Midwest Optical BP660-25.5 Dark Red Bandpass Optical Filter Machine Vision

Midwest Optical BP660-25.5 Dark Red Bandpass Optical Filter

The Midwest Optical BP660-25.5 is a high-performance dark red bandpass filter designed to enhance machine vision applications by selectively transmitting light within the 640 to 680 nm wavelength range. This filter effectively blocks out-of-band wavelengths, improving image contrast and clarity when used with 660 nm LED and laser diode lighting.

Key Features

• Useful Range: 640 to 680 nm
• Full Width at Half Maximum (FWHM): 60 nm
• Tolerance: ±10 nm
• Minimum Peak Transmission: ≥90%
• Surface Quality: 40/20 scratch-dig
• Compatible LED: 660 nm

Applications

The BP660-25.5 filter is ideal for various machine vision applications, including:

• Factory automation
• Security and surveillance
• License plate recognition
• Medical and life sciences
• Agricultural inspection
• Aerial imaging
• Motion analysis
• Photography and cinematography

Technical Specifications

• Filter Size: M25.5 x 0.5
• Clear Aperture: 22.5 mm
• Overall Thickness: 7 mm
• Exposed Thickness: 5.2 mm

Constructed with durable, non-hygroscopic coatings, the BP660-25.5 filter withstands cleaning, heat, humidity, and vibration, ensuring long-term reliability in demanding environments.

For optimal performance, it is recommended to verify the wavelength of the red lighting used in your application before ordering.