Shutter Speed for Video

[fnly]

So what kind of shutter speed is right for filming skating?

Most of my experience comes from the cinema world where you keep it at 180 degrees (e.g. 1/48 for 24p)...but i know "action sports" usually demand something higher like 1/120 or 1/250 (at 30p)?

I'm also aware that higher shutter speed is better if you plan to slow the video down ala twixtor etc, but I would think that going too fast will look like crap at normal speed?

I know you guys are pros so any comments/experiences would be appreciated.

[kmediavideo]

Yup, normal shutter is 1/48. Action movies and action sports usually shoot sequences at 1/120 or 1/250.

Shoot the shutter speed you feel works best for the shot or production. ESPN shoots at 1/60 or 1/48 at 60i. Most of the pro DVDs you see are probably shot around 1/120 for the exterior stuff.

(EDIT) And I find that you want to shoot 1/48 or 1/60 if you plan to slow it down in FCP. You want a higher framerate if you can (60p+) but you don't want your shutter too high or it will look jumpy.

[pHaTdProductions]

the higher the better. always worked for me. just stay away from the same speed # as the frames per sec(1/30 + 30fps= YUCK)

[fnly]

damn, you do know your stuff! Thanks dudes.

[_doesitmatter_]

answered my questions before i even had to ask them.

im glad bemag knows a lot of this stuff.

[danjama]

Does anyone know why I see ghosting on my exported footage?

I'm shooting SD on a GS250. Export in high quality PAL (not AVI DV - too much HD usage). Playing in any video player shows some extreme ghosting with my skating footage. Shot outdoors on auto on a tripod. Could it have been because the OIS was on (even though there was no panning)?

Maybe it's just because I should export the footage in AVI first, then compress it in Premier.

Any advice is appreciated.

Also, could this be shutter speed related? Maybe of importance, is that I have exported indoor footage that shows no sign of ghosting.

[pHaTdProductions]

if you think the ghosting is from the shutter speed, then check raw footage, otherwise, make sure you record in 60fps and render in 60fps or 30fps, going from 30fps raw footy to 60fps rendered = bad, so never go up. Also rendering a clip to get from one program to another can be a possible factor "Raw>export-render>re-rendered>finalized=):". There are more variables, but check those.

[danjama]

Thanks man, i'll check the raw footage.

[danjama]

Just an update for future reference, exporting footage in raw format (DV AVI) eliminated ALL ghosting in my footage. So in future i'll export in avi, then process in another format for sharing.

I'm gonna need a new HD.

[al dolega]

I just got some 2TB USB3 external drives off buy.com for $85 each, not sure if the deal is still going.

[danjama]

Nice! They're going for about that here in England. Crazy how cheap they are nowadays. When I built my computer back in 2006, my 500gb sata drive cost me about £120, roughly 180 or 200 dollars I think.