Best Achromatic Spherical Lens

OMAX 40X-2500X Digital Infinity Trinocular Polarizing Metallurgical Microscope with 9MP Camera and 100X Dry Objective

  • Total magnification: 40x-80x-100x-200x-250x-400x-800x-1000x-2000x-2500x.
  • Eyepieces: wide field WF10X/20, WF20X and WF25X.
  • Objective: infinity-corrected plan field achromatic DIN 4x, 10x, 40x(Spring, WD 2.8mm), 100x(Spring, Dry, WD 0.7mm).
  • Head: 30 degrees inclined 360 degrees rotatable trinocular siedentopf head.
  • Illumination system: 6V/30W halogen bulb, position adjustable, intensity adjustable, with built-in condenser, iris aperture diaphragm, iris field diaphragm, 2 color filter slots and polarizer/analyzer slots.
  • Stage: triple layer mechanical stage with clips, size: 15cm - 14cm, translation range 50mm x 75mm.
  • Focus mechanism: Coaxial coarse and fine knobs on both sides with adjustable tension control and stop ....
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OMAX 40X-2500X Digital Infinity Trinocular Polarizing Metallurgical Microscope with 14MP Camera and 100X Dry Objective

  • Total magnification: 40x-80x-100x-200x-250x-400x-800x-1000x-2000x-2500x.
  • Eyepieces: wide field WF10X/20, WF20X and WF25X.
  • Objective: infinity-corrected plan field achromatic DIN 4x, 10x, 40x(Spring, WD 2.8mm), 100x(Spring, Dry, WD 0.7mm).
  • Head: 30 degrees inclined 360 degrees rotatable trinocular siedentopf head.
  • Illumination system: 6V/30W halogen bulb, position adjustable, intensity adjustable, with built-in condenser, iris aperture diaphragm, iris field diaphragm, 2 color filter slots and polarizer/analyzer slots.
  • Stage: triple layer mechanical stage with clips, size: 15cm - 14cm, translation range 50mm x 75mm.
  • Focus mechanism: Coaxial coarse and fine knobs on both sides with adjustable tension control and stop ....
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National Geographic RT70400-70mm Reflector Telescope with Panhandle Mount

  • Lens Size 70mm, Focal Length 400mm, Eyepiece Size31.7 mm / 1.25 in.
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AmScope A20X 20X Achromatic Microscope Objective

  • This brand new 20X Achromatic microscope objective lens fits common size (DIN/JIS standard) compound microscopes.
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UTRAX Prism Bed Specs Laying in Tv Book Reading Lazy Glasses Periscope Eyeglasses Spectacles

  • Achromatic mineral lens with anti-reflective treatment.
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OMAX 100X (Oil, Spring) Achromatic Compound Microscope Objective Lens

  • Standard 100X/1.25, DIN 160/0.17 achromatic objective lens (spring, oil).
  • 1-year warranty against manufacturing defects.
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Motic 1100100402251 BA310 Trinocular Polarizing Microscope, 20/80 Light Split

  • Lead-free manufacturing in full compliance with RoHS regulations.
  • Transmitted light illumination, 6V/30W Halogen.
  • Adjustable field diaphragm and aperture diaphragm for an homogenous illumination.
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National Geographic -CF600 Pan Handle Telescope Carbon Fiber 60mm

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NATIONAL GEOGRAPHIC 8x32 Children s Telescope

  • Lens Size 70mm, Focal Length 400mm, Eyepiece Size31.7 mm / 1.25 in.
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Phone Camera Lens,TODI 4K HD 2 in 1 120° Wide Angle Lens, 20X Macro Lens,Clip-On Phone Lens Compatible iPhone,Samsung, Most Andriod Phones No Distortion

  • ✔️ Superior Quality Design : Differed from normal spherical lens on the market,our phone camera lens adopted with world advanced Aspherical lens to minimizes lens glare, reflection and ghosting for superb clarity,which can eliminates the spherical aberration and barrel distortion,providing you an experience of DSLR quality performance and capture dramatic scenery like beaches, skylines or landscapes..
  • ✔️ 4K HD Wide Angle Lens : Shoot stunning photos of people, pets, travel scenery, landscapes, architecture, selfies and more. NO DARK CORNERS (vignetting) like cheaper lenses. Crafted from aircraft-grade aluminum and premium optical glass for durability and clarity. Multi-element, coated glass lenses minimize ghosting, reflections, lens flare, and other artifacts. Mirrorless camera lenses ideal for hobbyists and photography pros alike..
  • ✔️ Super Macro Lens : Magnify Nearby Subjects For Breathtaking, Super Close-up Photos, Capture all the intricacies and details with precision-focus for razor crisp macro photos every time. (For best results, position macro lens approximately 1/2 inch from subject.) fasten your lenses to your cell phone when you're in action mode, framing your next perfect shot.（Metal texture design clips for added stability.....
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