FujiFilm instax mini 99 Quick Start Manual page 13

Shooting in Vignette Mode
The camera is equipped with a Vignette mode that narrows
the lens aperture and allows you to take photos with
reduced peripheral light. You can take artistic photos that
focus on the center of the image and darken the edges of
the photo.
Blade
Manual vignette switch
Vignette OFF
When you slide the Manual vignette switch, the blades
inside the lens will protrude. The Vignette function will be
applied to all shots taken while in this mode.
* The Vignette mode may not produce a desirable effect in
all shooting conditions.
Vignette ON
Be careful not to touch the blades inside the lens
while the lens is protruded.
EN
13