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Underwater Performance: Canon 5D Mark II vs. Sony HC7


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#1 mexwell

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Posted 06 July 2009 - 01:49 AM

Hello everybody!

I just created a short comparison video containing similar scenes from both cameras.

Of course this is no scientific test but I think it represents the real life behavior quite realistic.
Actually it sums up two weeks of experience of filming with the 5D MK II.

Befor I write my conclusions about the strengths and weaknesses of both systems,
I am very interested in your opinions!

Link: http://www.belowthesurface.de then click "Comparison HC7-5D MK II" in the menu.

What do you think?

Edited by mexwell, 06 July 2009 - 01:49 AM.

Best regards

Christian


Photo& Video: Canon 5D MkII - Ikelite housing - Ikelite DS-125 - Ikelite DS-50
Glas Canon 50mm Macro - Canon 100mm Macro - Canon 17-40mm
Video only: Sony HC7 - Topdawg II Housing and Light System - Gorillapod UW-Tripod
My Website with Pictures and HD movies Last update 01-2010

#2 Hani Amir

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Posted 06 July 2009 - 02:41 AM

Impressive! The savings must be huge for someone who wants to take both stills and video if they go with the 5D mkII.

What I'd really like to see is how it compares with one of those larger video rigs (not familiar with the equipment at all to name a model).

#3 jonny shaw

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Posted 06 July 2009 - 02:18 PM

How easy is editing the H264 files that it outputs? Do you convert to another codec like Pro Res? Also is the 5DMk2 limited to 3 mins of video clip length?

Cheers

Jon

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#4 mexwell

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Posted 07 July 2009 - 01:00 AM

Jon,

unfortunately H.264 is not designed for editing and very sluggish to use.
I am using EDIUS Neo 2 (thanks to Wags!) and am doing a batch convert
of all the clips to the lossless Canopus HQ codec before I start editing.

Then editing works like a charm! Of course it does, it is EDIUS ;-)
Best regards

Christian


Photo& Video: Canon 5D MkII - Ikelite housing - Ikelite DS-125 - Ikelite DS-50
Glas Canon 50mm Macro - Canon 100mm Macro - Canon 17-40mm
Video only: Sony HC7 - Topdawg II Housing and Light System - Gorillapod UW-Tripod
My Website with Pictures and HD movies Last update 01-2010

#5 jonny shaw

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Posted 07 July 2009 - 04:36 PM

How long does the conversion take and what PC power have you got?

www.ginclearfilm.com
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#6 TheRealDrew

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Posted 07 July 2009 - 08:12 PM

Hello everybody!

I just created a short comparison video containing similar scenes from both cameras.

Of course this is no scientific test but I think it represents the real life behavior quite realistic.
Actually it sums up two weeks of experience of filming with the 5D MK II.

Befor I write my conclusions about the strengths and weaknesses of both systems,
I am very interested in your opinions!

Link: http://www.belowthesurface.de then click "Comparison HC7-5D MK II" in the menu.

What do you think?



Looks good, notice some shutter rolling, but did not know how much of it is compression/upload/chaning frame rates. Overall how did you find it work work (in other words would you carry the 5D in lieu of the HC-7, or still carry both.)

I carry too much it seems sometimes, and I am about this > < close to the 5D.

#7 Paul Kay

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Posted 08 July 2009 - 12:35 AM

I carry too much it seems sometimes, and I am about this > < close to the 5D.


Its ability in poor conditions (I've had to shoot in as little as 2m vis for the program I'm working on and in currents too) with the 15mm fisheye is very good indeed. I'd go as far as to say that the combination in a smallish housing (I'm using a Seacam) makes shots possible that I don't think that I could have produced easily otherwise (and certainly not within budget). Its far from perfect but at the end of the day good content will largely negate technicalities IMHO. All this said I accept that my requirements are very specific and the issues I face are not everyone's.
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#8 TheRealDrew

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Posted 09 July 2009 - 06:29 PM

Its ability in poor conditions (I've had to shoot in as little as 2m vis for the program I'm working on and in currents too) with the 15mm fisheye is very good indeed. I'd go as far as to say that the combination in a smallish housing (I'm using a Seacam) makes shots possible that I don't think that I could have produced easily otherwise (and certainly not within budget). Its far from perfect but at the end of the day good content will largely negate technicalities IMHO. All this said I accept that my requirements are very specific and the issues I face are not everyone's.



Thanks for the info. Downloaded the manual to see how it operates in video mode. Looks interesting. It is really too tempting.

#9 mexwell

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Posted 10 July 2009 - 03:22 AM

Overall how did you find it work work (in other words would you carry the 5D in lieu of the HC-7, or still carry both.)


Well Drew,

filming those two cameras is really different.

No autofokus on the 5D. Because of that you have to carefully choose the lens setup and "know"
the DOF you can archive with your lenses and the aperture settings.

Second, you loose a lot of versatility underwater. Just like DSLR photography. The whaleshark will
aproach you right in that dive when you have the 100mm macro mounted. I had that excact event
with my close up lens mounted to the HC7 when a 4m long Dougong joined.... Filmed a nice closeup
of the mouth... ;-)

Depending on your choice of glas you loose any kind of image stabilizing. This is really APITA at macro
level work. You WILL need a tripod for 100mm Macro and beyond!

In return you get superb IQ, great low light capability and the automatic white balance rocks.

Conclusion: I will film the 5D, my wife enjoys the HC7. :-)
Best regards

Christian


Photo& Video: Canon 5D MkII - Ikelite housing - Ikelite DS-125 - Ikelite DS-50
Glas Canon 50mm Macro - Canon 100mm Macro - Canon 17-40mm
Video only: Sony HC7 - Topdawg II Housing and Light System - Gorillapod UW-Tripod
My Website with Pictures and HD movies Last update 01-2010