Pentax Optio S45

Announced May 11, 2005 •
4 megapixels | 2.5 screen | 36 – 107 mm (3×)
Price
Body type
Body type Ultracompact
Sensor
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
Image
ISO Auto, 100, 200, 400
White balance presets 5
Custom white balance Yes
Image stabilization No
Uncompressed format No
JPEG quality levels Normal, Fine, Superfine
Optics & Focus
Focal length (equiv.) 36–107 mm
Optical zoom 3×
Maximum aperture F2.6
Autofocus
  • Contrast Detect (sensor)
  • Single
  • Live View
Digital zoom Yes (2.6x)
Manual focus Yes
Normal focus range 40 cm (15.75)
Macro focus range 6 cm (2.36)
Screen / viewfinder
Screen size 2.5
Screen dots 115,000
Touch screen No
Live view No
Viewfinder type None
Photography features
Minimum shutter speed 4 sec
Maximum shutter speed 1/2000 sec
Aperture priority No
Shutter priority No
Built-in flash Yes
Flash range 4.90 m
External flash No
Flash modes Auto, On, Off, Red-eye reduction
Self-timer Yes
Exposure compensation ±2 (at 1/3 EV steps)
Videography features
Resolutions 320 x 240, 15/30 fps
Storage
Storage types SD/MMC card, Internal
Storage included 11 MB Internal
Connectivity
USB USB 1.0 (1.5 Mbit/sec)
HDMI No
Remote control Yes (Optional)
Physical
Environmentally sealed No
Battery AA
Battery description AA (2) batteries (NiMH recommended)
Weight (inc. batteries) 155 g (0.34 lb / 5.47 oz)
Dimensions 89 x 59 x 28 mm (3.5 x 2.32 x 1.1)
Other features
Orientation sensor No
Timelapse recording No
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