Tag Archives: released specs

Yi 4k+ Slow Motion Samples!

Yi 4k+ Slow Motion Samples

The Yi Technology Yi 4k+ has been shipping for a few days and now slow motion samples have been posted online. There is no question the Yi 4k+ is the best value in action cameras today with specs that reach 4k at 60fps and up to 240fps in 720p Wide mode.

There is, of course, a resolution decrease and softness increase when it reduces the frame size to extract frames but it is within the norm and very competitive image quality wise with GoPro Hero 5 and Sony Action cam.  There are nearly identical components inside the Yi 4k+ to other action cameras and the Ambarella H2 Chipset makes its debut on the Yi line with good performance.

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Panasonic GH5 Firmware 1.1 Allows 10 Bit 60p 1080!

Panasonic GH5 Firmware 1.1

The Panasonic GH5 ushered the era of 10-bit video recording on a portable prosumer interchangeable lens camera for the first time. Panasonic promised some features which at launch would not make the cut but would be added when firmware was released that would improve the spec sheet.  The new 1.1 version of the Firmware will enable 10bit recording on 1080p 24p, 25p, 29.98, 29.97p, 59.94p & 50p all at 100 Mbps.

While the camera offered 10 Bit recording at 4k from the get go it was not available above 29.97fps which left the 60fps 4k mode out in the cold for the increased color space. The update and all subsequent ones will also do not allow 10 Bit to be used above 30p in 4k so the 60fps UHD spec will remain at 4:2:0 8 Bit color.

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GH5 Slow Motion New Quality Footage!

GH5 Slow Motion

The Panasonic GH5 has been the camera darling of early 2017 for video enthusiasts and the addition of 120fps, 150fps and 180fps full HD was one of the most awaited features for the camera. Earlier footage showed a decrease in image quality when using higher frame rates on the camera and the appearance of moire and aliasing was evident. It was still far better than what the GH4s 96fps mode was able to do.

Recent new footage has re-examined the slow motion VFR mode and while there is a drop in quality the 180fps mode is still usable for many applications due to it retaining a lot of detail compared to other cameras.  The image is loosing quite a lot of resolution in the vertical so it will not be true full HD when you compare with the up to 60fps mode.

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GH5 Slow Motion Pre Production Samples!

GH5 Slow Motion

The Panasonic GH5 is gathering attention all over the camera world by making inroads into the professional video production space with it’s truly professional image quality 4:2:2 10 bit and video oriented workflow. There is already talk of the BBC being able to use it for productions and that is no small thing considering how demanding their image quality needs are.

We have gathered the few Full HD 180fps GH5 samples posted so far from pre production cameras so you can judge for yourself the quality delivered in this mode.  From what we can see it is quite good at holding detail and sharpness compared to the GH4 but it still suffers from some moire and aliasing due to line skipping happening at some stage in the capture process.

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Lumix GH5 10 Must See Videos!

Lumix GH5 VFR Mode Menu

Seems like the GH5 introduction has really made a splash on the web, TV tech news media and in enthusiast circles. The spec sheet alone is the most advanced of any DSLR or Mirror-less camera to date concerning the acquisition of professional video.  There is however one setting that does interest us more than any other and that is the  180fps VFR mode on 1080p resolution.

Slow motion samples are very hard to come by on this pre production camera for what seems to be an unofficial lock on that feature with testers according to some rumors. However we have learned that the feature is not locked and it is available to everyone on the test units but it requires UHS II U3 SDXC cards which many users simply did not have available.

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Yi 4k+ Leaves Slowmo Unchanged in HD!

Yi 4k+

The Xiaomi Yi 4k+ Camera announced today at CES is revolutionary just barely by it’s 4k 60fps spec which is ahead of all other action cameras in the market. However 1080p and 720p resolutions have not seen a bump in frame rates with the cameras still doing the same specs as last year’s Yi 4k camera which is in turn the same spec as the GoPro Hero 4, 5 and Sony X3000 Action cameras.

The YI 4K+ uses the newest Amba H2 SOC, the first 14nm video processing/encoding SOC part which is quite fast and on the spec list fast enough for 120fps at 4k on AVCHD encode.  This pixel rate is fast enough for 240fps at full 1080p or  480fps at 720p without maxing the system.  Yi 4k+ however has remained conservative due to hardware limitations in other areas like imaging sensor and memory allocation to just 4k 60p recording.

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