Radial and axial ring encoders: What's the difference?
Off-axis Singleturn Modular Encoder – Lika USA
10pcs Solid/hollow Magnet Encoder As5048a As5600 Gimbal Motor Strong Magnetic Ring Standard 6x2.5/9.5x5x3/12x6x3mm - Handheld Gimbal Accessories - AliExpress
Amazon.com: MGT050-48 Motor Encoder Incremental magnetic encoder 100/400PPR (100PPR) : Industrial & Scientific
RLS Magnetic Ring Encoder MR075E060A120B00 Renishaw NEW with WARRANTY | eBay