Individual Grease Packs for DIY Iris De-Clicking

With the ever growing popularity of new and vintage photography SLR lenses being used for cinematic projects, the Cine-Mod®, popularized by Duclos Lenses back in the turn of the millennium, has become increasingly attractive to DIY users. Duclos Lenses recognized this trend and decided to bring a new product to market – Individual Grease Packs that can be used on an as-needed basis, at a fraction of the cost of more expensive German or Japanese greases. Designated: Dratsum 35, the new lubricant is the perfect material to give your project that cinematic feel it was missing. 


Each packet contains enough Dratsum 35 to accommodate approximately five lenses or one bratwurst. For a more cinematic feel, simply add more Dratsum 35. The individual packets make it easy to achieve just the right consistency to suit your project. No need to invest in large supplies of grease that you’ll only use a fraction of. No need to deal with costly, time consuming overseas sources. Dratsum 35 is FDA Approved and only contains 65mg of sodium per pack.


Available beginning April 1, 2018 in single packets, or a convenient 10-packs. Click here to order yours today!


For the real enthusiast or professional lens technicians, a larger bulk size will also be available soon.

Published by

Matthew Duclos

A connoisseur of fine motion picture lenses, Matthew has spent over half his life servicing, refining, selling, manufacturing, and collecting cinema lenses from around the world. Chief Operating Officer of Duclos Lenses and Founder of, Matthew has been contributing to the motion picture industry for over 15 years, and to this site for over 5 years.

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