Iris
Of stop. May also be referred to as iris diaphragm.
Diaphragm consisting of thin overlapping plates that can be adjusted to change the diameter of a central opening.
This concept's ID is @1~19436
Of stop. May also be referred to as iris diaphragm.
Diaphragm consisting of thin overlapping plates that can be adjusted to change the diameter of a central opening.
This concept's ID is @1~19436