Custom Cine Lens Modifications

CinemaTechnic Custom Lens Modifications

Large Zoom Gear and Collar with Right Side Focal Length Markings
Lens Support Ring with Column
For Angenieux 11.5-138 T2.3 (shown) and 10-120mm T2.0

The Angenieux 12:1 series of zooms are some of the best performing zoom lenses ever made for the 16mm and Super 16mm format. However, because of their relatively large size, they should be used with a lens support. Also, the original zoom gear is so small relative to the size of the large focus barrel, that it is nearly impossible to use a zoom motor mounted on the lens.

Our solution was to make a new zoom gear, the same size as the original focus gear. This zoom gear is mounted on a collar that cover the area where the rubber ring was situated on the Zoom ring. Focal length marks are engraved on this collar so camera assistants can work the right side of the camera. The T-stop can arleady be read on the right side, and we offer custom-engraved follow focus discs so that focus witness marks can be read on the right side. This makes the lens “workable” from both sides, like the latest 35mm zoom lenses.

In order to install the Zoom Gear/Collar the lens has to be partially disassembled and the original zoom gear is machined off. We have listed this as a modification rather than a product, because installation requires modification of the lens. The lens support ring can be installed without modificatons to the lens. We are working on a zoom motor holder which will attatch to the Lens Support Ring. To recieve a quote on any of these Custom Modifications, please contact
Jorge Diaz-Amador at CinemaTechnic:

We will be adding more photos of other Custom Modifications we have performed in the future.

Zoom Gear and Collar from Left side of camera

Zoom Gear and Collar from Right side of camera

Lens Support Ring seen from the bottom, Lens Support Column is visible. This is the standard Column for use with a standard Support Bridge on ARRI 15mm or 19mm Support Rods. Column can be easily removed and replaced with a shorter one for use with ARRI Lightweight Support.

 

Optics for Motion Pictures and Digital Cinema

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