Nikon SB 20 Manuel d'utilisateur

NikonAutofocus SpeedlightINSTRUCTION MANUAL

Aperture selection/shooting distance range panelSee pages 18 to 31.Before using the SB-20, peel off the protective paper covering the panel.

Light output index windowsUsed in M modeFlash mode indicatorsAperture index windowUsed in A modeFlash mode selector... u TTI mode—forpiuyiaiiiiiiyj 1

BASIC OPERATIONInstalling BatteriesRemove battery chamber ' cover.2 Load four 1.5 V AA-type ' penlight aikaline- manganese batteries or 1.2

Attaching Flash Unit to Camera Accessory Shoe^ Turn the mounting foot ' lock nut clockwise as far as it goes.Slide mounting foot ' forward i

Adjusting Flash HeadMake sure bounce angle ' set knob is set at 0°.W(Wide)For 28mm or longer lensesN (Normal)For 35mm or longer lensesT (Telephot

Programmed TTL Auto Flash Shooting (with Nikon F-501/N2020, F-401/N4004 or F-301/N2000) ------ ' ' ...Steps 9 through 11 provide inst

With F-501/N2020sWith F-301/N2000-|Q Set camera to a programmed exposure mode (P DUAL, P or P HI for F-501/N2020; P or P HI for F-301/N2000).With t

____41TTL mode is selected12. Set power switch to STBY (standby ‘ position) to turn on SB-20.LED indicating seiected fiash mode immediately lightsup.

13. Lightly press shutter release button and ' viewfinder ready-light comes on to indicate flash is ready to fire.For blinking ready-light warni

14. Fully depress shutter ' release button to take picture.Unless viewfinder ready-light blinks after the shot, your flash exposure will be p

iTCONTENTS^FOREWORD...NOMENCLATURE...BASIC OPERATION ...

AUTOFOCUS FLASH PHOTOGRAPHY (with Nikon F-501/N2020 or F-401/. N4004)In programmed TTL autofocus flash photography, use film with a film spe

2. Set aperture.With Nikon F-401/N4004, use camera’s aperture dial. Don’t forget to lock lens at minimum position.For programmed TTL operation, set to

For other flash operations, set as follows:Lens maximum apertureAperture settingLensonlyf/2.8 or fasterf/2.8 or larger f-number (f/2,8, f/4, f/5.6, et

3 Lightly press camera shutter release button.When ready-light comes on but ambient light is insufficient for autofocus operation, AF illumina

^ Confirm whether the green in-focus ' indicator LED iights up, then fuliy depress the shutter reiease button.If focus-not-possible indicator

SETTING CAMERA SHUTTER SPEEDSet camera’s shutter speed, referring to the table below.As shown.in the table, automatic sync speed setting is ava

DETERMINING APERTURE----------------------------------------TTL Mode(for TTL Automatic Flash Exposure Control)TTL mode is for exclusive use with Nikon

2 Align film speed in use with the film ' speed index.For intermediate film speeds, use figure nearest the film speed in use. With ISO 32

Select and set aperture.' The aperture scale window shows usable apertures. (Depending on film speed in use, all usable apertures may n

Usable apertures/shooting distance range in TTL modeUnit: m (ft)ISO film speedShooting distance range1000* 800* 400 200 100 5025With zoom set at WWith

NikonFür Besitzer einer Nikon F4/F4s und F-801Das SB-20 ermöglicht matrix-gesteuerten Aufheliblitz und Aufheilbiitz mit mittenbetonter Messung zusätzi

Exposure compensation in TTL modeWith a dark subject (with low reflectivity) or one that is light in tone (having high reflectivity), over- or

ISO 100—shifts to 0.6 m to 3.7 m at ISO 25.The Nikon F-401/N4004 has no exposure compensation diai, and compensates exposure with automat

A Mode (for Non-TTL Automatic Flash Exposure Control)Use the SB-20 on A mode for automatic operation with Nikon cameras other than Nikon F-501/N202

A-I М rTTLПТ Г.11 Il I_ Set SB-20’s mode selector to A.23

2_ Align film speed in use with film speed ' index.For intermediate fiim speeds, use the tigure nearest the film speed in use. With ISO 32

4, Select appropriate aperture and set aperture index knob.The aperture index window shows usable apertures. With the film speed index at ISO

5, Set your chosen aperture.With Nikon F-401/N4004, use camera’s aperturediai.26

Next, turn on flash unit and take shot in the same manner shown in “BASIC OPERATION,” steps 12 to 15.

Usable apertures/shooting distance range in A mode unit; m (ft)ISO film speedShooting distance range1600 800 400 200100 50 25Zoom set at WZoom set at

Exposure compensation in A modeWith a dark background (one with low reflectivity) or one that is light in tone (having high reflectivity), ove

NikonFor Nikon F4/F4S, F-801/N8008* camera usersThe Nikon Autofocus Speedlight SB-20 makes it possible to perform Matrix Balanced Fill-Flash and Cente

M Mode (for Manual Flash Exposure Control)In M mode, you can choose the amount of light output: full, 1/2,1/4, 1/8 or 1/16.To determine apertu

3, To read proper shooting ' distance, set distance scale selector to letter shown in zoom indicator window.Choose and set aperture.The aperture

Set light output selector to appropriate ' setting.Follow the appropriate vertical line upward from the distance scale window until it in

Next, turn on the flash unit and take shot in the same manner shown in “BASIC OPERATION,” steps 12 to 15.

To determine light output before selecting apertureUse the following procedure instead of steps 4 and 5 to determine light output before selecting ape

Guide NumberSee the table at right for guide numbers of the film speeds and zoom settings.In M mode, use the following equation to d

Unit: m(ft.)Light outputZoomsettingiSO film speed1600 800 400 200 100 50 25FullW88(289)62(203)44(144)31(102)22(72)15(49)11(36)N120(394)85(279)60(197)4

SETTING POWER SWITCHSTBY (STANDBY) PositionUse to conserve energy and shorten recycling time.With Nikon F-501/N2020, F-401/N4004, F-301/ N2000, FA

With other cameras:Though the ON position is normally recommended for turning on the flash unit, STBY can also be used.With other Nikon cameras, e

READY-LIGHT INDICATIONSF3-series5 7 10 IS 20 30 4050When the flash unit is turned on, the SB-20's ready-light lights up to indicate the flash is

FOREWORD=---------------Thank you for purchasing the Nikon Autofocus Speedlight SB-20. We hope the SB-20 will make photography a much

With alkaline-manganese batteries, if the ready-light takes more than 30sec. to light up, replace the batteries with a fresh sef.

Ready-Light Warning FunctionsTo prevent errors, the ready-light inside the camera’s viewfinder blinks in the cases listed below. When blinking

4) When shutter speed set on the FE or FM2 is faster than the flash sync speed. Set the shutter speed to the flash sync speed or slower one.5) With th

SYNCHRO-SUNLIGHT FILL-IN FLASH PHOTOGRAPHYFor backlit subjects, to fill in shadows and balance lighting, use the SB-20 even in daytime.In the followin

1. Set the camera shutter speed manually to a flash synchronization speed or slower speed.2. Frame the background in the camera viewfi

1. Determine correct aperture for the backlit subject (according to method on page 25) by referring to the SB-20’s aperture selection/distanc

1. Manually set the camera shutter speed to a flash synchronization speed or slower speed.2. Frame the background In the camera’s view

To eliminate harsh shadows caused by ambient daylight, decrease fiash iilumination by one or two f/stops using one of the methods below.1. Use an aper

DIFFUSING THE LIGHT

Diffused light eliminates harsh shadows and creates attractive portraits. There are two ways to diffuse light:1. Bounce light off a broad reflec

For Nikon F-401/N4004 camera usersRead the following instructions carefully when using theSB-20 with F-401/N4004 camera.1. Nikon F-401/N4004 camera is

Bounce Flash Photography Procedure1. Select a ceiling to bounce the flash from. In color photography, selecf a white or silver ceiling—other

5. Bracket your exposures. You are recommended to take additional shots with the camera's exposure compensation dial set in the + or

' mée. te«* srsM «rs !-~X^T\V\V'To create a catchlight for the subject’s eyes: Insert white paper into the SB-20’s reflector slot s

Using A DiffuserPlace a translucent material, such as one or more sheets of tracing paper, between the flash and subject to diffuse light. It

SYNCHRONIZATION WITH--------------------MOTOR-DRIVEN CAMERAIn M mode, you can perform sequential flash shootings with a motor driven camera at up to 4

MULTIPLE FLASH EXPOSURESTo create multiple-exposure “stroboscopic” effects or paint the scene with light, use the following procedure:1. Disconne

MULTIPLE FLASH PHOTOGRAPHY^1 I TTL Multiple Flash PhotographyUse the Nikon Speedlight SB-22, SB-20, SB-18, SB-16B or SB-15 connected to a

flash terminal. Because the SB-22, SB-21 B, SB-20, SB-18 and SB-15 are not provided with a TTL multiple flash terminal, it is necessary to use

System chart for TTL multiple flash operation

NOMENCLATUREMounting foot

AS-11 AS-11 AS-1045

Manual Multiple Flash PhotographyConnect the SB-20 and other flash units with the optional Nikon Sync Cord SC-11 or SC-15 via the SB-2

AVOIDING ‘RED EYE”______________“Red eye” is a common phenomenon in flash photography where the center portions of a subject's eyes appe

CLOSE-UP FLASH PHOTOGRAPHY IN TTL MODEWhen used with the Nikon F-501/N2020, F-401/N4004, F-301/N2000, FA, FE2 or FG camera, the optionai TTL Remote C

TIPS ON SPEEDLIGHT CARE•To remove smudges, wipe with a dry soft or silicon-treated cloth. Never use thinner, benzine or aicohoi—they might

•Keep the SB-20 away from salt wafer and out of the rain.• When not using the SB-20, remove batteries to avoid damage due to battery leakag

ABOUT BATTERIES------------------------------New batteriesPurchase the new (freshest) batteries possible.TemperatureBattery life ratings are based

NiCd batteriesIn comparison with regular batteries, NiCd batteries provide faster recycling time and better efficiency at low temperature

ACCESSORIES-----------------------------------Sync Cords SC-11 and SC-15For off-camera or manual multiple lighting setups or to connect the SB-20 to a

Ì» <»SC-17AS-1051

Flash headZoom indicator window Zoom set ringW (wide) for lenses 28mm or longerN (normal) for lenses 35mm or longerT (lelephofo) for lenses 85mm or &a

TTL Multi-Flash Sync Cords SC-18 and SC-19Use the SC-18 or SC-19 to connect flash units in TTL multiple flash operation. The SC-18 is approx. 1

SC-18AS-4AS-7SD-7

SPECIFICATIONSAll performance data are for normal-temperature operation [20°C (68°F)]Electronic construction Guide number (at manuai fuii iight output

Power sourcePower switchFour 1.5V AA-type alkaline- manganese or NiCd batteries: optional Battery Pack SD-7 holding six C-type batteries is available

Number of flashes and recycling time at manual full light outputBattery typeNumber of flashes (approx.)*Recycling time (approx.)AA-typealkaline-mangan

Usable film speed range in TTL modeUsable aperture range in TTL mode A modeUsable apertures in A modeISO 25 to 1000 with Nikon F-501/N2020 and F-301

AF assist LED Automatically fires LEDbeam toward the subject when performing autofocus with the Nikon F-501/N2020 (Single Servo) or F-401/N4004 camer

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No reproduction in any form of this manual, in whole or in part (except tor brief quotation in critical articles or reviews), may be made without writ

Reflector slotFor bounce flash (see page 41).Sync/multiple flash terminalFor (1) off-camera operation with a sync cord and (2) multiple flash photogra