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 59 of 68 
Orion Telescopes
15mm Orion Expanse Telescope Eyepiece
€ 49.99
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In Stock
  • This 15mm telescope eyepiece offers a wide field of view and superior optical performance at a bargain price
  • Wide 66deg apparent field of view lets you see more of the night sky thropugh your telescope
  • Nice 13mm eye relief provides a comfortable view - no squinting required!
  • Delivers sharp images with good color correction and contrast
  • Aluminum eyepiece barrel is internally blackened to eliminate light scattering, and is threaded to accept 1.25" Orion filters

Learn more
Item #  08922e

Grâce à leur champ de vision apparent de 66 degres, nos oculaires à grand champ Expanse vont certainement en interesser plus d'un ! Vos experiences d'observation du ciel profond ne seront plus jamais les mêmes ! Imaginez si vous pouviez voir dans un même champ des objets tels que la galaxie d'Andromède, le Double amas de Persee ou bien le Sagittaire et ses nuages d'etoiles ! C'est desormais possible en dotant votre système de mise au point d'un oculaire Expanse ! Les oculaires Expanse sont equipes de grandes lentilles et disposent d'un degagement oculaire consequent de 14,8 mm.

Ceux d'entre vous qui portent des lunettes pourront visualiser le champ dans son integralite sans avoir à les ôter. Tous les elements de l'oculaire sont entièrement traites, la lentille externe etant recouverte d'un revêtement multicouche pour permettre davantage de transmission de la lumière. Chaque barillet de 1.25" (31,75 mm) en aluminium est filete pour accueillir des filtres et noirci à l'interieur pour eliminer toute dispersion interne. Et leurs ?illères en caoutchouc rabattables ameliorent le contraste en bloquant la lumière parasite. Avec nos oculaires Expanse, vous obtiendrez un champ de vision extra-large et des performances optiques superieures. Et jetez un ?il au prix : vous allez faire une bonne affaire ! 


Limited Warranty against defects in materials or workmanship for one year from date of purchase. This warranty is for the benefit of the original retail purchaser only. For complete warranty details contact us at sales-eu@telescope.com

Product Support
Visit our product support section for instruction manuals and more
  • Design
  • Eyepiece focal length
    15,0 mm
  • Barrel size
  • Apparent field of view
  • Eye relief
    13,0 mm
  • Coatings
  • Number of elements
  • Filter threads
  • Parfocal
  • Field stop diameter
    17,0 mm
  • Barrel security recess
  • Blackened lens edges
  • Rubber eyeguards
  • Body material
  • Case
  • Dimensions
    4,8 cm x 33,0 mm
  • Warranty
    One year

With their 66-deg apparent field of view, our Expanse wide-field eyepieces will definitely turn up the Wow! factor in your deep-sky observing experiences! Imagine taking in objects like the Andromeda Galaxy, the Double Cluster, or the star clouds in Sagittarius in one sweep! With an Expanse in your focuser, you can! Expanse oculars have big eye lenses and great eye relief. Eyeglass wearers can view the entire field without removing their glasses. All eyepiece elements are fully coated, with the outer lens multi-coated for additional light transmission. Each 1.25" aluminum barrel is threaded for filters and internally blackened to eliminate internal scattering. And their fold-down rubber eyeguards enhance contrast by blocking stray light. With our Expanse eyepieces you get a super wide field of view and superior optical performance. And check out the price. You also get a bargain! 

Orders received by 5pm UTC for in-stock items ship the next business day. When an item is not in-stock we will ship it as soon as it becomes available. Typically in-stock items will ship first and backordered items will follow as soon as they are available. You have the option in check out to request that your order ship complete, if you'd prefer.

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