📷 Camera Iris Diaphragm: F-Number, Exposure, Airy Disc and Depth of Field (2D front view)

Front view of a 12-blade cam-driven iris diaphragm. Set the f-number, focal length, focus distance and pixel pitch, and watch the clear pupil, relative exposure, diffraction (Airy disc) against the pixel, and the depth-of-field limits. Cam kinematics and pupil calibration follow the 3D page, with four in-page numerical checks.