Hoya R72 Infrared Filter for Canon Powershot SX20 IS

The Hoya 67mm R72 Infrared Filter is fundamentally a conventional screw on filter which you can use on just about any lens that prevents all visible light to get through.

This Hoya 67mm infrared filter that is virtually opaque has been frequently employed by inspiring film photographers in line with specific infrared film, these days digital camera users are discovering it a creative method of acquiring imaginative black and white images.

Infrared light is not really visible to the human eye. Even so, digital camera sensors can see the full spectrum. The reason we are not able to see infrared light inside our photographs is a result of the digital camera companies put filters on the sensors, which completely or to some extent hinder infrared light from contaminating the image.

Product features:

• Used for infrared photography purposes with digital cameras and specialized IR film.
• Obstructs all visible light up to 720nm for photographing subjects and aspects which are not generally visible.
• Variable filter factor depending on ISO level of sensitivity and lighting conditions.
• Can be combined with colored black and white contrast filters to modify the coloured or contrast effects with this filter.