Descriptions of Basic Daylight
Lighting Conditions
Bright or Hazy Sun,
Average Subjects
Bright or Hazy
Sun, on Light Sand or Snow
Weak, Hazy Sun
Cloudy Bright
Open Shade
Heavy Overcast
Bright Sunlight
Sidelighting and Backlighting
Reduced Lighting Contrast
Fill-In Flash
Reflectors
No Direct Sunlight
Sunsets
The lighting outdoors in the daytime is quite variable. Sometimes it's
brilliant sunlight that might be shining on the front, side, or back of
your subject. At other times it may be the shadowless light of an overcast
day or the dim light of a deep forest. Knowing how to make the most of
the various daylight lighting situations will mean better pictures for
you. Understanding outdoor lighting will make you aware of more interesting
picture possibilities and increase your creative abilities.
To become familiar with the nature of outdoor lighting, you should have
a clear impression of the basic daylight lighting conditions and the exposures
they require. Even though most 35mm cameras have built-in exposure meters,
you can use the exposure guidelines to verify that you're using your exposure
meter correctly or to determine the correct exposure to use if your meter
is not working properly.
Bright
or Hazy Sun, Average Subjects
The sun is shining with a blue sky or the sun is covered with a thin
haze. The sun is unobstructed and clearly defined, though scattered clouds
may be present. Shadows are sharp and distinct.
You can determine the basic exposure for frontlighted, average subjects
in bright or hazy sun by a simple formula: 1/Film Speed second at f/16.
For example, if you're using a film with a speed of ISO (ASA) 64, the exposure
would be 1/64 second at f/16. Use 1/60 second, the speed nearest to 1/64
on your camera. You can use this formula to find the exposure if you don't
have an exposure meter or if your meter is in need of repair. We will refer
to this basic exposure in our discussion of other lighting conditions.
Bright
or Hazy Sun, on Light Sand or Snow
The sun and sky condition is the same as for the first lighting condition
given above, but the subjects are on very light sand or snow. Since these
bright surfaces reflect a lot of light, the recommended exposure is 1 stop
less than the basic exposure for average subjects.
Note that the exposure corrections given in this section are for use
with the basic daylight exposure defined on above, not with exposure meter
readings. Refer to exposure for how to use in-camera and handheld exposure
meters.
Because reflected-light exposure meters can be fooled by such light
backgrounds, to determine the proper exposure make a close-up reading of
the subject. If this is not practical, be suspicious of a meter reading
that calls for an exposure much less than 1 stop less than the basic exposure
for average, frontlighted subjects in bright or hazy sunlight. If the meter
reading is too high because of the bright background, you'll probably get
better results using the exposure recommendations given here.
Weak, Hazy Sun
The light from the sun is weakened by a heavy haze and the sun's disk
is visible but diffusely outlined. Shadows are weak and soft but readily
apparent. Since there are no harsh shadows, these conditions are wonderful
for photographing people.
With weak, hazy sun, you use 1 stop more exposure for average subjects
than the basic exposure for bright sunlight.
Cloudy Bright
The sun is hidden by light clouds. The sky may be completely overcast
or there may be scattered clouds. You can't see the sun's disk, but you
can tell where it is by a bright area in the sky. There are no shadows.
Cloudy bright requires an exposure 2 stops greater than for bright sunlight.
Open Shade
This is the kind of lighting you have when your subject is in the shadow
of a nearby large object such as a house or a building. But you can still
see a large area of open sky overhead, in front of the subject.
Open shade usually requires an exposure increase of 3 stops over that
for bright sunlight.
Heavy Overcast
The sky is filled with heavy clouds and there's no bright area to show
the location of the sun. There are no extremely dark areas to indicate
an approaching storm and there are no shadows.
Use 3 stops more exposure for heavy overcast lighting than for bright
sunlight.
Bright Sunlight
Most outdoor pictures are made in bright sunlight. This type of lighting
offers the advantage of making colors look their brightest and snappiest.
Exposure calculation is also simpler in bright sunlight because you can
use the same exposure settings for most subjects. As long as you take pictures
of average frontlighted subjects, you can shoot during most of the day
at the same exposure settings.
A basic way to take pictures is in bright sunlight with frontlighting.
The sun is behind the photographer's back or slightly off to the side.
When the sun is at a slight angle to the camera axis, modeling from the
highlights and the shadows on your subject gives it a three-dimensional
quality.
Sidelighting
and Backlighting
If you photograph all your subjects by frontlighting, you'll miss some
excellent picture possibilities. Sidelighting and backlighting can help
create interesting and pictorial photographs. You can use sidelighting
and backlighting to produce strong separation between a subject and the
background because the lighting creates a rim of light around the subject.
You can use this type of lighting to emphasize the shape of the subject
since sidelighting and backlighting create highlights and shadows called
modeling. You can also use strong sidelighting to bring out surface textures
and backlighting to capture the translucent quality of flowers and foliage.
These advantages are lost when the sunlight comes over your shoulder and
falls directly on the front of your subject.
When you take pictures of backlighted and sidelighted subjects, shielding
your camera lens from the direct rays of the sun will help to avoid lens
flare. You can use a lens hood or
the shadow from your hand or a nearby object. Also be sure the sun's rays
don't strike the light-sensitive cell of an automatic camera or exposure
meter.
You'll usually need to use larger lens openings or slower shutter speeds
for this type of lighting than for frontlighted subjects. In close-up pictures,
especially of people, the shadows will probably be large and contain important
details. To capture this detail, increase exposure for sidelighted subjects
1 stop over the normal exposure you'd use for frontlighted subjects, and
give backlighted subjects 2 stops more exposure than normal. When you're
photographing subjects at a medium distance and shadows are part of the
scene but not too prominent, increase exposure by only 1/2 stop from normal
for sidelighted subjects and 1 stop for backlighted subjects. If you're
photographing a distant scenic view in which shadows are relatively small
and don't contain important detail, usually no exposure increase is necessary.
Reduced Lighting
Contrast
The contrast between shadow and highlight in brightly sunlighted conditions
is frequently greater than film can reproduce. The answer is to reduce
the contrast by brightening the shadows of important scene elements to
preserve valuable detail.
Fill-In Flash
Fill-in flash is especially useful for brightening the shadows in scenes
with nearby people or objects with detail you want revealed. With people,
you'll probably get more relaxed expressions because your subjects will
be looking away from the sun. Now they won't have to squint.
SLR cameras with built-in or dedicated accessory flash units make fill-in
flash easy. Often you have only to turn on the flash or camera. The camera
will then fire the flash with the correct amount of light to lighten the
shadows. Low and medium-speed films, such as 100 ISO film, work best with
fill-in flash. On bright days, these slower films allow you to use the
correct synch speed required for flash. For detailed procedures on fill-in
flash, see the section on flash photography.
Reflectors
Another good way of reducing the contrast of a nearby subject on a sunny
day is to use a reflector to bounce light into the shadow areas. The reflector
can be almost anything that will reflect light-a large piece of white paper,
crumpled aluminum foil, or even a white sheet. Don't use a colored reflector
with color films because it will reflect light of its own color onto your
subject.
Try to have the reflector close enough to your subject, but not in the
picture, to bring the light level in the shadows within 1 stop of normal
sunlight exposure. Expose as you would for a normal frontlighted subject.
Sometimes you'll be able to take advantage of natural reflectors in
a scene to fill in the shadows. If you can photograph your subject in surroundings
including bright reflective surfaces like light sand, white buildings,
or snow, the light reflected from them will often fill in the shadows to
produce a pleasant lighting effect.
No Direct Sunlight
On overcast days or for subjects in the shade, lighting contrast is
very low. In these situations you simply use an exposure meter to determine
exposure or follow the exposure table in the film instructions. With this
very soft and shadowless type of lighting, you won't need to use fill-in
flash or reflectors.
When you take color slides on overcast days or in the shade, it's a
good idea to use a No. 1A, or skylight, filter
over the camera lens. This filter reduces the bluishness of color slides
made with this type of lighting. No exposure compensation is necessary
with the skylight filter.
You're bound to encounter some unusual outdoor lighting situations,
such as those found on foggy days or on the back porch during a rainstorm.
In such situations, your best friend is an exposure meter or an automatic
camera.
On rainy days keep your camera dry by shooting from under shelter, using
an umbrella, or placing your camera in a plastic bag with only the front
of the lens poking out. Use a skylight filter too keep the front lens element
dry.
Sunsets
Sunsets often cause built-in meters, whether in an automatic or manual
camera, to recommend the wrong exposure. Set the exposure based on a meter
reading of the sky next to but excluding the sun. This exposure will record
the sky at the brightness you see and cause foreground subjects to become
silhouettes.
Beautiful sunsets are superb subjects with rich, dramatic color and
sunset pictures are easy to take. For proper exposure, just go by the meter
reading of the colorful sky and clouds but do not include the sun in the
metered area. Usually the exposure for 100 ISO film (Daylight) when the
sun is partly or wholly obscured by a cloud is 1/125 second f/8. To have
more assurance of obtaining saturated colors, it's best to bracket the
estimated exposure by plus and minus 1 stop. When the sun is below the
horizon, the sunset is dimmer, so try an exposure series of 1/60 second
f/5.6, 1/60 second f/4, and 1/60 second f/2.8 with the films mentioned
above. With 200 ISO film use 1 stop less exposure than given above.
Your sunset pictures will be even better when you include a foreground
object that will photograph as a silhouette with the sunset in the background.
Keep your lens sparkling clean because dust particles, fingerprints,
or other foreign matter can cause considerable lens flare when you photograph
sunsets.
Back to photography tips main page.
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