Oculare Explore Scientific LER 52° AR 25 mm 1,25"
Lunghezza focale: 25 mm. Diametro esterno: 1,25"
| ID prodotto | 73769 |
| Marchio | Explore Scientific |
| Garanzia | 2 anni |
| EAN | 4007922050973 |
| Dimensione confezione (LxPxH) | 14x11x10 cm |
| Peso spedizione | 0.35 kg |
Solidly in the mid-magnification range for most amateur telescopes, the 25mm is a true workhorse for visual observers. If you love deep sky observing, eyepieces in this focal length range not only give healthy increases in magnification, but the contrast enhancement of giving a darker background sky can make all the difference of how galaxies and nebulae appear under suburban skies.
The Explore Scientific 52° LER mid-range focal length eyepiece is excellent flat-field multi-element ocular that can transform your visual astronomy experience. With an apparent field of view of 52 degrees, this eyepiece offer incredible value in a very nice eyepiece.
These eyepieces are the choice for observers wearing glasses – with excellent performance and durability. The rubber inlet and the foldable eyecups make handling and using in the field easy. The patented EMD-coating produces high contrast images and prevents reflexes and ghosting. The argon purging effectively prevents internal fogging, and you don´t have to deal with dirt, fungus or cleansing fluids getting between the lenses. The eyepieces are sealed – this makes sure you will be able to enjoy these eyepieces for many years to come.
Features:
- Large eye distance, large field and great image sharpness
- Excellent viewing position for people with glasses
- Excellent field sharpness even with fast optics
- 52° apparent field of view
- Argon-purging prevents internal fogging, the sealing facilitates cleaning
- Patented EMD-coating to maximize contrast
- Blackened lens edges to avoid reflexes
- All eyepieces of this series are parfocal
- Stainless steel barrel with conical security cutoff
The kit includes:
- 52° eyepiece
- Dust covers
- Protective bag
| ID prodotto | 73769 |
| Marchio | Explore Scientific |
| Garanzia | 2 anni |
| EAN | 4007922050973 |
| Dimensione confezione (LxPxH) | 14x11x10 cm |
| Peso spedizione | 0.35 kg |
| Tipo | standard |
| Schema ottico | 4 elementi in 2 gruppi |
| Diametro del barilotto, in | 1,25 |
| Materiale delle ottiche | vetro ottico |
| Trattamento lenti | EMD multi-coated |
| Lunghezza focale, mm | 25 |
| Campo visivo, ° | 52 |
| Distanza degli occhi, mm | 16.4 |
| Diametro diaframma di campo, mm | 22.7 |
| Filettatura filtro | ✓ |
| Annerimento dei bordi laterali | ✓ |
| Parafocale | ✓ |
| Flussaggio con argon | ✓ |
| Guarnizione o-ring | ✓ |
| Corpo | acciaio inox |
| Impermeabile | ✓ |
| Livello di protezione da umidità/acqua | immersione a profondità di 1 m fino a 30 minuti |
| Conchiglia oculare | gomma, pieghevole |
| Coperchio protettivo incluso | ✓ |
| Set con astuccio/custodia/borsa | copertura anti polvere |