The SkyWatcher Evoguide 50ED image plane corrector enables the popular professional viewfinder guide telescope to be used for astrophotography.
Using the SkyWatcher EvoGuide 50ED image plane corrector, you can get point-like stars up to 28mm in radius. The ideal sensor length of the device is 17.5 mm, which is recommended primarily for use with dedicated astronomy cameras, not DSLR cameras. A T2 thread is available for camera connection.