At full resolution, the RED EPIC WEAPON HELIUM 8K camera has 35.4 megapixels. With advanced Helium sensors, EPIC-W has a higher sensitivity in low light and a dynamic range wider than its predecessors. Data speeds up to 275 MB / S.
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The RED EPIC-W HELIUM 8K cinema camera provides the maximum recording resolution available in the whole videography market. It is able to record each shot in two different formats simultaneously, choosing among REDCODE RAW (up to 8K), Apple Prores (up to 4k) and DNxHD/HR (up to 4k).
Red Helium 8k S35 Sensor
The RED EPIC W HELIUM 8K has the brand new Helium™ CMOS 35,4 Mpx sensor. It has 8192x4230 effective pixels in a 29,90mm x 15,77mm surface (with a diagonal distance of 33,80mm). In the words of RED, it is able to provide a dynamic range of about +16,5 T-stops and transmission speeds of over 300Mb/sec using the 428 Gb or 1T RED MINI-MAG. It is also able to capture 75fps when recording 8K video and up to 300fps choosing 2K resolution.
Red Helium 8k - Recording formats
Videos are recorded in R3D format by default. This file extension created by RED provides an efficient and easy to manage RAW file with 16-bit per pixel. Manageability is achieved via REDCODE codec, a RAW files compression algorithm without quality or dynamic range loss. This codec is adjustable in compression (at a 2:1 ratio the image will be less compressed than at a 22:1 ratio).
When recording, RED HELIUM captures RAW files in an independent way. This means that parameters such us ISO sesibility, color temperature or gamma are registered as metadata and thus they are not reflected in the file.
Among other characteristics, what trully makes this new RED generation of cameras stand out is the fact that they allow two aditional recording formats that were not included in previous releases: Apple ProRes and Avid DNxHD/HR; furthermore, it is possible to record a R3D file and a ProRes or DNxHD/HR file simultaneously.
Apple ProRes recording (.mov) is only available when selecting the Continous Record mode or the Motion+Still mode.
It is necessary to use either the Quicktime or the AppleProRes 422, 422 HQ or 422 LT codecs in order to record ProRes 4K video. Any resolution may be chosen for this purpose: the result will be a 4K or 2K scaled file (depending on the option selected in the codec menu). The resulting clip won’t be cropped. If the selected codec is Apple ProRes 4K and the selected resolution was smaller than 4K, the camera will change the file resolution to 2K.
It is not possible to record Apple ProRes when using 4K FF (full frame) dual recording (R3D+Apple ProRes) or when using the prerecord option.
As with Apple ProRes recording, it is only possible to record Apple ProRes y DNxHD/HR when selecting the Continous Record mode or the Motion+Still mode.
Again, any EPIC-W HELIUM 8K available resolution may be selected but the camera will deliver a 2K or 4K file depending on the option selected in the codec menu: if the resolution is smaller than 4K and the DNxHD/HR 4K codec is selected the camera will automatically generate a DNxHD/HR 2K file. The image won’t be cropped.
The high dynamic range technique (HDR) is fairly known in still photography, and for some time it has been available in video too with HDRX.
This process is achieved by recording two different images simultaneously, where one will be regularly exposed (the A-track) and the other will be underexposed (the X-track) using a higher shutter speed in order to keep information from the highlights. The RED technology provides a recording method that avoids time gaps between the A-track and the X-track, removing motion track issues. The exposure difference between X-track and A-track can be set through the HDRX menu (from 2 to 6 T-stops). Either one of the two tracks can be chosen as the one to be displayed (the chosen one would be the ProRes or DNxHD/HR file when shooting in dual recording mode).
In the words of RED, HDRX recording increases the HELIUM dynamic range in 6 stops.
The Magic Motion tool in the REDCINE-X postproduction software combines both images using the sharpness reference of the X-track (which will have a smaller amount of motion blur due to its faster shutter speed) and adding the motion blur of the A-track as desired, allowing for an aditional slight control over the motion blur and giving as a result a high dynamic range image.
Red Helium 8k DSMC2 and wireless connections
RED keeps commited to delivering light and compact designs. In this last generation of cameras, the module system has been improved even further adding the DSMC 2 technology: camera modules that get coupled without cables and that are compatible with any RED camera released after RED Raven.
RED EPIC-W HELIUM 8K features a REDLINK Command Protocol (RCP) WiFi connection system that allows communication between a smartphone or computer and the camera. This signal may be affected by other interferences generated in the set (just like any other wireless accessory in the market).
You can link your device to the camera either directly connecting to the camera’s WiFi or connecting both the camera and the device to the same WiFi network. In order to be able to control de camera wirelessly using a smartphone it is required to download the Foolcontrol App (available on IOS and Android) (download it here)
Red Helium 8k Workflow
RED strongly recommends downloading the REDCINE X-PRO software package when shooting with RED cameras. It consists on a series of software applications designed specifically to transcode and manage R3D files. With it the images can be transcoded, scaled, reframed or even color-corrected preserving the RAW file.
Mejor rendimiento en las Bajas luces
Me ha sorprendido positivamente esta actualización de Red, mejores resultados en las bajas luces. Aunque para proyectos largos no creo que sea una buena solución. Sigue siendo necesario rodar a máxima resolución ó de lo contrario sufriremos el factor de cropeo. Perdiendo los angulares o asumiendo un gran gasto en almacenamiento.