Location: Colorado
The Haida V-Pro Series 4x5.65 IR ND 0.6 filter darkens the entire image, without affecting the overall coloration. This filter has been optimized for use with digital sensors and to promote nearly flat attenuation of visible and infrared light.
Haida V-Pro Series Filters are 4mm thick glass cinema filters that filter out Infra-Red Light Pollution, and feature a high quality dual sided Nano Multicoating that is both scratch and water proof.
The Haida V-Pro Series filters have been designed to reduce reflections, while retaining excellent color rendition with no loss of sharpness.
Haida V-Pro Series Filters are made from 4mm thick optical glass, ship in a protective hard case, and are designed for use with most Matte Boxes.
Price new $239
https://imgur.com/a/MsZCwNb
Price: $110 each, $300 for the set