Nikon SB 11 instruction manual Wide-Flash Adapter SW-3 CD

Wide-Flash Adapter SW-3 CD

The angle of illumination of the SB-ll by itself is 56° horizontally and 40° vertically-wide enough for use with a 35mm wideangle lens. When the Wide-Flash Adapter is clipped onto the front of the flash head, it in- creases the illumination to 67° horizontally and 48° ver- tically providing just the right amount of coverage when

a28mm lens is used. With the SW-3 attached, the light output of the speedlight is reduced resulting in a decrease in gUide number from 36 (ASAIISO 100 and meters) to 25. The ASAIISO 25 and feet guide number is reduced from 60 to 42 .

Note: To detach the Wide ·Flosh Adopter SW-3, first rotate the tilting flash head to other than the horizontal position. Then lift up the catch 01 the top of the S W-3 to remove it.

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