Monday 23 March 2015

5DM031: Week 7 (20th March) Learning greenscreen

As part of the new brief, we had a tutorial into the method of how to use green screen.

  • When filming on green-screen, the actor or presenter must make sure to keep a distance from the green material as the lighting casts shadows onto background and ruins what people would want to do when editing the footage.
  • When using the lighting, the main thing to keep an eye on is to make sure that it is set at 45 degrees and that its properly adjusted. The helps avoid fire hazards and also helps cut down the reflection that casts on the green screen.
  • When production staff wants to get a certain degree of lighting, they would use flame resident material scrim. But for us at Wolverhampton, we would use sheets of scrim to cover the lighting with wooden pegs. The wooden pegs help avoid fire hazards and we can get a range of scrims in different colours to create different scenes and environments.
  • As there are hardly any props, the actors must believe in the scenes and scenarios they are portraying.
  • The use of above and bottom lighting when positioning the fixers and filming helps create different directions and angles of light.
  • The highest resolution needed for both camera work and editing is either 1080p or 720p. This helps give the outcome more quality and gives it a professional look.
  • When knowing filming has the right quality, the display on the camera should always be 1920 x 1080p x 25fps.
  • When editing the visual effects, always have a starting point, middle and finishing pose in the footage's outcome.
  • Lastly, only use the lighting needed to create the mood of the scene. E.g. moonlight scenarios would only need to use a couple of lights.

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