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The B+W 35.5mm IR Dark Red (092M) Filter is used for infrared photography with digital cameras and specialized infrared films. This nearly opaque filter blocks all visible light up to 650nm, lets 50% of radiation pass between 650 and 700nm, and more than 90% of radiation pass between 730 and 2000nm. Infrared film sensitivity is rarely greater than 1000nm, so this filter essentially allows most perceivable infrared radiation to be transmitted. Due to the nature of infrared photography, the filter factor for this filter is highly variable and depends largely on your film sensitivity and lighting conditions.
The Multi-Resistant Coating (MRC) is both an anti-reflection coating as well as a protective surface. It helps to increase light transmission by reducing reflections, scattered light, and ghosting. Additionally, it offers greater protection to the filter substrate and stays cleaner for longer than uncoated filters.
B+W filters are constructed from high quality Schott glass for increased optical clarity and color fidelity. They feature a brass filter ring for durability as well as jamming prevention.
Used for infrared photography applications with digital cameras and specialized IR films.
Blocks all visible light up to 650nm while allowing 90% radiation transmission between 730-2000nm.
Variable filter factor depending on your film sensitivity and lighting conditions.
Multi-Resistant Coating offers both protection to the glass and helps to improve light transmission and image quality.
Constructed from high quality Schott glass for optical clarity.
Brass filter ring helps to prevent jamming and provides additional strength.
In the Box
B+W 35.5mm IR Dark Red (092M) MRC Filter
Limited 10-Year Warranty
Table of Contents
092 (equivalent to 89B)
Variable (depending on film sensitivity and lighting conditions)