American Cinematographer - November 2013 - 47
a static object with a moving camera, and
the filmmakers elected to make the
camera perform most of the motion.
The robot arm was originally
designed to assemble cars, according to
Webber. He explains that Warner Bros.
executive Chris DeFaria read about a
San Francisco design-and-engineering
studio, Bot & Dolly, which had used the
arms to move a camera. Webber adds
that the production worked with Bot &
Dolly to add increased flexibility to the
system, including the ability to adjust the
speed of the preprogrammed moves so
they could be adapted to the actors'
performances. To create even more
options, they added a special remote
head that was manned by camera operator Peter Taylor. Based on a Mo-Sys
head, this remote unit was adapted to
make it smaller and lighter, partly so that
it would block less light. It could be operated live or set to play preprogrammed
moves driven by the previs.
Gaffer John "Biggles" Higgins,
who also worked with Lubezki on
Children of Men, marvels that he has
"never seen anything like the set of
Gravity." Apart from the LED Box, he
notes, there were also other, slightly more
traditional setups. For interiors of the
space capsule as it hurtles to Earth, for
instance, the filmmakers used an Alpha
4K HMI without its lens to simulate the
sun, moving the source around the
stationary capsule with a crane and a
remote head. Higgins says they selected
the Alpha because "it is the only head
that can be operated shooting straight
down." He adds that Lubezki would
provide ambient light by punching
powerful tungsten 20Ks through 20'x20'
frames, using two layers of diffusion,
Half and Full Grid Cloth, as well as
green and blue gels, to simulate sunlight.
"These diffusions were mainly used on
the real capsules," explains Higgins. "The
green and blue filters were stitched to the
back of the closest diffusion, the 20-by20 Full Grid."
As the production footage of the
actors was integrated into the CG
imagery, some modifications were made
to the virtual elements to reflect the
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http://www.g-f-m.net
American Cinematographer - November 2013
Table of Contents for the Digital Edition of American Cinematographer - November 2013
Contents
American Cinematographer - November 2013 - Cover1
American Cinematographer - November 2013 - Cover2
American Cinematographer - November 2013 - 1
American Cinematographer - November 2013 - 2
American Cinematographer - November 2013 - 3
American Cinematographer - November 2013 - 4
American Cinematographer - November 2013 - Contents
American Cinematographer - November 2013 - 6
American Cinematographer - November 2013 - 7
American Cinematographer - November 2013 - 8
American Cinematographer - November 2013 - 9
American Cinematographer - November 2013 - 10
American Cinematographer - November 2013 - 11
American Cinematographer - November 2013 - 12
American Cinematographer - November 2013 - 13
American Cinematographer - November 2013 - 14
American Cinematographer - November 2013 - 15
American Cinematographer - November 2013 - 16
American Cinematographer - November 2013 - 17
American Cinematographer - November 2013 - 18
American Cinematographer - November 2013 - 19
American Cinematographer - November 2013 - 20
American Cinematographer - November 2013 - 21
American Cinematographer - November 2013 - 22
American Cinematographer - November 2013 - 23
American Cinematographer - November 2013 - 24
American Cinematographer - November 2013 - 25
American Cinematographer - November 2013 - 26
American Cinematographer - November 2013 - 27
American Cinematographer - November 2013 - 28
American Cinematographer - November 2013 - 29
American Cinematographer - November 2013 - 30
American Cinematographer - November 2013 - 31
American Cinematographer - November 2013 - 32
American Cinematographer - November 2013 - 33
American Cinematographer - November 2013 - 34
American Cinematographer - November 2013 - 35
American Cinematographer - November 2013 - 36
American Cinematographer - November 2013 - 37
American Cinematographer - November 2013 - 38
American Cinematographer - November 2013 - 39
American Cinematographer - November 2013 - 40
American Cinematographer - November 2013 - 41
American Cinematographer - November 2013 - 42
American Cinematographer - November 2013 - 43
American Cinematographer - November 2013 - 44
American Cinematographer - November 2013 - 45
American Cinematographer - November 2013 - 46
American Cinematographer - November 2013 - 47
American Cinematographer - November 2013 - 48
American Cinematographer - November 2013 - 49
American Cinematographer - November 2013 - 50
American Cinematographer - November 2013 - 51
American Cinematographer - November 2013 - 52
American Cinematographer - November 2013 - 53
American Cinematographer - November 2013 - 54
American Cinematographer - November 2013 - 55
American Cinematographer - November 2013 - 56
American Cinematographer - November 2013 - 57
American Cinematographer - November 2013 - 58
American Cinematographer - November 2013 - 59
American Cinematographer - November 2013 - 60
American Cinematographer - November 2013 - 61
American Cinematographer - November 2013 - 62
American Cinematographer - November 2013 - 63
American Cinematographer - November 2013 - 64
American Cinematographer - November 2013 - 65
American Cinematographer - November 2013 - 66
American Cinematographer - November 2013 - 67
American Cinematographer - November 2013 - 68
American Cinematographer - November 2013 - 69
American Cinematographer - November 2013 - 70
American Cinematographer - November 2013 - 71
American Cinematographer - November 2013 - 72
American Cinematographer - November 2013 - 73
American Cinematographer - November 2013 - 74
American Cinematographer - November 2013 - 75
American Cinematographer - November 2013 - 76
American Cinematographer - November 2013 - 77
American Cinematographer - November 2013 - 78
American Cinematographer - November 2013 - 79
American Cinematographer - November 2013 - 80
American Cinematographer - November 2013 - 81
American Cinematographer - November 2013 - 82
American Cinematographer - November 2013 - 83
American Cinematographer - November 2013 - 84
American Cinematographer - November 2013 - 85
American Cinematographer - November 2013 - 86
American Cinematographer - November 2013 - 87
American Cinematographer - November 2013 - 88
American Cinematographer - November 2013 - 89
American Cinematographer - November 2013 - 90
American Cinematographer - November 2013 - 91
American Cinematographer - November 2013 - 92
American Cinematographer - November 2013 - 93
American Cinematographer - November 2013 - 94
American Cinematographer - November 2013 - 95
American Cinematographer - November 2013 - 96
American Cinematographer - November 2013 - 97
American Cinematographer - November 2013 - 98
American Cinematographer - November 2013 - 99
American Cinematographer - November 2013 - 100
American Cinematographer - November 2013 - 101
American Cinematographer - November 2013 - 102
American Cinematographer - November 2013 - 103
American Cinematographer - November 2013 - 104
American Cinematographer - November 2013 - 105
American Cinematographer - November 2013 - 106
American Cinematographer - November 2013 - 107
American Cinematographer - November 2013 - 108
American Cinematographer - November 2013 - 109
American Cinematographer - November 2013 - 110
American Cinematographer - November 2013 - 111
American Cinematographer - November 2013 - 112
American Cinematographer - November 2013 - Cover3
American Cinematographer - November 2013 - Cover4
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