The Canon Speedlite HF-DC1 is a compact external flash designed specifically for use with Canon PowerShot and Digital IXUS cameras. This silver-finished accessory provides a guide number of 18 meters at ISO 100 and a coverage angle of 28 mm, allowing you to illuminate your subjects more effectively than a built-in flash would. You can switch between automatic and manual modes depending on how much control you want over the lighting in a given scene. Measuring 66 x 46 x 30 mm and weighing only 65 g, the unit is light enough to carry in a small bag without adding bulk to your gear. It runs on a single CR123A lithium battery, ensuring a reliable power source for your shoots. To help you avoid harsh shadows and flat lighting, the flash supports bounce, side fill, and back fill techniques, making it a practical tool for photographers who want to add depth and dimension to their portraits and snapshots.