Updated version: 17.36 GMT Described by Panasonic as a semi-professional ‘creative HD hybrid’ and a flagship model for the company, the Panasonic GH3 is finally here – 2 years after the GH2 arrived. The official unveiling answers some of the mysteries too.
Browsing: codec
Photokina is less than a month away now and it is going to be a busy time. I will be there to get my hands on the new cameras, and I don’t think I can remember a month like this with such exciting products being released. Sony’s full frame camcorder the VG-900 will have a mirrorless mount, all in a video camera form factor for ÂŁ2.5k and of course we…
Canon are developing their own RAW codec for 2K and 4K video. In a patent filed in July 2010 and published yesterday, Canon describe a codec which stores raw sensor data from a 12bit high resolution RGB sensor with Bayer colour filter array.
Canon are rumored to be working on a new codec for the 5D Mark III based on the MPEG format. It is the DSLR version of the codec used in the XF305. It will feature a 4-2-2 colour space and a variable bit rate, up to 50mbit. The move is necessary to avoid paying AVCHD / H.264 licensing fees to Panasonic and Sony.
Image above is softened by my content management system’s JPEG compression. View the full 1080p GH1 frame (44mbit AVCHD) and Crew.tv’s Panasonic AF100 frame (100Mbit AVC-Intra) here Do DSLRs really lack resolution compared to professional cameras? In the technical sense, yes. But in practical terms, not really.
Crews.tv have offered up full resolution frame grabs of the unfinished AF100’s compressed 24Mbit AVCHD codec against 100Mbit AVC-Intra (the latter via the camera’s HD-SDI output). With Philip Bloom generating some excitement over the over-cranked 60p capability along with what I expect will be some knock out footage shot in London anticipation over the camera is high and it’s not even finished yet!
Above – GH2 circuitry and sensor unit, whole camera exploded view, Photokina Cologne, Germany. Discuss this and more on our new GH2 forum When the GH1 was released in 2009, for nearly a year we had a camera with a very poor codec until the hack situation turned this around. Footage would turn to mud on fast motion or whip pans, sometimes even gentle handheld shots depending on the lens…
[vimeo]11668007[/vimeo] The first ever NEX5 video on Vimeo isn’t a looker, but it does help confirm one important advantage over GH1. Even with all that shaky and awful camera work, there aren’t any issues with mud! If you’re interested in a more scientific approach than that, and dotting the I, P and B’s, this fact is also confirmed by our friend Vitaliy who has been analysing the I,P,B frames of…