Pentax 6x7 Marine User manual

PENTAX

SX7

CONTENTS

LENS

MOUNTING AND REMOVAL

····································

··············2- 3

LENS

CARE

.. ··

....···

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··

....··

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···

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.......................................·

4-5

DIAPHRAGM TYPES .......................................................................

6-7

LENS

HOODS

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·....

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··8- 9

FILTERS

.............

.......................................................

··.. ··

··

10-11

HANDLING

UNMOUNTED

LENSES

........

..............·

·..............

TELEPHOTO SHOOTING

·....

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··

·....··....

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···

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···

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INFRARED PHOTOGRAPHY ..···

···

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....

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....

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......··....

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SUPER-MULTI-COATING ·....····

·....

··

···

···....·....

··

····

·....

··

·....

··

....

TRIPOD MOUNTS

ERTICAL SHOOTING

WITH

LONG

TELEPHOTOS ..····

···

·····

···

····........

··

···......·

·....

··

·....·....·

-17

SIGHTING AND FOCUSING LONG TELEPHOTOS ......

·..............·

18-19

SMC TAKUMAR

90mm

LEAF

SHUTTER

LENS

......·..............

-21

SMC MACRO TAKUMAR 1

35mm

F4 ..·.......................................·

SMC

REFLEX

TAKUMAR

1000mm

..........................·....·........·

24-25

TRUNK CASE

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....

··

....·....

··

···

··

···

....

·....

··

INTERCHANGEABLE LENS ACCESSORIES ............·..................·........·

K & P

MOUNT

ADAPTORS/ 6 x 7 BODY

..........

.. ..

............

..........

LENS

SPECIFICATIONS

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·..·

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·29

INTERCHANGEABLE LENSES

PENTAX

Asahi Optical had its beginnings

lens maker and today

the

world

only

leading lens maker manufacturing a large

format

camera. All

interchangeable

lenses are computer-generation optics

designed in the Company's

own

engin-

eering department, manufactured in its

own

factories, and tested in its

own

labo-

ratories. Meticulous quality

control

over

each step

the manufacting process as-

sures maximum optical performance

with

every lens in the line.

lenses

truly

exist in a class

their

own. Giants in

terms

quality, precision

and

power

, each features a precision ba-

yonet

mount

which

matches up

with

the

camera perfectly, and each up

through

800mm

focal

length

offers

fully automatic

diaphragm

. In

addition

, each is

rugged

and durable construction

for

years

reliable use.

They

also

incorporate

host

ingenious features geared

toward

max-

imum operating ease.

Another

outstanding feature

the

lenses

Super-Multi-Coating, Pentax's

own

unique 7-layer coating process

which

increases

light

transmission

for

brighter

and crisper images, and also minimizes

flare and

ghost

images.

Please refer

the sections

these

instructions concerning the lens

lenses

you have purchased. Lenses

with

com-

mon characteristics are listed

the begin-

ning

the various sections

for

con-

venient reference

you

thumb

through

the manual. Sections

where

listing is

given are general instructions

for

all

lenses; there are also sections devoted

special purpose lenses (see "Con-

tents").

-INNER BAYONET

MOUNTING

LENSES;

_______

SMC FISH-

EYE

TAKUMAR

SMC PENTAX

SMC

TAKUMAR

SMC PENTAX SHIFT

SMC

TAKUMAR

SMC PENTAX

SMC

TAKUMAR

SMC PENTAX

SMC

TAKUMAR

SMC TAKUMAR

SMC PENTAX

M*ED

(IF)

SMC MACRO TAKUMAR

35mmf

/ 4.5

45mmf

/ 4

55mmf

/ 4

75mmf

/ 4.5

75mmf

/ 4.5

90mmf

/2.

90mmf

/ 2.S

105mmf

2.4

165mmf

/ 2.S

200mmf

300mmf

500mmf

/ 5.6

SOOmmf/ 6.7

135mmf

Lens

Removal:

All these

lenses mount

the inner bayonet

the Pentax 6 X 7 camera.

To remove the lens on the camera, press the

lens bayonet lock

illustrated in Photo A and

turn the lens

the

left

When the red

dot

the lens lines up with

the

dot

on the camera mount, pull out

remove the lens

from

the camera body.

Lens

Mounting

: Align the red

dot

the lens

with

the red

dot

the mount and insert the

bayonet tabs

illustrated in Photo B. Turn

the lens

the

right

until it locks

place with

a click.

Wiggl

e the lens back and

forth

slightly

test whether

mounted properly.

OUTER BAYONET

MOUNTING

LENSES

_______

SMC TAKUMAR

SMC

REFLEX

TAKUMAR

400mm

600mm

800mm

l000mm

All these

Lenses

match

with

the

outer

bayonet

mount

the

6 x 7 camera.

Mount:

Loosen

the

fastener ring

surround-

ing

the

lens

mount

and

position

with

the

white

dot

facing

upward

(Photo C). Then,

match

the lens

mount

with

the

outer

bayonet

mount

the

camera,

insert

the

bayonet

tabs

and

turn

the

fastener ring

the ri

ght

illustrated in

Photo

Note

: Check

that

the

lens is

mounted

securely

before

letting

the

bayonet

tabs have

not

caught

properly

the

lens

may

fall

off

when

you let

lenses are high precision optical in-

struments

and should be treated

accordingly

Protect

them

from

humidity

, salt air and dust;

not

store

them

damp

places. It is

good

practice

protect

the

lens

with

filter

when

using

near

the

seashore and

other

loca-

tions

where

dust

moisture

might

accumu-

late.

Cleaning: Do

not

wipe

the lens

with

a hand-

kerchief

other

rough

cloth

which

might

scratch the surface. Use

only

a rubber

blower

soft

brushes especially designed

for

lens

cleaning

for

removing dust

from

the

surface

a lens. To remove

most

the dust,

wipe

away

brush

away

gently

shown

in the

photo

on the

left

you should

fingerprint

a lens surface,

too

dirty

clean

with

a blower, clean

the

lens

with

either high-quality lens cleaning paper

or a very

soft

cloth wrapped around

the

end

a match stick, etc. The cloth

paper can

be dampened

with

lens cleaning solution

alcohol.

Wipe

gently

with

a circular

motion

from

the center

outward

When

cleaning

larger lenses,

wrap

the

paper

cloth directly

around your

finger

clean

effectively.

With

extremely

dirty

lenses,

shift

the

cloth

paper frequently

avoid

wiping

the

dirt

back

onto

the lens. A

few

wipes in this manner

should remove

most

stains.

gentle cleaning

fails

remove a stain,

the

lens should be

taken

into

authorized Pentax Service Center

for

servicing.

Excessive heat,

dropping

and scratches will

also damage lenses. Exercise care so

not

drop

lenses and

not

toss

them

around

carelessly. Always cover a lens

with

both

front

and rear caps when

storing

away in its case

bag.

When

not

using lenses regularly, especially

during humid weather, remove it

from

its case

and check

for

mildew.

Dry

out

the

case

necessary.

Light

mildew

can easily be

wiped

off

mildew

has

formed

the

inside

the

lens, the lens may require repair.

AUTOMATIC

DIAPHRAGM

LENSES-

_______

•

SMC

FISH

EYE

TAKUMAR

SMC PENTAX

SMC TAKUMAR

SMC PENTAX SHIFT

SMC TAKUMAR

SMC PENTAX

SMC TAKUMAR

SMC PENTAX

SMC TAKUMAR

SMC PENTAX

M*ED

(IF)

SMC MACRO TAKUMAR

35mmf

/4.5

45mmf

/ 4

55mm

75mmf

/4.5

75mmf

/ 4.5

90mmf

/2.

90mmf

/ 2.S

105mmf

/ 2.4

165mmf

/ 2.S

200mmf

300mmf

/ 4

500mmf

/ 5.6

SOOmmf/ 6.7

135mmf

/ 4

2.4

• 4 •

5.6

• 8 •

•

.8 6. 7 9.

513

All lenses listed in

the

chart

above feature

automatic

diaphragms

that

operate

the

same

manner

. The automatic diaphragm

will function

normally

long

the AUTO/

MAN

. lever

set

AUTO.

Q preview

the

depth

field or

release

the spring

for

operating

the

diaphragm man-

ually, slide the lever

downward

while pressing

the

serrated

top

shown

in the

photo

the adjacent page.

When

the lever catches

•

MANUAL

DIAPHRAGM

LENSES

-----------

it will lock on manual

(MAN

.). To re -engage

the automatic

diaphragm

, press on

the

lever

again and let go so

that

the lever returns

the AUTO position.

MANUAL

DIAPHRAGM

LENSES

SMC TAKUMAR

400mm

f/4

600mm

f/4

800mm

f/4

lenses

from

400mm

through

800mm

telephoto (except

500mm

f / 5.6) feature a

manual

diaphragm

which

stopped

down

rotating

the

aperture ring

the various

click-stop f-

number

settings. This

method

used

with

all long

telephoto

lenses, except

the

1000mm

reflex

telephoto

which

does

not

employ a

diaphragm

When

using manual

diaphragm lenses, focus

with

the

lens set at

maximum aperture, and

then

stop

down

shooting aperture

just

before

tripping

the

shutter.

Preset

Diaphragm

The

SMC

Pentax

75mm

shift

lens features

a preset

diaphragm

system,

whereby

the

shooting

aperture is preset

with

a preset

ring,

focusing and

composition

are per-

formed

at full-aperture. Then,

the

aperture

stopped

down

for

exposure metering and

shooting

turning

the

aperture ring until

matches up

with

the

preset ring, (Operating

details are given in

the

instruction

manual

furnished

with

the

lens.).

ACCESSORY

LENS HOODS

-----------IIIIII!

SMC PENTAX

SMC TAKUMAR

SMC PENTAX

SMC TAKUMAR

SMC MACRO TAKUMAR

45mmf

/ 4

55mmf

/ 4

75mmf

/ 4.5

90mmf

/ 2.B

05mmf

135mmf

/ 4

Lens

hoods

are available

for

the various

lenses. Certain

hoods

may

be used

interchangeably

, some

fit

only

one lens,

others

are

built-in

Screw-mount

lens

hoods

: The

90mm

and

105mm

lenses take

the

same lens hood;

likewise, the

135mm

and

150mm

lenses.

both

cases,

after

screwing

the

hood

into

the

threads

the

front

the lens

far

will

go, loosen

slightly

that

the angle

the

hood

is square

with

the camera

body

Spring

type

hood:

The lens

hood

for

the

55mm

4lens

is a spring

type

which clips

the

front

the

lens easily via

two

tabs.

Bayonet

mounting

lens

hood

: The lens hood

the

75mm

f/ 4.5 lens attaches

the lens

via a

two

tabbed

bayonet

fixture

. Match up

the

white

dot

the

lens

hood

with

the

white

dot

the

lens barrel and turn the

hood

the

right

until

locks in place.

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