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Best Adjustable Objective Lens

OTW Scope 3-9X56 Red &Green Illuminated Optics Scope

  • High precision tactical rifle scope with 6-24x magnification, a 50mm objective lens, and an eye relief of 4-4.5 inches.
  • Functionally designed first focal plane rangefinder reticle, with easy-to-read ranging information that remains constant regardless of magnification,....
  • Equipped with an adjustable objective lens - or AO - that allows for sharper focus of the target image, elimination of parallax, and range estimation.
  • Dial controlled reticle illumination in both red and green with multiple brightness intensities, for better reticle visibility.
  • Package also includes set of high profile picatinny scope rings, a detachable honeycomb filter sunshade, a set of spring loaded flip-up lens covers, a....
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Objective Lens Auxiliary Objective Lens KP-0.5X Microscope Lens with 1-7/8inch (48mm) Mounting Thread Replacement

  • [Clear Images] Double the magnification of original objectives, a very practical objective lens accessories..
  • [Powerful] The objective lens can significantly increase working distance up to 11.21inch (287mm). It is a great replacement for your old or broken one..
  • 0.5X Magnification] 0.5X stereo microscope assisted objective lens, effectively enlarged the field of view..
  • [1-7/8inch (48mm) Mounting Thread] This lens is designed with a 1-7/8inch (48mm) mounting thread. It is widely used for monocular digital / video microscope..
  • [Convenient] The microscope objective lens have compact size, easy to attach on objective, just screw it on, convenient to use..
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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

  • ...This monocular waterproof is with built-in lens dust cover and o-ring sealed optics could prevent lens from dust/moisture/debris,ensures the living waterproof function,fit for the most weather and environment(note:it can not be used in a heavy rain for a long time or soaked in the water).
  • 【Comfortable Convenient】Adjustable eye cups can be easily and rapidly twisted up and down for optimal viewing with or without glasses. Rubber armor with stripes increases the friction,keeps it from slipping out from your hand,There also has a tripod connector hole at the bottom of monocular,our suggest you use bigger adjustable metal tripod,the image will not shake and work better..
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4X 185 Biological Microscope Achromatic Objective Lens 160/0.17 for Optical Instruments Conversion Objective Lens

  • [High-quality material] This objective lens is made of high-quality material and is durable and durable. Customers can use it at ease..
  • [4x color eraser] Aluminum alloy shell is preciseness machined, stable and durable for long time use. This is a 4x achromatic objective for biological microscopes..
  • [Without increasing the chromatic aberration] You can enhance the contrast by eliminating unnecessary reflections. Provides high quality observation without increasing chromatic aberration and makes the image sharper..
  • [Objective lens length: 30.5 mm] The length of the objective lens is 30.5 mm and easy to use..
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BARSKA 3-12x50 IR Huntmaster Pro 30/30 IR Cross Riflescope Black

  • Ideal rifle-scope when lighting conditions are less than ideal, combining advanced optic technology.
  • Fast-focus eye bell, large objective lens, and multi-coated optics deliver clear, high-contrast downrange views.
  • 3 to 12X magnification, water, fog and shock-proof, adjustable for wind-age, elevation and rheostat.
  • 13-Inch tube length and one-Inch tube diameter, 50-Millimeter objective lens.
  • 2.7-Inch eye relief, 0.25-Inch click value and 21.3-Ounce weight, limited lifetime warranty.
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Nikon Prostaff 5 Proscope 82mm Angled Body with 20-60x Zoom, Black

  • 82mm Objective Lens-An ideal balance of size and brightness..
  • Multicoated Optics-Provides a bright, high contrast image with true color rendition and the zoom is adjustable from 20 to 60 times..
  • Ergonomic, Lightweight Porro Prism DesignInternal Surface Texturing-Minimizes reflective light loss inside scope..
  • Waterproof/Fogproof-Nitrogen-purged and O-ring sealed..
  • Built-in Sliding Sunshade-Eliminates glare in bright conditions, keeps dust and rain off objective lens in rainy or dusty conditions..
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OMAX 40X (Spring) Achromatic Objective Lens for Compound Microscopes

  • 40X Standard NA/0.65, DIN 160/0.17 achromatic objective lens.
  • Spring loaded for protecting lens and slides.
  • 1-year warranty against manufacturing defects.
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OMAX 50X-787.5X Touchpad Screen Trinocular Ore Petrographic Polarizing Microscope with Bertrand Lens

  • Total magnification: 50X - 125X - 312.5X - 500X - 787.5X.
  • 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.
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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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TRUGLO 4x32mm Compact Rimfire and Shotgun Scope Series Diamond Reticle Realtree Xtra

  • The tactical rifle scope can provide high-definition aiming at 6-24 times magnification, suitable for close to mid range shooting. Objective Diameter:....
  • Upgrade Precision Multi-coated Lens：The CVLIFE 6-24X50 scope is a second focal plane rifle scope, it uses cutting edge glass and lens coatings....
  • Illuminated Type of the Riflescope: 5 Intensity (Red) and 5 Intensity (Green) It can be changed quickly and easily according to the brightness needs....
  • AO adjustment: The adjustable objective (AO) lens can be moved by the parallax dial at the end of the scope. This adjustment allows for elimination of....
  • Professional after-sales service：CVLIFE offers perfect & responsive customers service to keep you from any loss. With nothing to worry about, order....
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Microscope Lens,40X 185 Biological Microscope Achromatic Objectives Lens 160/0.17 5×5×5cm Eliminate Unwanted Reflections

  • ✔【40X Magnification】- DM-WJ003 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) 0.53mm..
  • ✔【Standard RMS Thread】- Standard RMS thread, 20mm mounting size, please confirm the size of your microscope thread before purchase..
  • ✔【Objective Lens Length 37.8mm】- The Length of the objective lens is 37.8mm, 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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Athlon Optics Midas Binocular 10 x 42 ED Roof

  • 【HIGH-POWERED LARGE EYEPIECE BINOCULARS】 This binoculars has 12x magnification, 25mm objective lens and wide field of view, 273ft/1000yds, letting....
  • 【ADJUSTABLE EYE CUPS FIT EYEGLASS WEARERS OR NOT】The binocs can be pull down the rubber eyepieces and more fit the glasses wearer, getting close....
  • 【FMC BROADBAND COATING TECHNOLOGY】The lightweight cruise binoculars is cover with BAK4 prism texture. The objective lens use optical FMC....
  • 【PORTABLE, COMPACT AND SMALL BINOCULARS DESIGN】 One hand can be mastered when you use the birding binoculars for opera,bird watching camping,....
  • 【DURABLE AND LIFE WATERPROOF, COMFORTABLE TOUCH】 The binoculars are made of ABS plastic and it also come with a cruise binocular strap, you can....
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Monstrum Tactical 3-9x40 First Focal Plane FFP Rifle Scope with Illuminated BDC Reticle and Adjustable Objective Black

  • High precision tactical rifle scope with 3-9x magnification, a 40mm objective lens, and an eye relief of 4-4.5 inches.
  • Functionally designed first focal plane rangefinder reticle, with easy-to-read ranging information that remains constant regardless of magnification,....
  • Equipped with an adjustable objective lens - or AO - that allows for sharper focus of the target image, elimination of parallax, and range estimation.
  • Touch-button controlled reticle illumination in both red and green with multiple brightness intensities, for better reticle visibility at night or in....
  • Package also includes set of medium profile picatinny scope rings, a detachable honeycomb filter sunshade, a set of bikini-style see-through lens....
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