The FL55ss is a high-performance, top-of-the-range fluorite apochromat that produces razor-sharp images of the night sky. Thanks to its compact dimensions and lightweight design, it is the perfect travel companion for demanding astronomers.
High-performance, top-of-the-range fluorite apochromat for mobile astrophotography and observers. Thanks to its small size and lightweight design, this high-quality fluorite refractor is ideal for excursions and air travel. It displays razor sharp and bright stars across the entire field of view of the full-frame image sensor (95% illumination with 44 mm image circle). The FL55SSS turns into a fast F/4.3 astrograph with the optional flattener and focal reducer. It allows you to use extremely short exposure times and a provides a large field of view for large nebulae or comets . Despite the small aperture, the FL55SS features a high-resolution HR eyepiece that produces stunningly clear images of the moon and the bright planets. When used for astrophotography, it delivers razor-sharp images of stars that are guaranteed to impress.
FEATURES
Objective lenses: 55 mm fluorite
Focal length: 300 mm F5.5
Resolution and limiting magnitude: 2.11, 10.5
Light-gathering power: 62x
Dimensions and weight: 80 x 282 mm; 1.5 kg
Adapter and connections: 31.7 mm receptacle, 60 mm thread