On astronomical telescopes of even middling power, a small “finderscope” is often mounted in parallel to the main optics to assist in getting the larger instrument on target. The low magnification of ...

This lightweight 2.7-inch/70mm achromatic refractor uses its relatively long length to produce natural-looking views of planets and the moon, but with anything else it’s underwhelming. It’s also ...

Wrapped up in a compact package thanks to the Maksutov-Cassegrain catadioptric, the Celestron Astro Fi 102 is a no-frills telescope best suited toward lunar and planetary observing. The motorized ...