Zenith C User manual

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INSTRUCTION

MANUAL

V

SES(1JUZII(1JE

()

BJ EDI

N

EIIIJE

S

T

A N

K O IM

PO

RT

u

s

p

M

0

s c 0w

below'

\

The

"Z

nith-C"

is o

mirror

type 35 mm

f ilm

precision

merits

of up-to-dote

inioture

omero

possessing

oll the

meros.

mended

for

use

by omoteurs

to

photogroph

portro

its,

groups,

seporote

sport scenes,

etc. lt

used in

reseorch

institutes

ond

loborotories for

ing

through vorious

opticol

instruments:

for

in-

comero

con

be

conveniently

used

for

toking

photo-

T

nith-c"

uses

o stondord

perforoted

35

mm motion

in

length. This is

sufficient

for

mok-

24X50

mm in

size.

pictu

obout 1.6

m

Ing

36 exposures

mero

con

be

used

for

photogrophing

under

poor

nditions

or

in

full

dorkness os it is odopted

for

with

o

permits

losh

bulbs. A

controlloble

synchronizing mechonism

odvonced

scole ronging from

0

to

25 millisec.

hotogrophing

with

flosh

bulbs

of

vorious

types.

Th

lightin

use

of

The

the mi

mero

is of

the

mirror

type.

The

imoge

thrown by

onto o frosted

gloss

surfoce

is

viewed

through on

eyepte

e

oxis of

which

is

porollel

to

the lens

oxis. The

viewed

ge

is

direct. The

eyepiece mognificotion

is

!x.

The

f ielC vi$on

seen through

the

eyepiece is 20X28

mm.

The

zlnes

co

rhi

ro

hos

been designed

for

use

with

metol

mogo

open

outomoticolly

upon

closing

the

comero

c

cover.

The

comero

is furnished

with

o curtoin-type

shutter

giving

outomotic exposure speeds

ronging from

ln

to

lsn

sec.

The

o'B"-hond

exposure setting

is

employed.

The comero

mechonism

mokes long

",{"

exposures

possible.

The shutter

is

coupled

with

both

the

film odvoncing

mechonism

ond

the

outomotic

film

counter,

so

thot

winding

the shutter

outomoticolly tronsports

the

film ofter eoch exposure

ond

the

film

counter

indicotes

the

number of exposure

token.

lt.

pre'

vents

occidentol double exposures

on the some

port

of the

f ilm.

The shutter

releose

is interlocked

with the

mirror lift to

prevent

eutting-off

of

the

pictures

due

to the

negotive

field

being

not fully

open.

The

comero

provides

o

possibility

of relooding in ordi-

oory,

but

not too

bright,

light.

t50$il

Size

of film

Size of

picture

.

Film

mogozine

copocity

"lndustor-22"

or'ilndustor-50"

cooted lens:

focol length

fu ll o

pertu

re

Lens

opening

scole

.

Distonce

scole

Shutter exposure speeds .

Synchronizing

mechonism

scole.

.

Comero

overoll dimensions .

Comero weight

35mm

e

24X36

mm @

r

36

pictures

50

mm

r/3.5

3.5; 4; S.A; A;

U; lO

0.65 m

to

infinity

r/zai rlsoi

r/tooi r/zsoi

l/soo

sec.,

Bulb

("8")

ond Time

("4")

0 to

25

millisec.

78X90X138

mm

630

E

e

o

6r

The

mirror-type view-finder

diogrom

is

shown

in

Fig. 1.

It operotes together

with

comero

lens I ond

consists

of

swivel mirror 2,

plone-convex

lens 3,

the

plone

surfoce

of

which is

frosted,

pento-prism

I ond triple-lens

eyepiece

5.

With

the

mirror

in its

upper

position

21 the comero

gives

on inverted

imoge on film

plone

6.

With

the

mirror down,

the imoge is received

on

the frosted

plone

of lens 3. The

imoge

shorpness

on

the

f rosted

lens

3

plone

is

just

the

some

os on

the film

plone.

The inverted imoge of

the subject

given

by the comero lens is ogoin inverted by

mirror

2 ond

prism

4, ond

comes

to the

eye

through

eyepiece 5, os

o

stroight imoge.

To wind

the

shutter turn

the shutter

winding knob I

(Fig.

2)

os for os it

will

go

in

the direction indicoted

by

the orrow

engroved on

the

top cover.

At

the

some time,

this will move

the film, lower

the

view-finder mirror,

wind

the shutter ond bring into

oction

the

snop-shot counter,

,\

\

5

{

;\.v

6

I

a

\

rlg. r.'\

t

-

comero

lens;2

-

swivel mirror;3

-

plone-convex

lens

with

frosted

plone

surfoce;

,f

-

pento-prism;

5

-

triple-lens

eyepiece; 6

-

film

plone

z'.

\

The

snop-shot

counter

its

knurled

end in

either

is

reod

off

by

meons

of

upper

side

of

the

comero

shutter wound

uo.

The

shutter is

releosed

by

pressing

the releose

button t I

which hos

o

conicol

threod

to'occommocrote

o

coble releose.

The

e.xposure

sp"eds're

chonged

by

o

rittl;

lifting

ond

turrr-

ing the

exposure

setting

ring

l2

until

the

index

!ine

l3 ns

opposite

figure

indicoting

the

desireci

speed. The

ring lz

Toy

be

turned

only

through

the

port

of the

scqie

morked

B,

25,

50,

100,

250,

500

ond

bock.

d

io I

9 is

set ot z?ra

by

rotoirng

direction.

The number

of exposures

block

pointer

l0

engroved

on

the

.

Set

the

counter

ot

zero

with

the

Do

not

turn

it

in

the

intervol

between

B

ond

500

10

To

r,n;,nci

the

iilm bock

irrio

the

mogorine, with

the

shutter

releosed,

turn

lire

ring 7

so thot the

point

engroved

on

rt

rnov€s

to,.vords

the

letter

"n"

to

o

stop.

Then,

wind

the

filrn

by

rototing

the

filrn rewinding knob

l5 irr

the

direction

indi

coted

by the

orrow'.

Tlre

knob should be

rototed

urrtil the

for',;e

required

to

rotote

is decreqsed. This

shows

thot

tl-,e

iilrrr

hos

beerr

fully

rewouncj or:d

is

cornpletely

irr

the

frlCj9oztne,

The

!ens

is

tightly

screwecj

into

the ring ond

hos

the

nroLintii-rg

l9

(FiS.3)

with the distor.rce

scole.

Tlre

distorrCe

set

is

s

how'rr

by

the

recj

i

ndex 20.

ilre

lr:ns

opening con be

chonged

by

rototing

the

obieC-

irv*r

frcnt

rinq 21

unt!l

the

necessory

division comes ooposite

the irrdex

point

22.

For

converrient

chonging

of the

lens

open-

ing

tlrree

lens

opening scoles ore

engroved on the

ring

21 . They

hove

tlrree correspond ing index

points

22.

fhe iens

design

e'robles

lens

operrinqs to

tre set

with

irlt.rrs

ofr.

The lerrs

is

provided

with

the

depth of

freld

scole

23.

ilre

deptlr of

field

is the

distonce between

tlre

neqrest

ond

iiie

icrr.tl',est

objects in o

scei:e which wiil

be

shorp

in

the

;icture

The

depth

o(

field irrcr.ecses

crs

ilrs

lerrs

opening

,;

rnode

smollet, et

os

the

disto;-rce

focused

upon is

irrCreOSgd.

Fig.

3.

1- lsnsj 7

-

ody,isting rirrgi

ll

-

shurter

reieose

button;

l4

plug

socket;

l5 fiinr

rew.inding

knob; 16

-

synchron-

izinE lever;

17

syrrchronizotror.r

scole;

19

distonce

scole

rirrg;

20

distonce scole

poi.rter;

2l

lerrs

{ront

ringr 22

-

!ens

opening

scole

pornter;

23

-

deptn

of

field

scole

11

When

it

is

necessory

to

Pho'

imoge

will

be

sufficientlY

shorS

The

flosh

sYnchronizing

me(

o

ronge

of

0

to

25

millisec.-,

P!

bulbs-of

onY

tYPe.

The

bulb

i

meons

of

the

socket

14.

An

device

is

fixed

to

the

bottom

of

o

brocket

ond

the

triPod

:

types

differ

in

the

flosh

durot

ooproximotelY

to

one

holf

of

closes.

This

volue

(in milisec')

bulb

certificote,

should

be

se

17

by

turning

the

lever

16

un

if'"

-cott"tpon'ding

division

of

the

scole'

I

i

l

r8

ring;

25

nut;

26

eyelets;

Fig.

4.

objective

fostening

comero

triPod

lotch

i

27

28

lotch

ring

14

n

The

bottom

cover

jt olso

provided

with

lotch

26

lor

locking

the

cover

ond

ot

the

some

time openint

-tr,"

slit

in

tnl

mogozine.

.

T9

open

the

bottom

cover,

turn

the

lotch

ring

2g

counter-

clockwise

so thot

the

orrow

on

the

totch

points

t5

the

"n!r"u_

ing

"orKp",

Th-e_n

ope!

the

cover..

Mogozine

36

(Fit.

5i-;;;

toke-up_spool

30

ore

fitted

roosely

into-

the

comero

ond

con

be

eosily

removed.

Filters

to

be used

with

this

cqmero

should

hove

mounting

threod

size

of

33Xo.s

mm

ond

on

externol

diometer

o-f

36

mm.

{

a

30

36

trock

Fig.

5.

toke-up

spool;

mogozine;

C

film

I

15

The

mogozine

36 consists

of three

ports:

cose

31, cortridge

32

ond

spool

33

(Fig.6).

To open the

mogozine,

press

the

button 34

ond

give

the

cortridge

o

holf-turn

clockwise

until

it

comes

freely

out of cose 31.

After

this

spool 33 con

be

removed'

The

subsequent

looding

operotions should

be

corried

out in red

light

or in

complete

dorkness,

depending

on

the

type

of film

used.

Cut

the

end

of the

f

ilm

ond, holding the

spool

with its

heod inwords,

poss

the end

of the

film through

one of

the

spool

slits

ot its

wide

side. The sensitive

side

of the

film

should

foce downwords.

Bend

the end

of

the

f ilm

protrud-

ing from

the

opposite

(norrow)

side

of the slit ond

poss

it

into the

norrow

side

of the other slit. Then

fold

the

very

end of

the film three times

ond

pull

the

f ilm

so

os

to

wedge the

folded

end

in the

slit.

Fis. 6.

31

-

mogozine

cose;

32

-

mogo-

zine

cortridge;33

-

mogozine

spool;

34

-

mogozine

button;

36

-

mogozine

16

fl

;

l

:

{

I

'l

il

J

After

this,

continuing

to hold

the

spool with

its

heqd

in.

words,

rotote

it

counter-clockwise,

winding

the

film with

its

sensitive

side inside.

Wind

the

film

tightly

onto

the

spool.

N

o

t e

.

The

film

should

not

be

tightened

by holding

the

spool

ond

pulling

the

film

by

its

free

end

os

this

moy

scrotch

the

sensitive

loyer

os

o result

of friction

between

the

turns.

Do

not

touch

the

sensitive

side of

the film

with

your

f ingers.

Insert

the

spool

with

the

film

on

it

into

the

cortridge,

so

thot

the spool

heod

posses

through

the bottom

of

the

cor_

tridge,

Insert

the

cortridge

into

the cose,

teoving

the

end

of

the

film protruding

out

of it

ond

rotote

the cortridge

in

its

cose

counter-clockwise,

hotding

the

mogozine

with

its

heod

inwords,

until

the

lotch

locks.

All

subsequent

operotions

with

the

mogozine

con

be cor-

ried

out

in ordinory

light.

I

tf

1. To

engoge

the comero

mechonism,

turn the releose

button 11

ond the

ring

7

until

their

points

coincide

with

point

on

the comero top

surfoce,

2, Test

the operotion

of the

comero

wind

ing

the

shutter by turning

the

knob

I ond releosing

it

by

pressing

the

button 11. Toke

o

look

through the

eyepiece

to see

whether

the

mirror

system

is

working

properly.

3, Then,

open

the bottom

cover

ond

toke out the

toke-up spool 30.

4.

Drow

the

film

end out

of the

mogozine

to o length

of 9 or 10

cm

ond

cut it

corefully to

o shope os

shown in Fig.

7.

5. Holding

the

toke-up

spool 30

in

your

left hond

ond the looded

mogo-

zine

in

your

right hond

(see

Fig. 7)

fix

the

end of

the film under

spool

spring

"f[". Toke

core thot

the uncut

side

of the

film

lies

closely ogoinst

the

spool flonge.

6. Holding

the

open

comero with

its lens

outwords,

os is

shown in

Fig.7,

insert

the

film

into

the film

trock

"C"

by lowering

the spool

ond

the mogozine

evently

into

ploce,

ll

the mogozine

does

not

slide

properly,

f ilm

rewinding

knob

15

should be

turned

o

little until

it

does.

Fig.

7,

30

-

toke-up

spool;

36

-

moqo-

zine;

C

-

film

trock; f[

-

toke-up

sp6ol

spring

ic'

r$

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Zenith C User manual

Zenith C User manual

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