Ilford 1649697 User Manual

 

 

 

FP4 Plus

 

Note Development times may need adjusting to 

suit individual processing systems and working 

practices. If an established system is producing 

good results, adjust the recommended

 

development times until the desired contrast level is 

obtained. Development times in other 

manufacturers’ developers are included for your 

convenience, and are only a general guide. Other 

manufacturers can and do change their product 

specifications from time to time, and the 

development times may change as a result.

 

 

 

If FP4 Plus has been inadvertently exposed at 

settings below EI 50/18 or above EI 200/24, the 

following guide will ensure usable negatives are 

obtained. Obviously, the quality of negatives 

processed in this way will not be so high as 

conventionally processed ones.

 

     

New development time (min)

 

 

 

ILFORD

 

developer

 

Dilution

 

Meter setting

EI

 

25/15

and

 

below

EI

400/27

and

 

above

 

   

MICROPHEN

 

 

stock

 

 

–

 

 

16

 

PERCEPTOL

 

stock

 

8

1/2

 

–

FP4 Plus film can be processed over a range of 

temperatures. Development at 20

o

C/68°F is 

recommended and the times are given in the

 

New development time (min)

 

development times table. If development is not

Note The chart can only be used as a guide 

because different developers and processing 

techniques can vary the results.

 

possible at 20

o

C/68°F, the following chart can be

used. The chart is based at 20

o

C/68°F for a 

general developer, and can be used to give an 

estimate of development times at temperatures 

around 20

o

C/68°F

 

For example, if 4 minutes at 20

o

C/68°F is

recommended, the time at 23

o

C/73°F will be 3

minutes and the time at 16

o

C/61°F will be 6 

minutes.

 

Relative log exposure

FP4 Plus rollfilm developed in ILFORD ILFOTEC HC 

(1+31) for 8 minutes at 20

o

C/68°F with 

intermittent agitation. This curve is also

 

representative of the 35mm and sheet film formats.

 

   

   

   

 

         

 

 

   

 

       

   

     

 

 

   

   

 

   

 

           

   

     

 

 

   

   

 

 

 

Density

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Te

mperature (

o

F)

 

 

 

 

 

 

 

 

 

 

   

   

 

 

 

   

   

 

 

 

   

   

 

 

 

Te

mperature (

o

C)

 

 

   

   

 

 

 

   

   

   

 

   

   

 

 

 

   

   

 

 

 

   

   

 

 

 

   

   

 

 

 

   

   

 

 

 

   

   

 

 

 

   

 

   

   

 

   

 

 

 

 

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