Reviews Focus Calibration Device

Ketone Breath Tester, Ketosis Meter, Keto Breathalyzer with 10pc Mouthpieces(mmol/L Display Units)

  • ...re is no additional cost. but you just buy them once and use them basically..
  • FUEL CELL SENSOR: The technology for ketone breath analyzers is in its maturity stage. Therefore, the future directions of this testing are likely to focus on increasing the devices’ sensitivity. Because a high quality sensor requires re-calibration from time to time, the Ketone Meter features a self-diagnostic mode. This is simply the device's re-calibration mode when it has sensed gases or other airborne smells in the air..
  • 3 LCD DISPLAY COLO - 0.1-2.9 readings with GREEN background, 3.0-4.9 readings with YELLOW background and over 5.0 readings with RED background.
  • powered by 2*AAA batteries (not included). if you are not satisfied for any reason, we offer money back for 30 days after purchase, or we will replace the defective product at no charge, if you meet any problem during operation with our keto test devices, please contact our service team, and we will get back to you at once.
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FEELWORLD F570 5.7 inch DSLR on Camera Field Monitor Small HD Focus Video Assist IPS Full HD 1920x1080 Support 4K HDMI Input Output Rugged Aluminum Housing

  • 5.7″ IPS screen,Full HD 1920×1080 high resolution,High brightness: 460cd/m2,High Contrast: 1400:1, support 4K HDMI input and output.
  • Viewing angle: 85°/85°(L/R) 85°/85°(U/D), wide 170° viewing angle makes it easy for multiple members of the crew to watch it at the same time.
  • Ultra-thin design 0.73 inch thickness, compact and rugged for stabilizer,portable small and 280g lightweight monitor,it’s easy to hold in your hands.
  • Professional Rec.709 HD color standard, and color calibration technology, with the professional instrument calibration at the factory, it can achieve monitor calibration efficiently and get accurate color reproduction easily, do not distort the color, show the real image when you shooting video.
  • Advanced Features:* Brightness Histogram * Peaking Focus Assist (Red, Green, Blue three colors optional highlight over parts of the image in focus) * False Colors * Zebra Exposure (1-100IRE adjustable) * Check Field (Red, Green, Blue, Mono) * Camera Mode * Anamorphic Mode (1.3x, 2.0x, 2.0x mag) * Image Flip (H, V, H/V) * Image Freeze * Center Marker * Screen Marker (80%,85%,90%,93%,96%, 2.35:1) * Ratio marker (4:3,13:9,14:9,15:9,16:9,1.85:1,2.35:1) * Color Temperature Adjustment etc.
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Datacolor SpyderX Capture Pro: Photo Tool Kit for Precision Color Control from Capture Through Editing

  • SpyderX Capture Pro is the ultimate color management tool kit for serious photographers & pros with all the essentials needed to precisely manage color from capture through editing in your workflow..
  • Spyder LensCal corrects autofocus for each camera and lens combination for fast, reliable, razor-sharp auto-focus performance..
  • Spyder Cube defines white and black values, otherwise impossible to do with a standard gray card. Ensures accurate RAW settings for editing..
  • Spyder Checkr takes color control to the next level using HSL-Presets to ensure color consistency from day to day and camera to camera..
  • SpyderX Elite is our fastest (4X faster), most accurate and easiest-to-use monitor calibration device, ever. It allows you to align seamlessly with monitor upgrades for screen types, resolutions and gamuts, plus updates like 64-bit technology..
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Focus Pyramid AutoFocus Lens Calibration Tool Compatible With Most DSLR Cameras

  • Frustrated with slightly out of focus images?.
  • You need to take control over your cameras autofocusing system.
  • Focus Pyramid makes lens calibration quick and easy at an affordable price.
  • Use with all modern DSLR Camera Canon Nikon Sony Fuji Olympus Pentax and more.
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SunGrow Measure Salinity of Water with Aquarium Refractometer Remarkable Accuracy Includes Calibration Tool Ensures Overall Health of Plant and Marine Life Easy and Clear Reading

  • ✔ SPECIFICALLY DESIGNED REFRACTIVE INDEX READER FOR SALTWATER AQUARIUM--The algorithm is made specifically for testing seawater and saltwater. This....
  • ✔ AUTOMATIC TEMPERATURE CALIBRATION --- The calibration process should be carried out with both the room and the instrument at 68° F. The....
  • ✔ EASY AND CLEAR READING FOR SALTWATER AQUARIUMS AND REEF TANKS--- The refractometer comes with a focus adjustment on the eyepiece, this will give....
  • ✔ COMES IN A SOLID CASE INCLUDES PIPETTE AND CALIBRATION TOOL --- This well-established instrument is not only built extremely well, but it comes....
  • ✔ KEEP YOUR FISH AND PLANT LIFE IN OPTIMAL HEALTH--- Pure saltwater is crucial for the vitality of your marine or reef aquarium. Use our product to....
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SmallRig MagicFIZ Wireless Follow Focus Controller Kit Lens Focus Control with Handgrip Electronic Controller Module and Accessories for DSLR Mirrorless Cine-Style Lenses - 3917

  • ...algorithm and anti-interference encryption algorithm, SmallRig 3917 can provide precise and low-latency follow focus experience for video shooting, with a remote control range of up to 328ft/ 100m in open area..
  • 【Power Off Memory Function】: The wireless follow focus controller kit is equipped with one-click lens calibration and power off memory function. In the case of power off, it does not need to repeatedly calibrate the lens process and AB point setting, which greatly improves the shooting efficiency..
  • 【Extended Handle for Both Hands】The focusing handle adopts ergonomics and modular design, which can realize comfortable holding and anti-twisting. It is expanded through the 1/4 "- 20 threaded holes on both sides in conjunction with the adapter 3264. The handle is compatible with the left and right hand interchangeability to meet the needs of handheld photography..
  • 【OLED Screen】: The ultra-low-power 0.96" OLED screen with RGB lighting effect and vibration warning provides a simple but efficient interaction experience..
  • 【Please Note】: 1.The electronic controller module and matched motor (ID: 3263, not included in the package) can be operated only under the same frequency band and number. 2. A calibration is required when the wireless han....
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KAIFNT K553 Digital Torque Adapter, 1/2-Inch 12 to 250 ftlbs, Buzzer/LED Flash Notification, Dual Direction

  • Converts a ratchet wrench into a digital torque wrenchand is also an accurate calibration device for existing torque wrenches.
  • Torque range from 12 to 250 ftlbs or 17 to 340 newton meters. Clear audio and visual signals when reaching desired torque.
  • Large LCD digital display with backlight let you effortlessly for viewing and tuning torque settings. 50 readings memory.
  • Dual direction with exceptional accuracy at +/- 2%, each set is shipped pre-calibration tested for accuracy and includes a calibration certificate.
  • 1/2-inch drive and socket is compatible with size adapters. Comes with 2-piece socket adapter and a precision screwdriver.
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FEELWORLD T7 7 Inch DSLR On Camera Field Monitor Video Assist Full HD 1920x1200 4K HDMI Input Output with Peaking Focus Rugged Aluminum Housing

  • 7" Full HD 1920x1200 high resolution Precise Color, The pixel density of the T7 packs an impressive 323 PPI (Pixels Per Inch) . Sharper images, brings you the perfect visual experience..
  • IPSWider View Angle 160°:Viewing Angle become very important, T7 IPS 160° wide viewing angle allows the operator to have a clear, easy-to-see image as their position shifts..
  • T7 uses the professional Rec.709 HD color standard, and uses the color calibration technology, it can achieve monitor calibration efficiently and get accurate color reproduction easily, do not distort the color, show the real image when you shooting video..
  • More Auxiliary Functions: integrated histogram, embedded audio, peaking focus assist, false color, exposure, check field, nine grid and zoom in professional functions, assist users to accurately exposure and focus when shooting, making and playing movies/ videos..
  • Ultra-thin Lightweight Design:Hard aluminum shell Specially designed to merge portability, and functionality, 18mm thickness 320g the T7 gives you freedom to shoot well anywhere. See your picture accurately, consistently and clearly, regardless of your position..
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SYNRA Honey Refractometer, Provides Accurate Brix, Moisture, and Baume Measurements, Non-Slip Grip, Multi-Functional and Easy to Calibrate, with Protective Case

  • ...rements for honey-making no matter what the environment’s temperature is. It allows you to measure honey’s sugar content up to 90% Brix, moisture, and Baume. You can have all three liquid indices at one time..
  • Easy To Calibrate And Use Refractometer --- To calibrate this measuring device, add a few drops of calibration solution on the prism and adjust using a screwdriver. Put three drops of honey on the prism and then look into the eyepiece to read the measurement. It comes with a focus feature for clearer view results..
  • Comfortable Optical Device --- This measuring tool has used durable metal and plastic materials in its overall construction. It showcases a soft rubber eyepiece for comfortable reading. The cushioned and non-slip rubberized grip, on the other hand, helps shield the sample solution from body heat..
  • Multi-Functional Measuring Tool --- Aside from checking the honey quality, this black and silver-colored refractometer can also measure the properties of other high sugar-related liquids like maple syrup and molasses. It is also an excellent measuring tool to get the sugar content in beer, fruits, wine, and vegetables..
  • Portable And Compact --- This optical instrument is portable and only measures 5.9”x 1.4”x1.4”. It is easy to c....
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DSLRKIT Lens Focus Calibration Tool Alignment Ruler Folding Card(Pack of 6)

  • Multifunctional for Lens: Calibrate lens focus, measure the FoV and estimate the sharpness.
  • Easy to Use: Quick setup in seconds and measuring in minutes with online video tutorial..
  • A Handy Tool: Easily getting the Field of View of the lens without calculation.
  • Clean and Tidy: Foldable card style, folded and unwrapped repeatedly for quick setting and better storage.
  • Application: Focus calibration, sharpness estimation and field of view quick measuring for M12, CS-Mount, C-Mount and DSLR lenses..
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SmallRig MagicFIZ Wireless Follow Focus Basic Kit with Handwheel Controller and Receiver Motor 100m / 328ft Remote Focus Control for DSLR and Cine Lenses - 3781

  • ..., by USB-C to D-tap Cable (ID: 3266) or USB-C to DC cable (ID: 3268) with V-Mount battery (ID: 3579/3580)..
  • 【User-friendly OLED Screen】: The controller features an ultra-low-power yet clear 0.96" OLED screen with RGB lighting effect and vibration warning, and the motor features a 0.52" OLED display that provides calibration data..
  • 【Versatile Shooting Scenarios】: With a unique modular design, our MagicFIZ wireless lens control system provides everything you need to control your lens focus, no matter whether you are in a one-man crew or teamwork. You can add a wireless handgrip (ID: 3917), motor (ID: 3263), control cables, and other Eco-accessories for multi-scene shooting..
  • 【One-Click Lens Calibration】: The handwheel controller comes with a power failure memory function to save recalibration and A-B point settings. The kit also allows you to control run/stop on your camera using an optional cable..
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FEELWORLD F5 Pro V2 5.5 Inch Touch Screen DSLR Camera Field Monitor with 3D LUT F970 External Kit Install for Power Wireless Transmission IPS FHD1920x1080 4K HDMI Input Output 5V Type-c Input Tilt Arm

  • 【Easy Touchscreen and Professional Color Calibration】Can easily and intuitively zoom in and Out of your shot with the pinch-to-zoom gesture. The F5 Pro provides a sharp image, with 500nit, native 1920x1080 high resolution, REC-709 color calibration, make you enjoy sharper and richer colors image..
  • 【Install Power External Equipment Easily】A Sony F970 external install and power kit design is added to the back of the monitor. The external kit can be used to install and install the external equipment, like wireless transmitter, LED light, video converter and others which can be powered by Sony F970 battery, greatly saving the space occupied by the equipment and reducing the weight of photography equipment..
  • 【Accurate Exposure and Focus】The monitor includes a plethora of useful features such as histogram, false color, focus assist, embedded audio, pixel to pixel, frame guides, nine grid etc. can help you accurate exposure and focus..
  • 【Widely Compatible for Camera | Flexible Power】The F5 Pro has 4K HDMI in and loop-out, allowing it to not only display live signals, but also send them out to other monitors simultaneously. With type-c input, F970 battery plate, the power kit and 8.4V DC output, flexible choice of power supply..
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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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