(1) Close focus distance is measured from the image plane
(2) Horizontal angle of view for a full-frame camera aperture (aspect ratio 1:1.5, dimensions 36 mm x 24 mm / 1.42“ x 0.94“)
(3) Horizontal angle of view for an APS-H camera aperture (aspect ratio 1:1.81, dimensions 30.2 mm x 16.7 mm / 1.19“ x 0.66“)
(4) Horizontal angle of view for an ANSI Super 35 Silent camera aperture (aspect ratio 1:1.33, dimensions 24.9 mm x 18.7 mm / 0.98“ x 0.74“)
(5) Horizontal angle of view for a Normal 35 Academy camera aperture (aspect ratio 1:1.37, dimensions 22 mm x 16 mm / 0.87“ x 0.63“)
(6) Horizontal angle of view for an APS-C camera aperture (aspect ratio 1:1.50, dimensions 22.3 mm x 14.9 mm / 0.88“ x 0.59“)
(7) Horizontal angle of view for a Micro 4/3 (MFT) camera aperture (aspect ratio 1:1.33, dimensions 17.3 mm x 13 mm / 0.68“ x 0.51“)
(8) Front to PL mount flange