Best Lens Calibration Device

Vello LENS-2020 Lens Calibration Tool

  • This compact ruler allows you to determine if your lens is auto-focusing accurately as it should. It is an essential tool that is particularly useful when shooting with a shallow depth of field, where focusing should ideally be "spot on"..
  • You can use this ruler to determine how "off" the focusing is for a particular camera / lens combination and, on supported cameras, adjust the camera's auto-focus settings to resolve this.
  • On Nikon cameras, this feature is known as "AF Fine Tune". On Canon and Sony cameras, it's known as "AF Micro Adjustment". Please refer to your camera's instructions manual to see if this feature is present..
  • Package Included: Lens Focus Calibration Card X 2.
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Digital Innovations 4190200 CleanDr for DVD Laser Lens Cleaner

  • Laser lens cleaner for DVD players having issues with discs that load slowly, skip, or freeze during playback.
  • Included Home Theater Sound Calibration Tools help maintain ideal audio playback settings, with on-screen and voice instructions available in English, French and Spanish.
  • Cleaning the laser lens can extend the life of the DVD player while improving sound and image quality.
  • Safe for DVD players, Computers (DVD), XBOX/XBOX360 and PS1/2 game systems. Not intended for use with Blu-Ray players, WiiU, XBOX ONE or PS3/PS4.
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LaCrosse 104-114 Round Thermometer, 13.5"

  • ...ermometer accurately measures temperature and humidity simultaneously ranges between -40 and 120℉/-40 and 50 °C to accommodate all climates, both Celsius and Fahrenheit are available.
  • humidity range from 0 to 100%RH, to keep house or garden in great condition.
  • Automatic Calibration within 2-3 Hours: This weather thermometer with a precision-made thermometer coil ensures accurate readings. The hygrometer uses a built-in mechanical movement that enables real-time sensing, so you don't need to calibrate it and does not require a battery. For manual calibration, you could turn the knob behind the thermometer to increase or lower the temperature..
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Cell Phone Camera Lens, 8X Zoom Telephoto Lens, Smartphone Lens for iPhone, Samsung, Android, Monocular Telescope

  • ...lephoto Lens gives you the ability to capture in detail the beauty of life that surrounds all around us. Seeing the leaves from a far away tree, glorious landscapes, and fully capturing your nature hikes. This Lens can also be used as a Monocular Lens, allowing you to see from afar. ( Quick warning, when using this device as a Monocular Lens, DO NOT look into the sun)..
  • 【Telescope】 – Transform your phone into a Telescope, just by attaching the Zoom Lens onto your mobile device. With this telescope, you will receive sharper images and a more accurate color reproduction, all thanks to its optical eyepieces and objectives..
  • 【Focus Capabilities】 – Starting Focal Length is 18mm to a Maximum of 144mm. You manually adjust the Focal Ring of the Lens, along with focusing your mobile device onto the Landscape you choose. We highly encourage you to remove your mobile device cover before attempting to attach the Zoom Lens. This will allow you to take more clear and focused photos..
  • 【Portable】 – This is the perfect item to carry around on your next nature hike, bird watching trip, sightseeing excursion, camping trip.
  • 【Compatible Devices】- Compatible with every mobile device. Mobile devices who have more th....
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SP Bel-Art, H-B DURAC Bi-Metallic Dial Thermometer; 10 to 150C (50 to 300F), 1/2 in. NPT Threaded Connection, 75mm Dial (B61310-8500)

  • Thermometers feature a 1/2” NPT threaded connection and polycarbonate lens.
  • External adjustment allows for simple field calibration.
  • Each thermometer features accuracy to 1%.
  • Individually packaged with a multi-language (English, French, German, Italian, Portuguese and Spanish) Statement of Test and Calibration.
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SP Bel-Art, H-B DURAC Bi-Metallic Dial Thermometer; 70 to 400C (150 to 750F), 1/2 in. NPT Threaded Connection, 75mm Dial (B61310-8000)

  • Thermometers feature a 1/2” NPT threaded connection and polycarbonate lens.
  • External adjustment allows for simple field calibration.
  • Each thermometer features accuracy to 1%.
  • Individually packaged with a multi-language (English, French, German, Italian, Portuguese and Spanish) Statement of Test and Calibration.
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SP Bel-Art, H-B DURAC Bi-Metallic Dial Thermometer; 60 to 400C (150 to 750F), 1/2 in. NPT Threaded Connection, 75mm Dial (B61310-8700)

  • Thermometers feature a 1/2” NPT threaded connection and polycarbonate lens.
  • External adjustment allows for simple field calibration.
  • Each thermometer features accuracy to 1%.
  • Individually packaged with a multi-language (English, French, German, Italian, Portuguese and Spanish) Statement of Test and Calibration.
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SP Bel-Art, H-B DURAC Bi-Metallic Dial Thermometer; 10 to 260C (50 to 500F), 1/2 in. NPT Threaded Connection, 75mm Dial (B61310-8600)

  • Thermometers feature a 1/2” NPT threaded connection and polycarbonate lens.
  • External adjustment allows for simple field calibration.
  • Each thermometer features accuracy to 1%.
  • Individually packaged with a multi-language (English, French, German, Italian, Portuguese and Spanish) Statement of Test and Calibration.
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SP Bel-Art, H-B DURAC Bi-Metallic Dial Thermometer; -20 to 120C (0 to 250F), 1/2 in. NPT Threaded Connection, 75mm Dial (B61310-8200)

  • Thermometers feature a 1/2” NPT threaded connection and polycarbonate lens.
  • External adjustment allows for simple field calibration.
  • Each thermometer features accuracy to 1%.
  • Individually packaged with a multi-language (English, French, German, Italian, Portuguese and Spanish) Statement of Test and Calibration.
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