Efficient, Cost-Effective, and Easy-to-Use Quality Control for Your Production and Prototypes
LensCheck™ gives manufacturers the compact tools they need to perform quick, reliable, and accurate lens qualification. Whether you’re testing prototypes or final products, LensCheck ensures consistent quality control and reduces the risk of defects.
Why Choose LensCheck?
- Fast and Reliable MTF Testing: Quickly assess lens performance,reducing your production cycle and improving overall efficiency.
- Flexible Platform: Support a wide range of measurements, including MTF, EFL, and Distortion, giving you complete flexibility in your testing.
- Unmatched Accuracy:
- VIS: Industry-leading measurement accuracy (better than 2 MTF, 1 MTF typical), and repeatability better than 1 MTF (0.5 MTF typical) — validated with a diffraction-limited audit lens.
- LWIR: Exceptional accuracy (better than 3 MTF, 2 MTF typical), and repeatability better than 2 MTF (1 MTF typical) — validated with a diffraction-limited audit lens.
- Automated and Configurable: Streamline your testing with automated measurement routines, easily customizable to fit your exact needs.
- Seamless Waveband Switching: Effortlessly switch between VIS/NIR, SWIR, or LWIR for comprehensive testing across multiple wavebands.
Selection of Standard Packages
| Product | Waveband | Recommended Effective Focal Length | Maximum Entrance Pupil Diameter |
| LensCheck VIS (IN-LCK-VIS-355) |
0.4-1 µm | Maximum 150 mm | 50 mm |
| LensCheck VIS 750 (IN-LNK-VIS-750) |
0.4-1 µm | Maximum 300 mm* | 50 mm |
| LensCheck VIS 1000 (IN-LCK-VIS-1000) |
0.4-1 µm | Maximum 300 mm* | 100 mm |
| LensCheck VIS 1500 (IN-LCK-VIS-1500) |
0.4-1 µm | Maximum 300 mm* | 150 mm |
| LensCheck SWIR (IN-LCK-SWIR-750) |
0.9-1.7 µm | Maximum 150 mm | 50 mm |
| LensCheck LWIR 150 (IN-LCK-LWIR-150) |
7-15 µm | 2.5-25 mm | 50 mm |
| LensCheck LWIR 360 (IN-LCK-LWIR-360) |
7-15 µm | 5-50 mm | 50 mm |
| LensCheck LWIR 1000 (IN-LCK-LWIR-1000) |
7-15 µm | 20-200 mm | 100 mm |
| LensCheck LWIR 1500 (IN-LCK-LWIR-1500) |
7-15 µm | 30-300 mm | 150 mm |
Ready to improve your lens qualification process? Get Started with LensCheck™ Today
- MTF – On/Off Axis
- EFL and f-number
- Back Focal Length
- Astigmatism
- Field Curvature
- Distortion
- Chief Ray Angle
- Transmission (VIS option – requires optional Transmission Kit)
- Stray Light (VIS option – requires optional Stray Light Kit)
- Axial Chromatic (VIS option – requires optional Reflective Collimator and Apochromatic Objective Relay Lens)
- Lateral Chromatic (VIS option – requires optional Reflective Collimator and Apochromatic Objective Relay Lens)
- Patented VideoMTF® technology enables real time MTF measurements
- Flexible platform allows a wide range of measurements (e.g. MTF, EFL, Distortion)
- VIS – Industry leading measurement accuracy better than 2 MTF (1 MTF typical); and better than 1 MTF repeatability (0.5 MTF typical)—validated with a diffraction-limited audit lens
- LWIR – Industry leading measurement accuracy better than 3 MTF (2 MTF typical); and better than 2 MTF repeatability (1 MTF typical)—validated with a diffraction-limited audit lens
- Configurable automated measurement routines
- Easily switch between wavebands (VIS/NIR, SWIR, or LWIR)
- Installed in production and R&D facilities around the world
| Measurement Accuracy: | VIS – Industry leading measurement accuracy better than 2 MTF (1 MTF typical) validated with a diffraction-limited audit lens. LWIR – Industry leading measurement accuracy better than 3 MTF (2 MTF typical) validated with a diffraction-limited audit lens. |
| Repeatability: | VIS – Better than 1 MTF (0.5 MTF typical) repeatability—validated with a diffraction-limited audit lens. LWIR – Better than 2 MTF (1 MTF typical) repeatability—validated with a diffraction-limited audit lens. |
| Physical Size: | 15″ (355mm) H 30″ (762mm) W 48″ (1219mm) L |
| Power Requirements: | 100 ~ 240 VAC 60/50 Hz Computer 8/5A, monitors 0.6A each, DC power supply 1.6A, light source 2/1A |
| Environmental: | Optimal performance is achieved in a dark room |
| Refractive Collimator: | 355mm EFL, 50mm clear aperture; shorter EFL collimators available upon request |
| Source Module: | VIS – Fiber-optic light source: 400-1000 nm Electronic shutter enables automatic background corrections 8-position manual target and filter wheels Target set: pinholes, USAF 1951, and alignment target Filter set: photopic, 546 nm bandpass, infrared cutoff, and RGB set SWIR – Fiber optic light source, 400-2000nm Light guide with enhanced transmission in the SWIR spectrum Electronic shutter enables automatic background corrections 12-position motorized target wheel Target set: slits, pinholes, and alignment targer Filter: 0.9-1.7μm bandpass LWIR – Broadband emitter: 7-15 microns 12-position high-speed motorized target wheel Target set: slits, pinholes, crosshairs, and alignment target Filter: 8-12 micron bandpass |
| Image Analyzer: | VIS – Sony EXview HAD CCD II offers improved sensitivity, dynamic range and noise characteristics: 2736 x 2192 pixels Calibrated 40x 0.65 NA achromatic objective 14-bit video output SWIR – InGaAs camera 640×512 format Spectral responsivity 0.9-1.7μm NIR apochromatic tube lens Calibrated 20x 0.40NA NIR Apochromatic objective LWIR – Uncooled microbolometer 324 x 256 format Spectral sensitivity 7.5-15 microns Calibrated 7.5x 0.70NA relay lens 14-bit video output |
| Motorized Z-axis: | 25mm travel 0.1 μm resolution |
| Motorized X-axis: | 25mm travel with 0.05 μm resolution glass scale encoder |
| Manual Y-axis: | 12.5mm travel |
| Motorized Lens Platform: | +/- 105° off-axis rotation 0.0001° resolution glass scale encoder 0.5m optical rail Self-centering lens mount |
| Options | VIS | LWIR |
|---|---|---|
| Finite Conjugate Instrument (available as an option or standalone unit) | ✔ | |
| Small Format Finite Conjugate System | ✔ | |
| Adjustable Conjugate Instrument (available as a standalone or by customizing existing LensCheck) | ✔ | |
| Stray Light Kit | ✔ | |
| Achromatic Objectives | ✔ | |
| Apochromatic Objectives | ✔ | |
| Transmission Kit / Relative Illumination Kit | ✔ | |
| Rotary Lens Mount—360° | ✔ | ✔ |
| Reflective Collimator | ✔ | ✔ |
| Audit and Reference Lenses | ✔ | ✔ |
| Lens Mounts * | ✔ | ✔ |
| Thermal Module | ✔ | |
| LensCheck Enclosure | ✔ |
* Supplied with standard three-jaw caliper lens holder for lenses with diameters in 5-25mm range. For best results, we suggest using available lens mount for specific mounting interfaces. A partial list of available adapters includes the following: M7 through M12, C-mount, T-mount, etc. Custom adapter plates are available.
