Nikon R10 Super Zoom Instruction Manual - Page 15

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Locking the Auto Exposure

Reading

The

EE Jock/manual aperture set¬

ting ring also locks the automatic

exposure reading. This is used to

prevent

the

lens

diaphragm from

making undesirable reactions to light

changes while shooting bright and

dark subjects alternately or while

tilting or panning the camera through

a high-contrast background. It also

permits you to hold the diaphragm at

any desired aperture for deliberate

under- or overexposure. To lock the

automatically selected aperture, lift

up the ring as you did for manual

override.

you

want

deliberate

under- or overexposure,

reset the

meter needle inside the viewfinder to

a number higher or lower than the

number the meter indicated on the

scale after the exposure locking.

Depth of Field

Depth of field is a zone extending i

front

of and behind the focuse-

distance. Within this zone blur is toi

slight to be noticeable and everythin

will appear sharp when the film i

projected on a screen. It extends

greater distance behind the subject ij

focus than in front. Depth of fieic

depends on three factors: lens aper

ture, focal length and lens-to-subjec

distance. Remember, the smaller thi

aperture and the shorter the foca

length of the lens, dhe greater the

depth of field. Also, the closer th^

subject, the smaller the depth ol

held. Since these three factors oper

ate interdependently, one may cance

out

the effect of the others for

greater

control

over

final

results

EXPOSURE CONTROLS—-1^