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    EOSHD.com – Filmmaking Gear and Camera Reviews
    You are at:Home » Interview with Panasonic – raw HDMI output may be coming to future GH4 firmware plus anamorphic aspect ratios in firmware V2.0

    Interview with Panasonic – raw HDMI output may be coming to future GH4 firmware plus anamorphic aspect ratios in firmware V2.0

    Andrew Reid (EOSHD)By Andrew Reid (EOSHD)October 1, 2014 News 7 Mins Read

    Panasonic GH4 firmware update version 2.0 and 4K Photo Mode

    New firmware for the Panasonic adds higher vertical resolutions in various aspect ratios, making further use of the camera’s 4K video ability.

    For photographers also a brand new in-camera workflow is now available to extract high resolution stills from “4K Photo Mode”. For 4K video, resolution increases from 2160 lines in 16:9 for standard 4K to 2336 lines in 3:2, 2496 lines in 4:3 and an enormous 2880 lines in 1:1. By comparison the Red Dragon in 6K records up to 3160 lines vertically (2:1 aspect ratio). An anamorphic lens is needed to take advantage of the resolution gain in squarer aspect ratios such as 4:3 and 1:1. As a huge advocate of anamorphic at EOSHD, I’ll be testing this out very shortly with my collection (below). I’m expecting the results to be stunning.

    I caught up with Panasonic recently to discuss the firmware update and more…

    My collection of anamorphic lenses built up over the years
    Left to right: LOMO 35mm OCT 19, same in OCT 18, LOMO 80mm, Isco Centavision 2x (rare version), Kowa 18-Z, Iscorama 54, Iscorama 36, Panasonic LA7200 and a Kowa which was on loan from a friend at the time the picture was shot. Front filters are diopters for close focus.

    Interview with Panasonic

    Yoshiyuki Inoue, Senior Engineering Planner

    EOSHD: One of the new features of firmware V2.0 is 4K Photo Mode. How does it work?

    Inoue: The purpose is for easy to use 4K frames, it started as a promotion for 4K video and expanded. Some photographers requested some small changes, such as: “please [allow us to]change the aspect ratios…”

    EOSHD: So resolution actually expands vertically and contracts horizontally in different aspect ratios?

    Inoue: Yes. Almost the same [total resolution]in 3:2, 4:3 and 16:9 (8.3MP / 4K)

    EOSHD: [We look in the menus] Wow so 2880 in 1:1? So we can use an anamorphic lens and get 2.8K vertical. Very nice. Is it possible to shoot 24p?

    Inoue: This one is NTSC so shoots 30hz, and in PAL mode you can shoot 25hz. [Also] for stills photographer…[they can] use loop mode…

    (EOSHD notes: later in the day Matt Frazer of Panasonic in the US told me he was pushing hard for 24p in 4K photo mode so US anamorphic shooters could shoot at the cinema frame rate)

    A LOMO 35mm square front anamorphic lens
    A LOMO 35mm square front anamorphic lens
    LOMO square front anamorphic lenses are unreliable, old, rare, irreplaceable, heavy but truly beautiful
    LOMO square front anamorphic lenses are unreliable, old, rare, irreplaceable, heavy but truly beautiful

    https://vimeo.com/33047750

    Isco Centavision 2x anamorphic
    2x anamorphic on a 16:9 sensor produces an extremely wide 3.55:1 aspect ratio when the modern cinema standard is 2.4:1. Whilst I enjoy the look of both, the vertical resolution gain of the new GH4 firmware is very appealing along with the ability to get less extremely wide ratios with cinema 2x anamorphic lenses.

     

    LOMO Anamorphic Berlin
    A snap shot in Berlin by the river Spree, in photo mode on the GH2, with 2x stretch LOMO 35mm anamorphic
    Blade Runner anamorphic 3.55:1
    The anamorphic Cinemascope classic Blade Runner cropped to 3.55:1

    EOSHD: I can see how loop mode would be good for capturing unpredictable things like a lightning strike. Once you see it, you rewind and you have the still [like re-timing a shot in post, but in-camera and without hours of files to wade through].

    Does it allow raw capture too?

    Inoue: Ah raw recording this time we cannot do, but we have already understanding for raw movie capture, but the interface we need the external recorder. For 4K movie, we can only output 4K. If we only have 2K monitor and a 4K HDMI output they cannot ‘see’.

    EOSHD: So the raw HDMI output isn’t compatible with the external recorders? I know the Odyssey 7Q can take a raw output from the FS700. Maybe you can work with a manufacturer like Atomos, to update their firmware to take a raw output from the GH4?

    Inoue: Currently, it is not available but we have already received such a request from filmmakers, so we may have another firmware update for it after.

    Maybe you could compress raw and store 1080p on the SD card like the Blackmagic Cinema Camera (2:1 compression)? Just my feedback really.

    Well raw recording is also considered for our engineers. This is Photokina…so for this time we have a firmware structure for the stills photographer.

    The only other camera to shoot 4:3 for anamorphic is the Arri Alexa Studio (which Roger Deakins used on the latest Bond film Skyfall)

    Yes 4:3 anamorphic and 24p very suitable for the filmmaker.

    Yes it’s very high end. And the enthusiasts want to use it too. (See the EOSHD Anamorphic Forum)

    LA7200 anamorphic rig - Half Inch Rails handlebar, GH2 and Zacuto EVF.
    Panasonic’s last anamorphic lens the LA7200 was for the DVX100, seen here on the GH2. A 1.33x stretch to turn 4:3 into the TV widescreen format of 16:9.

    You know the HDMI cable is very wobbly for filmmakers, how about a hotshoe interface with a locking cable? Supply the video signal through the hotshoe then make a Panasonic video cable that goes into the hotshoe that is very secure.

    [They note feedback]

    So the LX100, it’s like your LC1 isn’t it?!

    Ah yes!

    [Continues with private feedback session]

    Panasonic's Inoue
    Inoue was a designer of the Four Thirds L1

    General advice for Panasonic on anamorphic

    The cinema anamorphic lens optical standard is 2x anamorphic. This refers to a 2:1 ratio of the optics wider horizontally than vertically. The anamorphic lens has an oval shaped aperture. The anamorphic packs a wider image into a standard frame, which in the days of silent film was 4:3.

    From 4:3, a 2x anamorphic gave a wide 2.66:1 aspect ratio image for widescreen cinema screens. Later with the invention of sound, the audio track reduced the area available for the image, making for a 2.55:1 aspect ratio for anamorphic. With the introduction of an optical audio track printed into the side of the Super 35mm frame, the width of the area available for the image shrank further to 1.37:1.

    From this even squarer area, the 2x anamorphic lens resulted in a 2.35:1 widescreen image known as Cinemascope. Today the digital anamorphic projection standard is 2.4:1 (technically 2.39:1).

    For any Panasonic camera to support the cinema anamorphic standard, the following features should be implemented:

    • Approx. 1.37:1 aspect ratio, alongside 4:3, 3:2 and 1:1
    • In-camera anamorphic live-view de-squeeze for 2x,1.5x and 1.33x lenses
    • In-camera anamorphic recording de-squeeze for 2x,1.5x and 1.33x lenses (to avoid doing it in post)
    • Labelling of anamorphic aspect ratios per recording aspect ratio (see below)

    In the camera menus, the user needs to know what the anamorphic aspect ratio is when they select their lens and recording aspect ratio. Thus for 2x anamorphic lenses:

    • 1.37:1 = 2.4:1 (Cinemascope standard and default option)
    • 4:3 = 2.66:1
    • 16:9 = 3.5:1

    Firmware update download

    Download V2.0 firmware for the GH4 at Panasonic here

    The procedure is to charge your battery fully so it shows 100% on the indicator when inserted into the camera, and to copy the .BIN firmware file onto your SD card. Then enter playback mode to start the update.

    For those interested in learning more about anamorphic shooting and the lenses available to enthusiasts and filmmakers, the EOSHD Anamorphic Shooter’s Guide is the book to get…

    Click here to find out more

    eoshd-anamorphic-shooters-guide

    anamorphic firmware gh4 inoue interview panasonic update v2.0
    Andrew Reid (EOSHD)
    • Website

    British filmmaker and editor of EOSHD. On this blog I share my creative and technical knowledge as I shoot.

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