M | Nikon SB-21 instruction

20mm- 24mm v ;'-;;( ~1oJe<ffJ!l1l\¥

For 20mm to 24mm lenses in reverse position

7''7 710

(ISO 100)

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28mm - 35 mmv;'-;;( ~1oJe<1tJ!l 1l\¥

For 2Smm to 3Smm lenses in reverse position

7''77 11

(ISO 100)

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50mm- 58mmv;'-;;( (71':7Cv;.-;;(~~<l ~1oJe<1tJ!l1l\¥ For SOmm to SSmm lenses (excluding Micro·Nikkorlenses) in reverse position

7°'77 12	m	( ISO 100)
Graph 12 0 .7

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80 mm - l05mmv ;'-;;( (71':7cv;.-;;(~~<l ~1oJe<1tJ!l1l\¥

For SOmm to 10Smm lenses (excluding Micro·Nikkor lenses) in reverse position

7 °'7713 m		( ISO 100)
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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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SB-21 specifications