- iStar Optical’s Phantom FCL 140-6.5 review
- Who’s Afraid of a Phantom: Istar Phantom 140mm F/6.5, that is?
- SHARPSTAR 94EDPH APOCHROMATIC REFRACTOR
- My Losmandy G11T review
- FIELD TEST: THE NOH CT-20 ALT-AZ MOUNT
- SkyTee-2 Alt/Az Mount Review
- SharpStar Askar ACL200 200-mm f/4 astrographic telephoto lens
- A review of the Unistellar EVscope
- Astrotrac 360 tracking platform – first impression
- FIELD TEST: CARL ZEISS APOCHROMATIC & SHARPEST (CZAS) BINOVIEWER
- Omegon 32mm 70º SWA eyepiece review
- Review of iPolar hardware and software for polar alignment
- Review of the Hubble Optics 14 inch, f/4.6 Premium Ultra Light Dobsonian Tele...
- My experience with the Starizona Landing Pad
- A quick Review of the MIGHTY MAX 12V 100AH BATTERY
CNers have asked about a donation box for Cloudy Nights over the years, so here you go. Donation is not required by any means, so please enjoy your stay.
Dec 17 2009 11:30 AM | David E in Eyepieces
The prodigiously popular Plossl is a perennial pick with astronomers, young and old. Invented in mid-1800 by G. S. Plossl of Austria, it is one of the oldest eyepiece designs still readily available. His design, however, remained obscure for
Sep 15 2005 06:44 AM | Clive Gibbons in Eyepieces
First off, I'll admit to being a lover of old optics. Vintage scopes and accessories hold a special appeal to me. So, when I was clearing out some old space at work the other day and found something that looked tarnished and brassy,