Panasonic has raised the bar in its weight class yet again with the release of the Lumix DMC-GH4 Micro Four Thirds DSLM camera. The headline feature is the camera's ability to capture in the newer 4K standard, also known as Ultra High Definition, which provides four times the resolution of the...

A fast, long 12x optical zoom lens and easy-to-use controls help make up a little for the DMC-FZ8's image-quality issues.

Fast 12x optical zoom lens; convenient joystick control; manual exposure controls; optical image stabilization; raw image capture

Noisy images; so-so image quality; ISO 3,200 hidden away in a scene mode

The Sigma 85mm 1.4 DG HSM Art is a latest addition to the world renowned Sigma Global Vision Line. Designed and engineered for unparalleled image quality, the Sigma 85mm 1.4 Art employs a completely new optical design and premium components.

A quantum leap for amateur video production, and a superb stills camera to boot

The GH4 is pitched as a professional-quality camera and, while it might not unseat the top-end DSLRs from Nikon and Canon in the hearts and hands of people who make their living from photography, it’s certainly the most enthusiast-friendly of Panasonic’s Micro Four Thirds cameras thus far. Build quality is superb, autofocus is fast and accurate, still image quality is among the best that we’ve seen from a mirrorless camera and video quality? Well, we reckon that is the best we’ve seen from a mirrorless camera. It’s not cheap, and it’s not particularly compact, but if you’re looking for a versatile, hardy camera to accompany you on and document your travels through both stills and video, we can think of few better choices. READ MORE: The 10 best system cameras in the world right now

Good high ISO performance; Superb 4K video capture; Quick, accurate autofocus; Great viewfinder and screen; Tough, weatherproof body;

Large by mirrorless standards; Pricey;

Good high ISO performance; Superb 4K video capture; Quick, accurate autofocus; Great viewfinder and screen; Tough, weatherproof body;

Large by mirrorless standards; Pricey;