Ir filter digital camera : Lisle oil filter wrench : 50 mhz low pass filter.
Ir Filter Digital Camera
A camera that records and stores digital images
a camera that encodes an image digitally and store it for later reproduction
A digital camera (also digicam or camera for short) is a camera that takes video or still photographs, or both, digitally by recording images via an electronic image sensor.
(Digital cameras) Means to capture and input still images without film.
Infrared cut-off filters, sometimes called IR filters or heat-absorbing filters, are designed to reflect or block mid-infrared wavelengths while passing visible light.