Back to old design!
Questo prezzo è valido solo per il negozio online e può differire dal prezzo nei negozi fisici.

Lunghezza focale: 25 mm. Diametro esterno: 1,25"

Disponibilità

ID prodotto 73769
Marchio Explore Scientific
Garanzia 2
EAN 4007922050973
Dimensione confezione (LxPxH) 14x11x10
Peso spedizione 0.35
Descrizione

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
Specifiche
ID prodotto 73769
Marchio Explore Scientific
Garanzia 2
EAN 4007922050973
Dimensione confezione (LxPxH) 14x11x10
Peso spedizione 0.35
Schema ottico 4 elementi in 2 gruppi
Diametro barilotto dell’oculare, 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