Moviecam 35mm Camera - modifications

Modifications for Moviecam Super 35mm Camera

1. Internal Flickerfree CCD Color Video Assist

The conversion to a flickerfree color video assist is designed to produce a flickerfree monitor image for camera speeds above 10 fps.

Specifications :

Signal system : NTSC or PAL standard
Picture elements- NTSC: 768(H) x 494(V), PAL: 752(H) x 582(V)
Scanning system: NTSC - 525 lines, PAL - 625 lines, 2:1 interlace
Sync system: Internal
Horizontal resolution: 470 TV lines
Mode: Color or B&W
Flicker reduction: 100% for speeds above 10 fps
Min. illumination: 1.5lux, F1.2 AGC:ON
White balance: ATW(auto), 3200K, 5600K
Digital gain control set by decimal pushbutton switch
Video output: BNC connector, composite signal 1Vp-p, 75 ohm
Power requirement: 24 V DC (from the camera's battery)
Power consumption: 3.1W (130mA)

Power on/off switch (3 position):
- Lower: the video assist is ON in black and white mode (B&W) and the red LED is lit.
- Middle: power is OFF and the red LED is not lit.
- Upper: the video assist is ON in color mode and the red LED is lit.

The flicker reduction switch (3 position):
- When set to the lower position, flickerfree mode FF is activated and the green LED is lit. This mode is designed to produce a flickerfree image for camera speeds above 10fps (mirror shutter of 180°).
- When set to the middle position, flicker reduction is off and the green LED is not lit. The video assist is in normal mode.
- NTSC - When set to the upper position, flickerfree mode FF30 is activated and the green LED is lit. This mode provides a 100% flickerfree image when operating at a camera speed of 29.97 fps or 30 fps. In this mode, flickering is reduced by 70% for camera speeds other than 29.97 fps and 30 fps.
PAL - When set to the upper position, flickerfree mode FF24/25 is activated and the green LED is lit. This mode provides a 100% flickerfree image when operating at a camera speed of 24 fps or 25 fps.
Flickerfree modes FF , FF30 (NTSC) and FF24/25 (PAL) will only be active when the camera is running. Once the camera is stopped, normal mode will resume.

Digital gain control:
"0" - Auto Gain Control (AGC) is OFF, CCD Iris is ON
"1" - Manual Gain (MG) 0dB
"2" - MG 2dB
"3" - MG 4dB
"4" - MG 6dB
"5" - MG 8dB
"6" - MG 10dB
"7" - MG 12dB
"8" - AGC is ON
"9" - MG 14dB

White balance switch (3 position):
- Lower: 5600K (fixed) - for outdoor shooting on sunny days.
- Middle: 3200K (fixed) - for indoor shooting under incandescent light.
- Upper: Auto White Balance is ON. The white balance is adjusted according to the color temperature transition of the subject. This mode is suitable for shooting with variable lighting.

Note: All switches are mounted onto the old external video control unit.

2. ARRI Standard 11 pin Fischer Receptacle (for ARRI Accessories)

With this modification the Moviecam camera becomes ARRI compatible. It allows the cameraman to control the speed of the camera, use the Film/Video Synchronizing Control and also digitally read out the speed and footage by the ARRI compatible accessories. Output voltage : 12 V DC, max. current: 1A.

The Moviecam Super 35mm cameras with AZ Spectrum's modifications are sold by:
Visual Products Inc.
790 Shiloh Ave. Wellington, OH 44090 USA
Ph. (440) 647-4999 Fx. (440) 647-4998