Machine vision filters are bandpass filters which are designed for imaging recognition fields, such as face recognition, car plate recognition, multi-touch panel etc.
The typical center wavelengths are 850nm, 940nm, 808nm, 650nm etc. To suit for wide angular acceptance, the filters are designed for installing between the lenses and CCD/CMOS sensor. So, a thin thickness of the filter is required to avoid defocussing seriously when the filter is introduced. The blocking level is less than 0.5% over 400-1100nm, which is the resposing range of CCD or CMOS chips.
Center wavelength tolerance:+/-5nm
Transmission:>85% in passing band
Blocking:T<0.5%(OD3~OD5 available upon request) over 400-1100nm
Thickness of substrate: 0.3mm-2.2mm
Product Specification / Models
Application / Models
machine vision, face recognition, car plate recognition, multi-touch panel
Mega-9 is a leading technology manufacturer of advanced narrow bandpass filters and beamsplitter cubes as well as other optical coatings.
Founded in 2006, Mega-9 has developed its own technology in fabricating narrow bandpass filters and various beamsplitters. The center wavelength for bandpass filters
varies from 250nm to 1100nm, and the bandwidth varies from 10nm to 50nm according to customer’s requirement. The blocking level of OD6 can be achieved and
The application for the filters of Mega-9 includes security monitoring, face recognition,
liscence plate recognition, photorejuvenation, large screen multi-touch panel,
biochemical analysis, distance measurement and other optical instrumentation.
Mega-9 has thousands of coating components in stock for customer’s selection. For all stocked filters or beamsplitters, free sample application is available upon request.