EXTERNAL POWER SOURCE ------------

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For an external power source, use Nikon AC Unit LA-2 or DC Unit LD-2. 80th require Nikon power cord SC-21 .

To protect the S8-21 from damage, observe the following .

AC Power Unit LA·2

1.Remove the batteries from inside the controller.

2.Using a coin, set the LA-2's voltage selector to the proper voltage setting. (Fig. 1)

3.Make su re the LA-2's power switch is turned off.

4.Slide the controller'spower source terminal switch down to uncover the power source terminal , then insert the SC-21 'sfemale plug so the arrows on the plug are aligned with those on the terminal. (Fig. 2)

5.Insert the SC-21'smale plug into the LA-2's power cord terminal so the white dot on the plug is aligned with the metallic dot near the terminal , then push until it clicks into place. (Fig. 3)

6.Plug the grounding cord (supplied with the LA-2) into the ground terminal at the back of the LA-2.

7.Plug the LA-2'sAC cord into an electrical outlet.

8.Turn on the LA-2. The LA-2'spilot lamp comes on immediately. (Fig. 4)

After use

1.Turn off both controller and LA-2.

2.Unplug the AC cord from the electrical outlet.

3.Unplug the ground cord from the ground terminal.

4.Unplug the SC-21 plug from the LA-2 's power cord terminal , grasping the plug by its metallic lock ring .

5.Unplug the SC-21 's other plug from the S8-21 .

 

 

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.",.---------

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About grounding

 

 

 

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• With electrical outlets hav·

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ing a ground terminal , se-

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curely connect the ground

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cord to the ground terminal.

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I • To connect the ground cord I

 

 

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to a metallic water tap, I

 

 

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wind the cord

securely

 

 

 

 

around the tap . (Plastic I

Fig . 1

Fig . 2

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taps cannot be used for

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grounding .)

 

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I • Never connect the ground I

 

 

\ ....

cord--------to a gas pipe.

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Fig. 3Fig . 4

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Image 44
Nikon SB-21 External Power Source, After use, About grounding, Unplug the SC-21 s other plug from the S8-21
Page 43 Page 45

SB-21 specifications

The Nikon SB-21 is a highly regarded external flash unit that has earned a reputation among photographers for its versatility and reliable performance. Designed for use with Nikon’s line of DSLR cameras, this compact flash unit is favored by both amateur and professional photographers alike.

One of the key features of the SB-21 is its powerful guide number, which provides robust illumination in various settings. This allows users to effectively light subjects even in challenging low-light environments or larger spaces where additional lighting is essential. The SB-21 also boasts a range of customizable settings, giving photographers control over the intensity and direction of light.

The flash offers a zoom head, which allows it to cover various focal lengths. This adaptability is particularly beneficial for photographers who frequently switch between wide-angle and telephoto lenses. The ability to zoom not only enhances light coverage but also ensures that the flash can be fine-tuned to match the specific needs of each shot.

In terms of technology, the SB-21 integrates Nikon’s advanced i-TTL metering system. This intelligent system measures the light needed for a scene and adjusts the flash output accordingly, resulting in well-exposed images with minimal user intervention. This feature enables photographers to focus on their composition without worrying about manual exposure settings.

The build quality of the SB-21 is another highlight, as it is designed to withstand the rigors of regular use. It features a durable exterior that enhances its longevity, making it a trustworthy tool for outdoor and event photography. Additionally, the flash unit supports wireless operation, enabling users to trigger it remotely for creative lighting setups.

The Nikon SB-21 also includes a variety of accessories, such as diffusion panels and bounce cards, allowing further customization of light output to achieve specific effects.

Overall, the Nikon SB-21 stands out as a reliable and feature-rich external flash unit that meets the demands of various photographic styles. Its versatility, intelligent technology, and robust construction make it an essential accessory for any Nikon photographer looking to enhance their lighting capabilities. Whether shooting portraits, events, or creative projects, the SB-21 delivers exceptional performance and quality, making it easier to capture stunning images in any lighting condition.
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