Nikon 2SB Photomic Buku Petunjuk - Halaman 22

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EXPOSURE MEASUREMENT

The

exposure

meter

of the

Nikon

F2SB

otomic

camera's finder features a center-weighted

TT L metering

system coupled to the shutter speed and aperture con-

trols.

e meter

reads

the

light

over the entire focusing

screen but favors the central

12mm-diameter

area.

This

allows you to

make

precise readings of the se lected sub-

ject area, and

results in more balanced

overall

posures.

Underexposure"by more than 1 stop

Underexposure

1/5

stop

Correct exposure

Overex posu re by 1/5 to 1 stop

Overexposure by more than 1 stop

Determining Exposure

The

finder

has

three

LED

exposure

indicators

visible

within the

viewfield

("+"

for overexposure, "

" for

correct exposure, and "

" for

underex posure);

thus, the

metering

system

capab le of

providing

easy-to-read

ex-

posure information

in f ive steps, and even

extremely

low-I

ight

leve ls. Add

itionaliy, the

se lected shu tter speed

and lens aperture settings are

visible

for

maximum

ease

of operat io

for setting the

desired

exposure.

To determine the

correct exposure

with

the

Nikon F2SB:

Switch ON

the

meter by moving

t he fi lm-adva nce lever

the 20°

standoff

position; with this

action, one of the

LED

indicators will light, indicating

overexposure, cor-

rect

exposure

or underexposure.

the plus

(+)

indicator

ights, increase the

shutter speed or

decrease

the aperture

until

the center

(0)

indicator just

comes on a

the

(+)

turns

off;

the

minus

) indicator is

lit,

decrease the

shutter

speed

increase the

a perture

until the

center

in-

dicator lights. Wh en

two

LEOs light simul

ta neous ly

(i.e.,

and

0).

the exposure

setti ng

is within

l -stop

of correct

exposure; thus, be

sure to adjust the

aperture

setting

slow

get o

nly

the correct "center"

(0)

ex-

posure.

for the five

sett ings

of the

LEO

s are

described

the figure

this

page