Custom Chromatic Confocal Objective Lens with Optimized Optical Structure and Reliable Performance VY-DO50/0.22
Chromatic Confocal Dispersive Objective Lens is an optical objective designed with controlled chromatic dispersion characteristics. It uses wavelength-dependent focusing behavior to provide precise optical measurement and surface analysis capabilities. Optical parameters, working distance, magnification, and mechanical dimensions can be customized according to system requirements. Product Model: VY-DO50/0.22 Effective Focal Length: 49.9 mm Object-Side Numerical Aperture: NA 0.22 Image-Side Numerical Aperture: NA 0.145 Transverse Magnification: -1.54x (Inverted Image) Operating Wavelength Range: 400-700 nm (Visible Spectrum) Product Model: VY-DO50/0.22 Spectral Confocal Dispersive Objective People Also Ask What is a chromatic confocal lens used for?It is commonly used for precise distance measurement, surface profiling, dimensional inspection, and non-contact optical measurement.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Operating Band | 400 nmto700nm(visible light range) |
| Effective Focal Length | 49.9 mm |
| Transverse Magnification [inverted image] | -1.54*(invertedimage) |
| Object-Side Numerical Aperture | 0.22 |
| Image-Side Numerical Aperture | 0.145 |
| Operating Mode | On-axisoperation,compatiblewithpoint-scanninginspection systems |
| Object-Side Working Distance [Typical value] | Typicalvalue:90mm |
| Minimum Resolvable Detail [400nm wavelength, Rayleigh criterion] | ≤1.2μm(400nmwavelength,Rayleighcriterion) |
| Axial Distortion | <0.1%,negligible |
| Flat-field Performance | On-axisflat-fieldimaging,flatimageplane |
| Confocal Spot and Resolution Performance [on-axis；wavelength 400 nm] | The on-axis image spot of this objective is close to the diffraction limit, with high energy concentration; at a wavelength of 400 nm, the resolution on the object side is better than 1.2 μm, enabling clear identification of minute features under examination and supporting micro- and nanoscale dimensional and thickness measurements |
| MTF and Imaging Contrast [on-axis central region；spatial frequency 100 lp/mm] | In the on-axis central region at a spatial frequency of 100 lp/mm, the MTF is greater than 0.4, ensuring excellent imaging contrast. This guarantees the intensity and stability of spectral confocal signals and minimizes fluctuations in measurement data. |
| Stray Light Control | Optical lenses are coated with broadband anti-reflective coatings, and the inner walls of the lens barrel undergo a blackening and anti-glare treatment. This effectively suppresses stray light and surface reflection glare, improving the system’s signal-to-noise ratio and making it suitable for low-contrast, low-reflectance samples. |
| Flat-Field Uniformity | The on-axis imaging plane is flat, and image quality is uniform across the entire aperture, ensuring stable signal intensity during point scanning with no significant edge energy attenuation. |
Applications
Key Features
Datasheet
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