AgfaPhoto Vista 100, 135-36 611360 Manuel D’Utilisation
Codes de produits
611360
3
Daylight
Daylight is not just daylight. In the morning and in late after-
noon the sun is at an angle. As a result, the light is warmer and
contains more red. At noon, on the other hand, when the sun is
shining vertically, the light is colder and contains more blue.
This quality of the light, which is known as the colour tempera-
ture, is measured in Kelvin.
All AgfaPhoto films are suitable for use in medium daylight, at
a colour temperature of 5500 Kelvin. If the light is too cold, it
can be adjusted with a red filter (e.g. R 1.5 or R 3), and if it is
too warm, with a blue filter (e.g. B 1.5 or B 3). These corrections
should only be used with slide films.
noon the sun is at an angle. As a result, the light is warmer and
contains more red. At noon, on the other hand, when the sun is
shining vertically, the light is colder and contains more blue.
This quality of the light, which is known as the colour tempera-
ture, is measured in Kelvin.
All AgfaPhoto films are suitable for use in medium daylight, at
a colour temperature of 5500 Kelvin. If the light is too cold, it
can be adjusted with a red filter (e.g. R 1.5 or R 3), and if it is
too warm, with a blue filter (e.g. B 1.5 or B 3). These corrections
should only be used with slide films.
Flash
Electronic flash-guns and flash bulbs are suitable for medium
daylight. The guide number of the flash depends on the film
speed.
Tip: if a subject is dark or far away, you can achieve better flash
photos by stopping up one step.
daylight. The guide number of the flash depends on the film
speed.
Tip: if a subject is dark or far away, you can achieve better flash
photos by stopping up one step.
Artificial light
Artificial light, i.e. light from sources such as photographic
lamps, electric bulbs or fluorescent tubes, has its own charac-
teristics. Photographic lamps have a colour temperature of 3400
K, electric bulbs 3200 K.
AgfaPhoto negative films and AgfaPhoto slide films are ideal for
artificial light. For best results a certain type of filter is required,
depending on the light source. However as each filter reduces
the intensity of the light, this must be compensated as follows.
lamps, electric bulbs or fluorescent tubes, has its own charac-
teristics. Photographic lamps have a colour temperature of 3400
K, electric bulbs 3200 K.
AgfaPhoto negative films and AgfaPhoto slide films are ideal for
artificial light. For best results a certain type of filter is required,
depending on the light source. However as each filter reduces
the intensity of the light, this must be compensated as follows.
UV blocking filters
Each AgfaPhoto film contains an integrated UV protection filter
which absorbs any invisible UV radiation contained in daylight. It
is therefore not necessary to use a UV blocking filter, though it
is useful for a physical protection of the lens.
which absorbs any invisible UV radiation contained in daylight. It
is therefore not necessary to use a UV blocking filter, though it
is useful for a physical protection of the lens.
Polarizing filters
This type of filter is used either for the reduction of reflections,
e.g. on glass and water (though not metal), or for the production
of certain effects (e.g. a more intensive blue sky). Depending on
the filter type, the exposure time needs to be increased by a
certain factor (see the instructions for your camera or filter).
e.g. on glass and water (though not metal), or for the production
of certain effects (e.g. a more intensive blue sky). Depending on
the filter type, the exposure time needs to be increased by a
certain factor (see the instructions for your camera or filter).
Colour filters
Colour filters are intended for black-and-white photography.
They are not suitable for colour, as they produce considerable
colour shifts.
They are not suitable for colour, as they produce considerable
colour shifts.
Long and short-term effects
Extremely long or short exposure times can affect the speed
and colour balance of the film. This is known as the reciprocity
effect.
The reciprocity effect of AgfaPhoto films is excellent. If the
exposure time is within 1/10 000th and 10 second, the colours
and speed remain the same. However if the exposure is any
longer or shorter, then it may be necessary to make exposure
or colour adjustments.
and colour balance of the film. This is known as the reciprocity
effect.
The reciprocity effect of AgfaPhoto films is excellent. If the
exposure time is within 1/10 000th and 10 second, the colours
and speed remain the same. However if the exposure is any
longer or shorter, then it may be necessary to make exposure
or colour adjustments.
X-ray checks
X-ray checks, which are inevitable before a flight, can someti-
mes cause problems. We have found that if an X-ray machine
is marked “Film Safe” and the checks do not exceed the usual
number, then they do not normally affect a film. Nonetheless
films should never be checked in with the normal luggage, but
kept with your hand luggage. Visual checks are always safer.
This applies in particular to high-speed films, because the
sensitivity of a film to X-rays is proportional to its sensitivity to
visible light.
mes cause problems. We have found that if an X-ray machine
is marked “Film Safe” and the checks do not exceed the usual
number, then they do not normally affect a film. Nonetheless
films should never be checked in with the normal luggage, but
kept with your hand luggage. Visual checks are always safer.
This applies in particular to high-speed films, because the
sensitivity of a film to X-rays is proportional to its sensitivity to
visible light.
Storage
Remember never to store films under moist or humid conditions.
Neither should films be exposed to heat.
Unexposed films: The cooler an unexposed film is stored, the
longer it will last. Furthermore, we recommend keeping the film
in the original pack, which is moisture-proof (i.e. water-tight), so
that the photographic qualities remain stable. Films that have
been stored in a refrigerator should be kept at room temperatu-
re for about two hours before use, as the atmospheric humidity
might otherwise produce condensation on the cold film. A car
glove compartment is not suitable for storing films. If the sun is
hot, they can easily develop temperatures of up to 80°C/175°F.
Fumes, such as formaldehyde, can also be harmful. They are
released by furniture, cosmetics, adhesives and varnish.
The camera itself only provides inadequate protection. Instead,
put your camera in a polyethylene bag if necessary.
Exposed films: Once exposed, a film should be developed as
soon as possible. The “latent” image (i.e. the pre-development
exposure) may otherwise deteriorate as a result of long-term
storage or unfavourable weather conditions, and this disturbs
the colour balance.
Developed films: The same safety precautions apply to develo-
ped films, i.e. they must be kept in a cool and dry place and pro-
tected from harmful fumes and direct light.
Neither should films be exposed to heat.
Unexposed films: The cooler an unexposed film is stored, the
longer it will last. Furthermore, we recommend keeping the film
in the original pack, which is moisture-proof (i.e. water-tight), so
that the photographic qualities remain stable. Films that have
been stored in a refrigerator should be kept at room temperatu-
re for about two hours before use, as the atmospheric humidity
might otherwise produce condensation on the cold film. A car
glove compartment is not suitable for storing films. If the sun is
hot, they can easily develop temperatures of up to 80°C/175°F.
Fumes, such as formaldehyde, can also be harmful. They are
released by furniture, cosmetics, adhesives and varnish.
The camera itself only provides inadequate protection. Instead,
put your camera in a polyethylene bag if necessary.
Exposed films: Once exposed, a film should be developed as
soon as possible. The “latent” image (i.e. the pre-development
exposure) may otherwise deteriorate as a result of long-term
storage or unfavourable weather conditions, and this disturbs
the colour balance.
Developed films: The same safety precautions apply to develo-
ped films, i.e. they must be kept in a cool and dry place and pro-
tected from harmful fumes and direct light.
Type of lamp
Filter
Adjustment
Photographic lamp 80 B
+ 1 2/3 f-stops
Electric bulbs
80 A
+ 2 f-stops
Agfa Photo Broschüre_14-6 engl 11.01.2008 18:38 Uhr Seite 3