RSF Motor Focuser for RC Telescopes
For use with the RSF-8, RSF-10, RSF-12
Description
This is a secondary mirror moving motor focuser for RC telescopes.
Rainbow Astro’s RC line of telescopes are equipped with a crayford focuser, but many users are replacing it with a more accurate focuser.
It is already in use for large RC telescopes.
- All custom-made large RC telescopes use secondary mirror motor focusers.
- The RSF series is provided as a DIY kit and can be easily installed by anyone.
Perfect compatibility
- The RSF Series can be easily mounted without damaging your telescope. The location of the secondary mirror will be the same. In addition, the optical axis can be readjusted easily after mounting the motor focuser.
ASCOM Driver
- The RSF series focuser supports the ASCOM Driver, convenient and precise control is possible by connecting to PC via USB. You can also create an autofocusing environment through your own independent programming. (this is not supported by Rainbow)
Features
Secondary Mirror Moving
- It is smaller than the size of the secondary mirror. You can lock the focal plane unit to prevent image shift.
Home & Temperature sensor
- A home sensor is built in to find the mechanical reference point of the focuser. The hand controller has a built-in sensor to measure the ambient temperature.
Hand controller
- The hand controller is included as standard, so there is no requirement of use of a PC. The focuser speed can be selected and fine adjustment is possible.
Support various software environment
- You can use the RSF controller application on your PC via a USB connection (for Windows). It supports ASCOM Platform 6.4.
Easily DIY
- All components are provided for direct mounting, so anyone can easily install it following the installation manual.
Specifications
- Type
- Secondary mirror moving focuser
- Motor
- Stepper motor
- Focusing stroke
- +/- 8mm (at focal plane +-/48mm)
- Minimum step
- 0.01mm (at focal plane 0.06mm)
- Operating temp.
- -20°C ~ 40°C
- Control
- Hand controller, Program, ASCOM driver
- Size
- Diameter 75mm, Height 82mm(zero position)
- Weight
- 560g (Focuser body)
| Size | RSF-8, RSF-10, RSF-12 |
|---|
Fast Shipping and Professional Packaging
Due to our longstanding partnership with UPS FedEx DHL as well as other major international carriers, we are able to provide various shipping options. Our warehouse personnel will pack each item according to our strict requirements. Before they are shipped, your goods will be thoroughly examined and secured. Everyday, we send to thousands of clients in different countries. This is a sign of our determination to become the largest online retailer globally. The warehouses and centers for distribution are in Europe, as well as the USA.
Note that orders containing more than one item will be processed according to the specific item.
Before shipping before shipping, we'll inspect thoroughly the items you've purchased. Most orders are delivered within 48 hours. The estimated delivery time is between 3 and 7 days.
Returns
The inventory is always changing and we do not fully manage it because of the fact that many parties are involved, including our warehouse and factory. Therefore, the actual inventory could change at any time. It's possible that your order will be unable to fill when you have placed the order.
Our policy is valid for 30 days. If 30 days have gone without a trace since the purchase and we are unable to offer an exchange or refund.
In order for your item to be returned it must be in its original packaging, unopened and in the same condition as when you received it in. It must also be in its original packaging.
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