Skywatcher 200PDS Ota Ha it reduces exposure time by

it reduces exposure time by a factor of 3

Apparent Field of View: 60 °

Alt-Azimuth Mount with Accessory Tray and Built-in Heavy-Duty Servo Motors

The optical quality and spot size across the entire image circle is unprecedented for an astrograph in this price range—or even that of a much more expensive instrument

Skywatcher 200PDS Ota Ha it reduces exposure time bySkywatcher Explorer 200PDS Dual Speed OTA Optimised for Prime Focus Photography Fast Cool Down Time The Explorer 200PDS is a high quality 200mm f 5 instrument optimised for prime focus astrophotography as well as being a fine performer for visual use. The telescope features a high quality, internally darkened rolled steel tube of excellent rigidity. An optically matched Sky Watcher M48 Coma Corrector (code 20233) is available separately for best