The Panasonic GH4 is the most advanced compact system camera in the Lumix G-Series, delivering beautiful 16.05 megapixel image quality and smooth 4K video in a durable, weather-sealed magnesium alloy body. The newly designed Digital Live MOS sensor with DFD (Depth from Defocus) technology combined with the speed of the Venus Engine ensures lightning fast AF (approx. 0.07 sec) and 12 fps burst shooting, along with higher sensitivity (max. ISO 25,600), better gradation performance, resolution and colour reproduction to achieve even higher image quality. Designed with the needs of the professional photographer and videographer in mind, the Panasonic GH4 also boasts an OLED 2,359K-dot electronic viewfinder and 3.0" 1,036K-dot rear monitor with 100% coverage, Full HD recording, Wi-Fi with NFC technology, plus a handful of video functions.
Key Features of the GH4
- 16.05 MP Digital Live MOS sensor
- 4K/2K video recording, with stereo sound
- Quad-core Venus Engine image processor
- Full HD video with ultra bitrate at 200 Mbps
- 2,360K-dot electronic viewfinder (EVF)
- 3.0" 1,036k-dot vari-angle LCD
- 12 fps continuous shooting (AFS) / 7 fps with AF tracking (AFC)
- Weather-sealed magnesium alloy construction
- ISO 100-25,600
- Wi-Fi / NFC connectivity
- Microphone / Headphone sockets (3.5mm)
- Micro Four Thirds lens mount
Panasonic GH4 hands-on video
We caught up with Panasonic UK and Damien Demolder for a run down on the Panasonic GH4.
Stunning 4K cinematography in the palm of your hand
The new DMC-GH4 further evolves to bridge the gap of consumer video camera and professional video camera. One of the most prominent advance is unlimited*1 4K video recording (Cinema 4K: 4096x2160 / 24 fps and QFHD 4K: 3840x2160 / up to 30 fps) in MOV/MP4*2. The DMC-GH4 is also capable of recording Full- HD video with ultra high bitrate at 200 Mbps (ALL-Intra) or 100 Mbps (IPB) without recording time limit *1*2. Users can freely choose the format from MOV, MP4, AVCHD Progressive and AVCHD at a variety of frame rates according to the usage. For the global business of professional users, the system frequency can be flexibly selectable between 59.94Hz (23.98Hz) / 50.00Hz / 24.00Hz. The DMC-GH4 is also capable of real-time image output to the external monitor via an optional micro HDMI cable simultaneously while recording video. For more unique video expression, VFR(Variable Frame Rate) or Time Lapse/Stop Motion Animation can be produced with DMC-GH4 without postproduction process. In addition, a variety of practical functions required for professional video recording are newly integrated.
Panasonic GH4 Vdieo: 4K Tour
Beautiful stills with minimal noise
The LUMIX DMC-GH4’s newly-developed 16.05-megapixel Live MOS sensor achieves high quality results every time, with the high sensitivity image recording and lightning fast response times that professionals expect. The high power Venus Engine image processor allows the camera to produce fantastic results with minimal noise - whether you’re reportage shooting in a crowded street or capturing shy wildlife at dusk.
Durable, lightweight and ready for adventure
You have to be agile to get the perfect shot in the field - so the LUMIX DMC-GH4’s lightweight and compact design means you’ll be able to seamlessly move through crowds or through challenging environments with ease. To be tough enough to withstand even heavy field use, the main structure of the DMC-GH4 is composed of magnesium alloy full diecast front / rear frame. It also features splash / dustproof construction thanks to the sealing on every joint, dial, and button. The shutter unit is also redesigned to be even more durable for approx. 200,000 times release
2,359K-dot Electronic Viewfinder
The DMC-GH4 boasts newly developed high-precision, high-speed dual OLED (Organic Light-Emitting Diode) displays for LVF (Live View Finder) and rear monitor. Increasing the resolution of display area to 2,359K-dot, the new 16:9 Wide Screen LVF boasts approx.1.34x / 0.67x (35mm camera equiv.) magnification and 100% field of view and eyepoint of approximately 21 mm. Thanks to the newly designed large eyecup, the visibility of LVF is dramatically improved. The image output between the LVF and the rear monitor is switched automatically with the eye sensor on the LVF, which features options of sensitivity - high, low and off - to reduce false operation during touching on the rear monitor.
3.0" 1,036K-dot free-angle OLED rear LCD
The 3.0-inch 1,036K-dot free-angle OLED rear monitor (3:2 aspect) with wide-viewing angle rotates 180° to the side and tilts 270° up and down offers approx. 100% of field of view. This rear monitor adopts static touch control for more smooth operation either in shooting or in playback. Both LVF and rear monitor adopts OLED to achieve high speed response with minimum time lag while enhancing the resolution. Notably, the OLED for the LVF in DMC-GH4 boasts 10,000:1 high contrast for superior color reproduction. Now the excellent visibility comes closer to OVF. On the other hand, live view image can be displayed in monochrome through LVF which enables shooting concentrating on contrast.
High speed, high precision shooting
The Contrast AF system in the DMC-GH4 is further enhanced by Panasonic’s integration of DFD (Depth from Defocus) technology which even shortens the time to set focus. It figures out the distance to the subject by evaluating 2 images with different depth of field while consulting the data of optical characteristics of the using lens in a moment. As a result, the DMC-GH4 achieves ultra high speed AF of approx.0.07 sec*3. This improvement benefits more as focusing distance increases. The speed of burst shooting is dramatically faster than the predecessor DMC-GH3, boasting high speed burst shooting at 12 fps (AFS) up to approx.40 (including RAW) / approx.100 (excluding RAW) and 7.0 fps (AFC) to capture fast moving subject just in-focus.
GH4 Video: Contrast AF with DFD Technology
Creativity and expandability
The LUMIX DMC-GH4 also features a variety of settings and modes that will help you further unleash your creativity, even before the post-production process. With VFR (Variable Frame Rate), video can be recorded in both dramatic slow motion and thrilling fast motion - from 2 fps to 96 fps or 4x speed - all in Full HD.
You can create the next viral internet hit with stunning stop motion animation and time lapse shots, while precise control over video image quality can be achieved through advanced settings such Zebra Pattern, which allows you to finely control white wash-out.
Wi-Fi with NFC connectivity
The DMC-GH4 integrates Wi-Fi connectivity (IEEE 802.11 b/g/n) with NFC (Near Field Communication) technology camera to offer more flexible shooting experience and instant image sharing with easy operation. With Panasonic "Image App", remote shooting of both photo and video is available by using the smartphone/tablet for a remote shutter with a monitor. Not only releasing a shutter, zooming, focusing and settings of shutter speed, aperture, exposure compensation are all controllable with a smartphone / tablet. All these flexible shooting / browsing / sharing style are made possible with the DMC-GH4 and the Panasonic's dedicated application software Panasonic Image App for iOS / Android smartphones / tablets. It is also easy to embed geotag in the image after shooting. For the smartphone/tablet without NFC, the camera displays dedicated QR code on its monitor to complete pairing easily by reading the code.
The DMC-GH4 comes with a variety of connection terminals for more flexible shooting options. The 3.5mm microphone jack is for high quality audio recording using an external microphone and the 3.5mm headphone jack which enables monitoring the recording audio while shooting video real-time. It is also capable of real-time image output on the external monitor via an optional HDMI micro cable simultaneously while recording video. In addition to these, the DMC-GH4 complies with AV outputs (Audio 2ch, Composite), flash sync terminal and 2.5mm jack for remote controller.
For reliable recording of rich video, the DMC-GH4 complies with UHS Speed Class 3 (U3) which is the new speed class standard of SD memory card. The UHS Speed Class 3 (U3) guarantees a constant minimum write speed of 30MB/s to respond to market needs for 4K video.
Time Lapse Shot / Stop Motion Animation
Time Lapse Shot and Stop Motion Animation are available for stationary observation for subjects or for producing a stop motion (stop frame) video with sequential pictures. Both can be produced in camera without needing postproduction process.
Luminance Level Adjustment
Just as the concept of "ultimate hybrid Digital Single Lens Mirrorless camera" identifies, the DMC-GH4 supports smooth postproduction for photographers newly challenging videography. In addition to the standard luminance level of 16-235* and 16-255*, DMC-GH4 offers 0-255* which is equivalent to photo standard.
For more practical control over focusing, the DMC-GH4 incorporates Focus Peaking function that shows the peak of focus in MF and AF+MF mode. Users can see the peaking of focus while monitoring the subject in live view. It can be set to HIGH / LOW / OFF and the color can also be changed to blue, white or orange according to the color of the shooting scene during live view. Users can take advantage of this function when controlling the camera with smartphone / tablet via Wi-Fi in both photo / video recording.
This mode switches shutter from mechanical to electronic and turns all sound (AF, operation) off while suppress emission of AF assist lamp and flash with just a single setting for special shooting occasions.
The Live View function is also advanced digitally making it possible to adjust highlight / shadow separately with the front/rear dial. 3 patterns of settings can be customized in addition to 3 patterns of preset.
RAW data development in Camera
The DMC-GH4 is capable of developing RAW image in camera. In addition to the color space setting ( sRGB / AdobeRGB ), the parameter of white balance, exposure compensation, contrast, highlight/shadow, saturation, noise reduction, sharpness or hue can be flexibly adjusted while LUMIX’s Photo Style, Intelligent D-range Control, Intelligent Resolution can also be applied.
It indicates overexposed area before / during shooting and the pattern can be output to the external monitor, too.
"CINELIKE D" and "CINELIKE V" are newly available for expressive tone like a cinema.
The Panasonic GH4 Product Video
*1 Motion image can be recorded up to 29 min 59 sec depending on the recording format and the camera’s sales area.
*2 Use SDXC/SDHC Memory Card compatible with UHS Speed Class 3 (U3) when using high bitrate video recording mode over 100 Mbps.
*3 In AFS, With LUMIX G VARIO 14-140mm / F3.5-5.6 ASPH. / POWER O.I.S. or LUMIX G X VARIO 12-35mm / F2.8 ASPH. / POWER O.I.S.
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