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  2. Optical measurement equipment Lens MTF measurement device Lenscheck (Asahiko Trading Co., Ltd.)
Optical measurement equipment Lens MTF measurement device Lenscheck-VIS
Optical measurement equipment Lens MTF measurement device Lenscheck-Asahiko Trading Co., Ltd.

Optical measurement equipment Lens MTF measurement device Lenscheck
Asahiko Trading Co., Ltd.

About This Product

■Summary

The LensCheck™ system is a compact, efficient, and easy-to-use quality control tool that provides efficient production and prototype lens measurements. Featuring patented Optikos® VideoMTF® image analysis software, real-time MTF testing and analysis allows users to quickly and reliably measure the lens they are measuring. This is an MTF measuring device suitable for measuring MTF of small diameter lenses, and is calibrated using our company's Audit Lens standard.

■Features

・Patented VideoMTF technology that enables real-time MTF measurements ・Flexible platform allows various measurements (MTF, EFL, distortion, etc.) ・VIS - Industry-leading measurement accuracy of 2% or less (1% typical) and repeatability of 1% or less (0.5% typical), each verified with a 50mm F4 Audit lens ・Industry-leading measurement accuracy of over 3% (2% typical) and repeatability of over 2% (1% typical) at LWIR-40lp/mm, each verified with a 25mm F1.5 Audit lens ・Configurable automatic measurement routines ・Easy to switch wavelength bands (VIS/NIR, SWIR, LWIR) ・Has been installed in production facilities and R&D facilities around the world

■Measurable units

・MTF on/off axis ・EFL and f/# ・Back focal length ・Astigmatism ・Field Curvature ・Distortion ・Chief Ray Angle ・Ensquared/Encircled Energy ・Axial and Lateral Chromatic ・Transmission ・Relative Illumination ・Veiling Glare Index ・Glare Spread Function ・Line of Sight

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    Optical measurement equipment Lens MTF measurement device Lenscheck

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1 Models of Optical measurement equipment Lens MTF measurement device Lenscheck

Image Part Number Price (excluding tax) Power supply Installation environment Housing size Focal length Maximum spatial frequency Entrance pupil diameter Light source part Lens mount (motorized) Filter Target Collimator Image format size Image analyzer F number Z-axis (motorized) Y-axis (manual) X-axis (motorized)
Optical measurement equipment Lens MTF measurement device Lenscheck-Part Number-VIS

VIS

Available upon quote

100-240VAC, 60/50Hz, <15amp

Optimal performance when used in a darkroom

Height 355mm, width 762mm, length 1,219mm
*Computer and peripherals not included.

≤100mm or less
When using the image analyzer objective lens

Standard up to 500lp/mm
Supports up to 1,000lp/mm by customization

Maximum 50mm

Fiber light source: 400~1,000nm

±105° off-axis rotation, 0.0001° resolution, glass scale encoder, 0.5m optical rail, automatic lens centering lens mount

Photopick, 546nm bandpass, infrared cutoff, RGB filter, 2 open spots

8 positions manual target, filter wheel, target: pinhole, crosshair, USAF1951, alignment target

355mm EFL, 50mm clear aperture

Image diagonal up to 25mm
Can be extended to 100mm as an option

CMOS GigE camera, 6MP or more, 4.5um pixels, 12-bit video, 40×0.65NA relay lens, sensitivity 400-1,000um.

F/20~f/1
Depends on signal-to-noise ratio when using appropriate image analyzer objectives

Movable range 25mm, resolution 0.1μm

Movable range 12.5mm

Movable range 25mm, resolution 0.05μm, glass scale encoder

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Asahiko Trading Co., Ltd.

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