- 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
- Nexus II Review
- New Moon Telescopes 20”F/3.3 Review
- FIELD TEST OF THE BAADER MAXBRIGHT® II BINOVIEWER
- My Experience using SkyWatch for the Alphea All Sky Camera from Alcor Systems
- Astroart 7 - A Review and "How To" (Part 1)
- My experience using two 80-millimeter long-focus refractors
- GSO 8-inch TRUE CASSEGRAIN
- Celestron Regal 65ED M2
- Review: The Vixen FL55ss
- PrimaLuceLab Eagle Review
- interstellarum Deep Sky Guide Desk Edition
- Chronicling the Golden Age of Astronomy: A History of Visual Observing from...
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 22 2009 10:03 AM | BillP in Eyepieces (3mm - 13mm)
As many are aware, the TMB Supermonocentric eyepieces had multiple runs by the factory. The 1st run eyepieces were not parafocal, while the subsequent runs were parafocal; and blackening and baffling were also improved in
Dec 17 2009 12:48 PM | BillP in Eyepieces (3mm - 13mm)
In late 2008, Explore Scientific also entered the ultra wide race with the Explore Scientific 82 Degree Series which then became available in the Spring of 2009. Hallmarks of this line include
Dec 17 2009 10:50 AM | John Noble in Eyepieces (3mm - 13mm)
Just to set things straight, the 10mm Axiom isn't made of Neutronium though it does feel like a solid billet of aluminum. There is some heft, but not the sort that causes a Dobsonian to emulate a medieval trebuchet if
Nov 06 2009 06:23 AM | BillP in Eyepieces (3mm - 13mm)
The Pentax 2.5mm and 5mm XO series of eyepieces ("O" for visual Observation) were released by Pentax for the 2003 Mars opposition event. Based on my research of public online archives and marketing releases, Pentax¡¦s optical design goals for the XO series were