Controls in detail-continued, Wide-flash adapter sw-5 – Nikon SB 14 User Manual

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—CONTROLS IN DETAIL-continued

Wide-Flash Adapter SW-5

The angle of illumination of the SB-14 by itself covers the

picture angle of a 28mm wideangle lens. When the wide-

flash adapter is attached onto the front of the flash head,

it increases the illumination from 67° to 77° horizontally

and 48° to 56° vertically, providing just the right amount

of coverage when a 24mm lens is used.

Note:

With the SW-5 attached, the light output of the flash unit is

reduced, resulting in a decrease in guide number from 32 to 22 (ASA/ISO

100 and meters) or 52 to 36 (ASA/ISO 25 and feet). Automatic shooting

ranges with ASA/ISO 100 decrease to 0.6m to 5.6m (2 to 18 ft.) at f/4,

0.6m to 4m (2 to 13 ft.) at f/5.6 and 0.6m to 2.8m (2 to 9 ft.) at f/8.