* This gear ring is designed by CINEMATICS company, which is mainly used for 80- 90mm Filming Lens. * It adds the outside diameter of Lens, which can bring you more convenient. * The Gear Ring Is For Follow Focus, It Is With Film Industry Standard Module 0.8. * Flexible And Adjustable Design Screw Control Inner Diameter 80~90 Mm. * Allows Externally Focusing Lenses To Be Geared And Used With A Follow Focus Industry-Standard 0.8 Module. * Hard engineering plastic material. * Totally fits the movie industry standard. * Easy to install, and compatible with follow focus
Parameter: Name CINEMATICS CTX-8090 Suitable Lens 80mm-90mm Material Engineering plastic Color: Black Weight(Ring) 60g Thickness: 6mm width:12mm External diameter 116mm around (depend on Lens)
1pc 80mm-90mm Black Gear ring 2pcs screws ( 1pcs : 50mm, 1pcs: 30mm) 1x4mm Hexagonal Spanner
Most Helpful Customer Reviews
The best and worst part about these things is the size. They are the industry standard 116 outer diameter. This is great because on dslr lens, the focus throw is typically a pretty small range. With this larger diameter however, the focus range becomes much larger making it really smooth between focus points. The size is also nice because they have a consistent outer diameter but smaller inner diameter to fit different lenses. I use the 24-105 and 50 1.4 mostly and these are great on them.
The only downside to the size is that they are a little clunky to leave on your lens when your camera is not set up on a rig. Other than that they are great. They hold firmly to the lens (be sure not to overtighten though). They are made of a nice plastic that seems really durable as well.
Works well cheap and looks good.
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