Top Lens Focus Ring

UniqueFire 2002D Vcsel 850nm IR Illuminator Flashlight Lights for Night Vision,Fresnel Lens Zoomable Infrared Illuminator IR Spotlight,Rapid Dimmer Switch, Max Lighting 1000M

  • 【Fresnel Lens ir light】IR Flashlight Uses Fresnel Lens Zoomable Focusing Technology,Utilize the short focal length microstructured Fresnel optics which can be more focused,The light penetrates more strongly, fresnel lens is thinner than the ordinary lens can shine much farther than,After focusing by rotating the head, the Fresnel lens cooperates with Vcsel 850nm lamp beads, and the maximum illumination distance can reach 1000 meters..
  • 【Vcsel 850NM Chip Module】IR Module utilizes the most advanced Vcsel IR BLACK LED with the latest chip technology, high efficiency, low thermal resistance,Emits infrared light with 850nm wavelength,produce a powerful punch with approximately 500-1000 meters range (approx. 1000 yards) with focused beam. With the latest chip technology, Fresnel Lens and an excellent package, lifetimes of up to 50,000 hours are easily obtainable..
  • 【Rapid Focus & Dimmer Switch Technology】 Features Upgraded UF-2002D ir spotlight Rapid Focus and Dimmer Switch features to fine-tune the beam. Compared with ordinary push-type gear switches, the operation is more flexible and convenient, and the brightness of the torch can also be adjusted more accurately.When the light is on, turn the tail switch to adjust the brightness of the light fr....
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Venus Optics Laowa 24mm f/14 2X Macro Probe Lens with Canon EF Mount

  • ...can cover both the standard 35mm full frame and Super35 image sensors.
  • DEEP DEPTH OF FIELD: The wide angle design also means much greater depth of field at close distances (compared to the telephoto macro lens) so that more background details can now be seen. Being able to focus so close but still have deep depth of field is a big advantage for both studio and wildlife photography.
  • LONG TUBULAR LENS BARREL: For traditional macro lenses, you need to get really close to your subject in order to take a good macro shot. But some areas are just simply inaccessible. Thanks to the 15.7 inches (40 cm) long barrel, you can focus really close to the subject but still keep yourself and your camera a reasonable distance away.
  • LED RING LIGHT: Macro photography is about Depth of Field and smaller apertures are usually required. An LED ring light (powered by an optional external battery) is embedded in the lens tip to provide additional lighting for focus assistance.
  • LIGHTWEIGHT DESIGN: Despite the long tubular design, the Laowa probe is actually super light and easy to carry. It weighs only 1.04....
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Acouto Follow Focus Levers Adjustable Manual Flexible Gear Ring Belt for DSLR Camera Follow Focus Zoom Lens Global Engineering Standard 0.8

  • The follow focus ring belt can match the follow focus in a great way. And the ring belt can fit all zooming lens with size from 52mm to 86mm. 52mm, 55mm, 58mm, 62mm ,67mm, 72mm, 77mm, 82mm.
  • The follow focus ring belt has a high quality aluminum alloy grip, durable and wear-resistant, long service life.
  • Built-in Stainless steel screw, in accord with the global standard size. Gear module: Global engineering standard 0.8.
  • The follow focus ring belt is simple for work and convenient for installation. Whole length: 36cm.
  • Design with large external diameter, and fit most cameras and camcorders. Suitable for most shooting situations.
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Rokinon 135mm F1.8 AF Full Frame Auto Focus Telephoto Lens for Sony E Mount Cameras

  • Fast & quiet AF and well-controlled breathing for shooting video.
  • Focus Hold Button - Pressing this button on the lens will keep the lens locked to that focusing distance. You can assign functions such as Eye AF in settings on the camera body..
  • Custom Switch - There is a custom switch, which can be set to allow adjustment of the aperture silently by rotating the focus ring. Using the optional Lens Station, you can set up the mode to suit your own preference..
  • The Focus Range Limiter only operates in AF mode. It is useful when the distance from an object has been determined. Move the Focus Range Limiter forward or backward to select the focus range. - FULL: The AF range is set to infinity at a minimum focus distance of 0.69m. (AF search may take slightly longer.) - 0.69m - 2m: The AF range is set between 0.69m and 2m, which is suitable for close-up shooting. - 1.5m - ∞: The AF range is set from 1.5m to infinity, which is suitable for normal shooting..
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Kodak PIXPRO Friendly Zoom FZ53 Digital Camera (Black) Bundle with Case for Compact Point and Shoot Cameras (2 Items)

  • POINT-AND-SHOOT CAMERA: Large, 1-inch 20.1-megapixel MOS sensor plus 10X zoom LEICA DC VARIO-ELMARIT lens (25-250mm) and HYBRID O.I.S. (Optical Image Stabilizer) delivers brighter, more colorful photos with fewer image artifacts.
  • EYE-LEVEL ELECTRONIC VIEWFINDER AND LCD DISPLAY: High-resolution 1,166k-dot viewfinder and rear touch-enabled 3-inch LCD display (1040K dots) are clear even in bright sunlight.
  • 4K VIDEO CAPTURE: 4K QFHD video recording (3840 x 2160), plus exclusive LUMIX 4K PHOTO and 4K Post Focus with internal Focus Stacking allows you to record photos up to 30fps and set your desired focus points after the photo has been taken.
  • LENS-MOUNTED CONTROL RING: Manual lens-mounted control ring brings DSLR-like exposure control to a compact point-and-shoot camera body.
  • Temperature: 23 °C (73.4 °F) / Humidity: 50% RH when monitor is on..
  • USB CHARGING AND WI-FI CONNECTIVITY: Enjoy travel ready technologies like USB charging and Wi-Fi connectivity to your mobile device.
  • micro-HDMI type D (3) and USB 2.0 micro-B provide additional connectivity to your favorite devices.
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Pentax HD DA 55-300mm f/4.5-6.3 ED PLM WR RE Lens

  • Short minimum focusing distance of 095 meter PENTAX’s first K mount with electromagnetic diaphragm control system for a quiet sound operation during movie recording.
  • Diaphragm blades: 9.Rear focus system and PLM (pulse motor), direct drive lead screw system for quite zoom a High speed AF Compact telephoto zoom lens thanks to its collapsible structure.
  • Weather resistant construction ED lens elements for brilliant sharpness and saturated colors.
  • HD coating to optimize light transmittance and minimize reflection Quick Shift Focus System to instantly change the AF mode to MF by twisting the focus ring.
  • SP (Super Protect) Coating applied to the front surface of the lens to effectively repel water and grease Rounded diaphragm to produce a beautiful bokeh.
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Samyang 135mm F1.8 AF Full Frame Auto Focus Telephoto Lens for Sony E Mount Cameras, Black, (SYIO13518-E)

  • Fast & quiet AF and well-controlled breathing for shooting video.
  • Focus Hold Button - Pressing this button on the lens will keep the lens locked to that focusing distance. You can assign functions such as Eye AF in settings on the camera body..
  • Custom Switch - There is a custom switch, which can be set to allow adjustment of the aperture silently by rotating the focus ring. Using the optional Lens Station, you can set up the mode to suit your own preference..
  • The Focus Range Limiter only operates in AF mode. It is useful when the distance from an object has been determined. Move the Focus Range Limiter forward or backward to select the focus range. - FULL: The AF range is set to infinity at a minimum focus distance of 0.69m. (AF search may take slightly longer.) - 0.69m - 2m: The AF range is set between 0.69m and 2m, which is suitable for close-up shooting. - 1.5m - ∞: The AF range is set from 1.5m to infinity, which is suitable for normal shooting..
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K&F Concept Pro Lens Mount Adapter for Canon FD FL Lens to Canon EOS Camera, for Canon 1D, 1DS, Mark II, III, IV, Digital Rebel T5i, T4i, T3i, T3

  • Mounts Canon FD & FL 35mm SLR lenses to Canon EOS (EF, EF-S) Mount SLR Cameras.
  • Built-in multi-coated focusing correction lens.Supports manual control, manual focus, manual exposure..
  • Please note: It is not same between Canon FD mount and EF mount, this fd to ef adapter ring is only for Canon FD mount lens, please contact us if you want to purchase for Canon EF mount lens..
  • Compatible Cameras (including, but not limited to): 1d/1ds, Mark II, III, IV, X, C, 5D, 5D Mark II/III 7D, 10D, 20D, 30D, 40D, 50D, 60D, 60Da, Rebel xt, xti, xs, xsi, t1i, T2i, T3, T3i, T4, 300D, 350D, 400D, 450D, 500D, 550D, 1000D..
  • Please note: Infinity focus position：the position of the infinity mark 【∞】of the telephoto lens or super telephoto lens is shifted slightly to the positive side to enable focus adjustment even when focus shift is caused due to temperature changes.The shift range is denoted by an L-shaped line, Be sure to check the focus through the viewfinder even when you shoot at infinity..
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OMAX 3.5X-90X USB3 18MP Digital Trinocular Zoom Stereo Microscope on Desk Stand with 144-LED Light

  • Head: 45 degrees inclined 360 degrees rotatable trinocular.
  • Eyepieces: 30mm widefield WF10X/20 and WF20X.
  • Beam split lever enables photo-tube or left eye-tube.
  • Interpupillary distance: adjustment 2-3/16inch ~ 2-15/16inch(55mm ~ 75mm).
  • Diopter: adjustable on both ocular-tubes +/-5dp.
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K&F Concept Lens Mount Adapter Ring Compatible with Canon FD Lens to Micro Four Thirds M4/3 Olympus Pen and Panasonic Lumix Cameras

  • Surface for effortless mount,infinity focus allowed..
  • Made of brass and aluminum (not plastic), anodized aluminum construction..
  • Please note: It is not same between FD mount and EF mount, this adapter ring is only compatible for Canon FD mount lens, please contact us if you want to purchase compatible for Canon EF mount lens..
  • Compatible Cameras (Including, but not limited to): Olympus PEN E-PL1, E-PL1s, E-PL2, E-PL3, E-P2, E-P3, E-M, OM-D, E-M5, E-M10, Panasonic Lumix DMC-G1, G2, G3, G10, GX1, GH1, GH2, GF1, GF2, GF3, GF5, GH4, Panasonic AG-AF100 Mirrorless Digital Cameras..
  • Please note: Infinity focus position：the position of the infinity mark 【∞】of the telephoto lens or super telephoto lens is shifted slightly to the positive side to enable focus adjustment even when focus shift is caused due to temperature changes.The shift range is denoted by an L-shaped line, Be sure to check the focus through the viewfinder even when you shoot at infinity..
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Pentax HD D FA 150-450mm f4.5-5.6ED DC AW Super-Telephoto Lens for Pentax KAF Cameras

  • ...ant structure with eight special seals to prevent the intrusion of water and dust into the lens interior.
  • HD COATING TO ENHANCE IMAGING POWER: Produce high contrast images with edge to edge sharpness and free of flare and ghost images.
  • DC MOTOR: Smooth, quiet AF operation using a built in AF driving motor.
  • QUICK SHIFT FOCUS SYSTEM: Possible to instantly switch from autofocus to manual focus operation, by holding the shutter release button halfway down and turning the focus ring after the subject is captured in focus by the camera’s AF system.
  • FOUR AF BUTTONS INSTALLED: In order to provide more stable AF operation regardless of the camera’s orientation, this lens provides four AF buttons on its barrel one at every 90 degrees so can be used effectivelly when shotting horizontally or vertically.
  • TRIPOD MOUNT BRACKET: Detachable tripod mount with a newly designed with an integrated lock mechanism to secure the lens from falling.
  • WHAT'S IN THE BOX: Includes Front lens cap, lens mount cap, Lens Hood and Lens case.
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Sony E PZ 10-20mm F4 G APS-C Constant-Aperture Power Zoom G Lens

  • The world's smallest, lightest ultra-wide-angle constant F4 APS-C power zoom lens combines outstanding mobility and image quality with the creative opportunities that only wide field of view and power zoom can provide..
  • Internal zoom and focus allows for the lens to maintain its length when focusing or zooming, providing a stable center of gravity that is ideal for vlogging or gimbal-mounted shooting.
  • Expand your possibilities for visual expression with the power zoom system, making it easy to execute super-slow constant-speed zooms and perform other operations that are difficult with manual zoom. Power zoom minimizes camera shake that can occur when operating a zoom ring so that even solo shooters can produce smooth, stable movie sequences..
  • Two linear motors ensure fast, quiet, low vibration autofocus that can smoothly track subjects when shooting high frame rate movies and reliably follow fast-moving subjects when shooting stills continuously at high speed. Focus is especially critical when shooting rate 4K or 8K movies, which this lens handles with ease..
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