Shutterspeed in green screen studio

[lenny87]

Hello there,

I am filming in a green screen studio, i film with 25fps. Now most people advise me to shoot either with a shutter speed of 50 or 100, when you shoot with 25fps.

So this is what i do, but i do not really understand why?  My camera also has a 60 and 80 shutter option.

Maybe there is somebody who can explain to me why i shouldn't  use the 60 or 80 shutter possibility on my camera?

Or maybe i could use it? Cause it would be very handy if i could use the 60 or 80 shutter.

 

I film with a:

-Panasonic Lumix G7 with an Atomos Ninja Flame recorder (prores HQ 422 8 bit)

-Samyang 12mm fix lens MFT

-I mostly use F-stop 2.4 or F-stop 2.8 (with both settings the whole Frame, where my subject is standing is in focus, from top to bottom and from left to right)

 

I hope somebody can explain me a bit more about the shutter times :-)

Thanx in front

greetz Lenny

 

[Justin Bacle]

For usual purpose, you'll want to stay as close as possible to a shutter of 180° (1/50 for 25fps) as it is the standard in film movies.
Shutter higher (like 270°) can be used if you want increased movement blur and/or 1/2 stop more light.
Shuters lower (like 90°) can be used to reduce movement blur and can help simplify the VFX workflow.

You can use 1/60 and 1/80 if you want/need it. You just need to know what to expect with these shutter speeds. Go on and shoot test shots