|
Quote:
|
Quote:
|
Barry Green posted frame-grabs of footage with lots of diagonals, and they did not have any clear stair-step issues. You can go over there and see for yourself. The frame-grab from Barry's footage that you attached doesn't show any stair-step issues; the problem with it is an artifact of compression, both of color space and of the video codec, presumably.
Still, these artifacts are simply unnoticeable in a motion clip. I remember that soon after Laforet posted "Reverie," people at Reduser.net dissected it and were able to find some very unflattering frames that showed the compression at its worst. And this is H.264 at 40 Mbps, which should be more than two times better than XDCAM EX! Yet those artifacts aren't noticeable in motion either. You're going to get minor imperfections like these in any camcorder under $5K, at least, so fretting about them is pointless. It's like you're really trying hard to find stuff wrong with the GH1 and what it can do. |
Quote:
I think people are just trying to evaluate the camera's performance (including its potential weaknesses) in order to make an informed decision about whether to place an order; at least that's true in my case. I have a 5D mkII - within a week of purchasing it I posted clips on Vimeo highlighting moire issues, flicker under 50hz lighting, and the level of jello effect. I love shooting with the 5D - everyone knows it can make pretty pictures, but I posted those videos to help people see what they're getting into, and whether the shortcomings are ones they can live with/work around. Likewise with the GH1, clearly it can produce pretty pictures, but I want to know what its limits are, where the camera shines, where it struggles. Living in a Pal country I'm keen to see the GH1 perform well because the 5D's lack of 25p is a real pain. But I only want to place an order once I'm comfortable with how far the codec can be pushed, what level of artifacts are produced, and so on. I'm not expecting miracles, just something I can work with in most situations. In the footage posted so far there are instances of the GH1 looking great, but other times it seems to struggle. I'm yet to determine whether in the latter cases it was operator error, a problem with how my computer is handling the master files, or real limitations of the codec/compression rate. If this camera's a winner, I'm thinking of selling the 5D and buying two... in the mean time I'm very keen to find out what the GH1's foibles may be. |
Quote:
It's early to tell but for shooting video on DSLR, I think the GH1 is a generation ahead. We still don't know at what point the codec breaks but I've looked at all the footage and user info - a couple of seasoned hands have the camera in hand now. The camera is capable of beautiful footage, manual control is just as we want, jello is EX1/Red One level, picture controls appear to be at least Canon/Nikon level with custom settings. Bottom line, is unlike the D90/5D Mk II (and my HV30 for that matter), you don't have to fight the camera to shoot. Barring some shocking revelation, I'm buying one for my primary camera and ditching my HV30. |
Lots of tree shots with a leica lens.
http://www.youtube.com/watch?v=tPMo9LwYUug |
Quote:
The people who were nitpicking the "Reverie" footage, clearly seemed to me to have an agenda on their minds. It felt like they were belittling a product that was never truly intended to compete with the object of their cult-like worship (and I, as a RED fanboy, count myself as one of them). Luckily, someone else on the forum then chastised them and posted a more representative screen-grab. The point is that objective people would try to place every observation in context, rather than trying to use nitpicks to build a slanted case against something. You can't cherry pick from the worst case scenario just to say, "OMG look how bad it is!" So what I was trying to do was put Steev's example into the proper context, which is simply that whatever artifacts he was seeing weren't as bad as those often seen in D90 and 5D Mk II footage, nor were they representative of GH1 footage in general. Aside from the screen-grab from Barry's clip, I had to look really hard before I saw what he was seeing. This indicates that the stair-stepping artifacts are practically negligible. Steev, on the other hand, has made no attempt to qualify his examples. His wording seems to suggest that he's trying to place the flaws in the GH1 footage on the same level as those from the D90 and 5D Mk II (in other words, he's making a big deal out of it), which is not borne out by the evidence. I also happen to be a 5D Mk II owner, and I was intending on keeping my camera for at least a few months. Only in the last couple of days have I been slowly won over by the GH1. It hasn't been easy; I still love my 5D even with its limitations. I gave myself over to the GH1 after making a concerted effort to be fair to its capabilities. In my opinion, would the GH1 produce images as nice as the 5D? Probably not. But the small hit to picture quality (and, let's face it, ego) is outweighed by the massive gains everywhere else. Steev is someone who has admitted that he's in love with the 5D's images and is absolutely partial to them. Good for him. But that doesn't mean that he should present a distorted assessment of the GH1's limitations to everyone else. |
Fei, I respect what you're saying. Truth be told, I posted that I ruled the GH1 out and pulled the trigger on the 5DMkII. It helped to finally make the purchase. However, I have since felt like I'll probably end up owning both!
What I was reporting was my alarm at finding this stair-case/stair-stepping in HF S100 footage, and looked for similarity in GH1 footage and saw it. However, with closer investigation I believe this artifact is coming from something other than the video being wrapped in 1080i. So my 1080i theory is flat out wrong. And that is good! However, this GH1 file is what gave me alarm: http://www.holyzoo.com/content/dslr/...24_205752.m2ts Screenshot - http://www.holyzoo.com/content/dslr/20090424_205752.jpg The stairstepping is pretty bad. So again, I was wrong about this being a 1080i thing. It's something else going on. To echo Josh's thoughts, yes, these cameras are subject to brutal scrutiny. For the record, this clip finally got me pretty impressed with the GH1: YouTube - Test: Panasonic LUMIX DMC-GH1 - Pt.1 So, I'm continuing to check these threads. To Fei's point, I'll try to be objective, but that doesn't mean I'm not going to compare it to other cameras, including the 5DMkII. For instance, what none of these cameras can manage to compete with is a global shutter-based camera. If I know strobe lights and fast motion are involved (sports), I'll still be grabbing my HVX200. -steev |
Quote:
|
YouTube - LUMIX GH1 ?????
I must say, this is looking sweet. They got the pulldown right and playing solid at 24p. Download the HD version off YouTube. |
Some test shot I have found in Vimeo.
The uploader is using some kind of adapter to fit some Nikkor lens. Here it is. Panasonic GH1 + Nikkor Ais28mm/f.2.0 on Vimeo |
The opening shot with the waves breaking is great:
YouTube - Test: Panasonic LUMIX DMC-GH1 - Pt.5 Dashboard cam: http://www.youtube.com/watch?v=GtPsR3XtMwc&translated=1 Handheld with 7-14mm lens: http://www.youtube.com/watch?v=ECwJ4CTcJzQ&translated=1 |
you can check out my test footage, first time using the camera so forgive me, at the end of my blog entry here Philip Bloom Blog Archive Panasonic Lumix GH1 first impressions and first footage
|
Really nice Flamingo footage using a 300mm canon
YouTube - LUMIX GH1 Test Shoot -flamingo[HD] Cats in a store YouTube - LUMIX DMC-GH1 PM6:00-7:00 Flowers and leaves YouTube - Panasonic DMC-GH1 Test Movie 01 Woman on laptop YouTube - Panasonic DMC-GH1 Test Movie 02 |
Dylan,
nice post. I think above all you show that lighting and lenses other than the stock 14-140mm will make this camera shine. The flamingos are beautiful (canon 300mm) while the other shots are OK. |
Static Dog Shot.
G VARIO HD 14-140 f4.7 vrs summulux 1f.4, 25mm YouTube - Lumix GH1 video test SUMMILUX 25mm/F1.4 low light Download original avchd file here http://files1.dougahiroba.com/dl/ansho.zip |
slow motion test short film knocked off with gh1 and gorillapod!
Philip Bloom Blog Archive Kauai sunset: LUMIX GH1 slow motion |
Lots of Yachts in harbour, tripod shots (with nice music)
YouTube - Nishinomiya Yacht Harbor (Panasonic DMC-GH1 Test) |
First handheld Hawaiian Music concert shot on a gh1
YouTube - ?????????????????? (1:26 reminded me of the original panasonic shots like the colors and look in the one below) YouTube - Panasonic Lumix DMC-GH1 Sample 17 |
Throwing a bunch of links out. Sorry if any of these have been previously listed.
Vimeo - Impressive clips... Random: GH1 and Nikon Zeiss prime F1.4 in low light - Panasonic GH1 on Vimeo Kauai sunset: Lumix GH1 slow motion - Panasonic GH1 on Vimeo Quick GH1 test- 720/60p slowed to 24p - Panasonic GH1 on Vimeo Panasonic Lumix GH1. First footage - Panasonic GH1 on Vimeo You Tube - it all depends ;) YouTube - 20090504 Nezu&Sendagi Tokyo Video Walk by Lumix GH1 YouTube - Tilt Lens Test with LUMIX GH1[HD] - Tilt Lens! YouTube - Panasonic GH1 00013 - looks like someone just wanted to exploit the rolling shutter at its worst. |
The tilt lens footage is very impressive ! Really looks like miniatures...
|
Some decent looking macro footage of flowers and insects
YouTube - ??????GH1?????????? |
|
|
5DMkII vs 5000D vs GH1 - YouTube - Comparison 3 DSLRs movie test D5000,5Dmk2,GH1
More stuff: YouTube - LUMIX GH1 SHISHIMAI YouTube - Panasonic Lumix DMC-GH1 Short movie |
iso 1600 night rain shots. Slow mo.
YouTube - Panasonic Lumix DMC-GH1 Short movie SUMMILUX 25/F1.4 (another nice low light example) YouTube - Lumix GH1 SUMMILUX 25mm/F1.4 video test night town HQ Outdoor field shots with model, Canon New FD Lens 28mm/F2.8 YouTube - Panasonic DMC-GH1 Test Movie 04 with Canon NewFD Lens |
Nice black & white footage
YouTube - Lumix DMC-GH1 Short movie Ame michi With homemade stabilizer YouTube - DMC-GH1 Stabilization Test |
Opened another thread for this question (pulldown removal)
|
Quote:
|
Must watch problem focussed footage if you are thinking about buying this camera to include doing fast panning with it at all. Also notice the large amount of noise in the latter end night shots.
YouTube - ???? for LUMIX GH1 |
Appart from the fact that this guy seems to have serious problems trying to pan smoothly, many shots from that clip look almost like a movie to me.
What's strange is that in the second shot he's showing how bad the rolling shutter can be, but in the rest it doesn't seem to be a problem at all. Almost like any video camera. I've seen a "60" in the first text, but the footage doesn't look like 60p. What do you think? |
|
|
Ocean scenes
YouTube - Pnanasonic GH1 ???????????????? Using alternative lenses (nice) Contax Zeiss 50/1.4 Contax Zess 28-70/3.4~5.6 Macro Zoom http://www.vimeo.com/4582107 |
Some nice night shots with Canon FD lenses using Raquel adapter
YouTube - Kobe Harbor Land (DMC-GH1+Canon FD Lenses Test at Night) |
Some truly amazing GH1 footage (not what you might think)
YouTube - ????????? Street Shots of Tokyo (more similar Tokyo clips from same uploader) YouTube - Visiting Tokyo Part 6 : Shibuya |
Stock lens at beach, color corrected.
YouTube - Venice Beach Vs. Lumix GH1 |
| All times are GMT -6. The time now is 01:18 PM. |
DV Info Net -- Real Names, Real People, Real Info!
1998-2025 The Digital Video Information Network