Comments on: Idiot’s Online Guide to the Canon 5dMkII

By: Rich

Rich — Mon, 16 Jan 2012 12:45:12 +0000

I believe the full frame makes up the difference….from a cinema standpoint the “look” is usually congruent to aps-c sensors.

By: Leonard Low

Leonard Low — Mon, 16 Jan 2012 05:54:48 +0000

You said:
“The 5d is very sensitive to light, much more than most video cameras. I’d say anything faster than a f2.0 is overkill.”

I must respectfully disagree! Fast apertures are not just for increasing the amount of light entering the lens. They are also used to reduce depth-of-field, to blur out elements not aligned with the focal plane. The sensitivity of the sensor can be reduced by dialing down the ISO; and can also be reduced by increasing the shutter speed, or using an ND filter. In addition, when shooting in low light, having a faster lens can mean the difference between a usable capture and an unusable one. In my book, there is no such thing as a sensor that is “too sensitive,” nor is there a lens that is “too fast”!

By: Leonard Low

Leonard Low — Mon, 16 Jan 2012 05:45:48 +0000

bryan said, on September 19th, 2010 on 5:06 pm:
“i was reading your guide and its very comprehensive. There’s one thing that bothers me.

“The rule is this: The “faster” the lens (the more open the iris and the higher f-stop), the less DOF you will achieve.”

Don’t you mean the more open the iris the ‘lower’ the f-stop. Higher f-stops make the aperture smaller. Big apertures are because the f-stop is lower.”

No – this is actually incorrect. F-stops are calculated as f/x, where “f” is the lens’ focal length, and “x” is the diameter of the lens pupil. So “f/2″ is a LARGER number than “f/11″ – because the f-stop is a FRACTION. With fractions, the larger the denominator, the smaller the value – for example, 1/2 is larger than 1/11.

Thinking that an f-stop of f/2 is less than f/11 is a common misconception, especially amongst people new to photography – but one that should be corrected.

By: Rich

Rich — Tue, 26 Apr 2011 13:32:43 +0000

@Panel: Unfortunately no, there is not. But if you are shooting video for things that require longer than 12 minutes without cuts…a DSLR isn’t the best choice for you. I don’t do event videography, but if I needed to shoot longer than 12 minutes for anything i would use a Sony EX3…the footage intercuts nicely with the 5d.

By: Panel

Panel — Tue, 26 Apr 2011 10:50:13 +0000

Hello
is there any way (bypass) to record more then 12 minutes of the HD video? ex. buying card with exFat or Pluging camera drectly to pc and record video?

By: Rich

Rich — Fri, 25 Mar 2011 02:06:52 +0000

@Darya: the folks at Cineform are very helpful and will respond to your email if you send to their support email.

By: Darya

Darya — Wed, 16 Mar 2011 02:02:29 +0000

I’ve followed your steps, and used Cineform..however, for some reason during the conversion process I keep getting errors.

One of them is that there is no audio stream found. The other is that it wasn’t able to determine the framerate, and changed it to 29.97 fps (even though I filmed at 24.

Any help would be truly appreciated, thank you.

By: Rich

Rich — Thu, 10 Feb 2011 02:49:58 +0000

@Adrienne I believe that just means you do t have a camera attached. Just disregard.

By: Adrienne

Adrienne — Wed, 09 Feb 2011 20:42:37 +0000

downloaded Cineform NeoScene now Premiere CS4 capture fails to recognize camera. Is there a fix ?

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