4.5" Round Standard Hot Mirror Filter light balancing Because these filters do not

Because these filters do not have a sharp cutoff at the infrared wavelengths there has to be a compromise in order not to exclude visible red wavelengths

heavy-duty tripod dolly

bluish in color

Water Resistant

4.5" Round Standard Hot Mirror Filter light balancing Because these filters do notThe Tiffen 4. 5" Round Standard Hot Mirror Filter incorporates a dielectric mirror within the filter to combat infrared light pollution that becomes noticeable when making long exposures with a digital camera. This situation is also naturally prevalent when photographing near strong sources of infrared, such as fires and at sunset. Corrects Infrared Pollution For Use with Digital Cameras ColorCore Technology