Meade #933 1.25" Image Erecting Prism for ETX60/70/80 Telescopes

Product ID: 71851
Compatible with ETX60, ETX70 and ETX80 telescope models
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The Meade #933 Image Erecting Prism for ETX60, ETX70 and ETX80 telescopes produces a correctly oriented image and convenient 45° observing angle for terrestrial observations. It is a great item for a home with a view or nature watching.

All ETX60, ETX70 and ETX80 models feature an internal flip mirror to reflect light to the telescope’s convenient 90° astronomical observing position. In this position the telescope’s image is upright, but mirror-reversed left to right. While this is normal and poses no problem for astronomy, for terrestrial observing a corrected image is highly desirable, which is where this useful accessory comes in.

For observing wildlife, a home with a view, or other Earthly applications, the #933 45° Erecting Prism results in an image both right side up and corrected left to right. It also provides a comfortable 45° observing angle which is more convenient for daytime work. The prism threads securely onto the rear photo port of the telescope.


  • Compatible with ETX60, ETX70 and ETX80 telescope models.
  • Not compatible with ETX90 or ETX125, see Meade #932 Erecting Prism for those models.