Pentax 645 645 Manual - Page 64

INTERCHANGING

FOCUSING

SCREENS

2

To

interchange

the

focusing

screen

IF.

S.),

it

will

be

necessary

to

first

remove

the

lens

from

the

camera

body

and

turn

off

the

main

switch.

1.

As

seen

in

the

photo,

firmly

hold

the

camera

with

the

lens

mount

facing

up,

and

slide

the

focusing

screen

release

button

in

the

direction

of

the

arrow,

using the

tweezers

supplied

with

the

new

focusing

screen

set.

2.

The

focusing

screen

will

release

together

with

the

retaining

frame.

The

left

lever

located

within

the

lens

mount

should

be

held

down

by

depressing

the

preview

lever.

Remove

the

focusing

screen

from

the

frame

with

the

same

tweezers,

and

fit

it

into

the

groove

in

the

case

N

TAX

PEN

-

1

-

AX

t

irr

of

the

focusing

screen

to

be

replaced.

3.

Carefully

place

the

new

screen

on

the

frame

using

the

tweezers

provided

while

depressing

the

preview

lever.

Push

the

frame

up

utilizing

the

other

end

of

the

tweezers

as

illustrated,

until

it

snaps

into

position.

The

focusing

screens

are

made

out

of

a

special

optical

plastic;

thus,

careful

handling

is

essential.

To

clean,

use

only

a

blower

to

blow

away

the

dust.

It

should

be

handled

only

with

the

exclusive

tweezers,

held

by

the

edges

as

illustrated.

62

Pentax 645 645 Manual - Page 64

Interchanging, Focusing, Screens

Page 64 highlights