The Sigma EX DG filter series
are very thin to avoid any vignetting when used with wide angle lenses and
feature high quality multi-layer lens coating in order to protect the image
sensor and reduce a ghost effect. Additionally, an optimum neutral colour
balance is ensured, increasing the white balance accuracy of the digital camera.
The Sigma multi-coated protective
UV filters can be used with both colour and
black-and-white film and digital sensors to eliminate the harmful effect of
ultraviolet light. They also serve as an extra permanent protection of your
equipment for all types of photography. While the Sigma
filter series deepen the intensity of blue skies and increases colour
saturation, eliminate glare and reduces the reflection. The Sigma EX DG
filters are a perfect match to accompany Sigma lenses.