Orion Explorer II 7-21mm Zoom Telescope Eyepiece
Item #08548
4.3 / 5.0
Not Available
The great thing about zoom eyepieces is that you can locate an object at low power and then just zoom in with no switching of eyepieces. The 7-21mm Orion Explorer II zoom telescope eyepiece has fully coated optics and long eye relief.
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  • More Info
    • The Orion Explorer II Zoom eyepiece lets you change magnification power without physically changing eyepieces
    • A twist of the zoom eyepiece housing changes focal length from 21mm to 7mm, providing a variety of viewing magnification powers
    • Eyepiece consists of four elements which are fully coated with anti-reflection coatings for clear views rich in contrast
    • Exceptionally long 33mm-to-16mm eye relief range allows eyeglass wearers to enjoy the entire view while still wearing their corrective lenses without vignetting
    • The 1.25" barrel is threaded for use with like-sized Orion eyepiece filters

    Now even the casual telescope user can enjoy the benefits of zoom eyepiece technology. A twist of the affordable 7-21mm Orion Explorer II Zoom Telescope Eyepiece housing changes the focal length from 21mm to 7mm, or to any focal length in between. That makes it ideal for locating an object at low magnification, then zooming in at higher magnifications for closer inspection. Without changing eyepieces! Actual magnification range will depend on the focal length of your telescope. It works equally well for astronomical or terrestrial viewing. This four-lens telescope eyepiece boasts fully coated optics and exceptionally long eye relief ranging from 33mm to 16mm. Apparent field of view is 30° at 21mm and 43° at 7mm. Rubber traction ring ensures a good grip. The 1.25" barrel is threaded for filters. A nice value in a quality zoom eyepiece!

    Warranty

    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 800-676-1343.

    Product Support

    Visit our product support section for instruction manuals and more

  • Important Shipping Information

    Orders received by 1pm Eastern Standard Time for in-stock item the same business day. Order received after noon will 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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