Nikon SB-27 - Manual (Page 50)

50
Bounce flash operation
(Applicable to all camera groups)
Notes on taking pictures with vertical bounce flash
The settings of the built-in bounce flash adapter and the diffuser
card vary depending on the focal length of the lens in use.
Nikkor lenses 35mm and longer
Set the built-in bounce flash adapter as shown.
—When set as above, you cannot use Nikkor lenses wider than 35mm.
(See the illustration [center] on the seal affixed to the bounce flash
adapter.)
Also set the diffuser card when you want to create a "catchlight" to
highlight the subject's eyes. (See page 53.)
Nikkor lenses 24mm and longer
Set both the built-in bounce flash adapter and diffuser card as shown.
—Even when set as above, you cannot use Nikkor lenses wider than
24mm. (See the illustration [bottom] on the seal affixed to the bounce
flash adapter.)
Always set the diffuser card whether you wish to create a
"catchlight" or not. (See page 53.)
Notes on taking pictures with flash in vertical position
• With the built-in bounce flash adapter mounted, use Nikkor
lenses 50mm or longer.
• With both the built-in bounce flash adapter and the diffuser card
mounted, use Nikkor lenses 35mm or longer.