SKYWATCHER 0.77x REDUCER FOR ESPRIT 150ED AZ6000 4 mm (with field flattener)

4 mm (with field flattener)

It features a QE up to 91%

Focus with the main camera and then slide the prism along with the guiding camera in order to reach the focus

Thermistor jack 2

control box with on-board intelligence (Linux-processor)

SKYWATCHER 0.77x REDUCER FOR ESPRIT 150ED AZ6000 4 mm (with field flattener)The Sky Watcher 0. 77x Flattener Reducer for Esprit 150ED telescopes shortens the focal ratio of the 150ED to f 5. 4 and focal length to 810mm. Exposure time is reduced by 68% when compared to the native f 7 configuration. The illuminated and corrected image circle is 36mm, making it suitable for use with APS C sensors and smaller. The flattener reducer has a back focus requirement of 90mm (55mm when paired with the included spacer and M48 adapter),