All are 1024×768 (width×height, #columns×#rows).
= 786,432 pixels.

Preview display size is 256×192.
Click to see alone, full size.

Camera's default:

107 KB JPEG compression "20"

40 KB JPEG compression "10"

28 KB JPEG compression "5"

20 KB JPEG compression "1"

17 KB

default	"20"	"10"	"5"	"1"

100x100 image BMP (3B/pixel) an uncompressed image file format:
File size: 30,551 bytes

100x100 image PNG (a compressed format):
File size: 367 bytes File size: 130 bytes

1 bit per pixel

164 KB