
B+W
B+W 65-072331 77mm Infrared Filter #092 (89B)
Unlock surreal, dreamlike landscapes by blocking visible light and letting only infrared wavelengths reach your sensor.
$123.62*$225.36Save 45%
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Overview
Key Features
The Package Length of the Product is 9.4 centimeters
The Package Width of the Product is 9.4 centimeters
The Package Height of the Product is 2.2 centimeters
Country of Origin: GERMANY
Specifications
Filter Type
Infrared (IR) #092 (89B)
Thread Size
77mm
Filter Factor
20–40x (varies by illumination and sensor)
Spectral Transmission
Blocks visible light up to ~650nm; 50% transmission below 700nm; >90% from 730–2000nm
Material
High-quality glass
Country of Origin
Germany
Package Dimensions
9.4 x 9.4 x 2.2 cm
Frequently Asked Questions
Will this filter work with my digital camera, or is it only for film?
It works with both, but results vary. Most digital sensors have an IR-blocking filter built in, which reduces the effect. Cameras that have been converted for infrared (with the internal IR-cut filter removed) will produce the strongest results. Unconverted cameras require very long exposures, often 30 seconds or more.
Can I see through the viewfinder with this filter attached?
No. The #092 filter is nearly opaque to visible light, so your optical viewfinder will go dark. You need to compose and focus before mounting the filter, or use live view on cameras that offer it. A tripod is essential.
What kind of look does the #092 produce compared to lighter IR filters?
The #092 (89B) is a deep infrared filter that blocks visible light up to roughly 650nm and transmits strongly above 730nm. This produces the classic infrared look — bright white foliage, dark skies, and an ethereal quality. Lighter IR filters like the #87 allow some visible light through, resulting in more subtle, reddish tones.
Do I need to compensate exposure when using this filter?
Yes, significantly. The filter factor is 20 to 40x depending on your light source and sensor sensitivity, which translates to roughly 4.5 to 5.5 stops of compensation. Shooting in manual mode or using exposure compensation is necessary.
What thread size is this, and can I use step-up rings?
This is a 77mm thread filter. You can absolutely use step-up rings to mount it on smaller diameter lenses, which makes 77mm a practical choice since it covers most lenses in a typical kit.