Optimal Frame Rate and Shutter Speed for Car-Mount Shots?

[C Barker]

Hi there,

Please could anyone tell me what is the best frame rate and shutter speed combination for car-mount shots?

I recently did a shoot at 23.976p with a 48s shutter (settings were chosen by the DP) and there are pretty bad problems with motion blur when the car speeds up or when objects are close (if there are any ways to fix this seamlessly in post so as to avoid re-shooting I would be very grateful to hear).

Thanks!

 

[John Hale]

I recently did a car mount shot and set my shutter at over 2000. It looked great. Not sure there is a way to correct that sort of thing in post though…..

 

[Stefan Scherperel]

There absolutly is. Reel smart Motion blur plugin from RE: Vision Effects. It's a great tool I use with my CGI work all the time, but is also great at adding motion blur to footage to match the rest of your film.

Edit: I think I read things wrong, while there is a tool to add motion blur in post, there is no tool that I know of yet to take it away. . . although I did see a demo a while back of a motion blur reduction tool that adobe was working on. Pretty amazing stuff.

 

[Dimitri Luedemann]

You basically want to go high shutter to eliminate motion blur so that way you can easily stabilize your shots in post and then you can re-add motion blue like Stefan mentioned above with RSMB.

The last few weekends at the track I've been shooting 120 FPS and going up to 2000/sec on the shutter to get super crisp images and still retaining a good exposure for the image.

Hope that helps.

D

 

[Dr. Sassi]

Short exposure would be my best advice as well.

Reel Smart Motion Blur has a tiny little option to take "lite" MB away, you just set the slider to negative for that frame. But do NOT expect wonder, details that are blurred are gone. Again: This is more for the one frame-problem, a sudden very short shake, nothing for longer takes.

De-convolution is the magic word, but I have yet to see something that creates great results.

Rolling shutter, parallax change (e.g., if camera is handheld and moves, which leads to problems while stabilized!) and motion blur are three main problems for such shooting (Not talking about light).