Sigma SD1 User Manual

coverage, 0.95x magnification and
an 18mm eye point. Diopter adjustment is
provided over a range of -3 to +1.5 dpt.
AUTOFOCUS
Precise focus with 11-point twin cross sensor
The autofocus system features an 11-point
twin cross sensor. This shifted twin cross
type sensor improves AF accuracy.
Selecting the AF point can be done
manually or automatically.
77-segment AE sensor for accurate exposure
The SD1 features a new 77-segment AE sensor
using advanced AE algorithms to improve
exposure accuracy. Exact control coordinated
with the 11 AF points achieves accurate
exposure even in difficult lightning conditions.
MEMORY
Uses fast, high-capacity CF cards
The SD1 accepts
TYPE I CF cards.
UDMA mode6
compatibility
enables fast
processing of large
amounts of data.
*It is not possible
to use TYPE II
CF cards or
microdrives.
ISO
ISO100 - 6400;
Noiseless image processing
The SD1 captures light effectively and
ensures noiseless image processing.
The image sensor provides high definition
with rich, graduated tones.
EXPOSURE
Exposure management with
manual control and auto bracketing
Exposure can be manually adjusted to
suit your needs. When difficult lighting
conditions make appropriate exposure
unclear, auto bracketing lets you take
a sequence of shots of the same subject
at three or five different exposure levels.
Bracketing can be set in 1/3EV increments
up to +-3EV(3levels) or +-1.7EV(5 levels).
METERING
Flexible control over metering,
The SD1 features four metering modes
SPOT METERING
The camera will
measure the luminance
of 1% of the entire
picture area. This mode
is suitable when you
wish to set the exposure
for a small portion of the scene and ignore the
influence of the rest of the area.
77-SEGMENT
EVALUATIVE
METERING
Evaluative metering
is suitable for general
photography. Even in
strong back lighting situations, the camera will
give you the correct exposure.
CENTER
AREA
METERING
The camera will measure
the luminance of 10% of
the entire picture area.
This is ideal for metering backlit subjects.
CENTER
WEIGHTED
AVERAGE
METERING
The camera will measure
the average luminance
of the entire picture area with additional emphasis
on the center area. This is ideal when using
optional exposure compensation.
19

Sigma SD1 Specifications

General

Sensor Type	CMOS
Lens Mount	Sigma SA mount
ISO Sensitivity	ISO 100-6400
Screen Size	3.0 inches
Weight	700 g (body only)
Camera Type	Digital SLR
Shutter Speed	1/8000 to 30 sec
Continuous Shooting	5 fps
LCD Screen Resolution	460, 000 dots
Storage Types	CompactFlash (Type I)
Viewfinder	Optical