Iris diaphragms A 16.3.3

可变光圈

Chinese 可变光圈

English Iris diaphragms

Spanish diafragmas del iris

Code: A 16.3.3
Category: 16.3 Photography, cinematography, optics
Version: Vienna Classification, 10th edition (VCL 10, in force from 1 Jan 2026); English from the WIPO official text, Chinese is a J&C reference translation