Most questions can be answered here: Cine-Mod FAQ
The Cine-Mod is a modification process developed by Duclos Lenses that improves still photo lenses in several ways, making them more useable for motion picture applications. The Cine-Mod consist of three primary parts: A seamless focus gear, an 80mm front ring with 77mm filter threads, and de-clicked, damped aperture movement. Pricing can vary depending on size and complexity of some lenses. In general the prices are as follows.
If you would like to send your lenses in for the Duclos Lenses Cine-Mod, please download, complete, and include our Equipment Shipper in your package. All of these prices can change depending on a lot of variables but this is fairly common for most Nikon, Canon, Zeiss, and Leica lenses. If you have more questions, please read through the Cine-Mod FAQ and if you still have questions feel free to contact a Duclos Lenses rep.