The ST25 Pro is Maxgeek’s flagship harmonic equatorial mount, engineered for stability, precision, and performance. With up to 30kg of payload capacity (no counterweights needed), this mount is built for serious imaging and heavy optical tubes.
Designed for zero-backlash movement, the ST25 Pro uses a 25:1 harmonic gear reducer and supports advanced tracking via ASIAir, NINA, or OnStep. This model also includes mechanical home and limit protections, an integrated USB + power hub, and a compact footprint ideal for remote or mobile setups.
30kg Payload Capacity – Carry large optical tubes, imaging rigs, or counterweighted scopes with confidence
Harmonic Drive System – High-precision tracking and minimal backlash
Built-In Hub – 4× 12V DC ports, USB + serial interface for cable management
Mechanical Home + Limit Sensors – Protects from overtravel and collisions
OnStep & ASCOM Compatible – Control via Wi-Fi, ASIAir, or PC
Lightweight Frame – Only 8.5 kg, perfect for travel astrophotography setups
