Q1: What are optical filters used for in machine vision?
Optical filters selectively transmit or block specific wavelengths to help improve image contrast, suppress unwanted light, and isolate spectral features in industrial imaging applications.
Q2: What is the difference between bandpass, longpass, and shortpass filters?
Bandpass filters transmit a selected wavelength band. Longpass filters transmit wavelengths above a specified cut-on wavelength, while shortpass filters transmit wavelengths below a specified cut-off wavelength.
Q3: Can VT-TC3 optical filters be used for UV and NIR imaging?
The VT-TC3 Series includes filter options for UV, visible, and infrared imaging. The appropriate model should be selected according to the required wavelength and optical specifications.
Q4: How do I select the right optical filter for my industrial camera?
Consider the target wavelength, filter type, transmission characteristics, lens mounting dimensions, light source, and camera spectral sensitivity before selecting a filter.
Q5: What is FWHM in a bandpass optical filter?
Full Width at Half Maximum (FWHM) describes the bandwidth between the two wavelengths where transmission reaches 50% of its peak value. It is an important specification when selecting a bandpass filter.
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Description
Product Description
VT-TC3 Machine Vision Optical Filters
The VT-TC3 Series Optical Filters are designed for industrial machine vision and precision imaging applications. By selectively transmitting or blocking specific wavelengths, these filters help improve image contrast, isolate target spectral features, and reduce unwanted light interference.
Available in Bandpass, Longpass, and Shortpass configurations, the series supports a wide range of UV, visible, and infrared imaging requirements.
Key Features
- Selective Wavelength Transmission: Isolates target spectral bands for precise imaging.
- Multiple Filter Types: Bandpass, Longpass, and Shortpass options.
- UV, Visible & IR Options: Suitable for different imaging wavelengths.
- Improved Image Contrast: Helps suppress unwanted spectral interference.
- Spectral Performance: Designed for controlled wavelength transmission.
- Dust Protection: Helps protect optical components from dust exposure.
Applications
Machine Vision Inspection | Automated Optical Inspection (AOI) | UV Imaging | NIR Imaging | Surface Defect Detection | Industrial Image Processing
Specifications
|
Type |
Model |
Wavelength |
Lens Mount Size |
|---|---|---|---|
|
Bandpass |
VT-TC3-630BP30-2505 |
630nm |
25x0.5mm |
|
Bandpass |
VT-TC3-638BP10/20-30505 |
638nm |
30.5x0.5mm |
|
Bandpass |
VT-TC3-700BP160-35505 |
700nm |
35.5x0.5mm |
|
Bandpass |
VT-TC3-660BP40-37075 |
660nm |
37x0.75mm |
|
Bandpass |
VT-TC3-700BP40-30505 |
700nm |
30.5x0.5mm |
|
Bandpass |
VT-TC3-815BP20-3705 |
815nm |
37x0.5mm |
|
Bandpass |
VT-TC3-850BP40-3405 |
850nm |
34x0.5mm |
|
Bandpass |
VT-TC3-953BP20-3705 |
953nm |
37x0.5mm |
|
Bandpass |
VT-TC3-1064BP40-2505 |
1064nm |
25x0.5mm |
|
Bandpass |
VT-TC3-1200BP-3705 |
1200nm |
37x0.5mm |
|
Bandpass |
VT-TC3-1450BP60-3705 |
1450nm |
37x0.5mm |
|
Shortpass |
VT-TC3-700SP-3705 |
700nm |
37x0.5mm |
|
Shortpass |
VT-TC3-900SP-3705 |
900nm |
37x0.5mm |
|
Shortpass |
VT-TC3-700SP-52075 |
700nm |
52x0.75mm |
|
Longpass |
VT-TC3-600LP-3005 |
600nm |
30x0.5mm |
|
Longpass |
VT-TC3-800LP-3005 |
800nm |
30x0.5mm |
|
Longpass |
VT-TC3-400LP-3705 |
400nm |
37x0.5mm |
|
Longpass |
VT-TC3-850LP-3705 |
850nm |
37x0.5mm |
|
Longpass |
VT-TC3-1200LP-3705 |
1200nm |
37x0.5mm |
|
Longpass |
VT-TC3-525LP-6007 |
525nm |
60x0.7mm |
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