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55mm Infrared Dark Red 092 Glass Filter
  • Slim
  •  • Brass Filter Ring for Added Durability

Mfr # • B&H BW092S55

Our Price: $ 106.00
Availability: Usually ships in 6-10 weeks
Note! This is a special order item and is non-cancelable and non-returnable. Est. arrival at B&H is 6-10 weeks (subject to availability). You will be charged upon placing your order.
This Item Includes

• 

B&W Push-on Lens Cap

• 

Ten-Year Warranty

Required/Recommended Accessories
The item(s) listed below are recommended to enhance the use of the selected item above.

Filter pouch


Pearstone
Four Filter Pouch

9071840
B&H# PEFP4

Price: 9.89

Product Information

The B&W 55mm Infrared Dark Red (092 = 89B) Slim Filter is nearly opaque. It looks dark purplish/red when held in front of a light source and blocks visible light up to 650nm. It passes only 50% of the radiation just below 700nm (thus the dark red color).

B&W slim filters are for wide-angle lenses and are 3mm thick. They do not have a front thread.

Features

From 730 to 2000nm, 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

Specifications
Type
Infrared
Size
55mm
Grade
092 (equivalent to an 89B filter)
Filter Factor
20-40 depending on sensitivity of film
Multi-Coated
Not Applicable
Rotating
Not Applicable
Effect
Blocks visible light up to 650nm
Application
Infrared photography
Color Temperature
Not Specified by Manufacturer
Construction
Schott Glass
Front Filter Thread Size
Not Applicable
Front Lens Cap Size
Not Applicable