Pentax 645 645 Manual - Page 43

2

2.

Rotate

the

aperture

ring

to

select

the

desired

f/stop.

Turn

on

the

main

switch;

a

slight

depressing

upon

the

shutter

release

button

will

cause

the

LED

indication

of

the

shutter

speed

to

appear

in

the

viewfinder.

Additional

pressure

on

the

button

will

release

the

shutter

to

photograph

the

subject.

Visual

warnings

during

aperture

-priority

AE

control:

In

the

event

light

levels

exceeds

the

shutter/

aperture

coupling

range,

the

shutter

speed

within

the

viewfinder

will

be

displayed

in

the

following

manner:

Iona

F

'

'000

IS"

1

F.

ICII

_1

(flow

-like

flickering)

Should

the

maximum

aperture

be

indicated,

select

a

smaller

aperture

by

rotating

the

ring

toward

the

direction

of

its

minimum

aperture

(f/22,

etc.).

However,

if

the

aperture

displayed

is

the

minimum

aperture

(f/22,

etc.),

rotate

the

same

toward

the

direction

of

the

maximum

aperture

(f/2.8,

etc.).

When

the

combination

reaches

the

shutter/aperture

coupling

range

by

changing

the

f/stop,

the

flow

-l

ike

flickering

in

sequence

will

cease;

proper

exposure

has

been

attained

and

photographs

can

be

taken

safely

with

this

AE

mode.

Should

the

light

level

exceeds

the

meter

coupling

range

the

shutter

speed

and

"F--"

indication

within

the

viewfinder

will

appear

as

follows:

loos

F-

-

:.Doo

F-

f

- -

(flow

-like

-

E

flickering)

(Refer

to

page

27,

"Beyond

the

meter

coupling

range.")

41

Pentax 645 645 Manual - Page 43

Pentax 645 Manual

Page 43 highlights