Tele Vue FocusMate Driver 10:1

Focusmate Driver, designed for scopes with black pinion bodies . Works on the following scopes: larger scopes with the following serial #s and higher: TVNP-127is (#1175), TVNP-101is (#1227), & TVNP101 (#1982); TV-76 and TV-85 that came with Focusmate 10:1 standard. Permits vibration-free, variable-speed, electronic motor control of the 10:1 Focusmate Fine Focus Accessory. A tap on the button permits vibration-free focusing in steps as small as approximately 0.0005". Switching between manual and motor focus is easily done with a unique quick disconnect that doesn't require tools.