V+F Lens Control Manual v1.0 Preston Cinema Systems 1659 Eleventh Street Santa Monica, CA 90404 tel 310-453-1853 fax 310-453-5672 www.prestoncinema.
Table of Contents 1. 2. 3. 4. 5. Description Operation Specifications Cables FCC Statement 1. Description. The V+F Lens Control is available as a single channel wireless/cable control (p/n 4050) or a cable only version (p/n 4051). Both are used with DM-1 or DM-2 digital motors. The cable only version is intended to control the iris function of cinema style lenses mounted on video cameras.
2. Operation . p/n 4050 Wireless Version p/n 4051 Cable Only Version VLC Receptacles Mounting Bracket p/n 4342 A. Camera Connections and Mounting a. Secure the V+F Lens Control to the Matte Box Support Rods using the Mounting Bracket. The jaw opening is adjusted to accommodate different rod sizes by turning the free half of the bracket as shown in the picture above. b. The V+F unit can be powered directly from the camera, or through a separate power cable.
VLC and Digital Motor with brackets B. Set-up Procedure-Video Camera Calibration i. Power the camera. ii. Wireless Version only: Set the mode to Video by pressing the mode button until the “Video Iris” LED is lit. Press the “Cal” button. The Digital Motor will find the end stops of the lens. The f2.8 LED should be blinking. Using the knob on the VLC to move the iris to f2.8 and press the “Cal” button again. Now the F16 LED will blink. iii. Cable Only Version. There is no mode switch on this unit.
Remote Iris Box p/n 4020 3. Specifications Size 107mm x 66mm x 45mm (4.2" x 2.6" x 1.75") Weight: 350g Power Requirements: 11 - 30 VDC 0.2A quiescent at 12VDC. 4.
This equipment has been tested and found to comply with the limits for a class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.
