B + W 72mm Infrared Filter # 099 (12/OG550) Wide Angle Slim Mount Glass Filter.

B + W
SKU: BW72IR099W MFR: 65-098698

About B + W

B & W offers three filters for infrared photography, each with its' own unique features.

#092.
• This dark red filter is primarily for black and white infrared films.
•It filters out light below 650 nm.
• With color infrared film it produces pictures of a pure red image while making good use of the relatively low sensitivity of infrared films.
• Filter factor is approx. 20 - 40.

#093.
• This black infrared filter will filter out the entire visible spectrum.
• It is used with black and white infrared films with a sensitivity up to 1000nm.
• Filter factor is determined by the film sensitivity.


#099.
• This orange colored filter blocks the blue and blue-green portion of the visible spectrum up to 500 nm.
• It reduces the excessive sensitivity of color infrared films in this spectral range, separates colors more evenly thereby avoiding a blue tint.
• Filter factor depends upon the film's sensitivity.

B + W Features

  • Thin construction with ultra thin optical glass. Used to prevent vignetting with today's larger wide angle lenses.
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