5x

Details of Nikon Coolpix S570 you might wanna know:
Nikon Coolpix S570 elegantly simple combines 12.0 effective megapixels with a 5x optical zoom, wide-angle Zoom-Nikkor stunning prints as large as 16x20 inches.

Canon PowerShot G11's technical details:

• New 10-megapixel High Sensitivity System; DIGIC 4 Image Processor
• Bright 2.8-inch Vari-Angle PureColor System LCD plus optical viewfinder
• Wide-angle 5x optical zoom (equivalent to 28-140mm); Canon's Optical Image Stabilizer
• Improved Smart AUTO intelligently selects from 22 predefined shooting situations
• RAW + JPEG shooting and recording modes
• Capture images to SD/SDHC memory cards (not included)

The G-series digital camera from Canon PowerShot comes full circle.