Guide number at various film speeds, 200, 800 1600 | Nikon SB-24

GUIDENUMBER------------~~~~~~~~~~~

In manual flash and Repeating-Flash modes, apart from checking the shooting distance in the LCD panel , you can also determine the correct flstop using the following equation.

fl t _	guide number
s op -	flash-to-subject-distance

See table for the guide numbers at various film speeds.

Guide number at various film speeds						meters (feet) at ISO 100
						meters (feet) at ISO 100
Light output	24mm	28mm	35mm	50mm		70mm		85mm
Light output
~								50	(164)
1/1	30(98)	32(105)	36(118)	42 (138)		47 (154)		50	(164)
1/2	21 (69)	22 (72)	25 (82)	30 (98)		33	(108)	36	(118)
1/4	15 (49)	16 (52)	18 (59)	21	(69)	23	(75)	25	(82)
1/8	10.5 (34)	11 (36)	12.5 (41)	15 (49)		16.5	(54)	18	(59)
1/16	7.5(25)	8 (26)	9(29)	10.5 (34)		11 .5	(38)	12.5	(41)
								..

For film other than ISO 100, multiply the above figures by the follOWing magnifications:

ISO 25 xO.5

50xO.71

200x1.4

400x2

800x2.8

1600 x4

81

Image 81

Nikon SB-24 See table for the guide numbers at various film speeds, Guide number at various film speeds, 200, 800 1600

Contents

Nikon CONTENTS------------------------------------~ For Shooting with Varied Lens Apertures Manual FLASH-You Make All The DecisionsRepeating FLASH-For Multiple Exposure Thank you for purchasing the Nikon Autofocus 8peedlight FOREWORDI~~~~~Page NOMENCLATURE----------------------------~~~ Used for manual-exposure multiple flash operation see Sync/multiple flash terminal IillI 5 2 3 4 6 9 1318 m Usable Flash Modes with Your Camera Pa...ges25to49 ~tD S8-24 offers two types of flash synchronization, Rear NON-TTL Auto f!1 Ready-light will blink before shooting READY·L1GHT Warning Functions Or move closer to the subject After shooting On Position ···With Nikon FA, FE2 or FG Special Standby Function Exposure compensation Exposure Compensation Lighting Manipulation Camera Side Compensation Installing Batteries For Nikon F3·series camera with DE·2 or DE·3 finder Attaching Flash Unit to Camera Accessory ShoeFirmly tighten the locking wheel Camera with other finders 6 9 1318 mJ Inn60.8 1 1.5 ~t~1 91318m Adjusting Flash Head345 7101520304060ft With F4, F·801/N8008 or F·401s/N4004s Turn on the camen 346 91318m 60.8 1 1.5 2 3 4 6 9 1318 mZoo?1 ~mm 811.52 3 4 6 91318m Setting Angle of Coverage For other camerallens combinations 52 3 4 6 91318m Pages 25 to Metering system Camera FILL-FLASH Photography Matrix Balanced FILL-FLASH Standard TTL Flash CENTER-WEIGHTED FILL-FLASH With F·801/N8008 With F4 Set the S8-24s mode selector to TTL Matrix Balanced FILL-FLASH Operation0.8 1 1.5 2 3 4 6 91318m For Center-Weighted Fill-Flash Operation Programmed Auto Exposure Mode Overexposure warning ~P~QtD,-F22 ~1I 60.~~~+!318m Shutter·Priority Auto Exposure Mode FEE, but will fire Check the exposure With F4 cameraWith F-801/N8008 camera ~ l.J Aperture·Priority Exposure Mode BJ-I Overexposure warning IDJ \£L.J,I F Confirm the ready-light and in-focus With other lenses Manual Exposure Mode Desired value IIII~ Confirm the shooting distance range in the S8-24s LCD panel For example With zoom setting at 35mmWith an AF Nikkor or Nikkor lens w/built·in CPU Aperture to your selected lens aperture Flash Exposure Compensation 60.811.52 3 4 6 91318m4 5 7 1015 20 304060 ft 60.8 11.5 2 3 4 6 9 1318 m Illl~ l~...bn.....,J Front-curtain sync REAR-CURTAIN Sync FLASH-For Natural Light Flows Matrix Metering with 50mm fl1.4 lens at ISO Exposure mode TTL Auto lIn Flash with Nikon F·401s/N4004s 4 5 7 10 1520304060 ft 60.8 1 1.5 2 3 4 6 91318 m 1318m For example4 5 7 1015 0304060ft Lightly press the shutter release button and confirm Ready-light and in-focus indicator are on 0.8 1 1.5 2 3 4 6 91318m 4 5 7 1015 20304060ft Did For blinking ready-light warning, see pages 12 to FdJ Automatic Balanced FILL-FLASH Set the cameras film advance mode to single-frame shooting 501/N2020 and F-301/N2000FA, FE2 and FG ISO 25 to For example DUAL, P, or PHI. ForF-501/N2020 onlySet the lens to its minimum aperture Highest f-number 4 5 7 TTL Auto Flash For blinking ready-light warning, see pages 12 to ~lF Exposure Compensation with Camerasexposure Dial FILL-FLASH in TTL Auto iIll Flash Mode ~~~ For greater depth of field Aperture settingMaximum Lens aperture Lens only 0.8 1 1.5 2 3 4 6 91318m LJI~ For example Fully depress the shutler release button to take the picture Test Firing for Non-TTL Auto Flash ISO film speed Shooting distance range 6 91318 m Level of flash power full power 111, 1/2, 1/4, 1/8, or 1/16 60.8 1 1.5 2 3 4 6 9 1318 m Zoom mm F MIII-D 0.8 1 1.5 ~~\4 6 91318 m 4 5 7 10 h520304060 f t With other combinations Fully depress shutter release button to take the picture Batteries 60.811.52 346 91318m 57101520304060ft Manual FILL-FLASH60.811.52 3 4 6 91318 m 4 5 7101520304060ft Zoom I -=-mm e.LI MIl 60.811.52 3 4 6 91318m 4 5 7101520304060ft0.8 1 1.5 2 3 4 6 91318m 345 7101520304060ft Select the desired shutter speed 01520304060ft 101520 4060ft 91318 m For multiple flash exposures on one frame, use the S8-247101520304060ft 345 7101520304060ft 1520304060ft 60.811.52-3 4 6 91318m 4 6 91318m 1Hz When using Nikon F4 or F·801191318m With other combinations ZooM mm , MI U Background brightnessSubject overlap Guide number at various film speeds See table for the guide numbers at various film speeds200 800 1600 Diffusing LlGHT ~~~~ Rotation to right 900 -front-to left Bounce Flash Photography Procedure ~ ~1 1b 52!i3t~060ft Using a Diffuser Multiple Flash PHOTOGRAPHY-----------~ As the master flash unit, use Nikon Speedlight S8-24, S8-23 TTL Multiple Flash Photography ID---+ Tt~~--~ +~w~~~~lD~ Sc-,a~~~~~~~~ SC-19 SC-18 Accessories for TTL Multiple Flash Manual Multiple Flash Photography CLOSE·UP Flash Photography in TTL Auto Flash Mode Tips on Speedlight Care Page Battery brand TemperatureNew batteries Continuous use Balanced fill-flash operation Center-Weighted MeteringExposure control for available light Fill-flash Matrix Metering System HertzNon-TTL Auto Red-eye Construction ElectronicGuide number Zoom capability Shooting distance 0.6-20m2-66ftrange in TTL mode Range in a mode ModeOther features Dimensions Nikon 88-24 Meters Im~ Setting UP the 58·24 Close the lid, then slide the cover back to close Check battery power Push the M button Confirm TTL ~ mark is on If ~ mark is blinking Confirm subject is in focus Confirm the ready·light is on Released even with the ready-light on LCD panel display does not appearIncorrect display appears Ready-light does not light up