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The Pentax C-mount Manual Iris Lens (1") has a fixed focal length of 25.0mm and a back focal length of 15.80mm. The manual iris lens has a f/1.8 iris aperture and offers a horizontal viewing angle of 28.95°, with the minimum required object distance from the lens's image plane being 0.6m. The male thread of the C-mount lens mates with the female thread of the camera, ensuring rigidity. Locking screws make it compatible with both C- and CS-mount cameras.
Fixed focal length of 25.0mm
Back focal length of 15.80mm
f/1.8 iris aperture
Minimum object distance from the lens's image plane - 0.6m
Horizontal viewing angle - 28.95°
In the Box
Pentax C-mount Manual Iris Lens (1")
Table of Contents
Angle of View
Horizontal Angle Of View 1/4" 8.23°
Horizontal Angle Of View 1/3" 10.95°
Horizontal Angle Of View 1/2" 14.55°
Horizontal Angle Of View 2/3" 19.87°
Horizontal Angle Of View 1" 28.24°