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Rollei Infrared 400 Black and White Negative Film (4 x 5", 25 Sheets)
Key Features
- IR-Sensitive Panchromatic B&W Neg. Film
- ISO 400/27° without Filtration
- 650-750nm Infrared Sensitivity Range
- Very Wide Exposure Latitude
Rollei Infrared 400 is a unique infrared-sensitized panchromatic black and white negative film with a nominal sensitivity of ISO 400/27° without filtration. It is sensitive to IR wavelengths within the range of 650-750nm and can be used to produce unique halation effects with filtration and by varying the exposure length. It is suitable for working in both daylight and tungsten conditions and is characterized by a fine grain structure, notable sharpness, and high resolving power. Additionally, a good contrast profile offers clear separation between shadow and highlight regions. The film's polyester base has been tested to an LE-500 (life expectancy of 500 years) archival rating and also features an anti-static coating. Additionally, this clear base is particularly well-suited to scanning applications.
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Do this have a notch for identifing the emulsion ...
Do this have a notch for identifing the emulsion side?
Rollei Infrared 400 Black and White Negative Film (4 x 5", 25 Sheets) does have a notch for identifying the emulsion side.
Date published: 2023-08-28
Will 4x5 IR film work in a pinhole camera?
Will 4x5 IR film work in a pinhole camera?
The Rollei Infrared 400 Black and White Negative Film (4 x 5", 25 Sheets) can be used in a pinhole camera.
Date published: 2023-06-19
question
Hi, does this film require any focus shift to account for IR instead of visible light?
IR film requires a focus adjustment - that is, after focusing using visible light, the focus ring is turned the distance between the white and red focus line/dot on the focus scale, because the focal point changes slightly in IR. That said, because the film is large format, it's a bit more difficult to gauge with bellows focusing.
Date published: 2018-08-27
question
What are the specific filter that one should use with this film?
Hello, if you want the most pronounced infrared effect with this film, I'd use the Kodak Wratten 87, however this will mean shooting a a very slow ISO speed due to the filter factor. An all around easier filter to use would be Hoya R72, which allows a bit more of the visible light spectrum reach the film.Rollei's Infrared film is sensitive up to 820nm. The Kodak-Wratten Filter would block everything below 795nm, and the Hoya R72 block all light below 720nm.Using Kodak-Wratten 87: I'd meter for ISO 16-25. Infrared light can be unpredictable, so bracketing shots would be advisable. Hoya's R72 blocks a little less light, so I'd shoot at ISO 25-50.If you meter for ISO 400, add 4-5 stops, otherwise meter at the lower ISO values. Something that helped me get more familiar with my filters was to shoot a less expensive 120 roll, and record what each shot was exposed at. That way I made almost no mistakes on the more expensive 4x5.Hope that helps, ...good luck!
Date published: 2024-05-07
question
Do yoh use a standard development process for this film?
Yes, I personally use HC-110.
Date published: 2018-08-27