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IR filter can be used for improving visibility through certain kinds of fog or haze. This property is particularly important for long-distance photography on the ground where the detail of distant objects is often obscured by haze. It is also useful for high altitude, and especially oblique photography from the air like when landing an airplane in a foggy airport.
This infrared filter will filter out 99% of light seen by the naked eye only allowing infrared light through so that technically the naked eye can see 100% black when the filter is in place.
950nm is suitable for outdoor and strong light use .
850nm is suitable for indoor and weak light use .
760nm is suitable when at dawn or under faint light .
Supplied with protective casing
Made from high quality glass
Brand new, boxed and unused
Filter thread size: 30mm
Made from high quality optical glass