Visual effects
Animator Nelson Shin was tasked with drawing the lightsaber to match the film scenes that the film producers brought.[when?] Shin explained to the people from Lucasfilm that since a lightsaber is made of light, the sword should look "a little shaky" like a fluorescent tube. He suggested inserting one frame that was much lighter than the others while printing the film on an optical printer, making the light seem to vibrate. Shin also recommended adding a degausser sound on top of the other sounds for the weapon since the sound would be reminiscent of a magnetic field. The whole process took one week, surprising his company, and Lucasfilm demonstrated the film to him, having followed his suggestions, including using an X-Acto knife to give the lightsaber a very sharp look.[2]
Sound
The lightsaber sound effect was developed by sound designer Ben Burtt as a combination of the hum of idling interlock motors in aged movie projectors and interference caused by a television set on an unshielded microphone. Burtt discovered the latter accidentally as he was looking for a buzzing, sparkling sound to add to the projector motor hum.[3]
The pitch changes of lightsaber movement were produced by playing the basic lightsaber tone on a loudspeaker and recording it on a moving microphone, generating Doppler shift to mimic a moving sound source.[3]
Prop construction
For A New Hope, the original film prop hilts were constructed by John Stears from old press camera flash battery packs and other pieces of hardware. The "switched-on" sword props were designed with the intention of creating an "in-camera" glowing effect. The "blade" was three-sided and coated with a retroreflector array, the same sort used for highway signs. A lamp was positioned to the side of the taking camera and reflected towards the subject through 45-degree angled glass so that the sword would appear to glow from the camera's point of view.
Set Decorator Roger Christian found the handles for the Graflax Flash Gun in a photography shop in Great Malbourough Street, in London's West End. He then added cabinet T-track to the handles, securely attaching them with cyanoacrylate glue. Adding a few "greebles" (surface details), Christian managed to hand-make the first prototype of a lightsaber prop for Luke before prep production began. George decided he wanted to add a clip to the handle, so that Luke could hang it on his belt. Once George Lucas felt the handle was up to his standards, it went to John Steers to create the wooden dowel rod with front-projection paint so that the animators would have a glow of light to enhance later on in post production. Due to lack of preparation time, Christian's prototype and a second spare were used for the shooting in Tunisia, where Star Wars filming began.[
Animator Nelson Shin was tasked with drawing the lightsaber to match the film scenes that the film producers brought.[when?] Shin explained to the people from Lucasfilm that since a lightsaber is made of light, the sword should look "a little shaky" like a fluorescent tube. He suggested inserting one frame that was much lighter than the others while printing the film on an optical printer, making the light seem to vibrate. Shin also recommended adding a degausser sound on top of the other sounds for the weapon since the sound would be reminiscent of a magnetic field. The whole process took one week, surprising his company, and Lucasfilm demonstrated the film to him, having followed his suggestions, including using an X-Acto knife to give the lightsaber a very sharp look.[2]
Sound
The lightsaber sound effect was developed by sound designer Ben Burtt as a combination of the hum of idling interlock motors in aged movie projectors and interference caused by a television set on an unshielded microphone. Burtt discovered the latter accidentally as he was looking for a buzzing, sparkling sound to add to the projector motor hum.[3]
The pitch changes of lightsaber movement were produced by playing the basic lightsaber tone on a loudspeaker and recording it on a moving microphone, generating Doppler shift to mimic a moving sound source.[3]
Prop construction
For A New Hope, the original film prop hilts were constructed by John Stears from old press camera flash battery packs and other pieces of hardware. The "switched-on" sword props were designed with the intention of creating an "in-camera" glowing effect. The "blade" was three-sided and coated with a retroreflector array, the same sort used for highway signs. A lamp was positioned to the side of the taking camera and reflected towards the subject through 45-degree angled glass so that the sword would appear to glow from the camera's point of view.
Set Decorator Roger Christian found the handles for the Graflax Flash Gun in a photography shop in Great Malbourough Street, in London's West End. He then added cabinet T-track to the handles, securely attaching them with cyanoacrylate glue. Adding a few "greebles" (surface details), Christian managed to hand-make the first prototype of a lightsaber prop for Luke before prep production began. George decided he wanted to add a clip to the handle, so that Luke could hang it on his belt. Once George Lucas felt the handle was up to his standards, it went to John Steers to create the wooden dowel rod with front-projection paint so that the animators would have a glow of light to enhance later on in post production. Due to lack of preparation time, Christian's prototype and a second spare were used for the shooting in Tunisia, where Star Wars filming began.[
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