Electronic Auto Focusing

The hand unit has two switch-adjustable slow speeds which normally ramp up to a fast speed after two seconds. Placing the slow-speed switch between...

Optec Temperature Compensating Focuser-S3i No corners were cut with this model. The massive drawtube has a 3.00-inch I.D. and is made from 7075, t...

Optec Gemini Focuser Rotator Temperature Compensation: Like all Optec focuser products, Gemini includes a remote temperature probe for automatic te...

Tele Vue Focusmate Driver 10:1 This adjustable-speed, electric motor-drive installs easily onto the Focusmate unit, and offers a unique quick disco...

Introducing the New ZWO EAF 5V , this electronic focuser, like its previous version, enables precise, dynamic focus control for planetary and deep-...

The NEW ZWO EAF Hand Controller is the perfect way to control the EAF (Electronic Automatic Focuser). The smooth ergonomic design provides a comfor...

The ZWO EAF Temperature sensor can be connected to the ZWO EAF Motor Focus to enable an automatic compensation of the focus drift caused by changes...

ZWO EAF Bracket for C8-C9.25 Celestron Scopes (this part is defined as optional accessories for ZWO EAF) This bracket is designed to work with 8"...

Introducing the New ZWO EAF 5V , this electronic focuser, like its previous version, enables precise, dynamic focus control for planetary and deep-...

Following the long tradition of the TCF-S Temperature Compensating Focuser, Optec's TCF-LSI features a robust 2-inch Crayford-style design for smoo...