perfect star

PerfectTemp Temperature Sensor

Temperature compensation is a great feature of the PerfectStar focus controllers (excluding PerfectStarLite), but to perform to its full potential the sensor must read the temperature of the telescope accurately and not be influenced by the surrounding air, since they will change at very different rates.  That is, the sensor must be thermally coupled to the telescope tube and insulated from the air. This can be done with the standard sensor, but requires some planning an effort on the part of the user.  PerfectTemp makes it much easier:  Just place the sensor block face down on the telescope tube, secure […]

PerfectStar Focus Motor

The PerfectStar Focus Motor is a premium stepper motor designed to provide precise control of focus with many types and models of telescope.  Although intended specifically for use with the PerfectStar Focus Controller, the motor unit is also compatible with controllers from many other manufacturers.   Based on a top-quality stepper motor from Hurst, it provides the reliability and precision needed for demanding astrophotography applications. The motor is enclosed to protect the motor from dust and moisture. Likewise, the aluminum mounting collar encloses the focuser shaft (and reduction mechanism where present) to prevent dust from getting into this sensitive mechanism. […]

PerfectStar Focus Controller

With version 5.0 of the firmware and version 6.0 of the ASCOM driver, PerfectStar is now completely updated. Most functionality is now embedded in the controller itself rather than the driver, which makes it more robust and allows access to many features without a computer connection. The absolute position value is maintained in the controller – even when powered off.  The hand controller (now standard) is used to toggle temperature compensation, set the zero point, report the current position, and prepare for focuser lock and shutdown.  A new double speed mode provides faster rough positioning, which is very useful when […]