Product features:
1. There are many adjustable diaphragm blades
2. Smooth aperture, continuous adjustable, small shape, easy to use
model
Optical aperture Φ（mm）
Outside diameter Φ（mm）
thickness（mm）
number of blades
material
installation part
Maximum
Minimum
inner ring
outer ring (shell)
WN03ID28B
28
2
49
8
12
Steel
aluminum
thread table
