Pentax SF-1 SF-1 Manual - Page 56

B

(BULB)

AND

100

(1/100

SEC.)

SETTINGS

►)C

b.Lb

►

r--

Pt

Nib,,

Select

the

"B"

(bulb)

or

"100"

(1/100

sec.)

setting

by

sliding

the

select

switch

to

the

UP

or

DOWN

position

while

holding

the

mode/drive

switch

at

the

MODE

position.

The

appropriate

indicator

will

appear

on

the

CENTIC

panel.

When

you

press

the

shutter

release

button

halfway

down,

the

indicator

"M"

will

appear

in

the

viewfinder.

Using

the

"B"

(Bulb)

Setting

Use

this

setting

for

long-time

exposures

of

subjects

such

as

fireworks

and

night

scenes.

The

shutter

remains

open

as

long

as

the

shutter

release

button

is

held

down.

•

When

using

the

bulb

setting,

stabilize

the

camera

with

a

solid

tripod

and

connect

the

optional

Cable

Switch

F

(with

a

lock

mechanism)

to

the

camera's

release

socket,

as

illustrated.

•

With

one

fresh

6V

lithium

battery

or

four

fresh

"AA"

-

size

alkaline

batteries,

a

long-time

exposure

of

approxi-

mately

7

hours

is

possible

under

normal

temperatures.

Using

the

"100"

(1/100

sec.)

Setting

This

setting

is

used

for

flash

photography

using

a

general

clip

-on

type

flash

unit

with

a

fixed

shutter

speed

of

1/100

second.

•

When

using

a

general

clip

-on

type

flash

unit,

the

aperture

must

be

set

manually

with

the

lens

aperture

ring

accord.

ing

to

the

ISO

speed

of

the

film

in

use,

the

distance

to

the

subject

and

the

flash's

guide

number.

(See

the

operating

manual

of

the

flash

unit

concerned.)

•

52

Pentax SF-1 SF-1 Manual - Page 56

Pentax SF-1 Manual

Page 56 highlights