GH2 How do I choose a camera

Apefos Adapter

Well-known member
How do I chose a camera: Remember you do not need to agree with me. What is good for me can be bad for you. But if you want better DR for an affordable price think about this:


First I was hungry for a high resolution, moire/aliasing free, no compression artifacts camera. I could not accept defects in the image. So when the DSLR revolution begun I waited until the almost perfect image camera was released: the hacked GH2.


Looking further, There was another must have features:


I found I could not live without an articulated LCD. Carry, install and handle an external monitor is annoying. Weight on backpack and over the camera, size, batteries to charge and so on.


Good low light performance, at least iso 3200 was a must too. In some tests I found the human eye can see the same of 6400 iso at shutter 1/25 and f1.4, so if the camera can do this it is better.


Small, lightweight camera.


Affordable price, no more than 1K usd.


An EVF would be great, but without it I can use a dslr loupe.


Manual audio control, another must to avoid hiss using a preamp and also get constant audio level.


low noise at low light or, if there was noise, not so hard to be cleaned with denoise software.


I like big sensors. I come from a full frame 35mm still photo background and big sensors delight me. But the GH2 won the game due to the amazing image quality.


At that time I was not worried about dynamic range or about slow motion resolution. 720p slow motion in GH2 was good enough.


I even got used to the lack of headphoes connector and accepted work looking at the audio metering on screen or use phones connected to the wireless receiver.


But suddenly the highlight clipping in GH2 and the no option to get good shadows at same time of good light area start to annoy me. The i.dynamic feature does not work with legacy lenses, it just works with native/electronic m43 lenses, and it does not solve the problem at all. So I started to look around on internet to try to find the "magical camera" a GH2 with better dynamic range. But the answer was simple: it did not exist. But new models and hacks starts to show up.


The BMCC: 13 sftops DR, but it is not for me. no articulated lcd, maximum iso just 1600, difficult to do handheld shooting, not expensive for many people, but expensive for me, small sensor, large file sizes and expensive storage.


All other affordable cameras do not improve the DR enough to worth buy.


I even started drol about the VG900 due to the camcorder form factor and FF sensor, but the DR is not that great to handle highlights.


I know magic lantern HDR video was laying around since december 2011 but there was some issues I did not like. To work in 1080p it needs optical flow and it gives some annoying artifacts to the image movement. And working with 720p in Canon cameras was considered by me the "never option" due to low resolution, softness, aliasing, moire and so on.


The Magic Lantern HDR uses different iso in alternate frames to get two streams to merge in post. If you work with 720p 50p you get two 25p streams and you just need to do optical flow in the highlight stream to do merge, so the movements are good.


I did a research in reduser forum and people says you just need to interpret footage to change 25p to 23,976p, no need anything else, audio pitch correction is an option, but people say tv stations in europe do not do it. The ML allows to work with 48fps, but without audio, so 50fps is the way to go.


I become so hungry for DR I start new researches about the Canon cameras in 720p quality. I downloaded lots of videos from vimeo and review websites And I found it is not that bad. It is bad if you put it side by side with GH2, but if you look at it alone, to be honest: it is good enough!
Resolution is not everything, dynamic range start to become more important for me than resolution and there are some shoots impossible for any affordable camera to do, like a person inside a house against a opened window. The ML HDR can do it, and can do great! Vimeo have lots of videos showing this, just search magic lantern hdr. Also search for T3i 720p to download some videos to see the quality.


If you know how to work with the Canon 720p it can be good. tripod and shallow dof helps a lot, but do not feel tied to this. You can do handheld and architecture no problem. People who watch the videos will look at the main subject and will not be looking for image imperfections. The 50 inch LCD tv sets from 10 feet distance shows no significant difference between 1080p and 720p. We keep looking at our computer monitors so close and due to this we get hungry for resolution, but if you look at a 720p DLP or 3LCD projector in average distance the image will be amazing!
So after this conclusions I found the T3i 600D with HDR magic lantern is THE camera to go. Also Canon cameras have the Highlight Tone Priority function. It improves 1,3-1,7 fstops highlight over GH2 and there are some picture style profiles which allow even better DR in 1080p: Lightform, Cinema PS, Visioncolor / Visiontech, Marvel


The T3i 600D have all features: good codec and datarate, sdhc and sdxc cards, manual audio, articulated LCD, 6400 iso good enough to clean, aps size sensor, affordable price, image stabilization in kit lens, can use nikon lenses, good DR picture profiles to load into camera, highlight tone priority, 3,5mm mic jack, magic lantern is almost finishing the audio monitoring and agc disable for it, but canon original firmware allows manual audio control also. Also ML allows peaking, zebra, histogram, vectorscope, waveform, HDR video and lots of other features. It has manual exposure: iso, shutter and aperture, also there is a company developing a moire/aliasing filter to fit near the mirror which can clean the image imperfections. It is shipping for 7d and 5d and almost shipping for T3i.


So why will I keep myself a resolution slave? I like the Canon 720p quality to do better DR with ML HDR or with HTP and picture profiles. It is very cinematic in a projector. 115 inch screen from 10 to 12 feet is great for 720p.


Remember you do not need to agree with me. What is good for me can be bad for you. But if you want better DR for an affordable price think about it.
 
When I want to buy a new camera I really don't care if people like it or not. I do my research and don't ask a single person how they like the camera. I make my decision solely on my own instincts and knowledge. I can't understand people that need to be guided or advised on which camera is best for them. But I guess people don't have to agree with me.
 
When I want to buy a new camera I really don't care if people like it or not. I do my research and don't ask a single person how they like the camera. I make my decision solely on my own instincts and knowledge. I can't understand people that need to be guided or advised on which camera is best for them. But I guess people don't have to agree with me.

It seems we agree with each other. the following video shows the HDR Canon cameras can do (works for T3i 600D, 5D2, etc...)

http://vimeo.com/48695705
 
When i said we agree I was talking about the way we choose cameras and not which camera we choose (using personal preferences without need of advices). I found HDR is more important for me than resolution, but maybe not for you.
 
When i said we agree I was talking about the way we choose cameras and not which camera we choose (using personal preferences without need of advices). I found HDR is more important for me than resolution, but maybe not for you.

Well I hope Moire and Aliasing are important to you as well, because they are simply horrible and can damage many shots in Canon cameras. Just like the "Hdr" video you posted. First of all the sound in it is comical, like if they just discovered a way to turn water into wine, second look at the curtains in that shot, the moire is simply disgusting....

Finally if you like Canon, buy canon, don't worry about what anyone says. An artist is to create art and pixel peeping and worrying about this or that is not allowing you to create art.
 
When I want to buy a new camera I really don't care if people like it or not. I do my research and don't ask a single person how they like the camera. I make my decision solely on my own instincts and knowledge. I can't understand people that need to be guided or advised on which camera is best for them. But I guess people don't have to agree with me.

+1, I couldn't agree more. It baffles me how so many people can't be bothered to research an item their interested in, but will ask a complete stranger they know nothing about to guide them in their buying decision. I see threads " help me decide which lens to buy". it's bizarre.

( not saying this is you Apefos, you obviously did some research.)

I have both cams mentioned here. The Canon is good for stills, but is lousy for video. Maybe not so much 4 yrs ago. Today the gh2 destroys the canon in detail, lens choices, moire, aliasing is close on both. Canon is a better build, but now that im use to the gh2, the build quality isn't as bad as first thought. I would stay with a gh2 anyday over the t3i.
 
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I'll take limited dynamic range over aliasing, moire, a soft image, a lousy codec, no evf, and a mirror in my video camera any day of the week. You can fix DR problems with lights, modifiers, ND gel, location scouting (and proper scheduling/planning), etc. You can't really fix those other things. Buy a bounce board, some lights, some overhead diffusion, etc and you're good to go. It's a lot harder to deal with low resolution, aliasing/moire, codec breakup, etc.
 
My low budget does not allow me to use nd sheets and strong fill lights. I cant afford rent/buy it and pay the transport and crew to deal with it and the time to setup it. And sometimes, like street shoots the nd sheets are small to solve the problem and fill light needs to be so big, strong and power hungry (hmi).

I like the challenge to deal with available light and magic lantern hdr and highlight tone priority and 3rd part picture profiles are great to do this.

The canon 720p image in a projector is good, much better than when you look so close to it in your computer screen.

the mosaic engineering optical anti-aliasing/anti-moire filter can help a lot to get a better image

also in my first post there are lots of points that makes me to reconsider the canon cameras, read it again.

I am not trying to make you change your GH2 to a T3i, but... well, if a good looking girl, but with some freckles in the face, begin to flirt with you, would you avoid kissing her due to the freckles? Would you keep looking deep into her eyes and feel the warming emotion or would you keep looking around and saying: I hate moire/aliasing! LOL

I think the Panasonic / Sony / Nikon 1080p HDR video will come soon... so all these problems will be solved.
 
720P in a projector is good you say,well i dont know if the T3i has a different sensor to the 550D/T2i i once owned but the 720P in that camera had resolution that was simply too low/soft to be of any use in HD films for me,1920x1080P struggled to match my HV30[it dint realy]
Please enlighten me as to whether the T3i has a higher resolution sensor than the T2i i do not know the answer.
As i speak honestly i find little difference in the aliasing, moire betweeen the my 550D and GH2.

Edit oops same sensor
http://www.squidoo.com/canon-rebel-t3i-vs-t2i
 
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t3i is not better than t2i, they are same quality. just two features in t3i makes me go for it: articulated lcd and manual audio levels.
 
GH2 and T3i: It seems it is like when you have two girls, you need to do a decision, but you just cant! You love both, you hate both! GH2? T3i? Merge them into one? Impossible! Both? Why not? But not at the same time! LOL At least cameras are not jealous! So about the metaphors:

T3i aliasing/moire= freckles

GH2 highlight clipping = ?
 
For what you're going to spend on that Mosaic filter you could easily buy some lights. You can preserve highlights on day exteriors most of the time by using a bounce, which you can buy in 8x4 sheets at Home Depot for less than 20 bucks. If interior highlights are a problem, just swap the bulbs in the practicals for smaller ones. That HDR mode produces some really funky looking motion half of the time, and isn't really a good go-to for long shorts. You can make it work for some shots, but you're not going to get away with it for a whole feature.

I like a lot of things about the Canon cameras. I have a 5DmkII and a 7D that I still shoot with all the time. Most of the time I just get a much better image out of the GH2.
 
what about clipped highlights/crushed shadows?

...The GH2 has a more limited dynamic exposure range, so as long as you know how to properly expose for it's more limited range it's not a problem. It's a lot like shooting shooting transparency (slide) film from the good ol' days.

i.e. expose for the hilights and fill shadows when shooting, use your gamma controls to open up the shadows in post
 
Dingo's right. Expose so that your highlights don't clip. The GH2 records an incredible amount of shadow detail that can often be recovered. I recently pushed some clips to 1.5 gamma without any added noise. My old DV camera started getting noisy by 1.2.
 
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