Caption: Star diagonals.
Features:
The pentaprism gives NO inversion.
The Amici roof prism gives a point inversion which can be used to correct for the point inversion of most small astronomical telescope designs (e.g., the Keplerian telescope).
Credit/Permission: ©
User:Racer x 60659?,
before or circa 2006 /
Creative Commons
CC BY-SA 3.0.
Image link: Wikipedia.
Local file: local link: telescope_star_diagonal.html.
File: Telescope file:
telescope_star_diagonal.html.