Adding focus to next-generation instruments has never been easier! Build them smaller … make them smarter … do it faster … with the M3-FS Focus Module. Move M16 lenses with 0.5-µm resolution and amazing dynamic stability. The built-in controller takes 3.3 V and communicates directly with your system processor (SPI or I2C). Total size is 20 × 23 × 16 mm, including controller.