Nikon DG-2 2x Eyepiece Magnifier for Nikon D7000, D3100, D300S, D700, D90, D3X, and D3000 Digital SLR Cameras (Requires Eyepiece Adapter)
onlywire.comArticle by at 2011-07-02 04:28:29
Categorized in Camera & Photo,
An essay on the genuine construction of a standard microscope and telescope: with the application of a prismatic or catadioptric eye-piece to refracting and reflecting telescopes, ... By B. Martin.
reflectingtelescopes.netArticle by at 2011-08-06 03:59:12
Categorized in Catadioptric Telescope,
I love overhearing optical team conversations.
- S: I don't even know what this person is asking.
- O: They want to know the circumference of the binocular's eyepiece.
- S: Why?
- O: Some people have Christina Ricci or Liza Minnelli eyes.
- S: What should I tell them?
- O: The only thing you can do is refer them to a plastic surgeon.
Orion 40mm Sirius Plossl 1.25" Telescope Eyepiece
catadioptrictelescopes.orgArticle by at 2011-01-17 10:53:11
Categorized in Catadioptric Telescopes,
