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Nikon SB-21 instruction manual Using the Focus Illuminator, With 5B-21B

Models: SB-21

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With 5B-21B

Blinking ready-light

Inside

On AS-14

viewfinder

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Problem and remedy

1)The AS-14 is set at TIL with a camera other than Nikon F4-series, F-801/N8008, FA, FE2, F-501/N2020, F-301/N2000 or FG. Reset flash mode selector to M.

2)In TIL mode, film speed setting on the camera is beyond the usable range. Use film within the correct range for TIL auto flash photography-ISO 25 to 400 with the FA, FE2 or FG; ISO 25 to 1000 with the F4-series, F-801/N8008, F-501/N2020 or F-301 /N2000. With the FA, the ready-light also blinks when the film speed setting on the camera is near ISO 12.

3)With the FA, FE2 or FG in TIL mode, the camera's shutter speed dial is set at a mechanical setting (M250, M90 or B). Reset shutter speed dial to another setting. For M250, M90 or B setting, reset the AS-14's mode selector to M.

On the F-501 /N2020 and F-301 /N2020, B is not a mechanical shutter speed setting; you can use any setting on the F-501 /N2020's exposure mode selector dial or F-301 /N2000's shooting mode selector dial.

4)When the shutter speed set on the FM2 or FE is faster than the flash sync speed. Reset to flash sync speed or slower.

The flash fired at full light output in TIL mode; lighting might be insufficient. (See page 37).

Note: With the Nikon F-401IN4004, the TTL mode is inoperable reg?rdless of ready-light indication.

USING THE FOCUS ILLUMINATOR ----------

When ambient light is insufficient for focu sing , push the focus illuminator button to provide illumination . The focus illuminator stays on approx. one minute unless you release the shutter ; releasing shutter turns off the focusing illumination lamp.

The illuminator houses two lamps. With four AA-type batteries in the con- troller, only one lamp lights up. To activate both lamps, use the external power source (see page 44).

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Image 41
Nikon SB-21 instruction manual Using the Focus Illuminator, With 5B-21B
Page 40 Page 42

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.