Best Dual Focusing System Lenses

VILTROX EF-EOS M Lens Mount Auto Focus Adapter, Compatible with Canon EF/EF-S Lens to Canon EOS M (EF-M Mount) Mirrorless Camera Body EOS M100 M50 M3 M10 M6 M5

  • It allows you to use your EOS M to attach any of Canon’s extensive range of EOS System lenses - connecting you to a world of creative possibilities..
  • The extensive range includes fixed focus and zoom lenses covering a focal length range From 8mm to 800mm. It permits all lens functions including image stabilization and autofocus, and features a removable tripod mount..
  • Expand your EOS M system and explore your creativity! The mount Adapter fees m gives you complete access to the full spectrum of Canon EF and EF-S lenses so you can use your existing lenses and try out new ones to get the shots you want..
  • This adapter supports auto focus function and aperture adjustment. Quick focusing, smooth adjusting of aperture, shutter, ISO data etc..
  • Small and lightweight, to match the EOS M, the Mount Adapter EF-EOS M is easy to carry with you, wherever you go..
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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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Leupold Mark 3HD 4-12x40mm Side Focus Riflescope

  • The Venom 5-25x56 First Focal Plane (MOA) riflescope is built for long-range and competition with a 5-25x mag range built into a 34mm tube for a massive amount of turret travel (85 MOA max elevation/windage)..
  • XD Optical System delivers impressive resolution, edge-to-edge sharpness and greatly reduces chromatic abberation. Fully multi-coated lenses provide superior light transmission for exceptional clarity and low-light performance..
  • The RevStop Zero System offers an easy to set, fast and reliable return to zero. Side knob parallax adjust allows quick and easy parallax adjustments with range numbers visible while in the shooting position..
  • EBR-7C reticle ensures subtensions are accurate throughout the mag range making it easy to measure and range targets.The fast focus eyepiece allows for easy reticle focusing while the included throw lever allows for fast transitions between magnifications.
  • Nitrogen purged and o-ring sealed providing water and fogproof performance. Armortek coating protects the lenses from scratches and oil. The one-piece, aircraft grade aluminum, 34mm tube is shockproof, shrugging off recoil and other impacts..
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100X-2000X Microscopes for Kids Students Adults, with Microscope Slides Set, Phone Adapter, Powerful Biological Microscopes for School Laboratory Home Education

  • [High Magnification] WF25X eyepiece alone or with 2X lens, cooperate 4x 10x 40x objective lenses, biological microscopes offers 6 magnification settings, 100X, 250X, 1000X, 200X, 500X, 2000X..
  • [Coarse and Fine Focus] Monocular Microscopes with solid metal frame and coarse/fine focusing knobs, ensures detail and precise focus adjustment, crate a image more clearer and sharper..
  • [Dual Illumination System] Top and bottom LED simultaneously brightfield, a 0.65 NA single-lens condenser with disc diaphragm, provide high-resolution color-corrected images..
  • [Complete Accessories] It comes with phone adapter, wire shutter, 10 operating accessories, 15pcs microscope slides set, carrying bag. Meet all your biological observation need..
  • [Practical Educational Tool] This 100X-2000X biological microscope is designed to help students/kids/adults/beginner/amateur scientist/hobbyists exploring the fantastic world of the life. It is ideal for school,laboratory or home teaching, one-on-one instruction..
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Nikon AF-S FX NIKKOR 16-35mm f/4G ED Vibration Reduction Zoom Lens with Auto Focus for Nikon DSLR Cameras

  • 35 millimeter focal length, Macro Focus Range : 0.25 meter.
  • 52.5 millimeter equivalent focal length on DX Format cameras.
  • Ultrasonic type AF motor with full time manual focusing.
  • Note: This is an FX format F mount lens. FX and DX lenses can be mounted on all Nikon DSLR cameras. However, using a DX lens on an FX camera or an FX lens on a DX camera will result in a 1.5x crop factor.
  • 35 millimeter focal length, macro focus range: 0.25 meter. Rear focusing system.
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Vision Scientific VS-3F-IFR07 Simul-Focal Trinocular Zoom Stereo Microscope, 10x Widefield Eyepiece, 0.7X—4.5X Zoom Range, 7X—45x Magnification Range, Single Arm Boom Stand, 144-LED Ring Light

  • Post mounted head rotates 180° and is adjustable for various working distance.
  • Left eyepiece diopter focusing adjustment.
  • Eye shields for use on eyepieces too reduce ambient light.
  • 3 way, built-in illumination system allows transmitted (bottom), incident (top) or dual lighting.
  • Slip-clutch focusing system protects against over-focusing with tension adjustment.
  • Objectives are parfocaled, parcentered andachromatic.
  • Magnification changed by rotation objectives turret 90° to positive click stops.
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Vortex Optics Venom 5-25x56 First Focal Plane Riflescope - EBR-7C (MOA) Reticle

  • The Venom 5-25x56 First Focal Plane (MOA) riflescope is built for long-range and competition with a 5-25x mag range built into a 34mm tube for a massive amount of turret travel (85 MOA max elevation/windage)..
  • XD Optical System delivers impressive resolution, edge-to-edge sharpness and greatly reduces chromatic abberation. Fully multi-coated lenses provide superior light transmission for exceptional clarity and low-light performance..
  • The RevStop Zero System offers an easy to set, fast and reliable return to zero. Side knob parallax adjust allows quick and easy parallax adjustments with range numbers visible while in the shooting position..
  • EBR-7C reticle ensures subtensions are accurate throughout the mag range making it easy to measure and range targets.The fast focus eyepiece allows for easy reticle focusing while the included throw lever allows for fast transitions between magnifications.
  • Nitrogen purged and o-ring sealed providing water and fogproof performance. Armortek coating protects the lenses from scratches and oil. The one-piece, aircraft grade aluminum, 34mm tube is shockproof, shrugging off recoil and other impacts..
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PANASONIC LUMIX G II Lens, 20MM, F1.7 ASPH, MIRRORLESS Micro Four Thirds, H-H020AK (USA Black)

  • 20mm focal length, equivalent to 40mm on a 35mm film camera.
  • Closest Focusing Distance : 0.2m / 0.66ft, Maximum magnification Approx. 0.13x / 0.25x (35mm camera equivalent).
  • F1.7 brightness for beautiful, soft focus, Comprised of seven lenses in five groups.
  • Used with Lumix G Micro System Cameras, allows for use of the advanced contrast Auto Focus (AF) system.
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Fujinon XF16mmF2.8 R WR Lens - Silver

  • High resolution performance: edge-to-edge sharpness from the center to the corners of the frame is achieved by the precise arrangement of 10 lens elements in 8 groups. This lens also includes two aspherical elements, which serve to suppress the image degrading effects of chromatic aberration and field curvature imperfection..
  • Compact, lightweight and Stylish design: weighing in at 5. 47oz (155G) and measuring just 1. 79in (45. 4mm) in length, This lens offers up the renowned image quality and refined style associated with the Fujinon XF family of lenses. With its metal exterior, precise click Stops, and smooth dampening, this lens offers incredible image quality in a durable aesthetically pleasing appearance..
  • Fast and quiet autofocus: the inner focusing AF system uses a stepping motor to move focusing elements into place through precise electrical pulses, in order to achieve fast and near-silent autofocus performance..
  • Weather and dust resistant durability: The lens is designed to operate in temperatures as low as 14° Fahrenheit and is Sealed at nine points around the barrel, making it both weather and dust resistant..
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