Pentax Optio S4i Camera Specifications

Body type

Ultracompact

Max resolution

2304 x 1728

Other resolutions

1600 x 1200, 1024 x 768, 640 x 480

Image ratio w:h

4:3

Effective pixels

4 megapixels

Sensor photo detectors

4 megapixels

Sensor size

1/2.5" (5.744 x 4.308 mm)

Sensor type

CCD

ISO

Auto, 50, 100, 200, 400

White balance presets

5

Custom white balance

Yes

Image stabilization

No

Uncompressed format

No

JPEG quality levels

Normal, Fine, Superfine

Focal length (equiv.)

35–105 mm

Optical zoom

3×

Maximum aperture

F2.6–4.8

Autofocus

Contrast Detect (sensor)SingleLive View

Digital zoom

Yes (4 x)

Manual focus

Yes

Normal focus range

40 cm (15.75″)

Macro focus range

6 cm (2.36″)

Screen size

1.8″

Screen dots

85,000

Touch screen

No

Live view

No

Viewfinder type

Optical (tunnel)

Minimum shutter speed

4 sec

Maximum shutter speed

1/2000 sec

Aperture priority

No

Shutter priority

No

Built-in flash

Yes

External flash

No

Flash modes

Auto, On, Off, Red-eye reduction

Self-timer

Yes

Exposure compensation

±2 (at 1/3 EV steps)

Resolutions

320 x 240, 15 fps, audio, unlimited

Microphone

Mono

Storage types

SD/MMC card, Internal

Storage included

10 MB Internal

USB

USB 1.0 (1.5 Mbit/sec)

HDMI

No

Remote control

Yes

Environmentally sealed

No

Battery

Battery Pack

Battery description

Lithium-Ion rechargeable

Weight (inc. batteries)

120 g (0.26 lb / 4.23 oz)

Dimensions

84 x 52 x 21 mm (3.31 x 2.05 x 0.83″)

Orientation sensor

No

Timelapse recording

No