class notes to introduction to film

FILM 31 -
introduction to
digital film making -




·

↓ -
-




· ·
·

,
, Week 2
-

lights Exposure
3 variable Exposure
Affect
.
1
Dynamic Range of real

world
lighting
2 .



Dynamic Range of the camera

.
3
Dynamic Runge Of The
Display
Device


candle
1. Foot
hand measure



Mr
Lux -




& brightness
F -

number
↑
-
&
T -
Step
F-stop




#
-




-



Every time we ack) (1)

an Est doubles
↓
the
brightness
- y




Decreasing
the brightness

L
eyeball sees 14 +S
by
1
F-stops range F-stop halves

brightness -
the
-



camera is
range
about 12 F-stops .




1 Standard intensity
Foot
light
candles : of unit
measuring .
.




is the illumination
one Foot candle
produced by a candle

at a distance of one foot onto one squareFoot

white surface.