Table 2: PowerShot TX1 specifications
Imaging sensor (CCD) 1/2.5-inch CCD with 7.10 effective megapixels (about 7.40 total megapixels)
Color filter Primary-color filter
Lens 39 - 390mm (35mm equivalent), f/3.5 (wide) - f/5.6 (tele)
Digital zoom About 4X (maximum about 40X when combined with optical zoom)
LCD monitor (viewfinder) 1.8-inch (low-temperature polycrystalline silicon TFT color LCD, about 115,000 pixels, wide viewing angle)
Autofocus TTL autofocus, Face Detect*/single point AF (center of frame) *When no face is detected, switches to 9-point AiAF or single-point AF
Normal focusing range 50 cm - infinity (wide), 1.0 m - infinity (tele)
Macro focusing range* 10 - 50 cm (wide) *In Super Macro mode: 0 - 10 cm (wide)
Shutter Mechanical shutter + electronic shutter
Shutter speeds

1/2500 - 15 sec.
Light metering methods Evaluative, Center-weighted average, Spot*
*Metering frame is fixed to the center
Exposure compensation ±2 stops in 1/3-stop increments
ISO speeds (Standard Output Sensitivity, Recommended Exposure Index) Auto, High ISO Auto, ISO 80/100/200/400/800/1600
Flash ranges 35 cm - 2.0 m (wide), 1.0 m - 1.2 m (tele) (when ISO speed is set to Auto)
White balance modes Auto, Daylight, Cloudy, Tungsten, Fluorescent, Fluorescent H, Custom
Shooting modes Auto, Manual, Super Macro, Portrait, Night Snapshot, Indoor, Foliage, Snow, Beach, Aquarium, Color Accent, Color Swap, Stitch Assist, Movie
Continuous shooting Normal: about 2.2 fps (large + fine mode)
AF: about 1.1 fps (large + fine mode)
Image sizes (still images) 18 combinations (Large, Medium 1, Medium 2, Medium 3, Small, Widescreen) x (Superfine, Fine, Normal)
Number of recording pixels (still images) 3072 x 2304 (Large), 2592 x 1944 (Medium 1), 2048 x 1536 (Medium 2), 1600 x 1200 (Medium 3), 640 x 480 (Small), 3072 x 1728 (Widescreen)
Movie sizes
16:9 1280 x 720 pixels (30 fps/30 fps LP)
4:3 640 x 480 pixels (30 fps/30 fps LP)
320 x 240 pixels (60 fps/30 fps)
Storage media SD memory cards, SDHC memory cards, MultiMedia cards, MMCplus cards
Color space Standard (sRGB)
File format Compliant with DCF (Exif 2.2) and DPOF Version 1.1
Power source Rechargeable lithium-ion battery: NB-4L
AC adapter kit: ACK-DC10 (sold separately)
Dimensions (excluding protruding parts) 88.8 x 59.9 x 29.0mm
Weight (camera only) About 220 grams