Aperture locks in place to size of nut
Dial changes size of Aperture opending
Lock/Unlock button locks Aperture into place
Dial is turned
Aperture locked in place
Dial rotates and changes size of Aperture opening
Button locks Aperture into place
clear Acryfic
light
light power button
dial
lock/unlock button
lock indicator
Aperture
Aperture guard
hanging insert
edge wrench is concaved to create a groove for finger to run along while rotating dial to change size