Reviews Focus Calibration Device

Tokina ATX-i 11-20mm F2.8 Canon EF-S Mount

  • New modern and comfortable design for better handling.
  • New coating providing oimproved reslution and efficient flare management.
  • Ultra-wide angle focal with constant F2.8 aperture.
  • Constant size whatever the focal and focus for easier stabilizer calibration.
  • High-level optical performances.Max focal length: 20.0 millimeters.
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Arducam Lens Calibration Tool, Field of View (FoV) Test Chart Folding Card, Pack of 2

  • 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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ANDYCINE Monitor Cage with Hdmi Cable Clamp for ANDYCINE A6 Plus and FEELWORLD F6 Plus

  • 【 Professional Color Calibration and Touchscreen 】Can easily and intuitively zoom in and Out of your shot with the pinch-to-zoom gesture. The A6....
  • 【External Equipment Attach port】A Sony F970 external install and power kit design is added to the back of the monitor. The external kit can be....
  • 【Accurate Exposure and Focus】The monitor includes a plethora of useful features such as 3D Lut, histogram, false color, focus assist, embedded....
  • 【Widely Flexible Power Compatible for Cameras 】The A6 Pro has 4K HDMI in and loop-out, you can use it to display live signals, and also send them....
  • 【About the Type C 】The 5V Type-C port is only used for power supply, not for data transmission, and cannot provide loop-out power, Multiple Power....
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AURSINC NanoVNA SAA-2N V2.2 Vector Network Analyzer 50KHz-3GHz HF VHF UHF Antenna Analyzer Measuring S Parameters, Duplexer, Voltage Standing Wave Ratio, Phase, Delay

  • ...nical specifications，please refer to below path to get the firmware updated: drive. google .com/drive/folders/1Lr7AOTg2pAhYBZDfaiPVZTMZkFO14PMj.
  • ✔️The SAA-2N/NanoVNA_V2.2 uses a similar user interface to the NanoVNA, but with a different technical architecture, the SAA-2N/NanoVNA_V2.2 does not load the initial calibration data at startup, and does not automatically interpolate the calibration data after the user changes the frequency, and must recalibrate or call back the calibration data after each startup and frequency change. Please read the user manual carefully before use to avoid damaging the device.
  • ✔️Transmission Mearsure S21: 70dB(50KHz-1.5GHz), 60dB(1.5GHz-3GHz). Reflection Measure S11: -50dB(50KHz-1.5GHz), -40dB(1.5GHz-3GHz).
  • Antenna Analyzer: 1.005(50KHz - 1.5GHz), 1.02(1.5GHz-3GHz).
  • Flip Display, you can flip the display for your convenience usage.
  • ✔️ NOTE: The new batch of SAA2N analyzers have been upgraded to the laser labeling on the control dashboard, so you might find it difficult to read at the first sight, the former labeling is easy to fade after long-time usage, and we are still working on it. PC Connection: the device can be controlled by PC via VNA-QT software,supported for Linux, Windows (7+), Mac OS planned. It al....
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MAVORI Analog Hygrometer – Thermometer Hygrometer for Indoor – Premium Stainless Steel Humidity Gauge Indicator – Mechanically Operated Temperature and Humidity Monitor – High Accuracy - New

  • ...o plastic content, making this hygrometer corrosion-proof, durable and reliable!.
  • READY TO USE: This hygrometer analog is mechanically operated and doesn’t require any batteries or liquids to function. The device arrives already calibrated and can be immediately used. If calibration is required, our hygrometer has calibration screws that allow you to adjust the device!.
  • VERSATILE DISPLAY: Not only is highly accurate and easy to use but the Mavori temperature and humidity monitor is also elegant and versatile, blending effortlessly into any décor. It features a removable stand for a vertical standing position but it can also be mounted on the wall!.
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RCYAGO Digital PH Meter with ATC, 4 in 1 pH/EC/TDS/Temperature Meter 0.01 Resolution High Accuracy Pen Type Tester, Water Quality Tester for Pools, Drinking Water, Aquariums

  • ▶ 【Notification】Calibrate once per week if you often test solution of PH 003c4 or 003e10, or once per half month for neutral solutions. The 250ml calibration solution for multiple uses (10ml or so each time). Then rinse the electrode with pure water before next test. Rinse and rest 3-5 min before conversing from strong acid to strong alkaline and vice versa..
  • ▶ 【Automatic Calibration】 We make your job faster and easier than ever with this convenient PH tester! With the 3-point calibration procedures, your PH testing device will automatically identify the calibration solutions to give you your reading in a snap..
  • ▶ 【Automatic Temperature Compensation】 Temperature can affect reading levels, our PH meter's automatic temperature compensation can ensure that you're getting the best possible reading. Unlike other PH metersthat only have a range of 0-50 degree, ours has a even better range of 0-70 degree, so you can test with confidence in any environment..
  • ▶ 【Clear Digital Display with Alerts】 Tired of squinting at a small screen to get your readings? Enjoy this PH meter's large, backlit LCD screen that displays the information in an intuitive layout so you can still see even in low visibility situations. When the PH value is lower tha....
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RaeSung AZ86031 Water Quality Meter Dissolved Oxygen Tester pH Meter pH Conductivity Salinity Temperature Meter

  • AZ86031 Handheld IP67 Combo PH/COND./SALT/TDS/D.O was being designed and manufactured by AZ Instrument, a well experienced manufacturer for Environmental Measuring Instrument..
  • Water Quality Meter, also been called as Water Testing Device or Water Quality Testing Device, it’s the device that measure the value of pH, Cond. (Conductivity), Salinity, TDS and D.O. (Dissolved Oxygen) in liquid, which had been widely used by Aquaculture, Aquaponics or Fish Farm..
  • Multiple points calibration: 3 points for pH, 1point for D.O.,4 points for conductivity..
  • Large LCD with multiple parameters display simultaneously..
  • pH, Conductivity or Salinity or TDS, Dissolved oxygen & Temperature..
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Stud Finder, Preciva Wall Scanner Sensor -4 in 1 Multifunctional Wall Detector with Digital LCD Display and Sounding Warning for Studs, Wood, Metal, and AC Wires Detection(9V Battery Included)

  • FOUR SCANNING MODES: This Preciva stud finder has FOUR scanning modes, the stud scan, the deep mode, metal scan, and the AC wire scan.You can switch the modes as you like..
  • LCD BACKLIGHT DISPLAY: This multifunctional wall scanner detector has a graphic LCD display which can indicate the scanning modes, signal strength, automatic calibration and remaining battery indicator. The stud finder also features a backlight for use in the dark..
  • AUTOMATIC CALIBRATION: This wall detector could calibrate itself automatically. you can calibrate it by placing the device on the wall where there are no studs, metal or AC wire. The stud finder features a calibration indicator to avoid making mistakes and increase the detection accuracy..
  • SOUND INDICATION: This stud finder wall detector provides a beep signal alert, which could remind you of the position of the stud. If there is a stud,metal or AC wire, you can know the position quickly and clearly..
  • WHAT YOU WILL GET: You can get a STUD FINDER, a 9 V battery and a user manual.if there are any problems with our products - just contact us directly..
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ZLYCZW 3 in 1 Multifunctional Water Quality Detector IP67 Handheld PH Meter Dissolved Oxygen/Conductivity/Salinity Test Dissolved Oxygen Meter

  • ★ Water Quality Meter, also been called as Water Testing Device or Water Quality Testing Device, it’s the device that measure the value of pH,....
  • ★ Conductivity, Salinity, TDS and D.O. Dissolved Oxygen in liquid, which had been widely used by Aquaculture, Aquaponics or Fish Farm..
  • ★ Handheld IP67 Combo PH/COND./SALT/TDS/D.O was being designed and manufactured by well experienced manufacturer for Environmental Measuring....
  • ★ Large LCD with multiple parameters display simultaneously: PH, Conductivity or Salinity or TDS, Dissolved oxygen & Temperature..
  • ★ Multiple points calibration: 3 points for pH, 1point for D.O.,4 points for conductivity..
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