[pov] Re: Canon 5DmkII / 28-135 3.5-5.6 (non-L) lens question
- From: James Culbertson <albion@xxxxxxxxxxxxx>
- To: pov@xxxxxxxxxxxxx
- Date: Mon, 19 Mar 2012 12:43:06 -0700
Thanks Nick. I don't do too much shooting as I am primarily focused on
post-production. I was surprised that there was an brightness shift while
zooming in Live View even when the aperture does not change (in this case
f5.6). But what you say makes sense. I had to use the non-L longer zoom lens
last night on a performance shoot but did not change the zoom level. Typically
I try to use primes as much as possible (or my wide angle 17-40 4.0 L lens).
Definitely the 24-70 2.8L and 70-200 2.8L are on my wish list (for my
photography habit as well as for video).
I usually use the x5 or x10 view in live view to pull focus, but would like to
spring for a little monitor at some point. What is your favorite monitor and
mounting bracket system for DSLR applications?
I have the Cinestyle (0, -4, -2, 0) as one of my custom profiles, and use it
periodically, but sometimes the results I get are a little odd and I find it
somewhat difficult to dial in the right look in post (I probably just need to
do some more research on shooting Cinestyle properly for post). I tend to use
Canon's built-in neutral (0, -4, -1, 0) most of the time. But I shoot a lot
more performance or quick documentation, with the occasional pickup for larger
projects.
James
On Mar 19, 2012, at 8:29 AM, Nicholas Wiesnet wrote:
> Hey James!
>
> The reason is that your lens is not a fixed aperture at almost a 1 1/3 stop
> difference from wide to telephoto. Live mode is the only way to properly
> shoot video with a DSLR to ensure focus is sharp, although it usually is best
> to have a 7" monitor. It's realllllly tricky shooting video with non-L lenses
> and is not recommended. Best to shoot with the 24-105 L 4.0 for the fixed
> stop. Although it's not the fastest lens in the world, it gives you the best
> flexibility for video and will not jump in exposure bracketing due to the
> lens being fixed at a 4, the 5D sensor is VERY unforgiving with focus for
> video and is best to shoot at a 5.6 during any day int/ext. If you've been
> shooting a lot of video lately, check out this new upgrade for color profiles
> by Technicolor at:
>
> http://www.technicolor.com/en/hi/theatrical/visual-post-production/digital-printer-lights/cinestyle
>
> Hope this helps you! All the best,
>
> Niko
>
> --
> Nicholas (Niko) Wiesnet
> Cinematographer/Camera Operator
> www.nicholaswiesnet.com
> 206.422.5031
>
> On Sat, Mar 17, 2012 at 6:06 PM, James Culbertson <albion@xxxxxxxxxxxxx>
> wrote:
> Shooting video with my Canon 5DmkII and a Canon 28-135 3.5-5.6 IS (non-L)
> lens:
>
> 5D is in manual mode and manual focus (IS is off) on lens.
>
> In live view, Is it normal for this lens to shift brightness when one zooms
> in and out? In live view, as I zoom in the image gets brighter in a stepwise
> fashion (sounds like the aperture is adjusting internally, zoom out it gets
> dimmer. I don't hear or see this when not in live view mode. ...trying to
> figure out what is going on.
>
> This does not happen with my 17-40 L lens.
>
> Thanks,
>
> James
>
> pov@xxxxxxxxxxxxx
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