TeleVue Focusmate Driver 10:1 (NP-127is #1175+) - FDF-2004
Focusmate Driver, designed for scopes with the following serial #s and higher: TVNP-127is (#1175), TVNP-101is (#1227), & TVNP101 (1982) . Permits vibration-free, variable-speed, electronic motor control of the 10:1 Focusmate Fine Focus Accessory through a hand controller or computer control (see More Information section) . A tap on the button permits vibration-free focusing in steps as small as approximately 0.0005" or download TVFocusPlus. Switching between manual and motor focus is easily done with a unique quick disconnect that doesn't require tools.