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Eyepiece Zoom Sky-Watcher 7-21mm (31.75)

Eyepiece Zoom Sky-Watcher 7-21mm (31.75)

SKU:skywatcher-SW0319

Regular price €71,90 EUR
Regular price Sale price €71,90 EUR
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The Sky-Watcher 7-21mm Zoom Eyepiece is a versatile eyepiece that allows you to cover all focal lengths from 7mm to 21mm in a single eyepiece. This makes it ideal for astronomers and terrestrial observers who want to travel light and not be burdened with their entire range of traditional eyepieces.

It is particularly well-suited to small portable telescopes, such as the 80/400 which it converts into a true terrestrial telescope. The Zoom Eyepiece has a 1.25" (31.75mm) coupler and its focal length varies by rotating part of the eyepiece on itself.

Features

  • Coupler: 31.75mm
  • Apparent field: 30° (at 21mm) - 43° (at 7mm)
  • Weight: 164g
  • External diameter: 40mm
  • Eye relief: 17 (at 21mm) - 19mm (at 7mm)

All lenses are multi-coated. Good grip thanks to a rubberized knurling. Anti- parasite light bonnet included. Like most eyepieces, it is compatible with 31.75mm filters thanks to the presence of threading.

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