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Taking your best shot

CAMERA CONTROL

Note that long shutter speeds exaggerate

the effect of camera shake. Clear images

require steady hands or some means of

camera support, such as a Sony accessory

tripod. Camera shake is also exaggerated

when you zoom the lens to telephoto.

A narrow aperture (high f number) keeps everything in

focus (left) while a wide-open aperture (low f number)

tends to blur the background, calling the viewers' attention

to the subject. (Sample photos for illustration purposes.)

Aperture Priority Auto Exposure

ISO sensitivity adjustment

An advanced mode for greater creative

control.

Electronic adjustment for increased

sensitivity when you need it.

Aperture Priority enables you to select the

lens opening or "f number" manually, while

The ability to change ISO sensitivity with a

the camera automatically selects the

flick of a switch is a big difference between

appropriate shutter speed. This lets you

film photography and digital photography.

choose a wide opening (low f number) to

It's like going from low-speed film to high-

blur the background or a narrow opening

speed film in an instant. As you select higher

(high f number) to keep both the subject

ISO sensitivity, you increase the electronic

and the background in sharp focus.

"gain," achieving a brighter image at some

sacrifice in picture "noise" or "grain." Because

each ISO level is also an EV step, you can

AE Lock

creatively trade off ISO settings versus aperture

and shutter settings to achieve the effect

Enables you to lock in the exposure first,

you want.

before you frame the shot. Perfect when the

subject will be far off-center in the frame.

Manual Exposure

"Exposure insurance" for once-in-a-lifetime

photo opportunities.

For total creative control, a wide range of

Sony cameras offers Manual Exposure.

Auto Bracketing takes three consecutive

pictures at, above and below the auto

When you want the ultimate control over your

exposure level. Depending on camera

photography, there is no substitute for Manual

model, you can adjust the bracketing from

Exposure mode. Selecting your shutter speed

+/- 1/3 Exposure Value (EV) to +/- 1 EV.

and aperture means exercising sophisticated

control over the way you capture motion

and the separation between foreground

and background. Manual Exposure puts

the entire mood and emphasis of each

shot into your hands.

Auto Bracketing automatically takes shots at, over and under the automatically determined Exposure Value. (Sample

photos for illustration purposes.)

Multi-Pattern Measuring

Sony divides the image into 49 points to

measure incoming light and intelligently

set exposure levels.

A crucial factor in any auto exposure system

is the method of measuring incoming light.

Our Multi-Pattern Measuring examines

49 points across the frame in a seven-by-

seven grid. In this way, the camera isn't

thrown off by a single bright highlight or

deep shadow.

Shadow Highlight

Our Multi-Pattern Measuring won't get thrown off by a

single bright highlight or deep shadow. (Sample photo

Auto Bracketing

for illustration purposes.)

For additional flexibility, Center-Weighted

and Spot metering ensure proper exposure

when the subject is far brighter or darker

than the background.

CAMERA CONTROL

Spot metering makes sense in cases like this, when

the subject is much brighter than the background.

(Sample photo for illustration purposes.)

49 POINT

Histogram

ANALYSIS

A quick and easy way to confirm proper

exposure; great for getting pictures right

the first time.

Are you getting the right exposure? Under

most situations, just one look at the LCD

monitor will reveal the answer. But when

difficult viewing conditions make it hard

for you to see subtle shading on the LCD

monitor, the Sony histogram display has

the answers. This LCD monitor display

indicates the exact details of your exposure.

The histogram is a graph showing how

many pixels in the image occur at each

light intensity, all the way from full black

(at the left) to full white (at the right). In

general, you have the correct exposure when

the histogram indicates pixels across the

full range of light intensity.

INTERPRETING A HISTOGRAM

BLACK

WHITE

Brightness

The LCD monitor histogram is a graph

of your exposure. This graph shows that

while most of the picture is in the deep

shadow range, the picture contains the

full range of brightness levels.

Dynamic Range Optimizer can help pull detail out of the shadows, especially in difficult backlight conditions. (Sample photos

for illustration purposes.)

White Balance

Get natural-looking colors in every lighting

condition, expand your creativity.

The brain understands that a white piece

of paper is still "white" whether it's seen in

sunlight, fluorescent light or incandescent

light. But in digital photography, the white

paper could end up looking reddish, yellowish

or greenish, depending on the main light

source. That's why Sony cameras have

sophisticated White Balance controls. White

Balance establishes the "right" color balance

for a wide variety of conditions. You can also

adjust white balance to alter color values, for

another dimension in photographic creativity.

Dynamic Range

Optimizer (DRO)

A BIONZ processor function that delivers

better exposure in highlight and shadow

areas.

UNDER EXPOSURE

CORRECT EXPOSURE

OVER EXPOSURE

Using the histogram to assist exposure. The underexposed image has no

bright values. The overexposed image has no dark values. The correct

exposure has a full range of values from black to white. (Sample photos

for illustration purposes.)

Why can't a camera capture what the eye

sees? Often, the culprit is limited dynamic

range. Expose for shadow detail and you

end up "blowing out" the highlights. Expose

for the highlights and you end up "crushing"

the blacks. That's where the Sony Dynamic

Range Optimizer (DRO) comes in.

In selected Cyber-shot cameras, DRO

automatically adjusts exposure and contrast

to achieve optimal results. Even when there's

a huge difference in brightness between

your subject and the background (such

as family members back-lit by the setting

sun), your pictures are beautifully exposed.

The a100 Digital SLR offers two distinct

modes of DRO. DRO Normal selects from

the most appropriate of 400,000 gamma

curves to improve shadow detail. DRO

Advanced adjusts area-by-area, to maximize

detail in both highlight and shadow areas.

Burst mode

Catch a rapid sequence of shots, great for

sports and unpredictable subjects like

kids and pets.

If you can't predict when the perfect shot

might occur, Burst mode gives you a range

of choices. Burst mode shoots rapidly

and repeatedly, with the number of shots

depending on image size and memory

transfer speed. Also depending on

memory transfer speed, the a100 can

continue taking pictures at 3 frames per

second up to the limit of the memory card.