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The C-90 Maksutov Cassegrain that I bought was one of the first gen types. It also came with a dew shield which is a must have if you want to use a modern non-adjustable solar filter.The newer models (not Orange body) have a smaller dew shield so they the filters fit those. Modern C-90s have a longer focal length, which is better for astronomy. The older ones like mine up to and including models with the Orange bodies have a nice focus ring and are good for attaching a DSLR camera. Mine has both a set screw and screw on attachment for diagonal mirror or prism. Great multipurpose terrestrial or astronomical observation telescopes.
Verified purchase: Yes | Condition: Pre-owned
This little motor works very well. The only thing I would wish for is an external DC connector. As it is, you must fashion a wire/9V battery connector running from a DC supply into the housing, maybe needing to cut or drill for the wires to enter. How long could this last with a 9V battery? Also, the motor is large, making more mechanical interference with certain telescope tube positions. I would still recommend it if one has no other motor drive mount to use.
Verified purchase: Yes | Condition: New
It is lightweight, easy to use basic viewer for moon and planetary objects. Plug in and load software on your computer and you are ready to go.
Verified purchase: Yes | Condition: Pre-owned
The best. Solid and powerful for its size
Verified purchase: Yes | Condition: New