The Cool-Lux LuxGear Follow Focus Ring 76-77.9mmfrom Cool-Lux LuxGear Follow Focus Ring 76-77.9mmis a seamless lens gear for lenses with a focus-barrel diameter of 76 to 77.9mm. It features standard 0.8-mod/32-pitch geared teeth that makes it compatible with cine-style follow focus systems. The gear slides onto your focus ring from the front or back of the lens and holds securely without the clamps, screws or zip ties that can interfere with your follow focus and limit your lens's rotation.

This gear is precision molded in high-durometer silicone and is available in 16 sizes, each designed to fit lenses within a two-millimeter diameter range, ensuring a tight compression fit on the focus barrel. To find the appropriate sized gear for your lens, please see the lens compatibility chart and sizing tools accessible by clicking on "Guides & Manuals."

Removable Cine-Style Lens Gear Ring    For Lenses with a 76 to 77.9mm Diameter    Slide-On Mounting, Compression Fit    No Dead Spots or Rotation Stops

Lenses with focus barrel diameter of 76 to 77.9mm, such as
Zeiss Makro-Planar T* 100mm f/2 ZF, ZF.2, & ZE
Zeiss Milvus 50mm f/2 ZF.2
Zeiss Milvus 100mm f/2 ZF.2 & ZE
Nikon 105mm f/2D
Canon 16-35 f/2.8L
Canon 17-40 f/4L
Canon 70-200 f/4L
Canon 135mm f/2L

0.8-mod/32-pitch geared teeth for compatibility with any standard follow focus system

Precision-molded, high-durometer silicone construction

Securely fits on the lens' focus barrel

Compression fit allows for easy tool-less installation and removal

Continuous 360° of rotation

Related Questions and Answers

Q: 1. Which ring fits the focus ring of the Canon EF 24mm f/2.8 IS USM Lens?

A: There is actually on one ring size and it is designed to fit every lens from 92-60mm in diameter. this is the first truly universal lens gear on the market that not only accommodates all the lenses in your kit but installs from lens to lens in about 2-4 seconds. Built with ergonomics in mind it is the only truly tool free and universal solution that promises to enhance your workflow and pay realworld dividends in the form of time and focus accuracy. Visit the Broken Anchor Design Website to learn more and see some video demos. Thanks for your interest. - Broken Anchor Design

Q: 2. Will this ring fit the focus ring on a canon 100-400 L IS ii? I realize the outer focus ring diameter is 94mm… but after measuring with the Cool Lux Gear sizing key (paper print out), the inner diameter of the focus ring falls in the 90 to 91.9mm zone. Would it possibiy work?

A: We do not recommend using this ring as it may be too small for the lens.

Q: 3. Will this work on a Leica R 35mm f2?

A: Check your focus ring diameter. If it's between 60-61,9mm this ring will work. On the Lux gear site there are helpful charts and indications. Good luck

Q: 4. Will this ring fit the focus ring on a canon 100-400 L IS ii?

A: It will not, this ring is far too small for that lens. The Canon EF 100-400mm f/4.5-5.6L IS II USM Lens, BH #CA1004002LIS, has an outer diameter of 94mm. Instead we recommend a Universal Lens Gear like BH #WILU. https://bhpho.to/2mtNn2G

Q: 5. Will this fit the Tokina 11-16 atx-i 11-16 f2.8 CF lens for Canon EF?

A: It will not. The Tokina atx-i 11-16mm f/2.8 CF Lens for Canon EF, BH #TO111628CFC, has an 84 diameter. Instead you need BH #COLG8485 which is the Cool-Lux LuxGear Follow Focus Gear Ring (84 to 85.9mm). https://bhpho.to/2VQAdgx

Q: 6. Is the rubber strong enough to resist the torque of a Title Nucleus motor? (Title rings are not strong enough even if they are 0.8)

A: The Cool-Lux LuxGear gear rings are designed to be compatible with all standard follow focus motors.

Q: 7. Will this work on a Sony FE 50mm 1.8?

A: Yes it will. The Sony FE 50MM 1.8, B&H # SO5018F, has an outer diameter of 68.6mm. This ring works with lenses between 68 to 69.9mm in diameter.

Q: 8. Will this fit a Canon 17-55mm f/2.8 IS EF-S?

A: It will not. The Canon 17-55mm F/2.8 has a 83.5mm diameter. Instead you would need B&H # COLG8283 which works with lenses between 82 to 83.9mm. https://bhpho.to/2wf9Uo5

Q: 9. Does it work for a Sigma 16mm F1.4 m4/3 lens?

A: Yes it will, the Sigma 16mm f/1.4 DC DN Contemporary Lens for Micro Four Thirds has a 72.2mm outside diameter.

Q: 10. What size do I purchase for use with the Voigtlander Nokton 25mm f/0.95 Type II Lens?

A: Please go to this web page and print out this template to determine the diameter of the lens and the matching size LuxGear. http://bit.ly/2phHhl7