SFX is a

black-and-white Black-and-white (B&W or B/W) images combine black and white in a continuous spectrum, producing a range of shades of grey. Media The history of various visual media began with black and white, and as technology improved, altered to color. ...

film from

Ilford Photo Harman Technology, trading as Ilford Photo, is a UK-based manufacturer of photographic materials known worldwide for its ILFORD branded black-and-white film, papers and chemicals. Historically it also published the '' Ilford Manual of Photograp ...

with extended sensitivity into the

near-infrared Infrared (IR), sometimes called infrared light, is electromagnetic radiation (EMR) with wavelengths longer than those of Light, visible light. It is therefore invisible to the human eye. IR is generally understood to encompass wavelengths from ...

at 740 nm. It can be used as a

panchromatic Panchromatic emulsion is a type of black-and-white photographic emulsion that is sensitive to all wavelengths of visible light. Description A panchromatic emulsion renders a realistic reproduction of a scene as it appears to the human eye, altho ...

film on its own, or with different red/

infrared filter Infrared cut-off filters, sometimes called IR filters or heat-absorbing filters, are designed to reflect or block near-infrared wavelengths while passing visible light. They are often used in devices with bright incandescent light bulbs (such as ...

s to give varying levels of the effect seen in

infrared photography ''Top:'' tree photographed in the near infrared range. ''Bottom:'' same tree in the visible part of the spectrum. In infrared photography, the film or image sensor used is sensitive to infrared light. The part of the spectrum used is r ...

; i.e. dark skies and bright plant

foliage A leaf ( : leaves) is any of the principal appendages of a vascular plant stem, usually borne laterally aboveground and specialized for photosynthesis. Leaves are collectively called foliage, as in "autumn foliage", while the leaves, ste ...

. Ilford makes a 'deep red' filter specifically for this film, but others can be used as well. SFX was discontinued when Ilford went into

receivership In law, receivership is a situation in which an institution or enterprise is held by a receiver—a person "placed in the custodial responsibility for the property of others, including tangible and intangible assets and rights"—especially in ca ...

in 2004 as it is a

niche product A niche market is the subset of the market on which a specific product is focused. The market niche defines the product features aimed at satisfying specific market needs, as well as the price range, production quality and the demographics that it ...

. On 26 January 2007, Ilford announced it would relaunch the film and it was relaunched in March 2007. The film will be produced on what Ilford calls a 'manufacture on demand' (MOD) basis because of its low demand. With this relaunch, the Ilford product line-up is restored to its pre-receivership state.

References

External links

Ilford SFX 200
Photographic films {{photography-stub