Best Adjustable Focusing

AmScope 40X-2000X LED Trinocular Biological Compound Microscope, White, T490B-LED

  • 40X-2000X eight wide field magnification settings.
  • Simul-focal trinocular head boasts unique features.
  • Adjustable 23mm photo port and C-mount adapter included.
  • 3D two-layer mechanical stage with coaxial coarse and fine focusing and iris Abbe condenser.
  • Sturdy all-metal frame with LED illumination.
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Rokinon FE14M-E 14mm F2.8 Ultra Wide Lens for Sony E-mount and Fixed Lens for Other Cameras

  • Ultra-wide angle of view on both full frame and APS-C cameras.Lens has a minimum focusing distance of 0.9' (28 cm) for enhanced close-up shots..
  • Excellent construction and superior build quality for razor sharp images. Sagittal lines (thick lines) represent the contrast.
  • Features built-in petal type hood, Focal Length :14mm.
  • Lens has a minimum focusing distance of 0.9' (28 cm) for enhanced close-up shots, Lens not zoomable. No autofocus..
  • Super multi-layer coating to reduce flares and ghost images.
  • Aspherical lens elements improve peripheral image quality. Circular diaphragm (7 blades) delivers beautiful, soft backgrounds.
  • Optical Image Stabilizer provides up to 4 shutter speed stops of correction..
  • Ring USM, high-speed CPU, and optimized AF algorithms for fast auto focusing with a minimal focusing distance of 0.23m..
  • Full-time manual focus for manual adjustment while in AF mode with silent and smooth operation making it suitable for video recording..
  • Aspherical lens elements improve peripheral image quality..
  • Circular diaphragm (7 blades) delivers beautiful, soft backgrounds..
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Carson LED VersaLoupe 10x LED Lighted Focusing Loupe Magnifier (LH-50), black/clear

  • The LED VersaLoupe is a 10x Power Lighted Focusable Stand Loupe Magnifier | Lens Diameter: 1.0 inch.
  • Contains 5 Powerful LED Lights | Dual Acrylic Lenses Provide Ultra Sharp and Precise Image Quality.
  • Adjustable Focusing Ring Makes the Versa Loupe Great for Viewing 3D Objects.
  • Perfect Lighted Magnifying Loupe for Jewelers, Watchmakers, Photography, Printing, Geology, Biology, Electronics, Coin and Stamp Collectors, Crafts and Hobby.
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Tilt Shower Commode Chair Personal Mobility Assist Toilet Commode Wheelchair Transport Rolling Chair Waterproof with Padded Flip-up Arm and Foot Rests Adjustable Headrest with Headrest

  • MULTI-USE 4-in-1 -- commode/shower chair/chair /Wheelchair can be used anywhere.Focusing on comfort, this chair makes showering and self-care more....
  • TILT-IN-SPACE FUNCTION -- The unique tilt-in-space feature allows the entire chair (including the seat base) to be tilted by the caregiver. Integrated....
  • UP GRADED VERSION -- with Flip-up Arm and Foot Rests, adjustable Padded Seat/Back, Commode Pail and Adjustable Headrest.unlike others with a rounded....
  • IDEAL FOR THE ELDERLY OR DISABLED -- Robust frame made from durable and lightweight aluminum alloy material . waterproof design makes it easy to wheel....
  • ADJUSTABLE SEAT HEIGHT -- seat height is adjustable (21-24 inch) and seat width is 17 inches. Supports up to 400 lbs of weight..
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Binocular Microscope, 40X-1000X Compound Microscope, Dual LED Illumination Light Microscopes, Lab Binocular Microscope for Students and Adults, with Phone Holder & Prepared Slides

  • 【Coaxial & Fine Focusing】 - Coaxial coarse and fine focus knobs gear design, easy to control, allows adjusting the focus easily to achieve your desired result and fine focusing..
  • 【Easy Observation, Clear View】 - Binocular eyepieces are easier to focus on and have a better observation. Adjustable interpupillary distance, biological microscope 1000x suitable for kids, teens, and adults..
  • 【X-Y Dual-directional Adjustment】- Vernier scale with scale to easily and precisely move slides or specimens. Conventional slide clips do not move slides well and can also cause slides to shatter..
  • 【Microscope Slides】Extra free cell phone adapter is available to capture and record the micro world with your smartphone. Prepared Slides are quick introductions to the micro world..
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iplusmile Bahtinov Aluminum Alloy Telescope Focusing Filter for Telescopes Dew Shield Telescopes Accessories 60mm Black

  • they have a scratch- resistant silicone sleeve to protect your precious telescope surface from scratches..
  • Focusing is made of metal. It is very lightweight and will not become a burden to maintain the balance of the telescope.
  • Focusing is to help you focus quickly. It can help you achieve a perfect focus webcam in seconds..
  • With 3 holes. The can be easily connected to any telescope by 3 screws..
  • It is manufactured with professional technology to ensure the of the product and can work for a long time..
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Orion 13022 Deluxe Mini 50mm Guide Scope with Helical Focuser

  • Compact Deluxe Mini Guide Scope with a built-in helical focuser for precise focusing of guide stars.
  • Designed for use with the Orion StarShoot AutoGuider (sold separately), and astrophotography telescopes up to 1500mm focal length.
  • Non-rotating camera collar will not cause the attached autoguider to rotate during focus adjustments, ensuring the field of potential guide stars will....
  • Adjustable-aim dovetail guide scope bracket installs on virtually any astrophotography telescope quickly and easily.
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iShoot Improved Universal 150mm Macro Focusing Rail Slider Close-up Shooting Head All Metal Camera Support Bracket Holder Built-in Arca-Swiss Type Clamp and Quick Release Plate for Tripod Ballhead

  • The main body of this improved macro focusing rail slider is made of Aviation Aluminum, CNC precisely machined, surface anodized.
  • Two same macro focusing rail sliders can be combined together to form 90 degrees, becoming a 4-way macro focusing rail slider, and providing a....
  • The close-up shooting head with stainless steel gear spiral zoom lever, stainless steel clutch, intermeshing helical power transmission, can move back....
  • The width of the clamp on the close-up shooting slider is about 73mm, with spirit level, Arca-Swiss / RRS standard fit.
  • The macro focusing rail slider compatible with Arca-Swiss / RRS / KIRK / WIMBERLEY / MARKINS / SUNWAYFOTO / KANGRINPOCHE / BENRO/SIRUI / MARSACE quick....
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Vortex Optics Crossfire II 4-12x40 AO, Second Focal Plane Riflescope - Dead-Hold BDC Reticle (MOA)

  • The 4-12x40 Adjustable Objective Crossfire II riflescope is one of many configurations in the Crossfire II line. The Dead-Hold BDC reticle is good for hunting/shooting at varying ranges where estimating holdover is a concern.
  • 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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Vortex Optics Crossfire II 6-24x50 AO, Second Focal Plane Riflescope - Dead-Hold BDC Reticle (MOA)

  • The 6-24x50 Adjustable Objective Crossfire II riflescope is one of many configurations in the Crossfire II line. The Dead-Hold BDC reticle is good for hunting/shooting at varying ranges where estimating holdover is a concern..
  • 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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