Canon Digital Cameras

Model	S-10	S-40	A-20	G-1	G-2	Pro 90 IS	D-30
Max resolution	1600 x 1200	2272 x 1704	1600 x 1200	2048 x 1536	2272 x 1704	1856 x 1392	2160 x 1440
CCD pixels	2.11 million	4.1 million	2.11 million	3.34 million	4.1 million	3.34 million	3.25 million
Zoom tele (T)	70 mm (2 x)	105 mm (3 x)	105 mm (3 x)	102 mm (3 x)	102 mm (3 x)	370 mm (10 x)	n/a
Digital zoom	Yes, 2 x, 4 x	Yes, up to 3.6x	Yes, 2.5 x	Yes, 2 x, 4 x	Yes, x1.4, x1.8, x2.2, x2.7, x3.6	Yes, 2 x, 4 x	No
Auto Focus	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Manual Focus	No	Yes	No	Yes	Yes	Yes	Yes
Max shutter	1/1000 sec	1/1500 sec	1/1500 sec	1/1000 sec	1/1000 sec	1/1000 sec	1/4000 sec
Built-in Flash	Yes, internal	Yes, internal	Yes, internal	Yes, internal	Yes, internal	Yes, pop-up	Yes, pop-up
External flash	No	No	No	Yes, hot-shoe	Yes, hot-shoe	Yes, hot-shoe	Yes, hot-shoe
Lens thread	None	None	Yes, with adapter	Yes, optional 58 mm adapter	Yes, optional 58 mm adapter	58 mm	Canon EOS EF mount
Continuous / Burst	Yes (about 1.7fps)	Yes (about 1.5fps, 2.5fps & movie 15fps)	Yes	Yes (about 1.7fps & movie 15fps)	Yes (about 1.7fps, 2.5fps & movie 15fps)	Yes (0.5 fps)	Yes (about 3fps up to 8 images)
Video out	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Storage types	Compact Flash (Type I or II)	Compact Flash (Type I or II)	Compact Flash (Type I)	Compact Flash (Type I or II)	Compact Flash (Type I or II)	Compact Flash (Type I or II)	Compact Flash (Type I or II)
Microdrive compatible	Yes	Yes	No	Yes	Yes	Yes	Yes
Storage included	8 MB CompactFlash	16 MB CompactFlash	8 MB CompactFlash	16 MB CompactFlash	32 MB CompactFlash	16 MB CompactFlash	16 MB CompactFlash
LCD	1.8 '	1.8 '	1.5 '	1.8 ' (flip-out & twist)	1.8 ' (flip-out & twist)	1.8 ' (flip-out & twist)	1.8 '
USB	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Battery	Canon NiMH & charger	Canon Lithium-Ion & charger	AA (4) batteries (NiMH recommended)	Canon Lithium-Ion & charger	Canon Lithium-Ion & charger	Canon Lithium-Ion & charger	Canon 1100mAh Li-Ion & Double Charger
Weight (inc. batteries)	320 g (11.3 oz)	323 g (11.4 oz)	375 g (13.2 oz)	490 g (17.3 oz)	510 g (18 oz)	680 g (24 oz)	750 g (26.5 oz)
Dimensions	106 x 70 x 34 mm (4.2 x 2.8 x 1.3 in)	112 x 58 x 42 mm (4.4 x 2.3 x 1.7 in)	110 x 71 x 38 mm (4.3 x 2.8 x 1.5 in)	120 x 77 x 64 mm (4.7 x 3 x 2.5 in)	121 x 77 x 64 mm (4.8 x 3 x 2.5 in)	127 x 84 x 140 mm (5 x 3.3 x 5.5 in)	150 x 107 x 75 mm (5.9 x 4.2 x 3 in)