Nikon F25B Bedienungsanleitung PDF herunterladen (Seite 20)

DEPTH OF

FIELD-continued

Depth-of-Field Indicators

Depth

of

field can be read directly from

the

distance

scale

in

meters

or

feet

with

the

aid

of

the

color-coded

depth-of-field indicators engraved on

the

lens barrel.

Each pair

of

colored lines

on

either

side

of

the

central

distance scale index line corresponds

to

fjnumbers

of

the

same color on

the

aperture

scale.

To

find

the

depth

of

field

at

a particu lar

aperture,

first focus

the

lens on

the

su

bject while looking through the viewfinder.

Then

check

the numbers

on

the

distance scale

to

determine

the

zone

of

focus for

the

aperture

in

use.

The

three

photos

shown

clearly depict

the

changing

depth

of

field; with

the

photo

to

the

right,

the

field

is

shallow

at

the

fj4

setting,

while

the

photo

at

the

far right shows a

depth

of

field

extending from

approximately

2.7m (9 ft)

to

infinity

(00).

20

Lens set

at

f/4:

Shallow

depth

of

fie

ld

centered

on

the

rna,in

subject.

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