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ZKTD-FLM22 Optical Inspection Equipment Full Automatic Digital Focus Meter

Categories Optical Measuring Instrument
Brand Name: ZKTD
Model Number: ZKTD-FLM22
Certification: National Standard
Place of Origin: China
MOQ: One set
Payment Terms: T/T
Supply Ability: 1000 sets per month
Delivery Time: 2-4 weeks
Packaging Details: Standard Safe transportation
Effective focal length(EFL): ±2mm~±500mm(Expandable range±2mm~±1300mm)
Rear focus intercept(BFL): ±2mm~±500mm
Radius of curvature: ±2mm~±500mm
Objective aperture: <80mm
Light source type: High performance cold light source
Detector: High resolution array detector
Eyepiece: Wide field electronic eyepiece
Measuring Range: ±3mm~±500mm
Resolution Ratio: 0.01″
Size And Weight: 358mm (L)× 318mm (W)× 980mm (H) / 35KG
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ZKTD-FLM22 Optical Inspection Equipment Full Automatic Digital Focus Meter


Optical Inspection Instrument ZKTD-FLM22 Full Automatic Digital Focus Meter


This fully automatic digital focus meter can measure the lens and camera lens with high accuracy, including effective focal length, radius of curvature, back focus intercept and other parameters. It also has testing functions such as window parallelism, plane wedge angle and so on. The effective focal length measurement is carried out by the software through the image processing control motion module to automatically find the best focal plane position, which ensures the measurement accuracy and frees the operators to the greatest extent; For the measurement of curvature radius and back focus intercept, the scanning process is also driven by software automatic analysis to find two optimal image plane positions respectively, and the distance is accurately measured by high-precision grating ruler. It not only improves the test efficiency, but also makes the test results more objective and not affected by human factors. The final test results are saved directly in a spreadsheet.


Technical Specification

Measuring RangeEffective focal length(EFL)±2mm~±500mm(Expandable range±2mm~±1300mm)
Rear focus intercept(BFL)±2mm~±500mm
Radius of curvature±2mm~±500mm
Objective aperture<80mm
Light source typeHigh performance cold light source
DetectorHigh resolution array detector
EyepieceWide field electronic eyepiece
Measuring Range±3mm~±500mm
Resolution Ratio0.01″
Accuracy3mm~25mm0.1%~0.3%
25mm~500mm0.03%~0.1%
Repeatability0.03%~0.2%
Size And Weight358mm (L)× 318mm (W)× 980mm (H) / 35KG
Extended MeasurementCenter deviation, radius of curvature, parallelism, plane wedge angle, etc
Note: Customized test scheme can be provided for special requirements

As optical glass processing factory, we aslo specialized in optical manufacturing equipment for many years. We mainly supply Optical Glass and Crystal Processing Equipment, Mobile Phone Cover Glass Making Machine, and Japan Second-Hand Optical Processing Equipment. Equipment includes double sided lapping grinding and polishing machine, inner circle cutting optical manufacturing equipment, double head glass engraving machine for making mobile phone cover, mobile screen printing machine, plane and spherical surface milling grinding machine, profiling edging machine, multi wire cutting equipment etc.


If you are interested in any type of optical manufacturing equipment, please feel free to contact us.


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