Rainbow Astro RST-300 Weightless Mount
Starting Price: $8,490.00
Price as Configured: $8,490.00
Price as Configured: $8,490.00
Brand: RainbowAstro / SKU: RA-MNT000300
- Counterweights Not Required
- Only 8.5kg weight
- Capacity 30kg (max 50kg)
- Strain Wave Gear (Harmonic Drive)
- Built-in brake (RA Axis)
- 5-years warranty

Need help deciding?
Tell us what you're looking for, and we’ll point you in the right direction. Email Us.
Tell us what you're looking for, and we’ll point you in the right direction. Email Us.
Specification | |
---|---|
Mount type | Dual mount – German Equatorial, Alt-Azimuth |
Gear | Strain wave gear (Harmonic Drive) |
Load Capacity | 30kg(without counterweights), 50kg(with counterweights) |
Recommend Telescope | 12inch Reflector, 7inch Refractor (without counterweights) |
Weight | 8.5kg |
Volume | 18.3 x 17.5 x 27.9 cm |
Material | Aluminum alloy AL6061, Steel, Brass |
Surface coating | Anodizing |
Gear size(RA) | Model No. 25 (Based on HDS) |
Gear size(DEC) | Model No. 25 (Based on HDS) |
Motor | Swiss made Maxon DC Servo Motor |
Latitude range | 0 to 90 degrees |
Specification | |
---|---|
Max Slew Rate | 1,200x (5deg/sec) – 16V DC 1,000x (4deg/sec) – 12V DC |
Input Power | DC 12V ~ 16V |
Power Consumption(Tracking, 12V) | 0.4A |
Power Consumption (Slew, 12V) | 4.0A |
PC Connection | ASCOM Driver |
GPS | Built-in (Hand Controller) |
WiFi | Built-in (Hand Controller) |
Home Sensor | Built-in |
Brake | Built-in RA axis : To prevent back-driving |
High voltage, reverse polarity input protection | Built-in |