Flash Photography
April 29, 2004 10-15
Notes for Using an Optional Speedlight • Flash sync speed is 1/125 second or slower when using an optional
Speedlight.
• Available ISO is 160 - 1600 (RAW files) or 160 - 800 (JPEG files).
• With the SB-26, 25, or 24, Flash Sync mode set on the Speedlight
overrides the setting on the camera.
• When Red-Eye Reduction or Red-Eye Reduction with Slow Sync is set
when an SB 800 AF, SB-80DX, SB-800 AF, SB-28/28DX, 27, or 26 is
attached, the Red-Eye Reduction feature turns on.
• Even when the optional Speedlight with the AF-Assist illuminator is
attached, the AF-Assist illuminator does not emit light unless the
conditions for AF-Assist illumination are met.
• When an SK-6 or SB-24 is attached, neither the AF-Assist illuminators on
the camera nor Speedlight light up.
• In Programmed Auto Exposure mode, the camera automatically controls
the maximum available aperture in relation to the ISO.
• When flash exposure compensation is set, appears in the
viewfinder without the compensation value.
ISO 200 400 800 1600
Maximum available
aperture Built-in Speedlight 3.3 4 4.8 5.6
Optional Speedlight 4.8 5.6 6.7 8
When ISO increases by one step, the maximum available aperture is
stopped down by 1/2 f/stop. If you are using a lens with a maximum
aperture smaller than those listed above, the automatically controlled
aperture range is from the lens’ maximum to minimum aperture.