General Optics

Discussion of optical systems and their characteristics.
New Topic
  • Topics
    Replies
    Views
    Last post
  • Optics Websites
    by mikemarotta »
    18 Replies
    22013 Views
    Last post by Don Pensack United States of America
  • What has happened with the Explore Scientific love?
    by Lady Fraktor Slovakia »
    41 Replies
    3686 Views
    Last post by Mike Q United States of America
  • Medidas del espejo primario y secundario
    by lunaluser Argentina »
    2 Replies
    758 Views
    Last post by lunaluser Argentina
  • How a lens creates an image
    by Nakedgun United States of America »
    2 Replies
    367 Views
    Last post by StarHugger United States of America
  • Focal Length
    by Graeme1858 Great Britain »
    13 Replies
    915 Views
    Last post by Don Pensack United States of America
  • Bell Howell Objective 36" F/8 - What type of Lens Elements are in it?
    by TheButcher United States of America »
    7 Replies
    640 Views
    Last post by Michael131313 Mexico
  • Last chance to purchase :)
    by Lady Fraktor Slovakia »
    2 Replies
    439 Views
    Last post by Lady Fraktor Slovakia
  • Correcting coma in my 102 f/5 Startravel
    by John Baars Netherlands »
    18 Replies
    1822 Views
    Last post by Lady Fraktor Slovakia
  • The Barlow Lens ?
    by Frankskywatcher United States of America »
    36 Replies
    3273 Views
    Last post by Frankskywatcher United States of America
  • Optical Reports
    by Lady Fraktor Slovakia »
    4 Replies
    886 Views
    Last post by John Baars Netherlands
  • Zoom EP questions
    by Ylem United States of America »
    6 Replies
    919 Views
    Last post by messier 111 Canada
  • Is this ruined?
    by Frazman United States of America »
    10 Replies
    1239 Views
    Last post by Frazman United States of America
  • Understanding the (so-called) Dawes Limit
    by mikemarotta »
    3 Replies
    17730 Views
    Last post by Don Pensack United States of America
  • Bino-viewing
    by Nakedgun United States of America »
    1 Replies
    652 Views
    Last post by Lady Fraktor Slovakia
  • Purchased a 2" Altair Astro Prism Diagonal
    by davesellars »
    11 Replies
    1624 Views
    Last post by Bigzmey United States of America
  • Prism versus diagonal in an old f/9 ED Vixen
    by John Baars Netherlands »
    10 Replies
    1920 Views
    Last post by Lady Fraktor Slovakia
  • Monocular review
    by Butterfly Maiden Great Britain »
    4 Replies
    1262 Views
    Last post by JayTee United States of America
  • Straight Spotting Scope???
    by Colorado Luckydog »
    9 Replies
    2317 Views
    Last post by Richard South Africa
  • Some lenses to play with on the cloudy days
    by j.gardavsky Germany »
    5 Replies
    4425 Views
    Last post by j.gardavsky Germany
  • Change your eye pupil size voluntarily?
    by AntennaGuy United States of America »
    15 Replies
    10353 Views
    Last post by AntennaGuy United States of America
  • Monolithic SCT from single cylider of glass
    by Chich Canada »
    0 Replies
    3076 Views
    Last post by Chich Canada
  • Coma correctors
    by turboscrew »
    6 Replies
    4978 Views
    Last post by turboscrew
  • Collimation change by off-center secondary's weight
    by SkyHiker United States of America »
    3 Replies
    2597 Views
    Last post by Don Pensack United States of America
  • The Conrady's Chromatic Condition ...
    by j.gardavsky Germany »
    7 Replies
    4647 Views
    Last post by Lady Fraktor Slovakia
  • Advances in telescope optics
    by The Happy Parrot »
    12 Replies
    5520 Views
    Last post by Thomas_M44
New Topic

Return to Board Index

Forum permissions


You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum