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HVX200 Over-cranking looks
Hey all,
Recently while shooting a music video I noticed something about shooting overcranked footage on the HVX200. It seemed to me, that when you shoot overcranked with a shutter speed of 1/120th, that the footage seems to have less of a “video” looking motion blur, and more of a “filmic” looking motion blur. Has anyone else noticed this? Coming from a guy who first got a taste of slow motion shooting on an Arri SR2 Highspeed, it just seems like that at shutter speeds of 1/60th and 1/48th, which you would argue are pretty normal shutter speeds, that the slow motion shots on an HVX200 tend to have this video looking motion blur, as opposed to the SR2 at the “equivalent” shutter angle. Just curious if anyone else has noticed this, or if you all think I’m crazy. If so, let me know. Thanks.
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4 Replies
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That’s what the shutter is for- to create the look *you* want. There’s no right answer. I personally think the higher shutter speeds look a little too Saving Private Ryan but it can have its uses.
Noah
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The shutter speed is simply changing the ammount of blur present, not really the type of blur. What you are saying is that you think less motion blur looks more filmic than more motion blur which looks more video. Valid opinion but some would differ and feel that interlaced video has less motion blur than progressive capture and that motion blur helps to create that filmic feel.
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[Joe Walker] “It seemed to me, that when you shoot overcranked with a shutter speed of 1/120th, that the footage seems to have less of a “video” looking motion blur, and more of a “filmic” looking motion blur. Has anyone else noticed this?”
Yes, that’s exactly what’s happening. In film, the shutter speed tracks with the frame rate of the camera, so your exposure time changes based on your frame rate. With a 180-degree shutter you get half the exposure time per frame, so 24fps = 1/48, and 60fps = 1/120.
You can get this same behavior automatically in the HVX by choosing the syncro scan shutter. Instead of manually choosing 1/120, set the shutter to 180.0d and set the shutter speed to display 180.0d on your LCD (use the shutter buttons to choose the shutter speed between the slowest and fastest; that’s where the syncro scan shutter is). In FILM CAM mode, with the shutter set to the syncro scan shutter speed, it’ll automatically adjust the exposure time to give you proper film-style motion blur at any frame rate.
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Barry,
Thanks again. I thought I was going crazy. We shot eight different takes of a wine glass falling to the floor, all at 60fps played back at 24fps with shutter speeds of 1/48th, 1/60th, 1/120th, and 1/500th and noticed that only the 1/120th shutter speed looked correct in the vein that it had a “film-like” motion blur, and all the others looked very opening sequence of Apocalypto if you know what I mean. Thank you for clarifying that.
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