Replace your Delrin lens gear with this solid aluminum XXS Simmod SIMple Fit Follow Focus Gear 20mm XXSfrom Simmod. This sleek, extra-extra small lens gear slips over any lens barrel from 55 to 58mm in diameter, providing an easy and sturdy gear for your follow focus motor. Two plastic CineStops are included to act as removable A/B end stoppers on the gear.

The durable ring comes with four compressible rubber inserts in 55, 56, 57, and 58mm sizes to accommodate different barrel diameters, and shimming tape is included in case there is any play with slight barrel size differences. The gear features an 80mm outer diameter and it measures 20mm wide.

Durable Aluminum Focus Gear    Fits 55-58mm Lens Barrel Diameters    80mm Outer Diameter, 20mm Width    0.8 MOD, 32-Pitch Gear    Includes Shim Tape, Compressible Inserts    Includes 2 x Plastic CineStops

• Extra-extra small (XXS) size
• Fits 55 to 58mm lens barrel
• 20mm width
• Solid aluminum construction
• 0.8 MOD/32-pitch gear
• 80mm outer diameter
• Includes 55, 56, 57, and 58mm compressible rubber inserts
• Includes shim tape for lenses with slight barrel size differences
• Includes two CineStops for removable A/B end points

Related Questions and Answers

Q: 1. Will this work with the Sigma 18-35 Art lens?

A: Hello Kerry,It works perfectly on the Sigma 18-35 Art. I just received mine a few days ago. It's one of the best solution out there to transform your lens with appropriate follow focus ring.Cheers

Q: 2. Will this gear function well with an Ikan Stratus follow focus?

A: Yes it will.

Q: 3. Can anyone tell me what size I should buy for sony 24-105 g f4?

A: For the Sony 24-105mm f/4 lens, you will need a 76-77.9mm ring. https://www.bhphotovideo.com/c/product/1219602-REG/cool_lux_lg7677_luxgear_76_to_77_9mm.html

Q: 4. Does this work with the Sigma 18-35 Art lens, considering it has 72 mm in diameter?

A: You chose wisely. This gear is listed by the company to fit the Sigma 18-35mm.

Q: 5. Would this fit the Nikon 24-70 2.8 ED lens?

A: I have several Nikon Nikkor lenses and purchased a few Cool-Lux LuxGears to fit them. The Cool-Lux website has charts showing which gears go with which lenses, but I actually measured the circumference of each of my lenses to determine the proper sizes to order. And, the rings I ordered fit perfectly.

Q: 6. 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: 7. Does this work for the Sigma 18-35 art lens?

A: It will not. The Sigma Art 18-35mm lens has a outer diameter of 78mm. Instead you would want the Cool-Lux LuxGear Follow Focus Gear Ring (78 to 79.9mm), B&H # COLG7879. This should work with that lens. https://bhpho.to/2r2qXr6

Q: 8. Will this fit the Zeiss Milvus ZE 18mm and 21mm and 25mm?

A: No, the Simmod SIMple Fit Follow Focus Gear (LG, 10mm) is too small to be used on those lenses.

Q: 9. As for the Sigma 18-35mm Art lens, will it fit both rings (zoom & focus).... or is the zoom diameter different from the focus diameter?

A: zoom is different, smaller. my caliper measures 75mm.

Q: 10. Does anyone know the right size for a Sigma 10-20mm f/3.5 lens?

A: Cool-Lux LuxGear Follow Focus Gear Ring (76 to 77.9mm)