An additional key feature is the rack and pinion focusing that is placed behind the primary mirror. The use of this focusing system eliminates the image shift associated with most other SCT systems. This is especially important when using high power magnification or astrophotography. When focusing, the image is stable and easy to adjust. Astronomy Technology
says "the f/9.75 focal ratio is noticeably faster than the typical Maksutov design ..which translates into a wider true field of view. Reaching focus is easy...Lightweight, portable, 8 inches of aperture, fast cool down, zero image shift, and reasonably priced - I guess it may be possible to have your cake and eat it too." Read the full review in Astronomy Technology Today
. The VMC200L Reflector is made in Japan and is covered by a Five Year Warranty.