Polaroid Optics 77mm Infrared Filter [X-Ray Effect] – IR720 Removes Most Visible Light Below & Above 720nm Wavelength- Compatible w/ All Popular Camera Lens Models
The Polaroid IR720 77 mm Infrared X-Ray Filter is so named because it will filter out most light below and above the wavelength of 720 nanometers (near infrared). The filter blocks most visible light and is therefore very opaque. In addition, a camera's a