Promaster 2500PK Super - Depth of Field Scale Explained

24 pages

Save Page as PDF

To Next Page

To Next Page

To Previous Page

To Previous Page

Loading...

Depth

of

Field

Scale

When

the

lens

is

focused

on

your

main

subject,

the

zone

of

sharpness

that

extends

over

a

distance

in

front

and

behind

the

main

focus

point

is

known

as

depth

of

field.

Your

camera

to

subject

distance,

focal

length

of

your

lens

and

the

aperture

you

select

all

have

an

effect

on

depth

of

field.

Generally:

1)

The

smaller

the

aperture,

the

greater

the

depth

of

field:

2)

The

farther

the

camera

to

subject

distance,

the

greater

the

depth

of

field;

3)

The

shorter

the

focal

length

of

your

lens.

the

greater

the

depth

of

field;

4)

The

zone

of

sharpness

behind

the

main

focus

point

of

the

lens

is

greater

than

that

in

front

of

it.

You

can

see

the

depth

of

field

range

by

using

the

Depth

of

Field

Scale

(20).

For

example,

using

a

50mm

lens

with

the

distance

set

at

5m

and

an

aperture

of

f/16,

the

Depth

of

Field

Scale

vvill

show

that

the

zone

of

sharpness

extends

from

about

2.7m

to

infinity.

15