Technical Specifications
| Runtime |
2 hr 7 min (127 min) 2 hr 36 min (156 min) (Ultimate Final Cut) (Germany) 1 hr 59 min (119 min) (Dario Argento's European Version) (Italy) 2 hr 8 min (128 min) (DVD) (USA) 2 hr 19 min (139 min) (Extended Version) (USA) |
| Sound Mix | 4-Track Stereo (German prints) | Mono |
| Color | Color (Technicolor) |
| Aspect Ratio | 1.85 : 1 |
| Camera |
Arriflex 2C
Arriflex 35 BL I |
| Laboratory | Technicolor, New York, USA (color by) (as Technicolor/New York) |
| Negative Format | 35 mm |
| Cinematographic Process | Spherical |
| Printed Film Format | 35 mm |
