Specifications

DIGITAL SLRs
231
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(ALPHA) DSLR-A100
PHOTO - VIDEO - PRO AUDIO
SONY
Super SteadyShot Image Stabilization System
◆ Unlike most Digital SLRs, the A100 has image stabilization built into its body, so that any lens
you use benefits from a stabilized image. The Super SteadyShot system empowers you to take
spectacular shots where un-stabilized lenses would give you blur. It's great anywhere a tripod
is unavailable, or in museums where flash is prohibited. It also makes the camera perfect for
indoor sports shooting, and candlelit subjects that would be ruined by flash.
— Instead of depending on an anti-shake mechanism within each lens, Super SteadyShot detects
camera shake and shifts the position of the CCD sensor to compensate for camera movement,
thus reducing image blur.This means that it works with all compatible Sony system lenses –
without the need for expensive specialist optics that include built-in image stabilization.
— As well as reducing the blur caused by camera shake, Super SteadyShot also permits handheld
shooting in situations that would normally require a tripod or flash. Enjoy sharp, blur-free
photos… even with a telephoto or zoom lens at high magnification, or handheld macro
shooting with a reduced risk of camera shake.
— The actual compensation effect depends on the lens and shooting conditions, but typically it’s
equivalent to between 2 and 3.5 steps in shutter speed. An indicator in the bottom right hand
corner of the viewfinder also provides real time indication of the amount of camera shake.
Anti-Dust Technology
◆ A simple lens change can let dust particles
collect on the image sensor surface, degrad-
ing picture quality - and once there, dust is
difficult to remove. To combat this constant
problem, the DSLR-A100 features an
advanced anti-dust system to minimize the
effects of dust particles entering the camera
body when lenses are exchanged.
◆ The CCD sensor’s Indium Tin Oxide anti-
static coating acts as a barrier to dust, while
a CCD vibration function briefly shakes the
sensor every time the camera is powered off
to dislodge what little dust particles settled.
There’s also a selectable menu function that
vibrates the sensor more strongly.
Eye-Start Autofocus System
◆ Some DSLRs don’t start focusing until the
shutter button is half-pressed, but that can
slow down camera response. The Sony
DSLR-A100 is equipped with a unique
Eye-Start system that ensures focusing is
complete by the time the shutter button has
been released.
◆ The camera begins its precision autofocus
adjustments the moment you bring your eye
to the viewfinder. The camera’s infra-red
sensor detects when you look through the
viewfinder, automatically activating
autofocus (and switching the LCD screen
off). Coupled with a super-fast response
time of 0.9 seconds from power-on, the
DSLR-A100 is always ready for action.
Four Focus Modes
◆ Fast, positive focusing is easy with four
modes to suit any scene and your creative
preferences.
– AF-S (Single AF) mode keeps focus fixed at
the point where it’s been brought into focus.
– AF-C (Continuous AF) mode is ideal for
keeping a moving subject in continuous
focus.
– AF-A mode selects automatically between
two modes by assessing the scene.
– A DMF (Direct Manual Focus) mode can
also be selected, allowing you to focus
manually after AF is complete for fine-tun-
ing any scene to perfection.
Dynamic Range Optimizer
The Dynamic Range Optimizer ensures evenly-balanced reproduction of the brightest highlights
and the deepest shadows... even when you’re shooting high-contrast scenes or against the sun.
While normal exposure compensation retrieves low-light detail at the expense of burnt out
highlights, Dynamic Range Optimizer assures perfectly exposed pictures by automatically
adjusting gamma curve and color balance settings. Two modes available:
• In Standard Mode brightness and
contrast levels for the whole image are
automatically corrected in real time.
• Advanced Mode offers a higher degree
of compensation by analyzing and
adjusting tone and color reproduction
for each area of the image separately
– a process that only takes around
0.5 seconds to achieve.
When switched off, the subject’s face will appear dark in photographs taken directly against the
sun. Off is appropriate if the intention is to take a photograph with a silhouette.
In Standard mode, the contrast and exposure of the complete image are automatically adjusted
and the subject’s expression is easier to see compared to the OFF setting.
In Advance mode, a higher degree of compensation occurs. The photo balances with high
precision the strength of the color of the background sky, the brightness of the subject’s face and
the green of vegetation.
switched off Standard Mode Advanced Mode
Indicator and warning icon in the
viewfinder provides immediate
indication of camera shake status.
Amount of camera shake is
measured on a scale of 1 to 5
indicator bars. Warning icon also
illuminates whenever the danger
of camera shake is high.
High danger of
camera shake
Small camera shake