Description
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
- Compact, lightweight, and transportable
- Very high-quality standards, fluorite optics
- Suitable for full-frame photography
- Razor-sharp star images across the entire field of view
- Perfect for air travel and excursions
- High-quality workmanship, made in Japan
- Dimensions: 80 x 282 mm
- Weight: 1.5 kg
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 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
WHAT’S INCLUDED
- 55 mm optical tube with fluorite APO
- Dovetail adapter
- Extension Tube 60 mm
- Dew cap
- Dust covers
| FIELD OF APPLICATION | |
|---|---|
| Field of application |
|
| FOCUS GROUP | |
| Focus Group |
|
| PRODUCT FAMILY | |
| Product Family | Refractor telescope |
| OPTICAL SPECIFICATIONS | |
| Optical design | Apochomatic Refractor |
| Mirror/Lens diam. | 55 mm |
| Focal length | 300 mm |
| Aperture ratio | 5.5 |
| Angular resolution | 2.11 arc seconds |
| Visual limiting magnitude (approx., mag) | 10.5 |
| Type of coating | Fully multi-coated |
| Colour of coating | green |
| GENERAL TECHNICAL DATA | |
| Material OTA | Aluminium |
| Colour | white |
| Type of tripod thread | 60 mm |
| Transportability | very good |
| Dust protection caps | Dust protection caps for front lens and eyepiece holder |
| Mount Type | Optics without Mount |
| DIMENSIONS & WEIGHTS | |
| Total length | 282 mm |
| Total width | 80 mm |
| Net weight | 1.5 kg |
