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The Formatt Series 9 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. The hot mirror filter effectively cuts out infrared wavelengths but does not interfere with visible red wavelengths. The coating is sandwiched between 2 layers of Schott glass in order to provide full protection and optical clarity.
This filter is compatible with the Series 9 filter adapter for use on a wide variety of lenses.
Hot mirror filtration incorporates a dielectric mirror in order to filter out infrared light pollution that is common when photographing with a digital camera in strong infrared situations.
Compatible with the Series 9 filter adapter.
Formatt filters combine high-quality Schott glass with specially formulated CR-39 resin in order to protect delicate coatings while still garnering the benefits of optical glass.
Table of Contents
For use with digital cameras when photographing in strong infrared situations
Hot mirror coated CR-39 resin sandwiched between 2 layers of Schott-Desag B270 glass