Exposure range

For example, average Digital Video (DV) has a contrast ratio of 45:1, so its exposure range is roughly 5.5 stops.

[3] A graduated neutral density filter can be also used to improve the reproduction of the exposure range of the scene, by darkening bright parts of the image.

[4] A graduated filter will reduce the extreme highlights of an image, such as a clear, open sky as well as sunlight.

Often these filters are the square gelatin, polycarbonate, or glass type.

These can be mounted to the end of an SLR lens camera in the same fashion as a polarizing lens, UV filter, and various other screw-in type filters for SLR and DSLR cameras.

Three exposures of the same image at different exposure levels. Note that some details present in the darkest image are not present in the lightest image, and vice versa.