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Wednesday, March 19, 2014 at 5:40 AM

The GH4 will go on sale in May. The body will cost $ 1,700 - more expensive than we thought, but still an attractive price. Optional Video Adapter ( DMW - yagh ) interface unit with a camera dock will cost $ 2,000. The older the GH3 still be available for sale.

Panasonic has posted a YouTube video in 4K, shot with two cameras and a variety of GH4 Lumix Micro Four Thirds lenses. The film was made by documentary filmmaker Bryan Harvey, and was shot in the Yucatan Peninsula, Mexico. See the video below.
Panasonix Lumix DMC-GH4
Panasonic has big ambitions for the new flagship mirrorless, Lumix GH4 - Hollywood major studios. It calls the camera " first Digital Single Lens Mirrorless ( DSLM ) world with 4K video recording capability. " Targeting the high-end Panasonic Micro Four Thirds camera is the pro filmmakers are using equipment like this for a living, as well as advanced enthusiasts looking to create a 4K home movies.

The GH4 looks and feels similar to its predecessor, GH3. But to push to the next level GH4, Panasonic says should overcome the weaknesses while the pursuit of quality. The area company that concentrates on image quality, autofocus, burst mode, live viewfinder, shutter speed, operation, and durability.

In the image quality department, GH4 use 16 - megapixel Live MOS sensor is a new Digital " in both the superior sensitivity and response and suppress the rolling shutter effect even when using an electronic shutter. " The new sensor is based on the one in GH3, but has been upgraded for faster readout speed to 4K.

Venus Engine image processor has also been improved. Using quad - core CPU, it can provide faster signal processing required to 4K. This processor is also pushing the ISO up to 25,600, and a burst mode up to 12 frames per second. The camera usually choke when you try to get into a high ISO, but Panasonic says the processor is designed to handle low - noise performance. This processor also has advanced noise - reduction for cleaner images. " Sensitivity, gradation performance, resolution, and color reproduction is dramatically increased to achieve higher image quality. "

With sensors and processors, Panasonic GH series has changed from the camera is still a filmmaking machine ( although there are many users who already shoot movies with Lumix cameras ). It can shoot 4K in two modes, Cinema 4K ( 4096 x 2160, 24 fps ) and standard qFHD 4K ( 3840 x 2160, 30 fps ), the latter good for a 4K TV.

If you are not ready to 4K, Full HD camera will handle fine. But because it is targeting pro users, there are also features that are designed for them. You can change the TV standard for different world regions in - camera ; records to external storage ( with this option, the camera can be set to record in 10 - bit.

The newly developed 16.05 - megapixel Live MOS Sensor Digital to GH4 excel both in sensitivity and response and suppress the rolling shutter effect even when using an electronic shutter. Venus Engine image processor has newly developed dramatically improve its performance with a quad - core CPU that enables high- speed signal processing is required to record 4K video rich.

Integrating superior noise reduction system, GH4 allows shooting at a maximum of ISO 25,600. Sensitivity, gradation performance, resolution and color reproduction is dramatically improved to achieve higher image quality. The GH4 offer high- speed burst shooting 12 frames per second ( AFS ) up to approx.40 ( including RAW ) / approx.100 ( including RAW ) and 7.0 fps ( AFC ) to capture fast-moving subjects.

Lumix DMC - GH4, has a number of features and technology enhancements in the old body that offers something for everyone : 4K video and the new autofocus system with improved performance continuous - shooting only highlights.

For all combinations of video frame rate, bit rate, audio format, and file format camera is capable of shooting, you should consult with the Panasonic website : I think there are 36, not including options for a new variable - frame-rate ( 0.25 x 4x ) HD video. This is the first prosumer models offer 4K Cinema ( C4K, 4,096 x2, 160 ) in addition to 4K Quad HD ( QHD, 3,840 x2, 160 ), and especially the support of potential extra - high -quality HD, then 04:02:02 10 - bit output with a bit rate of 200Mbps on all major frame rates.

He also added a high -quality All- I codec besides interframe compression, although I do not support the All - good for 4K standard. In contrast to GH3, GH4 supports the video standards multinational in one camera. The new video -related features include color and audio reference signal, zebras, and 15 - step master pedestal arrangement.

Speaking of accessories, Panasonic also announced the shotgun mic and mic support for several features of the zoom on the camera to go along with it. To support 4K, Panasonic must incorporate new sensor with a faster reading rate, in this case half of the GH3 sensor. In conjunction with the latest iteration of the Venus Engine image - processing chip Panasonic claims dyamic wider variety and decrease rolling shutter.

Although it uses the same metering system as the previous model as GX7, which GH4 debut new autofocus system, a combination of traditional contrast AF and DFD, or depth of defocus. In theory, when the characteristics of the lens and the camera knows the deviation - from - the focus of the two planes parallel to the plane of focus, can calculate the location of in-focus areas faster than it can iterate using plain old contrast AF.

So use DFD to make a rough calculation and then fine- tunes the contrast AF. GH4 can shoot 4K in 30/25/24fps at 100Mbps using ALL- Intra compression. At 1080p, which rose far beyond the standard broadcast to 200Mbps. It is thanks to the brand new Live MOS sensor and Venus Engine IX latest 16.05MP much stronger than before.

Panasonic Lumix DMC-GH4 having following pros and cons :
Panasonic Lumix DMC-GH4 having following pros :
  • MOS Sensor.
  • World's First*1 4K video Recording
  • NFC
  • Good battery life.
Panasonic Lumix DMC-GH4 having following cons :

  • No cons today.
Panasonic Lumix DMC-GH4 having follwing specs and features :
Panasonic Lumix DMC-GH4 having following specs :
  • Type : Digital Single Lens Mirrorless camera.
  • Effective pixels : 16.05 megapixels.
  • Battery : Li-ion Battery Pack (7.3V, 1860Mah, 14Wh).
  • Digital Zoom : 2x, 4x.
Panasonic Lumix DMC-GH4 having following features :
  • Superb Picture Quality for lifelike Textures.
  • Live MOS Sensor.
  • 4K.
  • Contrast AF with DFD Technology.
See Panasonic Lumix DMC-GH4 specs more clearly (Panasonic Lumix DMC-GH4).
See Panasonic Lumix DMC-GH4 features more clearly (Panasonic Lumix DMC-GH4).
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