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Orion 4 mm LHD 80º Lanthanum Ultra Wide Eyepiece - 1.25" - 51042

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SKU: ORI-51042

Orion 4 mm LHD 80º Lanthanum Ultra Wide Eyepiece

  • This Orion Lanthanum is a 4 mm focal length, 8-element ocular that provides striking, panoramic views of the night sky.
  • Orion LHD eyepieces contain high-index, low-dispersion lanthanum glass for outstanding chromatic aberration control to allow true-color views with amazing clarity.
  • With an impressive 80º apparent field of view, all Orion LHD Lanthanum eyepieces provide an incredibly enveloping viewing experience.
  • A significant eye relief of 20 mm allows eyeglass wearing observers to experience the view comfortably.
  • Offers full multi-coatings and a tapered 1.25" barrel which is threaded to accept 1.25" eyepiece filters.

The powerful 4 mm Orion LHD eyepiece features an ultra wide 80º field of view and true-color lanthanum optics for stunning night sky views.

As with all Orion LHD eyepieces, this 4 mm model contains a lanthanum glass element to eradicate color-fringing and chromatic aberrations for true-color views of the cosmos with high contrast and amazing clarity. With an abunduntly wide apparent field of view of 80 degrees, users can enjoy a near panoramic viewing experience that must be personally witnessed to fully appreciate. Mesmerizing views of the Moon and planets as well as more subtle deep sky objects can be obtained by using this fully multi-coated 4 mm LHD Lanthanum Ultra Wide Eyepiece.

Designed with regards to viewing comfort, all Orion LHD 80º Lanthanum Eyepieces boast a large 30 mm diameter lens along with a significant 20 mm of eye relief to allow users to comfortably see the entire 80º field. Users who normally wear eyeglasses can leave them on while stargazing with Orion LHD eyepieces and still experience the full field of view without eye strain.

A tapered 1.25" barrel allows this 4 mm LHD 80 degree Lanthanum Ultra Wide Eyepiece from Orion to remain in place in focusers and diagonals in the event that a set screw becomes somewhat loose during use. The 1.25" eyepiece barrel has threads suitable for Orion 1.25" eyepiece filters.