  • Optical Quality Glass Lenses, each BelOMO hand loupe is certified just like a camera lens..
  • Inspection Rocks, Minerals, Jewelery, Diamonds, Coins, Botany, Stamps, Gemstone, Plant. Hand lens for Science, Geological..
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BelOMO 20x Quadruplet Loupe Magnifier with Leather CASE. 17.5mm (.5\) Folding Magnifier

  • 20x Magnification Power- Extreme Handheld Magnification.
  • Focal Length 13mm (0.50'') Achromatic Triplet Lens Gathers Light for a Bright, Clear and Color Correct View..
  • Optical Quality Glass Lenses, each BelOMO loupe is certified just like a camera lens..
  • Great for very fine objects like needles, razor edges, knife edges, and micro crystals..
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Microscope Lens,4X 185 Biological Microscope Achromatic Objectives Lens 160/0.17 5×5×5cm Eliminate Unwanted Reflections

  • ✔【4X Magnification】- DM-WJ001 Mode Biological microscope Achromatic Objectives Lens, offering high quality observation without additional chromatic aberration, make image more clear..
  • ✔【Conjugate Distance 185 】- The 185 conjugate distance is the distance between the object plane and the image plane of the objective lens in the microscope system. Working distance (W.D) 35.6mm..
  • ✔【Standard RMS Thread】- Standard RMS thread, 20mm mounting size, please confirm the size of your microscope thread before purchase..
  • ✔【Objective Lens Length 30.5mm】- The Length of the objective lens is 30.5mm, easy to use. It can eliminate unwanted reflections and increase contrast..
  • ✔【Excellent Material】- The outer casing material of the objective lens is made of aluminum alloy and is durable. Customers can use it at ease..
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