- wide range of functions
- fast lens
- Cumbersome operating concept
Both telescopes have the same focal length, but the aperture of the Dwarf III is slightly larger than that of the S30. This results in a faster focal ratio of ƒ/4.3. The Dwarf also offers a little more of everything else: the native image field covers slightly more of the sky. The sensor has a 4K resolution, four times the pixel resolution of the S30...