Monday 14 September 2015

Panasonic GX8

Panasonic GX8

Panasonic’s highest resolution CSC is finally here. Matthew Higgs checks out the enthusiast-level GX8

Packing a brand new sensor, a redesigned image stabilisation system and all of Panasonic’s latest 4K shooting options, the GX8 is a high-end CSC aimed at the advanced enthusiast. The model builds on the success of its predecessor, the popular GX7, bringing to the table a range of Panasonic’s latest tech developments. Physically larger than its forebear, it offers the highest resolution of any Micro Four Thirds camera yet, at 20.3MP. But with a price-tag of £1000 body-only, will its re-imagining have gone far enough, or will it fall flat against some stiff market competition?

Main features


While other CSC manufacturers have been leading the megapixel race with resolutions of up to 40MP, Micro Four Thirds users have had to make do with a slightly underwhelming 16MP. But thanks to a newly developed 20.3MP Live MOS sensor, the GX8 is the first to offer something more, providing increased detail capture and allowing for larger print sizes. Combined with the Venus Engine IX, the camera offers an unchanged ISO range of 200-25,600, but now has a greatly improved burst speed of 8fps for 30 RAW files.

The GX8 is also the first camera to feature Panasonic’s Dual IS system, which combines the brand’s lens-based O.I.S with its sensor shift technology. This will compensate for 3.5 stops of camera shake at wide focal lengths, and 1.5 at longer lengths. This falls short of the performance of some rivals.

The camera’s 49-point contrast detect AF system is rated to an impressive -4EV. While speedy in well lit conditions, it does slow down more than anticipated in low light. There are AF modes for tracking and eye-detect, and peaking for manual focusing.

Other features and handling


Maintaining the flip-up mechanism found on the GX7, the new OLED EVF has an excellent 2360k-dot resolution and a large 0.77x (35mm equivalent) magnification. Complemented by a 3in 1040k-dot vari-angle monitor, the camera makes composition and menu operation a joy. There’s also touch-menu control, touch shutter and touch-focus, the latter even possible with the EVF held to the eye.

The camera captures 4K video at 25fps, and Full HD at 50fps. It has an input for an external mic, but lacks a headphone port. After recording a 4K video clip or using one of the camera’s three 4K photo modes, 8MP stills can be extracted and saved in-camera. This will be useful for users looking to achieve even faster burst shooting speeds. The pop-up flash found on the GX7 has been removed, but the camera does have a hotshoe. Wi-Fi and NFC are present for remote camera control and file transfer, while battery life is 330 shots from one full charge.

Splash and dust proof, the rugged magnesium alloy body should easily be able to withstand regular use. A much larger grip helps to improve ergonomics, but it’s now 20% heavier than the GX7 and notably larger than most similar CSCs. A redesign of controls has seen the rear dial of the GX7 moved to the GX8’s top-plate, alongside a new Function button and exposure comp dial. Operation can easily be tailored to suit an individual shooting style, thanks to 13 custom controls.

Verdict


The GX8 has some highly impressive features, pleasing handling and a solid new sensor that will be sure to appeal to many Panasonic users. For those looking to upgrade from a G7X, it will be a very welcome release. However, the camera’s chunky size and steep asking price may limit its appeal for those weighing up a broader range of options.

Specs

Camera: Panasonic GX8
Lens: 12-35mm f/2.8 ASPH Power O.I.S.
Price: £1699 (£999 body only)
Effective resolution: 20.3MP
Sensor: 17.3x13mm Micro Four Thirds Live MOS
Processor: Venus Engine IX
LCD: 3in 1040k-dot vari-angle touchscreen OLED
EVF: Flip-up 2360k-dot OLED with 100% coverage and eye sensor
Autofocus: 49-area contrast detect
ISO: 200-25,600 (expands to 100)
Shooting speed: 8fps for 30 RAW files
Video: 4K at 25fps, Full HD at 50fps
Pop-up flash: No
Available colours: Black and silver
Other features: 4K photo mode, Starlight AF, dual image stabilisation system, splash and dustproof, Wi-Fi and NFC
Battery life: 330 shots
Card type: SD, SDHC, SDXC
Size (WxHxD): 133x78x 63mm
Weight: 487g