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Thread: Panasonic GH2 for video

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    Member nowherean's Avatar
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    Panasonic GH2 for video

    Im thinking about getting the GH2 for video and hacking it to enable better rates. Anyone here uses hacked GH2? What lenses do you use for video? It seems like Olympus makes better lenses but GH2 may be the best low budget video solution (once its hacked of course). Thanks in advance.


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    Senior Member hot's Avatar
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    Re: Panasonic GH2 for video

    Not hacking makes good video - it's necessary a GOOD man/woman behind camera !

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    Subscriber Member Jorgen Udvang's Avatar
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    Re: Panasonic GH2 for video

    The GH2 delivers rather good video also un-hacked. As for lenses, both Olympus and Panasonic have a few good ones, but Pana has more lenses optimized for video.

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    Re: Panasonic GH2 for video

    Quote Originally Posted by hot View Post
    Not hacking makes good video - it's necessary a GOOD man/woman behind camera !
    Very true.

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    Re: Panasonic GH2 for video

    jump onto the dvxuser ghx sub forum, you will get more answers and info there. i frequent it alot.

    I have patched mine to 34Mbit. stock 17Mb SHD and 24Mb FHD just doesn't cut it anymore. You will need to buy an ultra fast SD card in order to use the really high patches. Really keen on playing with the 40fps burst rate patches though. 1.9k res 10 sec goodness.

    I have most of the pana lenses. they are good for planned shots but for random on the go they are a pain because of the focus by wire and poor auto focus hunting. i resort to focus locking alot. the only decent one is the 14-140 which is made for video, it is a very good day lens. I use my zeiss glasses more for on the fly shooting but you loose OIS which does a great job at eliminating shake. the oly 45 f1.8 is surprisingly good at auto focus though, it doesn't hunt like the 20mm.

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    Senior Member hot's Avatar
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    Re: Panasonic GH2 for video

    haha - I have patched mine to 34Mbit


    Videos with most Canon cameras are 43 Mbps - these are 5.4 MBps = Class6!
    Faster cards are tricks from dealers to get your money.
    My cheap Transcend cards (Class6) are 1a for these Canon videos, for Lumix also of course.

    But imagination of men = holy.

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    Senior Member Tesselator's Avatar
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    Re: Panasonic GH2 for video

    My Class 10 cards are $20 for 8gigs so I guess they're not getting too much of my money. I've patched my GH1 to 55Mbps 24FPS and only class 10 cards work without stopping.

    For lenses there're the ones already mentioned here but I'd like to say that manual focus lenses are pretty nice for pretty cheap and some of the MF lenses have a lot more character than any of the 4/3 native offerings. If you go with MF lenses look into a follow focus rig and some shoulder riggings. There's a $30 shoulder-rig that looks pretty good here: http://www.youtube.com/watch?v=9rhJ-m3-Qa0 Some follow-focus rigs are pretty cheap as well. Older M42, C-Mount, and RangeFinder lenses have a stopless aperture ring which is nice! With only a small tweak many lenses can be made stopless.

    There are too many awesome MF lenses to start recommending one or two here and there. A lot of the selecting will have to do with your preferred focal range and your idea of good balance and operation.

    Have fun! Ask lots of questions!

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    Subscriber Member kit laughlin's Avatar
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    Re: Panasonic GH2 for video

    The GH2 with the latest firmware update (which includes a higher bit rate video capture, 1080p, 25fps, 24-bit) makes lovely 1080p video that look really great, with excellent handling of movement. I have only watched this on a high-rez quadcore MacBook Pro screen.

    I have seen tests which show the results of the even higher bit rate video that Vitaly's hacks allow, but I have not seen these shown on a pro. high rez video monitor, which is where I would expect to see any difference. Most people frequenting user's groups have not ever seen video on one of these expensive monitors and are commenting on YT or Vimeo conversions of the cameras' outputs and in my experience, you really can't make a judgement about what you're seeing using this method.

    For any work that will end up on a standard definition DVD (like my current work) 720p video is superb: we shoot in this format, edit in Apple ProRes 422, and down-convert and standards-convert the edited program from 720p to SD NTSC for the final DVD duplication.

    If you are planning lots of graphic effects post-production, or you are planning on converting your video to film at some point, then 1080p is preferable.

    Re. lenses: the Oly 45/1.8 is excellent, and so is the 20/1.7 (we do not record sound using the GH2; we do second system). I have heard that the 12/2 Oly is excellent too, and those three lenses will do all that we currently need. hth, kl

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    Re: Panasonic GH2 for video

    Quote Originally Posted by hot View Post
    haha - I have patched mine to 34Mbit


    Videos with most Canon cameras are 43 Mbps - these are 5.4 MBps = Class6!
    Faster cards are tricks from dealers to get your money.
    My cheap Transcend cards (Class6) are 1a for these Canon videos, for Lumix also of course.

    But imagination of men = holy.

    sorry but i dont get why you are laughing.

    yes canons fly around 43Mbit but they also use a different codec.

    on the old firmware it was 17Mbit (SHD and FHD) and 24Mbit cinema mode standard. at 44Mbit my panasonic class 6 and transcend (yes i know its a cheapo) class 10 cannot write fast enough and i get write speed error. 44Mbit worked fine though on my GH1, go figure. if you were to go with driftwoods 176Mbit patch there is no chance a class 6 will cut it. these high bitrate patches have been proven to work only on high write speed SD cards in the patch community. thinking otherwise and your just wasting your time.

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    Re: Panasonic GH2 for video

    Quote Originally Posted by MRfanny View Post
    sorry but i dont get why you are laughing.

    yes canons fly around 43Mbit but they also use a different codec.

    on the old firmware it was 17Mbit (SHD and FHD) and 24Mbit cinema mode standard. at 44Mbit my panasonic class 6 and transcend (yes i know its a cheapo) class 10 cannot write fast enough and i get write speed error. 44Mbit worked fine though on my GH1, go figure. if you were to go with driftwoods 176Mbit patch there is no chance a class 6 will cut it. these high bitrate patches have been proven to work only on high write speed SD cards in the patch community. thinking otherwise and your just wasting your time.
    I have played around with a number of patches - the cards make all the difference in the world. I ran Driftwood's 132 and it will work only on my fastest cards. It is silly to claim it is marketing hype.

    That said, IMO, the reason the GH2 MUST be hacked is to get the high ISO options for video. It makes for great B&W footage.

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    Subscriber Member kit laughlin's Avatar
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    Re: Panasonic GH2 for video

    GDI, I did not know that (the high ISO options); good to know.

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    Re: Panasonic GH2 for video

    So much info... I need to digest it all. Driftwood patch seems like a great way to convert this camera into a real beast. I take it, its no problem to patch GH2 with a later firmware. Ok, fast cards for all that bit-rate makes sense. Lenses, still not sure...


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    Contributing Editor ustein's Avatar
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    Re: Panasonic GH2 for video

    >That said, IMO, the reason the GH2 MUST be hacked is to get the high ISO options for video. It makes for great B&W footage.

    Where are some good instructions to add a moderate hack? 50Mbs or so?
    Uwe Steinmueller
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    Senior Member Y.B.Hudson III's Avatar
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    Re: Panasonic GH2 for video

    Yehh, Lenses? Well nowherean... Cooke has a very nice zoom, http://www.cookeoptics.com/cooke.nsf/products/cxx.html ...*



    *if you [email protected] afford it.


    But then... maybe a Holga might [email protected] your boat, and fit your budget. http://www.ebay.com/itm/New-Original...ht_1708wt_1114

    There are [email protected] thousands of lenses that can be adapted to meet your needs...

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    Senior Member kevinparis's Avatar
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    Re: Panasonic GH2 for video

    A new GH2 user here.... not seen a need to go the hacking route as yet... I am sure there is some benefits to it but there eis more than enough to learn about the camera and video making in general without adding extra variables into the equation.

    so far only really shot with the 20 and the 45/1.8... and have been pleased with the performance.

    you can see some of my early efforts here

    http://vimeo.com/user2196855/videos

    the first three videos all shot on unhacked GH2

    K

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    Contributing Editor ustein's Avatar
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    Re: Panasonic GH2 for video

    Kevin,

    check out this video and see the GH2 sample:

    http://vimeo.com/34279033

    The hacked GH2 holds up to top pro video cameras. That got me thinking big time. I am now looking to apply a moderate and safe hack.
    Uwe Steinmueller
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    Editor&Owner of Digital Outback Photo
    http://www.outbackphoto.com

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    Senior Member kevinparis's Avatar
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    Re: Panasonic GH2 for video

    uwe

    i had seen that.... my issue with the whole hacking thing is that I have yet to see an example where they actually 'show' what difference it makes rather than just telling me its better.

    As it stands the stock GH2 is a way more capable camera than I am a film maker :-)

    K

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    Contributing Editor ustein's Avatar
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    Re: Panasonic GH2 for video

    >As it stands the stock GH2 is a way more capable camera than I am a film maker :-)

    Same for me. But our landscape shots lust for details :-)
    Last edited by ustein; 31st December 2011 at 13:44.
    Uwe Steinmueller
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    Re: Panasonic GH2 for video

    Kevin, wasn't that Jono in the Lobster Dinner?? LOL

    I keep watching these threads. Don't have the Gh2 but the G3. Talked myself out of GH2 when I bought since I didn't think I would do video but now I'm so tempted.

    Quote Originally Posted by kevinparis View Post
    A new GH2 user here.... not seen a need to go the hacking route as yet... I am sure there is some benefits to it but there eis more than enough to learn about the camera and video making in general without adding extra variables into the equation.

    so far only really shot with the 20 and the 45/1.8... and have been pleased with the performance.

    you can see some of my early efforts here

    http://vimeo.com/user2196855/videos

    the first three videos all shot on unhacked GH2

    K

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    Senior Member kevinparis's Avatar
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    Re: Panasonic GH2 for video

    diane

    indeed that was jono....he passes our way every so often...which is wonderful.....though i'm sure he will now always try and stand behind me when I have a camera out !!!

    happy new year to all

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    Re: Panasonic GH2 for video

    the original reason for the upped bitrate was because of the macroblocking artifacts that appear on high detailed scenes when you quickly pan or move. this was due to the AVCHD being a variable codec so when nothing happens in the scene it drops its bitrate for efficiency sake to minimise file size, but when you suddenly move it gets ambushed and doesn't have enough bitrate to recover and it produces "mud" ugly smearing of the footage.

    a quick test to see for yourself is to shoot a bunch of trees/leaves/foliage on the stock firmware then whip it. more evident in the lower bitrate formats like SH and FSH that are only 17Mb stock. real life scenarios would be kids bday parties, sporting events, motorsports, anything with explosive movements really. so if you know you are not going to be filming anything like this then you will probably be happy with the stock firmware.

    the added bonus of higher bitrate is the retention in detail of the image, IQ just simply gets a whole lot better. You will not clearly see this on any youtube or vimeo clip unless you download the original files because it all gets re-encoded.

    Another thing to consider is do you film more in 720 or 1080, 24p or 25p(ntsc or pal).

    And yes, the high ISO video is amazing, especially in black and white. 12,800 anyone? lol link at the bottom of the link for more patching info

    http://www.eoshd.com/content/5248/la...ilm-like-grain

    uestine - I am currently trying out the Sanity patch which has 720 and 1080i at 44Mb (although i think 1080i might need to be dropped down alittle in order to work on slower cards) and 24p Cinema at 66Mb until i get a faster card.

    HAPPY NEW YEAR!

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    Contributing Editor ustein's Avatar
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    Re: Panasonic GH2 for video

    Quite confusing which hack to use and how to work. I hacked my GH1 and that seemed simpler.
    Uwe Steinmueller
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    Editor&Owner of Digital Outback Photo
    http://www.outbackphoto.com

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    Re: Panasonic GH2 for video

    Quote Originally Posted by ustein View Post
    Quite confusing which hack to use and how to work. I hacked my GH1 and that seemed simpler.
    it is the same process if you are already familiar, you just need the latest ptools and old firmware. there are just more people testing and providing their own working settings. just a matter of choosing one which is right for you, and i guess thats the hard part. =)

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    Contributing Editor ustein's Avatar
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    Re: Panasonic GH2 for video

    >just a matter of choosing one which is right for you, and i guess thats the hard part. =)

    Very much so. Would like a proven middle ground recipe.
    Uwe Steinmueller
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