B + W 67 Infrared 092 (89b/rg695)

About this item

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.