Foto4easy 43mm Infared Filter,Adjustable 530nm to 750nm Infrared X-Ray IR Filter for DSLR Camera Lens
- ...ras are usually equipped with IR-blocking filters to prevent unnatural-looking images. IR-transmitting (passing) filters, or removal of factory IR-blocking filters, are commonly used in infrared photography to pass infrared light and block visible and ultraviolet light. Such filters appear black to the eye, but are transparent when viewed with an IR sensitive device..