Features magnesium alloy full diecast body and advanced splash, dustproof construction
1. Delivering the highest ever picture quality with a new Live MOS sensor
The DMC-GH3 realizes high-quality photo images with real-to-life details through excellent resolution, image rendering and color reproduction; high-grade lens and precision AF achieves high resolution, optimal balance of resolution and noise reduction achieves lifelike image rendering and high precision auto exposure and white balance with live light metering results in faithful color reproduction.
The newly developed 16.05 effective megapixel Live MOS sensor boasts wide dynamic range and high sensitivity image recording even at ISO 12,800 or ISO 25,600 in extended mode. The key point here was reducing noise, for which Panasonic focused on the following three areas: (1) minimizing noise in the sensor, (2) preventing sensor noise from entering the output signal, and (3) preventing noise from entering the signal processing circuit, power supply line and grounding line. To reduce noise, it is also important to design the power supply wiring and the signal wiring connected to the engine to be as close to the same length as possible. These measures not only suppress noise but also help to improve processing speed. Standard sensitivity is from ISO 200 to ISO 12,800, but the user can set sensitivity to ISO 125 or ISO 25,600 by using an extension function. The LPF (Low Pass Filter) has been also newly designed to minimize generation of moire while drawing maximum resolution of the image out of the sensor.
The image processor Venus Engine is also refined to achieve superior noise reduction. With a combination of 3DNR (3D Noise Reduction) and MNR (Multi-process Noise Reduction), both bright area and dark area are faithfully reproduced with minimum noise across the entire focusing range in high sensitivity image recording.
The built-in flash is enhanced to feature more power and flexibility. The new built-in flash of GN12 equivalent (ISO 100 •m) / GN17 equivalent (ISO 200 •m) covers 24mm wide angle of view. Synchronization for flash dimming and exposure compensation is available with adjustment of 1/3EV Step ±3EV. Manual control and a sync terminal are newly added for more versatile use of external flash.
The GH3 also integrates HDR (High Dynamic Range) to cope with the extreme bright and dark contrast that you get, for example, with backlighting, or when consecutive photos are taken with different exposure levels and overlapped. Blown highlights and blocked shadows are then deleted and a single photo is composed. All processing is done in the background, so you can take your next shot without having to wait, ensuring that you don't miss a photo opportunity.
Other practical shooting functions including Time Lapse Shot or Multiple Exposure are available on DMC-GH3. The electronic shutter with silent operation prevents pixel declination which is undesirable in photographing of commercial products.
2. Awesome quality of video for unlimited expressions – versatile recording formats, bitrate and frame rates
Panasonic defies the conventional boundaries of a digital camera elevating the potential of video recording capability even higher. Users can freely choose the format from AVCHD, AVCHD Progressive, MP4 or MOV with the frame rate at 60p(NTSC), 30p(NTSC) or 24p according to the usage*. The DMC-GH3 is capable of recording ultra high bit rate video recorded at 72 Mbps (ALL-Intra) or 50 Mbps (IPB). And it is capable of recording continuously for an unlimited time**.