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Best Lens Focal Length

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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Nikon COOLPIX P1000 16.7 Digital Point and Shoot Camera + 128GB Memory + Case + Filters + Tripod + 3 Piece Filter Kit + More (24pc Bundle)

  • ...BSI CMOS Sensor ,EXPEED Image Processor ,ISO 100-6400 , 2.36m-Dot OLED EVF , 3.2 inch 921k-Dot Vari-Angle LCD Monitor ,4K UHD Video Recording , SnapBridge via Wi-Fi or Bluetooth ,Auto, Aperture, Shutter & Manual Mode.
  • 16MP backside illuminated CMOS sensor, features a built-in NIKKOR lens with a 35mm equivalent focal length range of 24-3000mm. You can zoom even further with 250x Dynamic Fine digital zoom, which will give you an equivalent focal length of 6000mm. Coupled with these extreme focal lengths is Nikon's Dual Detect Optical Vibration Reduction, which provides 5 stops of optical image stabilization and ensures your telephoto shots are crisp..
  • 125x Optical Zoom with Dual Detect Optical Vibration Reduction An absurd 24-3000mm (35mm equivalent) focal range means few, if any, objects are out of the reach of your lens. Zoom is further enhanced by Dynamic Fine digital zoom, which makes the maximum focal length a ridiculous 6000mm. Dual Detect Optical Vibration Reduction provides 5 stops of optical image stabilization so your handheld shots are crisp..
  • The P1000 features a slew of shooting modes that adjust settings for different scenarios like sunsets, fireworks, and portraits. The popular Moon Mode is great for shooting Earth's closest neighbor and th....
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Nikon AF-S FX NIKKOR 200-500mm f/5.6E ED Vibration Reduction Zoom Lens with Auto Focus for Nikon DSLR Cameras (Renewed)

  • Fast f/2.8 constant aperture with an electromagnetic diaphragm.
  • Sensational image quality and sharpness with virtually no distortion, Focal Length Range : 24 to 70 millimeter.
  • Minimum Focus Distance : 35 to 50 millimeter focal length : 1.2 feet (0.38 meter) from focal plane.
  • 24, 28, 70 millimeter focal lengths : 1.3 feet (0.41 meter) from focal plane.
  • 88.0 millimeter maximum diameter x 154.5 millimeter (distance from camera lens mount flange).
  • 4 stops of Vibration Reduction for handheld and low light shooting, Nonstick glass makes it easier to wipe off water, dirt and smudges.
  • Evolution of Nikon's legendary 24 to 70 millimeter workhorse.Type:Fmount, Type E AF S lens with built in CPU and F mount.Lens Elements:20.
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VILTROX EF-EOS M2 Auto Focus Lens Adapter 0.71x Reducer Speed Booster for Canon EF Mount Lens to Canon EF-M Mount Mirrorless Camera EOS M M2 M3 M5 M6 M10 M50 M100

  • 【Compatibility】VILTROX EF-EOS M2 Speed Booster compatible with Canon EF Lens to Cano EF-M Mount mirrorless camera EOS M M2 M3 M5 M6 M6II M10 M50 M50II M100 M200..
  • 【0.71x Focal Length Reducer 】Built-in optical correction group, when using this adapter, the focal length of lens should be shortened x0.71 based on the original,that is equivalent focal length = focal length x 0.71x camera conversion rate,which make the effective focal length smaller and the shooting range wider..
  • 【Aperture increased by 1 stop】EF-EOS M2 Speed Booster can increase one stop aperture to blur the background and better highlight the theme..
  • 【Auto Focus & Aperture Control】EF-EOS M2 Speed Booster with steady, fast and smooth autofocus, let you easy to shoot in the face of fleeting beauty. You can also adjust the aperture of EF lens by control EOS M series camera body..
  • 【EXIF signal transmitting & IS Function】Cooper gold-plated contacts with great conductivity enhance the EXIF info. Transmission between lens and camera body. Built-in IS function, making your focus much more precise an....
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Olympus WCON-P01 Wide Angle Converter For Olympus 14-42mm MFT Lens

  • Olympus WCON-P01 Wide Converter - Front Lens Cap - Rear Lens Cap - Olympus 1 Year Warranty.
  • Lens Combinations: Master lens: M.ZUIKO DIGITAL 14-42mm f:3.5-5.6 II (Focal length set to maximum wide position recommended).
  • Focal Length: 11mm (Micro Four Thirds)/20.8 mm (35mm format).
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Sony SEL-20F28 E-Mount 20mm F2.8 Prime Fixed Lens (Renewed)

  • Minimum Focus Distance : 0.66 ft (0.2 m), Maximum Magnification ratio : 0.12x.
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Sony SELP18105G E PZ 18-105mm F4 G OSS , Black

  • High performance E mount lens with excellent contrast.
  • Minimum Focus Distance : 1.48 (Wide) 3.12 ft (Tele), Maximum Magnification ratio : 0.11x, Focal Length : 18 105 mm.
  • Versatile 27 158mm (35mm equiv.) zoom range. Angle of view (APS C): 76° 15°. Number of aperture blades are 7.
  • Constant F4 maximum aperture throughout the zoom range. Filter diameter (mm):72 mm.
  • It is recommended that you use a lens hood to reduce flare and ensure maximum image quality.Focal Length (mm) 11/16 4 1/8 35 mm equivalent focal length (APS C) 1 1/16 6 3/16 inches.
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Sony SEL16F28 16mm f/2.8 Wide-Angle Lens for NEX Series Cameras

  • Lens not Zoomable. Footnotes:"35 mm equivalent focal length (APS-C)" and "Angle of View (APS-C)" are with interchangeable lens digital camera....
  • Minimum Focus Distance : 0.8 ft (0.24 m).
  • Focal Length : 16 mm. Angle of View (APS-C)- 83°. 35 mm equivalent focal length (APS-C)- 24 mm.
  • Compatible with optional VCL-ECU1 ultra-wide converter and VCL-ECF1 fisheye converter.
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Canon 242R241 Extender EF 2X III, White/Black

  • Extends the focal length of your lens by 2x.This lens is only compatible with fixed focal length L-series lenses 135mm and over, as well as the EF 70-200/2.8L, EF 70-200/2.8L IS, EF 70-200/4L, and EF 100-400/4.5-5.6L.
  • Outstanding image quality thanks to new optical design and improved AF performance.
  • Highly resistant to dust and water for use in harsh conditions.
  • Built in micro computer enables effective communication between lens and camera.
  • Lens coatings are optimised to minimise ghosting and flare.
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OLYMPUS M.Zuiko Digital ED 12-40mm F2.8 Pro Lens, for Micro Four Thirds Cameras

  • Focal length: 12 to 40 millimeter, minimum focus distance 7.87 inches (20 centimeter ).
  • Dust proof, splash proof, and freeze proof construction. Lens construction: 14 elements in 9 groups (Aspherical ED lens, 2 Aspherical lenses, DSA lens, 2 ED lenses, HD lens, 2 HR lense).
  • Includes lens hood and pouch, filter size 62 millimeter, equipped with manual focus clutch mechanism.
  • Compatible with Olympus and Panasonic cameras.
  • Focal length: 12 to 40 millimeter, minimum focus distance 7.87 inches (20 centimeter).
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HMANE Telescope Reflector Main Mirror 1600mm with Secondary Mirror 40mm, Newton Reflector Spherical Mirror DIY Astronomical Telescope Mirror Kit, 226SQ59LARZVJE14JMZ8XR

  • Contains a primary lens with an objective lens diameter of 203mm and a focal length of 1600mm, and a secondary mirror with a short axis (short side diameter) of 40mm length. This is the core component of a set of mirrors..
  • Features: The main mirror is a spherical mirror with aluminized surface and a protective film to prevent scratches on the main mirror under light touch. The workmanship is excellent..
  • Advantages: Compared with cheap telescopes on the market, our primary mirror has a diameter of 203mm and a large-aperture optical glass with a focal length of 1600mm, which can see farther, and the focal length is as high as 1600mm, which can significantly reduce the imaging failure caused by spherical aberration. Real, greatly improved the experience, this is a professional DIY telescope lens set..
  • This kit has more collection and commemorative opinions. At the same time, the lens can support the famous schlieren experiment. It can make the home a laboratory in seconds, suitable for teaching, childrens hobby training, hands-on and other ability training..
  • Tips: For the fixation of the eyepiece, lens barrel, and fixed lens. You need to buy them by yourself..
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VILTROX EF-EOS M2 Speed Booster Canon 0.71x Autofocus Speedbooster Canon EF-M Lens Adapter Compatible with Canon EF to m50 m200 m6 m5 m50 ii m6 ii

  • The VILTROX EF-EOS M2 is designed to allows Canon EF lenses to be mounted on the Canon EOS M mirrorless camera, compatible with all lens functions. Can increase the lens 1 f-stop, increasing the amount of light into the virtual background, can better highlight the theme ..
  • Allows the aperture increased by one level while the focal length is reduced (equivalent focal length= focal length x 0.71 x 1.6), increase the lens 1 f-stop, Bring better photo bokeh..
  • Signal transmission using PIN gold needle, greatly enhanced its transmission performance, real-time preview of photo information on camera, full compatible with Canon lens and camera features, e.g. autofocus, image stabilization, auto aperture adjustment, etc..
  • 4 lens elements in 4 groups for optical clarity as well as color fidelity.Detachable tripod foot with 1/4"-20 accessory thread for direct attachment to tripods or quick release plates that feature 1/4"-20 mounts..
  • USB upgrade port: Through continuous software updates, VILTROX will help users get better shooting experience, fix product bugs and constantly adapt to the new EF lens, provide more Canon lens and camera combinations..
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Optical Glass Lens, 3' (75mm) - 200mm Focal Length - Ground, Beveled Edges - Use as Top Spinning Base - Eisco Labs

  • DOUBLE CONCAVE || Highly polished, double concave lens.
  • SPHERICAL || Lens measures 3" (75mm) in diameter and approximately 12mm thick.
  • 200MM FOCAL LENGTH || Diverging lens with a 200mm focal length.
  • OPTICALLY WORKED GLASS || Made of high quality, optically worked glass. Highly polished with beveled, ground edges.
  • GREAT FOR PHYSICS CLASSROOMS or TOP SPINNING || This optically true lens is excellent for physics classroom demonstrations in optics and light refraction. It's smooth, concave surface also makes this lens ideal for top spinning.
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