• NJC-4 manual lensmeter optical lensometer for eyeglass lens diopter measurement
  • NJC-4 focimeter for spherical and cylindrical lens measurement -20D to +20D
  • NJC-4 optical lens measuring instrument with prism and cylinder axis measurement
  • NJC-4 manual lensmeter for optical lab and eyewear production lens checking
  • NJC-4 eyeglass lens tester with 100 mm maximum lens diameter support
1 5

FMF

NJC-4 Manual Lensmeter ±20D Optical Lensometer Focimeter for Eyeglass Lens Measurement

$230.89 USD
$0.00 USD $230.89 USD
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NJC-4 Manual Lensmeter

The NJC-4 manual lensmeter is an optical lens measuring instrument, also called a lensometer or focimeter, for measuring the diopter values of spherical and cylindrical eyeglass lenses. It is designed for optical workshops, optical laboratories, eyewear production and retail optical-store lens checking.

Key Features

  • Measures spherical and cylindrical lens diopters.
  • Wide diopter range from -20D to +20D.
  • Eyepiece focus adjustment: +/-5D.
  • Minimum measurement unit: 0.125D.
  • Prism measurement range: 5△ with 1△ resolution.
  • Cylinder axis range: 0-180 degrees with 5-degree step size.
  • Supports lens diameters up to 100 mm.
  • Power supply: AC 220V/110V and DC 3V.

Specifications

Model NJC-4
SKU FMF-NJC-4-10329
Product type Manual lensmeter / lensometer / focimeter
Diopter measurement range -20D to +20D
Eyepiece focus +/-5D
Minimum measurement unit 0.125D
Prism measurement 5△ range, 1△ resolution
Cylinder axis 0-180 degrees, 5-degree step size
Maximum lens diameter 100 mm
Power supply AC 220V/110V, DC 3V
Package contents NJC-4 manual lensmeter, power adapter, English user manual

Typical Applications

  • The NJC-4 manual lensmeter is suitable for eyeglass lens diopter measurement.
  • The NJC-4 manual lensmeter is suitable for optical workshop and optical laboratory lens checking.
  • The NJC-4 manual lensmeter is suitable for eyewear production and retail optical-store inspection.
  • The NJC-4 manual lensmeter can be used as optometry practice equipment for measuring lens parameters.

Selection Notes

Before ordering the NJC-4 manual lensmeter, check the -20D to +20D diopter range, 100 mm maximum lens diameter, +/-5D eyepiece focus, 5△ prism range, cylinder-axis step, AC 220V/110V or DC 3V power supply, and manual optical reading workflow.

The NJC-4 manual lensmeter package contents are one NJC-4 manual lensmeter, one power adapter and one English user manual. Ordering reference SKU: FMF-NJC-4-10329.

FAQ

What does the NJC-4 measure?

It measures the diopter values of spherical and cylindrical eyeglass lenses.

What is the diopter range?

The listed measurement range is -20D to +20D.

What lens diameter does it support?

The listed maximum lens diameter is 100 mm.

What is included with the product?

The package contents list one NJC-4 manual lensmeter, one power adapter and one English user manual.

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