The SX 540 HS has 50x optical zoom, and good low light imaging capabilities. It has a 20.3-megapixel sensor, compared to the 16-megapixel sensor of the SX530 HS. It also has the power of a DIGIC 6 processor. ZoomPlus allows you to digitally double the zoom capability without losing resolution.
Canon Powershot SX540 HS Hands-On Photos of Equipment
The camera sports a good grip and is relatively small for the huge zoom range. There is a pop-up flash and the camera also has a bright, good sized screen on the back. The design is well thought out with large buttons.