Ilford Delta is a series of
photographic film
Photographic film is a strip or sheet of transparent film base coated on one side with a gelatin photographic emulsion, emulsion containing microscopically small light-sensitive silver halide crystals. The sizes and other characteristics of the ...
s manufactured by
Harman Technology Limited. Delta films are
tabular-grain black-and-white
Black-and-white (B&W or B/W) images combine black and white to produce a range of achromatic brightnesses of grey. It is also known as greyscale in technical settings.
Media
The history of various visual media began with black and white, ...
films, and originally released in 400 ISO only to compete with Kodak's T-Max film.
Ilford recommends Delta 100 and 400 as replacements for the discontinued
Agfa
Agfa-Gevaert N.V. (Agfa) is a Belgian-German multinational corporation that develops, manufactures, and distributes Analog photography, analogue and digital imaging products, software, and systems.
The company began as a dye manufacturer in 1867 ...
APX100 and APX400 films, respectively. Delta 100 can be used at ISO speeds of 50 to 200.
Delta 3200
The 'Delta 3200' product is not actually rated at ISO 3200/36°. Its speed is only 1000/31° following the ISO methods, but it has a very wide exposure latitude. Thus it can be successfully
push processed to
EI 3200 or 6400, or even 12500.
Delta 3200 was introduced in 1998, 10 years after
Kodak
The Eastman Kodak Company, referred to simply as Kodak (), is an American public company that produces various products related to its historic basis in film photography. The company is headquartered in Rochester, New York, and is incorporated i ...
's similar
T-MAX P3200. It replaced Ilford's high speed 'HPS' film.
Delta 400
Delta 400 can also be pushed to EI 3200.
References
External links
Ilford Delta 100{{Webarchive, url=https://web.archive.org/web/20070927031229/http://www.ilfordphoto.com/products/product.asp?n=8 , date=2007-09-27
Ilford Delta 400Ilford Delta 3200
Photographic films