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RainBow Astro RST-300

RainBow Astro RST-300

Rainbow Astro RST135 half piers

Rainbow Astro RST135 half piers

Rainbow Astro RST-135E MNT000900

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$5,495.00

RST-135E Weightless Mount Counterweights Not Required Only 3.4kg weight 2.5arcsec PE Capacity 13.5kg (max 18kg) Strain Wave Gear (Harmonic Drive) Renishaw encoder 5-years warranty

This mount uses a strain wave gear instead of a worm gear.

Both Equatorial and Alt-Az are possible.

It can carry 30lbs without using counterweight. But its weight is only 7.3 lbs!!

See the bottom of the page for the recommended carbon fiber tripods on Amazon

 

$50 off QHY Polemaster when purchased together

Lead time is 1 - 2 weeks
SKU
MNT000900

Price Range: $5,495 to $7,200

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3.4kg

 

Although the capacity is 13.5kg (maximum 18kg), the weight of the mount is only 3.4kg. It fits in one hand, so you don’t need a separate large bag for this. The lighter the mount, the greater the frequency of use.

 

±2.5arcsec PE

 

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 up to 13.5kg. It is especially convenient for domestic mobile observation as well as overseas expedition observation.

 

Freed from balancing

 

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 Machining

 

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

 

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

 

GPS receiver is built in. The position and time of the observer can be entered accurately and conveniently.

 

Home Sensor

 

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-135E mount.



Mechanical

 Specification
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
Weight 3.4kg
Volume 14.4 x 13.1 x 25 cm
Material Aluminum alloy AL6061, Steel, Brass
Surface coating Anodizing
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

Controller

 Specification
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)
Home Sensor Built-in
Compatibility ASIAIR, StellarMate
Periodic error ±2.5arcsec (430sec)


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