Nikon SB 20 Manual

A SERVICE OF

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2. Set aperture.

With Nikon

F-401

/N4004, use camera's aperture

dial. Don't forget to lock lens

at

minimum position. For other flash operations, set as follows:

For programmed TTL operation,

set to smallest

le

ns

aperture (largest I-number) and lock the lens apertur

e.

(For detai

ls,

see the

le

ns

instruc

ti

on

manual).

Lens

only

F-5011

N2020

with

TC·16A

Lens maximum

aperture

fl2.8

or laster

Slower than

1/2

.8

1/1.4

or

1/1

.2

1/1

.8,1/2, fl2.5 or

1/2.8

Aperture setting

1/2

.8 or larger I·number

(1/28,1/4,1/5.6,

etc)

115

.6 or larger I-number

(1/56,1/8,1/11,

etc)

1/2

or larger I-number

(1/2

,1/2.8

,1

/4,

etc)

1/4

or

la

rger I-number

(1/4,1/5.6,

1/8,

etc)

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