Talk:Rotary disc shutter
Film: Filmmaking Start‑class | ||||||||||
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the calculation-formula is wrong??
I would like somebody to dubbelcheck this, but the
Shutter Angle/360 = Exposure Time/Frame Intervall
formula is wrong, it doesen't come out right. for example: a pretty usual set of numbers for this would be a shutter angel of 180, which would at 25 fps give us an exposure time of 50 (1/50 of a second) hence:
180/360 = 0.5
50/25 = 2
2 does not equal 0.5 obviously. but what does come out right is switching the place of "shutter angel" and "360"
360/Shutter Angel = Exposure Time/Frame Intervall ==> 360/180 = 50/25 = 2
Seems like an honest misstake, but can somebody confirm this so we can change it?
Thank you.
EDIT: Actually, Im pretty shure this is the right way to go, so I changed it, please somebody call me on it if its wrong. first time wiki-ing =)
Thank you
—Preceding unsigned comment added by Theharis (talk • contribs) 23:04, 24 February 2009 (UTC)