The Touptek AAF Astro Automatic Focuser is a precise, lightweight electronic focus motor compatible with many telescopes on the market.

The AAF features a universal mounting bracket and a series of flexible couplers which provide a variety of installation options for a wide range of focusers.

The AAF is powered over 5V USB-C and has an impressive load capacity of 5kg. An external temperature sensor is included to allow for fully automated refocusing (depending on your capture software's capabilities). A manual hand controller is also included, allowing easy operation without the need for a computer.

The AAF is compatible with a wide range of capture programs using the ASCOM and INDI drivers.

Compatible telescopes

Sky-Watcher Evostar refractors, Newtonians
Sharpstar and Askar (all current models)
Sky Rover refractors
TS Optics / AstroTech refractors

Specifications

Dimensions	45 x 60 x 47 mm
Motor type	35 mm stepper motor
Torque	1.2 Nm
Max load	5 kg
Weight	TBD
Supported operating system	Windows, Linux
External temperature sensor	Included
Data interface	USB 2.0 Type-C
Power supply	5V DC
SKU	TT-AAF

Items included

Installation

Step 1: Use the included M3 screws to assemble the standard connection plate.

Step 2: Remove the coarse focusing knob from the telescope.

Step 3: Install the appropriately-sized flexible coupler to the focuser shaft using the two grub screws. Make sure one of these screws is lined up with the flat side of the focuser shaft.

Step 4: Attach the AAF to the other end of the coupler using the two grub screws. Make sure one of these screws is lined up with the flat side of the focuser shaft.

Step 5: Install the standard connection plate to the base of the focuser using the included M4 screws. The correct holes to use will depend on the specific focuser, so please refer to the telescope's manual.

Step 6: Connect the temperature sensor and hand controller.

TOUPTEK FOCUSER