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Instruments loading (without counterweight): 13.5kg
Instruments loading (with counterweight): 18kg
Mount weight: 3.4kg
Super small and lightweight
The mount weighs only 3.4kg. Plus, it fits in one hand, so you don’t need a big bag for the mount.
A high-resolution encoder from Renishaw is built into the RA axis. As a result, a periodic error of only ±2.5 seconds was achieved. Choose the RST-135E mount if you are bothered or reluctant to use the autoguide system.
Counterweights Not Required
Counterweights not required. Of course, no effort is required to balance.
The performance of the worm gear mount is sensitive to the balance, but the RST-135E is not. No need to rebalance even if you change the eyepiece or camera.
Strain Wave Gear(Harmonic Drive)
Instead of worm gears, a new type of reducer called strain wave gear (harmonic drive) is used. Almost no backlash and no maintenance is required. As it is widely used in industrial robots, it is very durable.
CNC machined aluminum alloy AL6061 is used for aircraft. That’s why it’s small, light and stiff. The beauty of the machined surface increases the collection value.
WiFi is built in. You can control the mount via the SkySafari app on your smartphone. Ascom Driver can be connected via WiFi as well as USB. GOTO and AutoGuide are now wireless.
GPS receiver is built in. The position and time of the observer can be entered accurately and conveniently.
There is a built-in home sensor to find the mechanical origin. This is useful for permanently using Star Alignment data. Build an ultra-small remote observatory with the RST-135 mount.
Included in the package
RST-135E mount with Renishaw encoder
Hand controller (Hubo-i SE)
Cable for hand controller
Power cable (Alligator)
Power cable (5.5×2.1 DC Jack)
Adapter for camera tripod(3/8″ tap)
Adapter for PoleMaster
- 4mm Hex Wrench
Advantages of NEW Polar Alignment Base
- Adjustment precision doubles
The angle that changes when the adjustment knob is rotated one revolution has been changed
Altitude: 2 degrees-> 1 degree
Azimuth: 1.14 degrees-> 0.57 degrees
- Altitude adjustment part backlash reduced
Two additional bearings are used, and machining tolerances of the parts are minimized to significantly reduce backlash.
- Increased adjustment convenience
The shape of the altitude adjustment knob has been changed, making it easier to adjust without tools.
As the bearing is added and the angle per rotation is reduced, a smaller force is required than before.
The azimuth adjustment knob has been changed to allow the use of the T wrench provided with the mount.
- Increased rigidity of the altitude adjustment part
The possibility of breakage when operating with excessive force has been reduced.
Specifications – Mechanical
|Mount type||Dual mount – German Equatorial, Alt-Azimuth|
|Reducer||Strain wave gear (Harmonic Drive)|
|Load Capacity||13.5kg(without counter weight), 18kg(with counter weight)|
|Recommend Telescope||8inch Reflector, 5inch Refractor|
|Volume||14.4 x 13.1 x 25 cm|
|Material||Aluminum alloy AL6061, Steel, Brass|
|Reducer size(RA)||Model No. 17 (Based on HDS)|
|Reducer size(DEC)||Model No. 14 (Based on HDS)|
|Motor||Swiss made Maxon DC Servo Motor|
|Latitude range||0 to 90 degrees|
|High resolution encoder||Built-in RA axis, Renishaw|
Specification – Controller
|Max Slew Rate||1,800x (7.5deg/sec) – 16V DC|
|Input Power||DC 12V ~ 16V|
|Power Consumption(Tracking, 12V)||0.2A|
|Power Consumption (Slew, 12V)||1.0~2.0A|
|PC Connection||ASCOM Driver|
|GPS||Built-in (Hand Controller)|
|WiFi||Built-in (Hand Controller)|