Explore Scientific ReflexSight Multi-Dot Reticle Finder - ES-REFLECT-01 LRGB Filters The Tri-Pier is made of

The Tri-Pier is made of aluminum (pier and leg tops) and has stainless steel leg extensions

Once your scope stops moving

Internal homing sensors on both axes

Above image shows OAG-L with sensor tilt adapter installed on a cooled ASI camera with the M54F Adapter between them

still ideally sized for using a chair

Explore Scientific ReflexSight Multi-Dot Reticle Finder - ES-REFLECT-01 LRGB Filters The Tri-Pier is made ofMulti dot reticle design in standard 4. 0 degree, 2. 0 degree, and 0. 5 degree circular patterns that prevents blocking stars in the field. Fits on common mini Vixen style dovetail viewfinder bases which will allow the user to attach the device on almost any telescope without modification to the telescope itself. 1 4 x 20 threaded adapter is built into the base to allow the device to attach onto a variety of devices such as piggyback camera adapters,