Best Adjustable Objective Lens

SVBONY SV503 Telescope 102ED F7 Extra Low Dispersion Achromatic Refractor OTA Micro-Reduction Rap Focuser for Astrophotography

  • 102mm objective lens diameter and f/7 focal ratio telescope OTA.
  • large objective lens brings more lights into the scope body and you will get more bright and clear image.
  • Doublet air spaced achromatic S-FPL51 ED glass provides you less chromatic aberration image.
  • ultra wide band multi-layer coating technology.
  • 102mm aperture optics and retactable lens hood deliver bright wide-field images with sharp resolution.
  • it comes with dual focus rack and pinion focuser with focus knob cover.
Check Stock

ZEISS Victory V8/HT Flip-up Rifle Scope Objective Lens Cover, 50mm, Black

  • Durable lens cover protects you objective lens from scratches, dirt, and other environmental hazards.
  • Designed for the the ZEISS Victory V8 series riflescopes.
  • Will not impare the field of view when open.
  • Can be fixed in any position for left- and right-handed use.
Check Stock

Carson FlashShield Kill Flash ARD Anti-Reflective Lens Device (BX-42),Black

  • The FlashShield is An Anti-Reflective Lens Device.
  • Easily Clips On To Most Full-Sized Binoculars and Riflescopes (32mm to 43mm Objective Lens Diameters).
  • Blocks Reflections Off Lenses | Lightweight and Easy to Use.
  • Helps Reduce Glare | Great for Hunting and Wildlife Viewing.
  • Backed by Carson’s Limited Lifetime Warranty.
Check Stock

Red Dot 2x

  • LARGE VIEWING AREA: Allows faster target acquisition and engagement with reduced “tube effect”.
  • ADJUSTABLE BRIGHTNESS SETTINGS: Eight brightness settings with a mid-position “Off” feature.
  • SUPERIOR QUALITY GLASS LENSES: Multi-coated lenses provide superior clarity and light gathering capabilities with zero distortion and provide for a crisp dot reticle.
  • AIRCRAFT-GRADE ALUMINUM HOUSING: Forged 7075 housing and fully-sealed construction protects against the toughest elements. Hard-anodized.
  • INCLUDES: Lens covers at both the Ocular and Objective lens. An ARD Kill Flash protects you from unwanted glare. This model also includes the Full Co-Witness Quick Release Mount. Refer user manual for troubleshooting steps..
Check Stock

Gosky 2021 Newest ED Spotting Scope 20-60x 80mm, Extra-Low Dispersion & BAK4 Prism Spotter Scopes with Smartphone Adapter, Perfect for Bird Watching Target Shooting Hunting Wildlife Scenery

  • 【High Magnification】This spotting scope features a powerful zoom magnification range that adjustable 20x to 60x magnification,45 degree angled eyepiece ergonomic design allows more comfortable viewing. Field-of-view is 35-17m/1000m, brings nature closer to you than ever. Perfect for target shooting, hunting, bird watching wildlife, spotting moon, traveling, hiking, camping, archery etc..
  • 【Extra-low Dispersion】ED glass has particular optical materials which have a unique characteristic of dispersion when combined with other glasses it minimizes the effects of the secondary spectrum and when you compare this with an achromatic lenses made with standard glass, ED glass reduces chromatic aberration and therefore the color fringing to a remarkable degree..
  • 【Fully Multi-coated 80mm Green Film Objective Lens】---- Multi-coated lenses light transmitting up to an incredible 98% per surface, this means you can get more picture brightness. BAK-4 provide higher quality glass yielding brighter images and high edge sharpness. The 80mm objective lens allow more light enters the spotting scope than 60mm objective lens, so the brighter the image..
  • 【Waterproof Fogproof 】The waterproof spotting scope provides exceptional performance in the most rugged condi....
Check Stock

AmScope A100X 100X (Oil) Achromatic Microscope Objective

  • This brand new 100X (spring, oil) Achromatic microscope objective lens fits common size (DIN/JIS standard) compound microscopes.
Check Stock

AmScope A40X 40X (Spring) Achromatic Microscope Objective

  • This brand new 40X (spring) Achromatic microscope objective lens fits common size (DIN/JIS standard) compound microscopes.
Check Stock

AmScope A10X 10X Achromatic Microscope Objective

  • This is a brand new 10X Achromatic microscope objective lens with high quality.
Check Stock

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.
Check Stock

Trijicon 4X 32 ACOG Green LED .223 Horseshoe Reticle with TA51 Mount

  • Includes thumbscrew flattop adapter, AA battery, lens pen, lanyard assembly for adjuster and battery cap, logo sticker, manual, and warranty card.
  • 4x magnification with a 35mm objective lens.
Check Stock