Reviews Dual Focusing System Lenses

Panasonic LUMIX S PRO 70-200mm F4 Telephoto Lens, Full-Frame L Mount (Black)

  • LUMIX S PRO CAMERA LENS – 70-200mm telephoto zoom F4 L-mount lens, LEICA certified for LUMIX S Series Full-Frame digital mirrorless cameras.
  • O.I.S. STABILIZATION – Complies with LUMIX camera Body I.S..
  • 5-Axis Dual I.S. 2 [1] makes it possible to use 6-stop slower shutter speed [2].
  • LENS ELEMENTS – 23 lenses in 17 groups.
  • an aspherical lens and 3 ED (Extra-low Dispersion) lenses effectively suppress both axial chromatic aberration and chromatic aberration of magnification.
  • LENS FOCUSING – A double focus system combines a linear motor and stepping motor to achieve sensor drive at a maximum speed of 480 fps for fast, high-precision autofocus.
  • RUGGED LENS DESIGN – Dust/splash*/freeze-resistant design withstands use under harsh conditions for high mobility.
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Swift Compound Monocular Microscope Kit for Kids Students Beginners,80X-2000X STEM Kit with All Metal Body Microscope, Carrying Box for School Laboratory Home Education

  • ... clear images. The 2X additional lens provided increases the magnification levels further to 2000X..
  • [Quick Start Guide System] The system helps beginners to quickly get sharp images by easily matching colors of objective color ring and other parts. Besides, microscope is marked with focus guide to assist in quickly focusing..
  • [Multiple Humanization Designs] 45°inclined ocular tube with 360° rotatable head lets you observe comfortably and share view with friends. Coaxial coarse & fine focusing knobs. Equipped with "one-touch" spring-loaded stage clips, which is easy to place a slide. Spare bulb is included for replacement..
  • [Microscope Science Kit] The kit also includes prepared slides & blank slides, practical tools like tweezers, materials for hatching brine shrimp, a free smartphone holder used for photomicrographing, and so on. Moreover, it’s equipped with a sturdy ABS case which is easy to store, carry and transport..
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Zeiss Touit 2.8/50M Macro Camera Lens for Sony E-Mount Mirrorless Cameras, Black

  • ...This reduces image contrast, with the result that exposures lack contrast and appear faded. To avoid this, ZEISS combines various specially developed technologies to reduce the undesirable effects of stray light..
  • ASPHERICAL DESIGN: The asperical lens design ensures consistent imaging performance throughout he entirefocusing range as well as shapness to the periphery of the image. The asphere's morecomplex surface profile can reduce or eliminatespherical aberration and also reduce other optical aberrations compared to a simple lens..
  • SMOOTH AND RELIABLE AUTOFOCUS: The design of the autofocus system requires an extremely accurate shifting of particular lens groups. The focusing system of ZEISS lenses is designed to ensure a robust and smooth-running autofocus mechanism with the best imaging performance..
  • FLOATING ELEMENTS DESIGN: Today's camera technologies and high-resolution sensors demand continuous improvement of lens performance. Thanks to the use of the latest floating element design principles, optical aberration effects in ZEISS lenses are reduced to a minimum throughout their entire focusing range..
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Tokina at-X PRO M 100mm F2.8 D Macro Lens - Nikon AF Mount

  • 【Fringer NF-GFX】The 1nd generation{ Nikon NF to fuji G adapter}! NF-GFX version, Exterior design matched to Nikon D, G, E lenses, (used on Fujifilm G Medium Format Camera), convenient operation.
  • 【Support for phase focusing】Truly achieving focusing performance similar to SLR {PDAF enabled, high-speed phase focusing, currently limited to GFX100 GFX100S and GFX100IR Ver fuselages.
  • and on the 50MP CMOS series fuselage, since the fuselage only supports contrast focusing(CDAF), poorer AF performance}, Please consider clearly before purchasing.
  • 【Support both Lens IS and IBIS】Support body anti-shake and lens anti-shake (cooperation is not supported), the two can be selected.
  • support in-camera chromatic aberration (LaCA) correction (only for optimized lenses), and automatically correct high-contrast edges Color fringe.
  • 【Refined design 】Dust- and water-resistant, G bayonet with dustproof rubber ring.
  • high-precision CNC machining, brass bayonet, alloy ring body, maximize the opening, no obstruction (including all kinds of shift lens), internal flocking matt.
  • 【Lens compatibility】More than 140 lenses have been optimized, and more lenses will be added through firmware upgrades in the future. A great smart adapter.
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Carson DualView 3x Stand Loupe Magnifier with 12x Focusing Loupe (DV-30)

  • Dual magnification includes a 3x pre-focused stand loupe with a 12x focusing loupe.
  • Shatterproof acrylic lenses for sharp, crystal-clear magnifying.
  • One of the loupes is focusable while the other is pre-focused.
  • The DualView is great for all hobbies and crafts.
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Canon EF 100mm f/2.8L IS USM Macro Lens for Canon Digital SLR Cameras Lens Only

  • 100 millimeter focal length and 1:2.8 maximum aperture. The EF1.4X II.
  • EF2X II extenders cannot be used with this lens. There are no compatible close-up lenses.
  • Lens construction consists of 15 elements in 12 groups.
  • Inner focusing system with USM and full-time manual focus option. Closest focusing distance 0.99 feet.
  • 0.3 meter (maximum close-up magnification: 1x).
  • 67 millimetre filter size. Filter Size: 58 millimetre. Lens hood: ET-73.
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ZEISS Classic Planar ZF.2 T* 1.4/85 Telephoto Camera Lens for Nikon F-Mount SLR/DSLR Cameras

  • ...ay. You can count on highly advanced flare control for crisp and brilliant images, and virtually zero geometric distortion, ensuring precise accuracy when reproducing shapes – especially useful when photographing products and architecture..
  • PRECISE MANUAL FOCUS: Manually focusing a lens means controlling the image result from your fingertips. A good ergonomic design makes all the difference. ZEISS lenses stand out with their large rotation angle which enables precise focusing. Changes are immediately visible in the viewfinder. The high-quality focusing mechanism moves smoothly without play, thus also supporting the intuitive interaction with the focal plane. The precise engraving in meter and feet, and the depth of focus scale provide additional support for manually focusing..
  • ELABORATE STRAY LIGHT REDUCTION: Rich, vibrant colors are vital to creating a lasting impression. Stray light in the lens, however, would lead to a brightening of the image, which is particularly visible in shadow areas. We combine various, elaborate techniques to reduce unwanted stray light, such as the famous ZEISS T* anti-reflective coating and a special jet black paint that is applied by....
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Panasonic LUMIX S 24-105mm F4 Lens Full-Frame L Mount Optical Image Stabilizer and Rugged Dust/Splash/Freeze-Resistant S-R24105 USA Black

  • Lumia S camera lens – 24-105mm standard focal macro zoom F4 l-mount for Lumia S Series full-frame l-mount digital Mirrorless cameras..
  • O. I. S. Stabilization – complies with Lumia camera body I. S..
  • 5-axis Dual I. S. 2 [1] makes it possible to use 6-STOP slower shutter speed [2].
  • Lens elements – 16 lenses in 13 groups.
  • 2 aspherical lenses and 2 ED (extra-low dispersion) lenses effectively suppress chromatic aberration and....
  • Macro Lens – 0. 5x macro shooting with a minimum focusing distance of 0. 3M so you can photograph small subjects at very close distances..
  • Rugged lens design – dust/splash*/freeze-resistant design withstands use under harsh conditions for high mobility..
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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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