Nikon Autofocus Speedlight SB-20 User Manual

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lt
@rsslIIr::-:r::-:a\
To create a
catchlight
for
the
subiect's
eyes:
Insert white
paper
into
the
SB-20's
re-
flector
slot so
a small
amount of
direct
illumi-
nation
fills in unflattering shadows
around
the
eyes.
i
,
--I-Ir-II:I:rrrr/
Using
A Diffuser
Place a translucent
material, such
as
one
or
more
sheets
of tracing
paper,
between
the flash and subject
to diffuse
light.
lt is recommended
that
you
experimenl
with different
flashto-diffuser
distances and/or
more
than one
diffuser.
Use
the SB-20 on
TTL or
M mode when using
a diffuser.

Nikon Autofocus Speedlight SB-20 Specifications

General

Bounce Angle	90 degrees
Power Source	4 AA batteries
AF Illuminator	Yes
Guide Number	25 (ISO 100, in meters)
Swivel Angle	180 degrees
Compatible Cameras	Nikon cameras with TTL
Flash Coverage	28mm lens coverage (with wide panel: 24mm)

Summary

Basic Operation

Installing Batteries

Step-by-step guide on inserting batteries into the flash unit for power.

Attaching Flash Unit to Camera Accessory Shoe

Instructions for securely mounting the flash unit onto the camera's hot shoe.

Programmed TTL Auto Flash Shooting

Steps for TTL auto flash operation with specific Nikon camera models.

Flash Shooting

Autofocus Flash Photography

Steps for performing autofocus flash photography with compatible cameras.

Determining Aperture

TTL Mode

How to determine the correct aperture for TTL automatic flash exposure control.

A Mode (for Non-TTL Automatic Flash Exposure Control)

Procedure for selecting aperture in non-TTL automatic flash operation.

M Mode (for Manual Flash Exposure Control)

Guide to determining aperture and light output in manual flash mode.

Guide Number

Ready-Light Indications

Ready-Light Warning Functions

Multiple Flash Photography

TTL Multiple Flash Photography

Setup for TTL controlled multiple flash units using master/slave configurations.

Manual Multiple Flash Photography

Close-Up Flash Photography in TTL Mode

Tips on Speedlight Care

Accessories

Specifications