Ilford 1574616 Manual Do Utilizador

 

 

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Sensitivity

 

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TECHNICAL INFORMATION

                                                                

 

 

 

 

 

 

 

ISO 400/27 BLACK AND WHITE PROFESSIONAL FILM

 

FOR HIGH PRINT QUALITY AND FLEXIBILITY IN USE

 

 

ILFORD HP5 Plus is a fast black and white film. It 

is ideal for action, available light and general 

purpose photography. HP5 Plus is compatible with 

all major processing systems, including those

 

which give the standard short fixing and washing 

times.

 

 

Although rated at ISO 400/27

o

, HP5 Plus can 

produce high quality prints when exposed at meter 

settings up to EI 3200/36 and given extended 

development in ILFORD ILFOTEC DD-X,

 

ILFOTEC HC, MICROPHEN or ILFOTEC RT RAPID

 

developers.

 

 

HP5 Plus 35mm film is coated on 0.125mm/5-mil 

acetate base and is available in 24 or 36 

exposure cassettes, or in bulk lengths of 17 and

 

30.5 metres (55 and 100ft). HP5 Plus 35mm film

 

is supplied in DX coded cassettes, suitable for all

 

35mm cameras.

 

 

HP5 Plus rollfilm is coated on 0.110mm/4-mil 

clear acetate base with an anti-halation backing 

which clears during development. It is available in

 

120 lengths and is edge numbered 1 to 19.

 

 

HP5 Plus sheet film is coated on 0.180mm/7-mil 

polyester base with an anti-halation backing which 

clears during development. It is available in a

 

wide range of standard sizes. The emulsion faces

 

the user when sheet film is held in the position

 

shown.

 

HP5 Plus has a speed rating of ISO 400/27

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(400ASA, 27DIN, EI 400/27) to daylight. The

 

ISO speed rating was measured using ILFORD 

ID-11 developer at 20

o

C/68

o

F with intermittent

 

agitation in a spiral tank.

 

 

Best results are obtained at EI 400/27, but good 

image quality will also be obtained at meter 

settings from EI 400/27 to EI 3200/36.

 

 

It should be noted that the exposure index (EI) 

range recommended for HP5 Plus is based on a 

practical evaluation of film speed and is not based 

on foot speed, as is the ISO standard.

 

 

Wavelength nm

 

 

HP5 Plus film may be used with all types of filters 

(eg colour, polarising and neutral density filters) in 

the usual way. Follow the instructions given by the 

filter manufacturer.

 

 

The exposure increase in daylight may vary with 

the angle of the sun and the time of day. In the

 

late afternoon or the winter months, when daylight 

contains more red light, green and blue filters may 

need slightly more exposure than usual.

 

 

Cameras with through-the-lens metering will usually 

adjust the exposure automatically when using

 

filters. With some automatic exposure cameras, the 

correction given for deep red and orange filters

 

can produce negatives under exposed by as much 

as 1

1/2 

stops.