Recommended
Machine Vision Filters

COLOR BANDPASS
Bandpass filters shield imaging systems from unwanted light, enhance contrast for viewing of desired features and help correct for chromatic aberrations. The wavelengths and ranges indicated are the 50% points of each filter curve cut-on, cut-off or both. See the individual pages for full specifications and details.

BP470 – Blue Bandpass ... 420-500nm
• Enhances blue lighting and fluorescence
• Passes only blue light sources / UV-excited blue fluorescence without autofluorescing itself
• Tests the effects of blue lighting on an application
• Improves resolution by focusing only blue wavelengths

BP505 – Green-Blue Bandpass ... 470-570nm
• Enhances cyan lighting and fluorescence
• Passes only blue light sources / UV-excited cyan fluorescence
• Tests the effects of cyan lighting on an application
• Improves resolution by focusing only on cyan wavelengths

BP525 – Light Green Bandpass ... 490-570nm
• Enhances green lighting and fluorescence
• Passes only green light sources / UV-excited green fluorescence
• Tests the effects of green lighting on an application
• Improves resolution by focusing only green wavelengths

BP590 – Orange Bandpass ... 550-620nm
• Enhances amber/orange lighting and fluorescence
• Passes only amber light sources / UV-excited amber or orange fluorescence
• Tests the effects of amber lighting on an application
• Improves resolution by focusing only on amber/orange

BP635 – Light Red Bandpass ... 590-670nm
• Enhances light red lighting and fluorescence
• Passes only light red light sources / red fluorescence
• Tests the effects of light red lighting on an application
• Improves resolution by focusing only light red wavelengths

BP660 – Dark Red Bandpass ... 630-690nm
• Enhances dark red lighting and fluorescence
• Passes only dark red light sources / dark red fluorescence
• Tests the effects of dark red lighting on an application
• Improves resolution by focusing only dark red wavelengths

LP780 – IR Longpass ... 780nm
• Blocks all UV+visible to enhance IR lighting/viewing
• Commonly used with Xenon strobe lighting

LP920 – IR Dichroic Longpass ... 920nm
• Blocks all UV+visible+some IR to enhance IR lighting/viewing
• Commonly used in darkroom and covert IR applications
• Shields the system from all unwanted visible light

BP695 – IR Bandpass ... 665-730nm
• Enhances IR lighting / fluorescence

BP735 – IR Bandpass ... 695-785nm
• Enhances IR lighting / fluorescence

BP850 – IR Bandpass ... 800-1000nm
• Passes 850 and 880nm IR LED illumination while blocking the visible
• Tests the effects of IR lighting on an application
• Shields the system from unwanted light
• Improves resolution by focusing only on IR light (for chromatic aberration correction)

BP880 – IR Bandpass ... 830-1000nm
• Passes only 880nm IR LED illumination while blocking the visible
• Tests the effects of dark IR lighting on an application
• Shields the system from unwanted light
• Improves resolution by focusing only on IR light (for chromatic aberration correction)

INFRARED BLOCK - VISIBLE PASS

BP550 – NIR/UV Blocking/Pass ... 400-700nm
• Block UV and IR
• Passes all visible wavelengths

SP645 – Mid-Red/NIR Dichrioc Blocking ... 645nm
• Exceptional IR blocking
• Block red/IR from interfering with color rendition in color cameras

SP675 – Deep Red/NIR Dichrioc Blocking ... 675nm
• Exceptional IR/deep red blocking
• Block some red/IR from interfering with color rendition in CCD/CMOS
• Commonly placed over image sensor
• Reduces IR "camera bloom" from hot metal or glass

SP700 – Hot Mirror/NIR Dichroic Blocking ... 700nm
• Standard IR blocking for monochrome cameras
• Commonly placed over image sensor
• Reduces IR "camera bloom" from hot metal or glass

SP730 – Hot Mirror/NIR Colorless Blocking ... 730nm
• Standard IR blocking for color cameras
• Commonly placed over image sensor
• Reduces IR "camera bloom" from hot metal or glass

POLARIZING

PR032 – Rotating Linear Polarizer ... 400-700nm

PC052 – Circular Polarizer ... 400-700nm

PI035 – IR Linear Polarizer ... 790-1100nm

PSxxx – Polarizing Sheet Material

Visible and IR Polarizing Sheets are available in a range of sizes and thicknesses to control glare and unwanted reflections by mounting over your system's lighting. Call us with your specific needs.

ND030 – OD =0.3 (50% visible transmission) ... 400-700nm
• Reduces light intensity
• Reduces depth of field while maintaining same shutter speed

ND060 – OD = 0.6 (25% visible transmission) ... 400-700nm
• Reduces light intensity
• Reduces depth of field while maintaining same shutter speed

ND090 – OD = 0.9 (12.5% visible transmission) ... 400-700nm
• Reduces light intensity
• Reduces depth of field while maintaining same shutter speed

ND120 – OD = 1.2 (6.25% visible transmission) ... 400-700nm
• Reduces light intensity
• Reduces depth of field while maintaining same shutter speed
• Commonly used when the camera must be aimed directly into bright lighting

PROTECTIVE - UV BLOCKING

AC380 – Anti-Reflection and Scratch-Resistant Coated Acrylic ... 380nm
• For FDA applications when no glass over the inspection area is a requirement
• Blocks most UV light

LP340 – Anti-Reflection Coated ... 400-700nm
• A/R coating provides higher transmission over visible wavelengths

COLOR LIGHT BALANCING

LA120 – Minus Blue + ... 400-700nm
• Remove blue cast from white LED and metal halide lighting
• Attenuates part of the blue "spike", creating a more natural white
• Allows the use of lower cost, higher output, longer life standard white LED lighting v/s higher color temperature white LED lighting