B+W 105 mm Infrared Dark Red 092 Glass Filter

B+W 105 mm Infrared Dark Red 092 (89B) Glass Filter

B+W 105 mm Infrared Dark Red 092 (89B) Glass Filter

B&H # BW092105 MFR # 72367
B+W 105 mm Infrared Dark Red 092 Glass Filter

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Discontinued

This item is noncancelable and nonreturnable

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  • 1Description

The nearly opaque B&W 105 mm Dark Red Infrared (092 = 89B) Filter, which looks dark purplish-red when held in front of a light source, blocks visible light up to 650 nm, and passes only 50% of the radiation just below 700 nm (thus the dark red color).

From 730 nm to 2000 nm, transmission is greater than 90%; This makes photographs of pure red and infrared images possible with the best utilization of the relatively low sensitivity of infrared films
As the sensitization of infrared black and white films barely extends beyond 1000 nm, the red portion that is transmitted still makes a relevant contribution to the exposure; That is why this filter is the preferred filter for pictorial photography on IR black and white film
In the Box
B+W 105 mm Infrared Dark Red 092 (89B) Glass Filter
  • Ten-Year Warranty
  • Table of Contents
    • 1Description
    Type Infrared
    Size 105 mm
    Grade 092 = 89B
    Filter Factor 20-40 depending on sensitivity of film
    Multi-Coated No
    Rotating No
    Effect Blocks visible light up to 650 nm
    Application Infrared photography
    Color Temperature Not specified
    Construction Schott Glass
    Front Filter Thread Size 105 mm
    Front Lens Cap Size Not applicable
    Packaging Info
    Package Weight 0.32 lb
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