- Focal length: 20 mm
- Field of view: 50°
- Lens-Design: 4 Lenses in 2 Groups , fully-multicoated
- Housing material: completely made from metal
- Rubber eyecup: YES, foldable
- Filter thread: YES
- Storage: Twist-pack
BRESSER 20mm Plössl Eyepiece 1,25″ (31,7mm)
Since years a well known and approved Plössl eyepiece. Ideal to improve the performance of your telescopes for a low budget price.
All the BRESSER Plössl eyepieces provide sharp and high-contrast images because of the 4-lens design. All lenses have fully-multicoated surfaces which prevents reflections efficiently. Every eyepiece is equipped with a foldable rubber eyecup to avoid straylight from the sides and the inner eyepiece shaft is carefully blackened as well. Housing and eyepiece shaft are completely made from metal – no plastic is used. Filter thread for use with colour- and nebular filters is also available.
All these Plössl eyepieces offer a much better image quality than all the very simple made Kellner and Huygens eyepieces.
FEATURES
- Focal length: 20 mm
- Field of view: 50°
- Lens-Design: 4 lenses in 2 groups , fully-multicoated
- Housing material: completely made from metal
- Rubber eyecup: YES, foldable
- Filter thread: YES
- Storage: Twist-pack
SCOPE OF DELIVERY
- BRESSER Plössl eyepiece with rubber eyecup
- Twist-pack
Technical Data
| OPTICAL SPECIFICATIONS | |
|---|---|
| Focal length | 20 mm |
| Apparent field of view | 50 degrees |
| GENERAL TECHNICAL DATA | |
| Colour | black |
| Eyepiece Barrel Diameter | 31.7 mm |
| Eyecups | Rubber eyecups, foldable |
| Material | Metal |
| Extended warranty | 5 years |
| DIMENSIONS & WEIGHTS | |
| Total length | 37 mm |
| Total width | 37 mm |
| Total height | 61 mm |
| Net Weight total (incl. accessories) | 95 g |
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