Best Big size Objective

AmScope 4X-100X Four Achromatic Objective Lens Set

  • A set of 4 achromatic objective lenses: 4X, 10X, 40X, and 100X.
  • Compatible with DIN standard microscopes.
  • Includes the most common magnifications for biological applications.
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Nikon Monarch Black 42mm Anti Reflective Device ARD

  • Fits monarch and monarch 3 Riflescopes with a 42mm objective.
  • Eliminates game-spooking objective lens reflection.
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Monstrum Rubberized Flip-Up Rifle Scope Lens Covers (Eyepiece | 43-48 mm/1.7-1.9 inch Diameter)

  • Rubberized flip-up rifle scope lens covers that conform tightly around your rifle scope tube, protecting your lenses from dust and abrasion.
  • Spring-loaded flip-up mechanism pops open effortlessly when needed and securely tightly when not in use.
  • Each package includes one Rubberized Flip-Up Lens Cover.
  • For optimum fit, carefully measure the OUTSIDE DIAMETER of both your rifle scope’s eyepiece and objective bell. Please note that this measurement is different than the diameter of your objective lens..
  • Please refer to sizing chart and sizing video, carefully measuring the OUTSIDE diameter of your scope, to ensure the proper size and fit..
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HAYEAR Trinocular Microscope 3.5X - 90X Magification Simul Focal Stereo Microscope Double-Arm Big Boom Stand WF10X/20mm Eyepiece Lens 144 LED Ring Light 0.5X 2X Auxiliary Lens

  • This is a 45°decline,360°rotate trinocular microscope head. The simul focal stereo microscope head has camera mountign which supports to connect with an industrial camera, no matter HDMI camera or USB camera. It is Pupil distance is 54mm to 76mm, Bilateral visual adjustment±5..
  • The objective zoom of this microscope is 0.7X to 4.5X,objective magnification ratio is 1：6.4,Ensure image alignment. With the WF10X/20mm high eye point, wide angel eyepiece lenses, which provide convenience for observers wearing glasses..
  • The standard magnification is 7X to 45X, with the 0.5X and 2X auxiliary lenses, the magnification expands to 3.5X to 90X. And the FOV will be changed from 52.1mm to 2.2mm. The working distance will be changed from 165mm to 30mm..
  • The double arm big boom stand is very stable and flexible. The 76mm diameter focus rack will hold the microscope head proper and stable. The stand platform is solid steel, the focus rack is fixed with screw..
  • The light source of this trinocular microscope uses 144 LED ring light. It provides flicker free illuminant and cool white color, manifest the color of the product ifself..
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Vortex Optics Crossfire II 3-12x56 Adjustable Objective Hog Hunter, Second Focal Plane, 30mm Tube Riflescope - V-Brite Illuminated Reticle , black

  • The 3-12x56 Adjustable Objective Hog Hunter Crossfire II riflescope excels when hunting in the lowest light. The V-Brite reticle and over-sized objective allow hunters to take shots from heavy cover with the utmost confidence in tough light conditions ..
  • The adjustable objective provides image focus and parallax removal to the shooter while anti-reflective, fully multi-coated lenses provide bright and clear views..
  • With long eye relief and an ultra-forgiving eye box, you'll be able to quickly get a sight picture and acquire your target. The fast focus eyepiece allows quick and easy reticle focusing..
  • Capped reset turrets are finger adjustable with MOA clicks that can be reset to zero after sighting in..
  • A single piece tube constructed from aircraft grade aluminum ensures strength and shockproof performance. O-ring sealed and nitrogen purged, the Crossfire II delivers waterproof and fogproof performance..
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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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Levenhuk Wise PRO 10x50 Monocular

  • High-aperture waterproof monocular with 10x magnification and a 50mm objective lens.
  • Multi-coated BaK-4 glass optics deliver a saturated and contrast image.
  • large 50mm objective lens gathers much light and ensures great visibility even in twilight.
  • Waterproof shell is impervious to rain and snow.
  • nitrogen filling protects the optical elements from fogging.
  • Long eye relief is convenient for observing in regular glasses or sunglasses.
  • eyepiece and objective lens protective caps.
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Levenhuk Wise PRO 8x42 Monocular

  • Wide-field waterproof monocular with 8x magnification and a 42mm objective lens.
  • Multi-coated BaK-4 glass optics deliver a saturated and contrast image.
  • 42mm objective lens gathers much light and ensures great visibility even in twilight.
  • Waterproof shell is impervious to rain and snow.
  • nitrogen filling protects the optical elements from fogging.
  • Long eye relief is convenient for observing in regular glasses or sunglasses.
  • eyepiece and objective lens protective caps.
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0.5X Stereo Microscope Lens Auxiliary Objective Lens Accessory 42mm Mounting Thread Microscope Parts for Monocular Electron Microscope Camera

  • 【HIGH-QUALITY AND DURABLE】High-quality industrial microscope objective lens uses high-quality materials, durable, stable performance, and can be used for a long time..
  • 【FEATURES】The auxiliary objective lens use 42mm/5.5in installation interface, working distance is 140mm/1.7in, can be directly installed..
  • 【APPLICATION】The auxiliary objective lens is a practical accessory, easy to install, and customized single barrel electron microscope..
  • 【CLEARER FIELD OF VIEW】0.5X microscope auxiliary objective lens can double the total magnification of the microscope and reduce the focaling length. It can effectively expand the observation field and facilitate the observation of the internal structure of small objects..
  • 【NOTE】We strive to provide you with the highest quality product and the best customer experience. Your nice comment on our product page will be a great encouragement to improve our service. if you're not entirely satisfied, please just feel free to contact us at any time..
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Levenhuk Bruno Plus 20x80 Powerful Astronomy Binoculars with Fully Multi-Coated Lenses and Sealed Body Construction

  • Powerful high-aperture astronomy binoculars that can replace an amateur-level refractor.
  • Powerful high-aperture BaK-4 glass objective lenses transmit a contrast, crisp, detailed picture.
  • 5-element eyepieces smooth out the image and minimize optical and spherical distortions.
  • Comes with a strap, pouch, eyepiece and objective lens caps.
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