Svbony SV555 - 54mm f/4.5 Petzval APO Full Frame Telephoto Lens - F9395A avx When you purchase the ZWO

When you purchase the ZWO ASI715 Color Planetary Camera you will receive the camera body

Seestar S30 Pro instantly identifies and labels constellations in your view

and its central RMS radius is only 3 microns

When it is cooled to 0ºC

Renishaw Encoder mounted directly on the RA shaft

Svbony SV555 - 54mm f/4.5 Petzval APO Full Frame Telephoto Lens - F9395A avx When you purchase the ZWOSvbony 54 mm f 4. 5 Full Frame Telescope Lens Wide Field Petzval Design 3 group 5 piece objective lens structure 44mm Full Frame Accommodates APS & Full Frame camera Single Speed Focus An EAF kit is included should you wish to upgrade to autofocus with the optional ZWO EAF Electronic Automatic Focuser F 22 to F 4. 5 Aperture Range Graded adjustment ring and scale, convenient to use; Multi Compatibility M48x0. 75 filter thread & 186mm dovetail plate