Infrared films
Infrared film is a photographic film that is sensitized to the near infrared range of the electromagnetic spectrum, corresponding to the range between 700 and 900 nm Reversal film (slide) or color negative film are offered. Well-known representatives were the Kodak Professional High-Speed Infrared Film HIE 135-36 as b / w film and the Kodak Ektachrome Infrared EIR film.
These films were used in artistic photography, along with industrial and scientific applications.
All infrared films must be processed in complete darkness; this also applies to inserting the film into the camera! There are many in-depth reports on infrared photography available on the web, then and now. If you are interested, popular search engines will help!
At the moment (as of 10/2020) the following black and white infrared film is easily available:
Rollei Infrared
Nominal and spectrally highly sensitive hyperpanchromatic black and white film up to the infrared range, wavelength up to 820nm, ISO 200/24 ° to 400/27 °. Rollei Infrared is a hyperpanchromatic black and white film with a nominal sensitivity of ISO 200/24 ° - 400/27 °. The 7.5 mµ thin layer - silver-rich - hyperpanchromatic emulsion is cast on a modern, crystal-clear polyester carrier of 100 mµ. This film is characterized by its high resolution with the finest grain and high edge sharpness. The Rollei Infrared can be used for normal recordings as well as in the infrared range. It reacts very strongly to the respective recording filter up to and including the infrared effect. To achieve the special infrared Wood effect, we recommend infrared filters 695 (89B) and 715 (88A).
There are also some films with an extended red sensitivity range below 780nm, which can also be purchased without any problems (as of 10/2020).
Ilford SFX 200 - up to 740nm (ISO 200/24 °)
Rollei Superpan 200 - up to 750nm (ISO 200/24 °)
This film is based on aerial film technology. Super panchromatic awareness. This means that infrared recordings are also possible. However, the IR effect is only clearly visible with an IR filter that blocks visible light below 715 nanometers (e.g. Heliopan RG 715).
Rollei Retro 80S - up to 750nm (ISO 100/21 °)
Rollei Retro 400S - up to 730nm (ISO 400/27 °)