Nikon Camera F3AF User Manual download pdf (Page 55)

Focusing

Screen

Selector

Guide

TYPO

A:

Mane/Fresnel

f~ld

wifh

3mm~

circular

split-Image

rangelinder

spot

and

12mmcP

reference

circle

.

Rap

.

ld

and

accurate

focusing

.

Excellent

lor

general

photography

.

Type

8:

Mane/Fresnel

flElld

with

3mm41

fine-ground

matte

focusing

spot

and

12mm41

reference

circle

.

Good

for

general

photography.

especially

with

long

lenses

.

Type

C:

Fine-ground

matte

field

with

4mm4J

clear

spot

and

cross

hair

.

For

photomicrography.

astrophotography

and

other

high-magnilication

appllcat~ns.

using

parallax

focusing

on

aerial

Images

.

TYpo

D:

Overall

fine-ground

mane

liBld

.

For

specialized

close-up

photography

and

for

use

with

long

lenses

.

Type

E:

Matte/Fresnel

field

with

3mm¢

fine-ground

matte

spot

,

12mm~

reference

circle

.

and

etched

horizontal

and

..

rllcallines

.

Ideal

for

archnectural

photography

.

TYpo

G:

Clear

Fresnel

r~ld

w~h

extra-bright

12rnm~

mlcroprlsrn

focusing

spot

for

viewing

and

focusing

In

poor

light.

Four

models

(G1-G4)

are

available

corre-

sponding

to

specific

focal

length

lenses.

Depth

of

field

cannot

be

observed

.

Type

H:

Clear

Fresnel

field

with

microprism

focusing

pattern

over

the

entire

screen

area

.

Pennits

rapid

focusing

on

any

part

of

the

screen

with

optimum

edge-la-edge

brightness

In

poor

light

.

Available

In

lour

models

(H1-H4)

corresponding

to

particular

localleng1h

lenses

.

TYpo

J:

Mane/Fresnel

field

with

central

mlcroprlsrn

focusing

spot

and

t2

mm</>

circle

.

Good

for

general

photography

.

Typo

K:

Combination

of

Type

A

and

J

screens

.

Mane

/Fresnel

field

w~h

3rnm~

spl~

Image

rangefinder

spot

surrounded

by

lmm-wide

micnoprlsrn

doughnut.

Rapid

and

accurate

focu~ng

for

su

bjects

with

both

straight

lines

and

III-defined

contours

.

Suitable

for

general

photography

.

TYpo

L:

Same

as

Type

A

screen

but

with

spln-lrnage

rangeflnder

line

at

a

45"

angie

.

Best

lor

subjects

w~h

horizontal

lines.

Type

M:

Fine-ground

Fresnel

field

with

S.

Smmq,

clear

spot

and

double

cross

half

for

use

In

parallax

focusing

on

aerial

Image,

plus

millimeter

scales

for

calculation

of

indMd

uaJ

magnification

of

objects

or

tor

measuring

ob;ects.

Brilliant

Image

In

dim

light.

Su~bIe

for

close-ups

.

photom~rography

and

other

hlgh

-

magn~tlon

applications

.

Type

P:

Same

as

Type

K

but

with

split-image

rangefinder

line

at

a

45°

angle

and

etched

horizontal

and

vertical

lines

as

an

aid

to

composition

.

Rapid

and

accura

te

focusing

for

subject

with

horizontal

or

vertlcallines

or

til

-

defined

contours

.

Suitable

lor

general

photography

.

TYpo

R:

Same

as

Type

A

but

with

rangefindor

prisms

of

sloping

surfaces

at

a

smaller

angle

and

horizontal

and

vertical

tines

to

aid

proper

composition

.

't\brks

best

with

lenses

having

maximum

apertures

from

fl3

.5

to

1/5.6.

Type

T:

Matte

/Fresne

l

field

with

split-image

rangefinoor,

12mmq,

reference

circle

,

and

horizontal

and

vertical

lines.

Used

when

preparing

slides

for

TV

broadcasts

,

Dotted

lines

indicate

standard

TV

screen

format

.

SOlid

oulline

s

hows

"sa

le

action"

area

,

whereas

broken

nnes

indicate

"sa

fe

title"

area

.

Type

U:

Mane

/F

resnel

field

with

3mm¢

fine-ground

matte

focusing

spot

and

12mm¢

reference

circle

.

Utilizes

the

same

matte

field

as

Type

S,

but

with

lenses

longe

r

than

100mm

the

image

in

the

viewfinder

Is

easier

to

see

.

With

shorter

focal-

length

lenses

,

this

screen

Is

not

suitable

because

of

light

fall-of!

in

the

comer

.

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