For centering the light from the SB-R200 flash to an optical axis, which is especially effective in close-up shooting. Recommended for shooting distances within 5.9 in./15 cm (lens to subject).
It is recommended for lens to subject shooting distances within 5.9-in.
The SW-11 curves the light from the SB-200 Speedlight toward the optical axis to improve lighting effects when taking extreme close-up shots.
