User manual

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Table Of Contents

was

made

with

Kod?k

Super

X

Panchro-

matic

Film

for the picture

on

page

13.

DEPTH OF FOCUS

Depth

of

focus

is

the

distance from

the

nearest to the farthest objects

that

will

appear

sharp

in the negative

or

print.

It

depends

upon

the distance between sub-

ject

and

lens, the focal

length

of

the lens,

and

the size

of

the stop

opening

used; the

smaller the stop

opening

the

greater

the

depth

of

focus

or

range

of

sharpness.

DEPTH OF FOCUS INDICATOR

The

Depth

of

Focus

Indicator,

engraved

on

the disk

17,

page

2,

is

a help in

obtain-

ing correctly focused pictures.

After adjusting the focus

of

the

lens

for a

certain

number

of

feet,

turn

the

outer

ring

of

the

indicator

until

the

number

for

which

the lens

is

focused

is

at

the

pointer.

Example

I:

To

find

the

depth

of focus

when

the

lens

is

focused for five feet,

turn

the

outer

ring

of the

indicator

until

5

is

at

the

pointer; we now

can

read

the

depth

of

focus which

will be

obtained

with the

various

stop

openings.

Example

I