Optics

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  • Evolution of Eyepieces by Chris Lord
    by notFritzArgelander »
    19 Replies
    15102 Views
    Last post by j.gardavsky
  • Optics Websites
    by mikemarotta »
    18 Replies
    2485 Views
    Last post by Don Pensack
  • A Guide to choosing eyepieces
    by OleCuss »
    13 Replies
    14015 Views
    Last post by OleCuss
  • The 1X / 2X / 3X Magnification Protocol for eyepiece set selection
    by Don Pensack »
    3 Replies
    1754 Views
    Last post by John Fitzgerald
  • Creating a basic set of eyepieces for your new telescope
    by Lady Fraktor »
    65 Replies
    29576 Views
    Last post by tomthetank
  • Wide angle eyepieces useful?
    by turboscrew »
    6 Replies
    173 Views
    Last post by AntennaGuy
  • Finder for 20x80s
    by KathyNS »
    5 Replies
    182 Views
    Last post by pakarinen
  • Coma correctors
    by turboscrew »
    1 Replies
    47 Views
    Last post by Don Pensack
  • Hensoldt, like Dollond eyepiece rising from the ashes of the 18th century
    by j.gardavsky »
    2 Replies
    182 Views
    Last post by j.gardavsky
  • Celestron 15x70s
    by Graeme1858 »
    22 Replies
    552 Views
    Last post by KingNothing13
  • ASTRO BERLIN ORTH, Another missing link in the Evolution Tree of Eyepieces
    by j.gardavsky »
    4 Replies
    147 Views
    Last post by j.gardavsky
  • Question about a Celestron Ploessel that is part silver and part black
    by MistrBadgr »
    8 Replies
    182 Views
    Last post by Lady Fraktor
  • Small focal length, small exit pupil, large AFOV
    by 25585 »
    24 Replies
    448 Views
    Last post by notFritzArgelander
  • Anyone Ever Compare The APM 30mm UFF Against Same Focal Length Eyepieces?
    by Refractordude »
    5 Replies
    184 Views
    Last post by 25585
  • Change your eye pupil size voluntarily?
    by AntennaGuy »
    11 Replies
    441 Views
    Last post by notFritzArgelander
  • Baader Morpheus.
    by NGC 1365 »
    88 Replies
    12529 Views
    Last post by Don Pensack
  • Manufacturer locations
    by Lady Fraktor »
    7 Replies
    178 Views
    Last post by Don Pensack
  • Buying bino
    by Capt. Midnight »
    11 Replies
    476 Views
    Last post by helicon
  • Celestron Ultima 24mm
    by MistrBadgr »
    16 Replies
    483 Views
    Last post by MistrBadgr
  • Baader Q-Barlow
    by JayTee »
    17 Replies
    376 Views
    Last post by j.gardavsky
  • Partial Celestron Ultima Set for Sale
    by MistrBadgr »
    1 Replies
    101 Views
    Last post by Lady Fraktor
  • Astroscan Acquision
    by MistrBadgr »
    12 Replies
    436 Views
    Last post by MistrBadgr
  • Thoughts on Celestron Ultima 18mm vs Baader Classic Ortho 18mm?
    by MistrBadgr »
    16 Replies
    367 Views
    Last post by notFritzArgelander
  • Opera Glasses
    by GCoyote »
    3 Replies
    316 Views
    Last post by helicon
  • Parks Gold Series
    by MistrBadgr »
    24 Replies
    612 Views
    Last post by KingNothing13

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