The PowerShot G15 features the brightest lens in a PowerShot G-series model to date, with a new f/1.8-2.8, 5x zoom lens, providing the user with an extra-wide aperture throughout the camera's entire focal range. Designed for advanced users looking for premium quality, class-leading performance in a compact body and features the acclaimed HS System, which offers outstanding low-light performance and exceptionally low noise levels in all conditions. Canon's optical Image Stabilizer with Intelligent IS ensures the sharpest image quality throughout the camera's zoom range, while manual control and RAW file support provides the user with maximum control over how images are captured and post-processed. Author David Taylor's comprehensive step-by-step guide includes practical tips on how to get the best from this versatile camera. Book includes a pull-out reference card gives quick access to the camera's functions.