Tele Vue Plossl 20mm 1.25" προσοφθάλμιο

Περιγραφή

Τεχνικά Χαρακτηριστικά

• Brand
  Tele Vue
• Model / MPN
  EAP-20.0 (also referenced as EAP-20/0)
• SKU
  WLONONWCRE590
• EAN / Barcode
  0759270083717
• Optical design / series
  Plössl (Plossl)
• Focal length
  20 mm
• Barrel size
  1.25 in (31.7 mm)
• Apparent field of view (AFOV)
  50°
• Eye relief
  14 mm
• Number of lens elements
  4
• Lens groups
  2
• Field stop diameter
  17.1 mm
• Filter threads
  1.25" standard, M28.5 x 0.6
• Weight (product)
  ~85 g
• Maximum width
  ~33 mm
• Parfocal
  Yes
• Coatings
  Fully multi-coated optics
• Special features
  Blackened lens edges; internal anti-reflection threads; rubber eye guard; safety undercut on barrel
• Construction / Finish
  Black anodized metal barrel, rubber eyecup
• Country of manufacture
  Japan
• Warranty
  Tele Vue limited lifetime warranty
• Included accessories
  Protective container (examples: Agena eyepiece container 42 x 60 mm)
• Compatible accessories
  Tele Vue Powermates, Tele Vue Bino Vue binoviewer
• Intended use
  General observing: deep-sky and planetary
• Performance notes
  Diffraction-limited on-axis performance per manufacturer; designed to reduce astigmatism and lateral color at field edge

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