WhattheCameraSees:TheVisualElements
RecordingColor
Colormightseemtobethemostimme-
diatelyevidentofallthecomponentsof
seeing:Who,excepttheblindandthe
color-blind,doesnotseethegreenof
leaves,theredofvalentinesorthe
ever-changingtintsoftheocean?But
thefactisthatcolorsarecarelessly
perceivedagreatdealofthetime,be-
causepeoplegenerallyseethe colors
thattheyexpecttosee.Anobjectthat
isusuallypinkisonlymoreorless
pink
—
or
not
pink
at
all—under
a
tree,
whereitmayassumeagreenishcast;
intheblueglowofafluorescentlight;
orplacednexttoa yellowwall,whereit
picksupareflectionofthewallscolor.
Acamera,whichlaborsundernopre-
conceptions,mayrecordallsuchsub-
tlecolorchanges.
TakeMilito'srock,forinstance It
waspickeduponanislandoffthecoast
ofRhodeIsland;mostsuchrocks,worn
bytheglacialice that
depositedthem
andbymillenniaoffriction,appearto
becolorlessatfirstglance—mostly
white,orperhapsalittleyellowish.But
thetexturedclose-up
at
leftand
the
highlightedpictureoppositerevealthat
therock'svisualassetsincludestriking
rust-red
flecksandstainsonitssubtle
beigebackground.Itisnot,then,tobe
regarded
solelyasanobjectofshape,
textureandform;itexhibitsanotheras-
pectofvisionthatis
detectablebythe
seeingeye:color.
J.
'
* '
L
'
'6'.TLemMuSr.m
/
'
*
A'*s
VBHH
7bseewhatadifferencecolorcanmakeinthe
perceptionofanobject,comparethephotograph
abovewiththeblack-and-white
close-upofthe
rock'stextureonpages24-25.Inthepicture
oppositethecolorviewbringsout arichnessof
tonethatsetsthisrockapart
asa
unique
object.