37mm standard filter thread, allows for the addition of a 37mm wide angle converter. 1 x VD-11X Director's Viewfinder. Filter Thread: 37mm P=0.75. Aspect ratios: 4:3 / 1.33 (TV, ~ Academy 35mm & ~ 16mm film), 1.66 (Super 16), 16:9 / 1.78 (HD), 1.85 (Widescreen 35), 2.2 (65mm film), 2.4 (Anamorphic), 2.55 (Dinemascope).
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