For Film and Video
12:1 Zoom Ratio. Smooth zooming from wide angle to telephoto by push or pull like a telescope. The zoom range for the various formats is as follows:
Super 16mm film: 10 - 117mm
35mm film: 18-200mm
35 Anamorphic film: 35-400mm
2/3" video 7,2 - 80mm
1/2" video 5,2 - 58mm
1/3" video 3,9 - 44mm
Adjustable Aspect Ratio Ring:
You may adjust the viewfinder to the aspect ratio that is appropriate for your film or video application.
Available aspect ratios are: 1.33:1 standard TV, 35mm, 16mm, 1,66:1, 16x9 HDTV, 1.85:1 standard 35mm ratio, 2.35:1 (Panavision), 2,55:1 (Cinemascope)
Adjustable Focusing Ring for your Dioptrien.
Measurements: Diameter: 47mm, Length: 63 -90mm