Best Objective Lens Size

Gosky EagleView Upgrade 20-60x85mm ED Spotting Scope - Ultra High Definition & Extra-Low Dispersion Optics Spotter Scope with Smartphone Adapter

  • ...ic lens focusing system. The benefit of a zoom lens is that you get that versatility automatically. This is great for target shooting, hunting, bird watching wildlife, hiking, camping, archery etc. It also means you won’t need to carry around extra lenses when you’re on the go..
  • FULL MULIT-COATED 85mm 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..
  • Optimized fully multi-coated optics with BAK4 Porro Prism and ED (Extra-low Dispersion) glass ensures good light transmission and exceptional resolution, provides bright, clear, color-accurate images.
  • WATERPROOF and FOGPROOF---- Nitrogen filled waterproof and fog-proof design enables the scope to withstand the toughest environments. Durable Framework and Rubber Armor provide non-slip grip, shock-proof grip and durable external lasting protection. The eyepiece shield can be stretched out to protect the eyepiece.
  • WELL DESIGNED PRODUCT----Gosky Spotting scope is designed to last FOREVER with a NON-SLIP ....
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Simmons Truplex 8-Point Riflescope (3-9x32, Matte)

  • Ultra-reliable riflescope with 3 to 9x magnification and 32mm objective lens.
  • TrueZero windage and elevation adjustment system stays locked tight to zero.
  • Quick Target Acquisition (QTA) eyepiece with 3.75 inches of eye relief.
  • waterproof, fogproof, and shockproof construction.
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HAYEAR Metal Boom Stereo Microscope Camera Table Stand Holder 50mm Ring +180X Zoom C-Mount Lens (180X Zoom Lens)

  • This is a heavy metal micrsocope stand with 50mm focus rack. and monocular objective lens. It is heavy and stable. The travel range is 300mm up and down..
  • The objective lens is 0.7X to 4.5X opitocal zoom, with 0.5X/ 1X C mount eyepiece lens tube. The digital magnification will be from 10X to 180X (0.5X eyepiece tube.
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OsxoBear 10x50 Monocular Telescope,Hand Telescope with Anti-Fall Hand Strap,Eyepiece Cover with Anti-Loss Design,High Definition Monocular Waterproof FogProof for Concert,Hunting,Climbing,Travel

  • 【10x50 Monoculars for Adults High Powered】the portable telescope has full 10x magnification and 50 mm objective lens diameter wide lens(eyepiece lens:20mm),and have the best vision distance 1000 yards,making the image clear and bright.BAK4 prisms FMC multi-coated lens coating reinforces the key function of a monocular,guarantees good light transmission and brightness,makes your view clearer..
  • 【High Definition Hand Telescope】High refractive index BAK4 Prism eliminates the stray light and improves color reproduction to 99.97%.Green FMC anti-reflective coating reduces the reflected light in the objective lens and improves light transmission,image brightness and image sharpness.This monocular can deliver vision in gloaming,(but not in complete darkness)..
  • 【Hand Strap,Eyepiece Cover with Anti-Loss Design】The hand strap for steady viewing,hand strap helps prevent monocular from dropping and allow you focus easily by single hand makes your view steady,make you use the monocular more comfortably and can view longer time.Besides,the eyepiece lens cover is connected to the housing (detachable)like the objective lens cover,now the eyepiece cover won't be lost or worry anymore which is a good idea..
  • 【Waterproof,Dust-proof】This monocular wa....
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Zeiss Victory Harpia 85 Spotting Scope Ever-Ready Stay-on Neoprene Carrying Case

  • Protects your ZEISS Victory Harpia 85 Spotting Scope from the elements.
  • Eyepiece and objective lens sections unsnap for quick access, no need to remove the case to use..
  • Eyepiece and objective lens sections snap to the body to prevent loss.
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Zeiss Conquest Gavia 85 Spotting Scope Ever-Ready Stay-on Neoprene Carrying Case

  • Protects your ZEISS Conquest Gavia 85 Spotting Scope from the elements.
  • Eyepiece and objective lens sections unsnap for quick access, no need to remove the case to use..
  • Eyepiece and objective lens sections snap to the body to prevent loss.
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Gosky HD Spotting Scope 20-60x 80mm with Tripod and Smartphone Adapter, BAK 4 Prism Spotter Scopes for Bird Watching Target Shooting Hunting Wildlife Scenery

  • ...ic lens focusing system. The benefit of a zoom lens is that you get that versatility automatically. This is great for target shooting, hunting, bird watching wildlife, hiking, camping, archery etc. It also means you won’t need to carry around extra lenses when you’re on the go..
  • FULL MULIT-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 and FOGPROOF---- Nitrogen filled waterproof and fog-proof design enables the scope to withstand the toughest environments. Durable Framework and Rubber Armor provide non-slip grip, shock-proof grip and durable external lasting protection. The eyepiece shield can be stretched out to protect the eyepiece.
  • WELL DESIGNED PRODUCT----Gosky Spotting scope is designed to last FOREVER with a NON-SLIP Rubber Cover, NITROGEN Filling & Sturdy Eyepiece. 45 degree angled eyepiece ergonomic design allows more comfortable viewing. With the EXTENDABLE Sunshade you don’t worry about the sun..
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Levenhuk Karma PRO 10x50 Compact Roof Prism Binoculars with Completely Waterproof and Fogproof Body

  • Powerful, convenient binoculars for amateurs and professionals.
  • High-quality multi-coated BaK-4 glass optics guarantees clear and crisp images.
  • Reliable rubber-armored shell is completely waterproof and fogproof.
  • Comes with eyepiece and objective lens caps.
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Celestron - 80mm Travel Scope - Portable Refractor Telescope - Fully-Coated Glass Optics - Ideal Telescope for Beginners - Bonus Astronomy Software Package - Digiscoping Smartphone Adapter

  • SUPERIOR OPTICS: The Celestron 80mm Travel Scope features high-quality, fully-coated glass optics, a potent 80mm objective lens, a lightweight frame, and a custom backpack to carry it all. Its quality is unmatched in its class and against competitors..
  • POWERFUL EYEPIECES FOR UP-CLOSE VIEWING: Our telescope for astronomy beginners is equipped with two high-quality eyepieces (20mm and 10mm) that provide low- and high-power views of celestial objects at night and terrestrial objects during the day..
  • LARGE 80MM OBJECTIVE LENS: Our refractor telescope is equipped with a large 80mm aperture objective lens that provides enhanced, brighter views compared to the 70mm model while adding very little additional weight. Setting up and using the Travel Scope is quick and easy..
  • BONUS BAG, TRIPOD, SMARTPHONE ADAPTER AND SOFTWARE: This Celestron telescope can be taken anywhere in the included travel backpack. You’ll also receive a full-height tripod and a smartphone adapter for digiscoping..
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Unanbor Helmet Night Vision Head-Mounted HD Monoculars Full Set of Accessories Includes Field Helmet Torch Hood Bracket

  • ...sion device: the night vision device uses IR professional night vision light source, even in total darkness, it still increases the brightness of the target, making the vision more distant and clear. Features a rectangular viewfinder for greater visual range..
  • High quality objective lens: the objective lens of the night vision device adopts purple coating design, with multi-layer coating on the surface, the light transmission rate is up to 95% or more.
  • the product comes with eyepiece objective lens focusing system, supporting 2x focusing, with good sealing and higher precision..
  • Full set of accessories: PVS-14 night vision device *1, night vision device bracket *1, small torch bracket *1, large torch bracket *1, helmet *1, hood *1, torch *1, battery storage bag *1.
  • The night vision device is ergonomically designed, aesthetically pleasing, portable and lightweight, easy to operate.
  • the product is powered by AA batteries, with a long-lasting battery life..
  • This product is suitable for patrol duty, outdoor hiking and other occasions.
  • we provide you with perfect pre-sales and after-sal....
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