Nikon SB-21 instruction manual Tips on Speedlight Care, About Batteries

TIPS ON SPEEDLIGHT CARE

I ~	-----------------------------------	To remove smudges, wipe with a soft dry or	- Keep the 58-21	and controller away from salt ~\
		silicon-treated cloth. Never use thinner, ben-	water and rain.
		zine or alcohol-they might damage plastic	- When not using the 58-21, remove controller
		parts.	batteries to avoid damage due to battery
	-	Never disassemble or repair the 58-21 and	leakage. If leakage occurs, take controller to
		controller; in case of malfunction, take im-	your nearest Nikon authorized service facility.
		mediately to an authorized Nikon dealer or	- When the 58-21	is not used for a long time,
		service center.	perform the following once a month:
	-	Never touch the controller sync terminal with a	1. Install batteries in the controller, turn on the
		metallic object.	58-21 and fire flash modules a few times.
	_ Keep the 58-21 and controller away from		2. Wait until the ready-light comes on .
		places where temperature is over 50°C	3. Turn off the 58-21 , and remove the batteries
		(122°F), and do not store in damp places. Use	from the controller.
		within range of - 1O°C- +SO°C (14°F-122°F).
------------------------------------				~
ABOUT BATTERIES
I ~	-----------------------------------New batteries		Battery brand	~	\
	Purchase the newest (freshest) batteries possible_ Do not mix battery brands or model numbers, or
	Temperature		new and old batteries.
	8attery life ratings are based on operation at		Disposal
	20°C (68°F). At other temperatures, battery life is		Do not dispose of batteries by burning, and never
	shortened. For low temperature operation, keep		disassemble batteries.
	spare batteries and if possible, use NiCd bat-		NiCd batteries
	teries.		Compared with regular batteries, NiCd batteries
	Continuous use		provide faster recycling and greater efficiency at
	Continuous use drains batteries much more		low temperatures.
	quickly than intermittent use.		8efore charging NiCd batteries, read instructions
	Storage		for batteries and charger.
	5tore batteries in a cool, dry place below 20 °C
	(68°F)
~	-----------------------------------			~

ACCESSORIES ---------------

Macro Adapter Rings BR·2A and BR·5

The Macro Adapter Ring is necessary for mounting a lens in reverse position on a camera body or bellows attachment. For lenses with a 52mm front attachment size, use the 8R-2A; for lenses with a 62 mm front attachment size, use the 8R-S.

Auto Adapter Ring BR·6

The 8R-6 is necessary for attaching the 58-21 to a lens mounted in reverse position. Automatic diaphragm operation is possible if the BR-6 is used with the AR-7, AR-4 or AR-10 cable release.

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