Sony Cyber-Shot DSC-KW1 Reference Manual page 9

For details on "PlayMemories
Mobile," refer to the support page
(http://www.sony.net/pmm/).
Specifications
Camera
[System]
Image device:
7.87 mm (1/2.3 type) Exmor RS
CMOS sensor
Total pixel number of camera:
Approx. 21.0 Megapixels
Effective pixel number of camera:
Approx. 19.2 Megapixels
Lens:
f = 21 mm (35 mm film
equivalent)
F2.0
GB
9