http://www.personal-view.com/talks/discussions/tagged/gh13/p2/feed.rss Tue, 07 May 24 04:58:58 +0000 Tagged with gh13 - Personal View Talks en-CA http://www.personal-view.com/talks/discussion/1557/new-commercial-shot-on-two-hacked-gh1s-gh13-gh17. Fri, 25 Nov 2011 18:14:42 +0000 pixelphile 1557@/talks/discussions
Check out my latest commercial shot on two hacked GH1's (GH13, GH17). The camera did freeze on the really wide shot, but after I opened up a bit, the write errors went away.

http://www.crashthesuperbowl.com/#/gallery?video=16876

I was using my "Pixelphile Indy Filmmaker Settings" that I did step by step tutorials for a couple of months ago.

http://www.personal-view.com/talks/discussion/comment/11028#Comment_11028

Shot on a two hacked Panasonic GH1's at ISO 100, 23.976 fps, with a Vivitar 17mm f3.5, Canon FD 20mm f2.8, Canon FL 35mm f2.5, Canon FL 55mm f1.2, Rainbow Imaging FL/FD Adapter and LightCraft Workshop Fader ND.

Hope you like it.

Michael "Pixelphile"]]> http://www.personal-view.com/talks/discussion/1605/asher-roth-feat.-akon-music-video-shot-with-gh13 Wed, 30 Nov 2011 23:04:40 +0000 magnus387 1605@/talks/discussions
I shot this video at the end of July with a GH13 and a Red Mx. All of the body mounted shots that you see of the artist running around in were done with the GH13.

The concept of the video was inspired by graphic novels, and a bleeding of reality with dynamic illustrations. As a result I attempted to give the footage an HDR, almost drawn-in look. Enjoy!

]]> http://www.personal-view.com/talks/discussion/1686/not-a-test-video-gh13-handheld-hong-kong Thu, 08 Dec 2011 16:59:55 +0000 Rambo 1686@/talks/discussions
Hand held GH13 with the awesome Lpowell 75 Peak performance patch.
All 14 - 140 kit lens with ND4
Shot 720p 50fps in Creative Movie mode/shutter priority 1/100
No Tripod or post stabilization used
Graded in Sony Vegas Pro

Basically, i set zoom, press the lock AF/AE button (which snaps focus sets Exposure) and press video record button.
The Gh1 did a pretty good job considering the challenging lighting conditions (haze) and amount of movement. Jello is hard to find.

If you love Hong Kong, the scenic views from the circumnavigation of HK Island will delight you.

Cheers R

]]> http://www.personal-view.com/talks/discussion/1611/iso-limit-removement-patch-problem-on-gh1-ptools-3.63d-071111 Thu, 01 Dec 2011 15:21:12 +0000 Asiertxu 1611@/talks/discussions
This is my first post here but I´ve been playing alot with ALL versions of Ptools since it got available!
So THANKS ALOT VK!

The other day I got the chance to play with the new version of Ptools and tick the "ISO Limit Removement" check box.
The patch is not working well and saw some strange things...
All looked right as ever in the ISO area in ( Creative Movie mode). You can select the ISO you want but when you
you press the recording button, the camera inmediatelly passes to AUTO ISO mode, so the ISO value you selected is not working anymore.
I perceived some strange behaivour as well. When I changed shutter speed to high values as 100/s and above to 4000/s
all looking right but just pressing recording button the picture brightness starts to oscilate constantly...

Hope this helps to the hack improvement!
THANKS again for your efforts guys!!

Cheers,
Asier.]]> http://www.personal-view.com/talks/discussion/1496/cutting-gh-footage-with-hdc-sd800-600-on-bh- Sat, 19 Nov 2011 21:00:38 +0000 Blackout 1496@/talks/discussions
http://www.bhphotovideo.com/c/product/749854-REG/Panasonic_HDC_SD800K_HDC_SD800_High_Definition_3MOS.html

It outputs a non messed up uncompressed hdmi 1080 60p signa - yes - full 60-P which apparently even the af-100 doesn't do...l and it's $600

WTF?

What am I missing here? Why this ability on these cheap cams and not our beloved GHs and AF?


Yeah, I know it's not a hdslr but for livestream events I could get a couple of them to be able to cut to just for some different angles,
it also has a 1080p 24p mode we all love - but I don't know how it looks compared to gh13 & gh2 footage.

Anyone have this thing? I mean... $600... full uncompressed hdmi out with none of the BS panasonic is doing with the GH2s hdmi out?]]> http://www.personal-view.com/talks/discussion/1427/is-it-possible-to-record-1080x2581-2.391-avchd-with-gh13-or-gh2- Fri, 11 Nov 2011 17:24:30 +0000 kronstadt 1427@/talks/discussions The 2X crop factor is the greatest annoyance with GH1 and GH2, which also means that a whole lot needs to be spent on super wide lenses in order to get a shot just wide enough. One way to battle that is to use Anamorphic adaptors, and those cost an arm and a leg, and are very difficult to handle (imagine follow-focusing both the lens and the anamorphic adaptor simultaneously; or imagine having to remove and re-attach the anamorphic adapter every time you change a lens).

It is possible to record AVCHD 1080p (height). But what is the maximum WIDTH of the video that can be recorded with GH13 and GH2? Are we limited to 1920, or is it possible to go wider with some sort of a hack/patch? Would it be possible to record 1080x2581 for example? That's the industry standard 2.39:1 aspect ratio that we get in most Hollywood and DVD productions these days.

If it would be possible, it would mean that those folks who don't have the fortune to afford anamorphic lenses, can still use their existing lenses and produce a picture that is at least in the same aspect ratio as cinema standard (albeit without the oouie flares and anamorphic bokeh). The other major benefit would be that a 20mm lens can be used as a ~27mm, rather than a 40mm.

Is it currently possible? if not, is it in development?
]]> http://www.personal-view.com/talks/discussion/1423/422-color-sampling-for-gh13-in-avchd-1080p-23.97fps Fri, 11 Nov 2011 14:27:02 +0000 kronstadt 1423@/talks/discussions I'm wondering about the roadmap of future developments for the GH13 hack. I'm a relative newbie, so if this question sounds stupid, just say so.

I noticed that for MPEG there's a checkbox for 4:2:2 color sampling. And MPEG videos (with Powell's 100mbps and with Blackout-Powell's patch) do look somewhat richer in color. The trouble is that MPEG does not come in 1080p 23.976fps.

So I'm wondering, Vitaliy, do you plan to introduce 4:2:2 color sampling also for AVCHD in 1080p24 ??? (would be awesome to have this)]]> http://www.personal-view.com/talks/discussion/1402/how-to-get-higher-bit-rates-and-true-24fps-with-gh13- Wed, 09 Nov 2011 17:57:42 +0000 kronstadt 1402@/talks/discussions
(long time reader, first time joiner/poster)

So I came back from London with 4 hours worth of lens-test footage - mostly night-shoots and hand-held. This was my first shoot with my Gh1 re-born as a Gh13 after I applied the hack with LPowell 100mbps settings, with Overall Bitrate set at 108,000,000. I shot everything in FHD AVCHD, on 32GB class 10 Transcend cards. As far as I can remember, my Gh13 never crashed or frose.

The footage looks great, but it's not as "mind-blowing" as I expected.

Once I came back I got a software called Mediainfo (free from SourceForge), so as to check bit-rates, fps etc (great simple software). And I was pretty upset to find out that most of my videos are in 25fps (NOT 24fps or 23.976fps as I expected) and have bit-rates ranging from 15 to 20mbps. Is this normal??? I mean where's the 100mbps? or at least the 50mbps? Am I missing something?

So , how can I make those videos be capturing in TRUE 24fps with bit-rates as high as 40, 50, or even 86mbps, or even higher???

Many Thanks in advance for your advices and suggestions.

PS: a personal message to Vitaliy Kiselev:
Vitaliy, ti GENIJ!!! Molodchina chto smog vzlomat' Gh1, Gh2 itd. Ti dal mnogo vozmozhnostei massam, snimat nastoyaschee KIHO. Tak derzhat', bratuxa! Salyut ot byvshego Sovka. i ogromnoe SPASIBO!]]> http://www.personal-view.com/talks/discussion/1382/fs-gh1-body Mon, 07 Nov 2011 06:13:09 +0000 LongJohnSilver 1382@/talks/discussions a GH2 is coming so I would sell my current GH1 body already hacked.
The camera is in good condition and it's in Rome, Italy. I will ship in Europe.

Here you will find a set of photos of the camera and accessories:

http://www.flickr.com/photos/dbdavide/sets/72157628073437056/

For the price, make me an offer. PM are welcome!

Davide]]> http://www.personal-view.com/talks/discussion/1254/just-created-a-short-film-using-gh13-the-enemy-is-at-your-heels Sun, 23 Oct 2011 22:11:31 +0000 spaceandtime 1254@/talks/discussions

]]> http://www.personal-view.com/talks/discussion/1006/gh13-11-aspect-ratio-display-on-lcdevf-working Thu, 22 Sep 2011 01:08:30 +0000 stoney 1006@/talks/discussions
GH2VK having no such issue.]]> http://www.personal-view.com/talks/discussion/852/gh13-concert-and-event-settings-24p-with-file-spanning Sun, 04 Sep 2011 17:22:19 +0000 DrDave 852@/talks/discussions Although not always high art, I get a lot of requests to video a show, concert, event, wedding, etc., and these events typically are indoors, with poor or varied lighting.
Sometimes these events run several hours. And for these events, I sometimes prefer the IQ of the GH13 over the GH2, at ISO 400-1000.
My requirements are:
24p for easy editing in Premiere and others. Premiere offers real time playback and effects with Mercury engine.
Reasonably good IQ, regardless of the bitrate
Minimal pulsing (some ppl don't see it but it drives me nuts)
Fine grain at ISO 800 and usable 1600
File spanning, in case I need continuous coverage
Smooth transitions in shadows, given the limitations of the camera.
Ability to use F/5.6 on a sharp lens in places that have good lighting
Good IQ and grain with lens wide open in bad lighting.
Plays back in camera so the highlights ("overs") can be checked, and also IQ checked on a monitor.
Static scene bit rate 0f 20-24, typical of events and shows, or stages where there are a lot of fixed objects or open space
Works on a Transcend 32gb Class 10 card or better

First off, I would like to acknowledge all those who have done the real work, including Vitaliy, cbrandin, lpowell, blackout, rigs, and many more.
Basis line: my starting point was the BP patch and lpowell's amazing high reliabilty patch. The HR patch has really served me well. It file spans reasonably well, has great IQ. It does not of course have 24p (hence the reliable part). The BP patch is also great, and is 24p, but did not span reliably. Another issue is that high bitrate patches often give low rates in low light. And theatre lighting with F/5.6 would occasionally lock up at 24p.
Along came the rigs patch, which gives HIGH rates in low light and static scenes. My static scene bit rates doubled. Also, pulsing in shadow areas is minimized.I made three changes to this patch. First, I used the suggestion to raise the buffer to 84. Next, I lowered the overall bitrate in the regular section to 36 and the minimum to 22. I found that I could not see a big difference in static scene rates of 24 as opposed to the 33 I was getting in Rigs. Also, after a certain point it seemed that noise in shadow areas became slightly more visible after the bitrate exceeded 24.
So far, in three days of testing, quality is good, file spanning is good and I get a solid 24 minutes per 4 gig chunk on my card--the reasonably priced Transcend 32gb. Mileage plus.

Like all 24p patches, I suspect it will crash, so those who really need reliability should go for lpowell's high reliability patch. As with all patches, use at your own risk.
I'm sure those better versed in the subtleties of the patch can make a better one, and I welcome suggestions.

The zip file has the most conservative version of the patch. I will try to bump the bit rate up ten percent with the same stability,and also work on possibly a GOP of 8 or 6.]]> http://www.personal-view.com/talks/discussion/357/gh1-720p-video-and-audio-settings Fri, 08 Jul 2011 17:35:12 +0000 Davide_NYC 357@/talks/discussions
I just purchased a GH1 which I intend to use with a bunch of old Nikon lenses.

Having older computers I've always had trouble with full HD anything so for the time being I'm not interested in 1080anything.

I would like to create the best possible 720p60 files recorded onto Class 10 cards with absolute reliability.

My intended use case is recording for longer periods of time in a variety of documentary / journalism type environments. Therefor reliability is far more important than quality. That being said I'd still like to increase the quality of the 720p60 video if possible.

Would anyone be willing to share their 720p60 settings with me?

]]> http://www.personal-view.com/talks/discussion/175/video-panasonic-gh1-100mbps-hack-test Sat, 04 Jun 2011 03:59:41 +0000 tomb 175@/talks/discussions Thanks for all your hard work Vitaliy!!!

This test was filmed using an "unhackable" Panasonic GH1. The model GH1 I had was "unhackable" until its firmware was recently hacked again by Vitaliy Kiselev. The hack was made available on May 29, 2011, using PTool 3.55d.

The hack profile settings I used for this video allow the camera to record file speeds of up to 100Mbps. This setting is not meant to be used all the time as it may cause the camera to cease recording when filming extremely detailed scenes like foliage. So to test this, I filmed...some foliage.

Most of my foliage shots (and a few shots of my beagles) were under 30 seconds. Some people report that their camera shut down after only 6-10 seconds of filming foliage with the 100Mbps patch. My camera did not give me any problems at all with the 100Mbps patch, though.

I checked out the video MTS clip files with MediaInfo and the "Maximum Overall Bitrate" is listed at 108 Mbps. Keep in mind that this doesn't actually mean that the file actually ever hit 108Mbps.
LPowell explains this :
"The 108Mbps figure that MediaInfo reports is metadata recorded in the file header by the AVCHD encoder. This tells the decoder in advance the maximum bitrate it must be prepared to decode. In practice, I have only rarely seen peak bitrates exceed 100Mbps in test files I've shot with the Max Latitude Patch. The 1-17Mbps readings are running average bitrates, which can range up to 40-50Mbps. The GH1's AVCHD encoder begins each clip with a key frame encoded with a low bitrate which then increases over time, and varies depending on the complexity of the subject matter."

Also - I wanted to test the GH1 with my Canon 70-200mm f/2.8L zoom lens. I attached the lens to my GH1 via a $30 Fotodiox EOS-MFT lens adapter.

Note that my copy of the Panasonic GH1 has some banding issues. The serial number on my camera starts with WE0G****, which means it's manufacture date was July 2010. Supposedly, the GH1 can be purchased brand new and with manufacture dates as recent as March 2011. The newer the manufacture date, the less the banding is supposed to be.

The next 2 tests that I will do with my newly hacked GH1 and it's 100Mbps patch are the following:
1. Grass shot, locked down on tripod.
2. Star chart test.
For both of these high-detail tests I will let the camera roll for as long as it will roll. I will also be using a sharp, wider Canon L series lens. My goal is to see how long of a shot I can get before the bitrate goes too high for the camera, buffer or SDHC card to handle.

Also - soon I will be posting some footage with the Canon L Series lenses and my Panasonic GH2. Then we can compare the quality of the hacked GH1, and the unhacked, newer GH2.

Then finally, when Vitaliy hacks the GH2, I'll post footage of the hacked GH2!

- - - - - - - - -

EQUIPMENT, Etc:

Camera: Panasonic GH1
Serial: WE0G****
Hacked Firmware: 100Mbps Max Latitude Patch V2
Film Style: "SMOOTH" (-2, -2, 0, 0)

SDHC Card: 32GB Transcend (Class 10)

Lens: Canon 70-200mm f/2.8L
Aperture: 2.8 (because the Canon EOS lens system does NOT have a MANUAL aperture, the aperture has to be set on a Canon EOS camera body...then taken off and attached to the GH1, and used with whatever aperture was set on the EOS body).
Shutter speed: Varies due to having to keep the aperture at 2.8
ISO: 160 exterior shots...between 400-640 indoor shots

CC: FCP 3-Way Color Correction (only used to correct exposure...I didn't have my LCD brightness set proper when recording)]]>