Praktina FX - img005

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Should

you

have

decided

to

purcha;ge

the

model

with

distance

meter,

i.

e.

the

measuring

magnifier,

you

will

also see a

peculiar

circle

witlh a horizonta.}

line

acr06S

the

middle

.

In

this

range

finder

,

two

partial

imllges

ar

.e

set

against

eam

other.

Now

try!

-

but

with

the

lens

open

to

the

wide;gt

aperture!

Hold

the

camera

in

your

right

hand

and

turn

the

focusing

rin

g

on

-

the

-

lens

mount

with

your

left

hand.

Practise

tihis

manipu-

lation

thoroughly,

for

you

will

realize

thai

this

is

the

main

thing

in

quick-action

p'

hotography.

Do

the

s

ame

with

your

camera

at

eye-level.

You

will

see

that

the

sharpness

of

the

focusing

screen

image

varies.

Repeat

once

more,

this

time

observing

the

above-mentioned

circle.

Turning

the

focusing

ring

on

the

lens

mount

causes

the

two

partial

images

of

the

upper

and

lower

clear

sections

to

move

toward

,s

or

away

from

each

other.

This

becomes

most

'

easily

ap-

parent

with

ver

'bical

lines.

If

these

lines

in

the

two

halves

of

the

cirole

meet

exactly,

the

Jmage

is

in

proper

focus.

This

distance

meter

ehould

be

used

only

with

the

lens

at

£ull

aperture.

Focusing

ring

1