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Technical Reports




Thoughts on Optical Aberrations and simple tele...

Oct 14 2005 03:32 PM | CN_Admin in Technical Reports

Today there seem to be more amateurs than ever getting into the hobby, and like many of us, they are not just interested in the targets in the night sky but the optical systems themselves. Although seemingly simple an optical system is quite a complex thing, with various and confusing elements.

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CN Report: The $50 Pier

Apr 05 2005 02:21 AM | admin in Technical Reports

An excellent and detailed article on how to build your own Pier.

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CN Report: Affect of Eye Pupil on Binocular Ape...

Mar 22 2005 11:41 AM | admin in Technical Reports

In a telescope, you can vary the exit pupil by changing the eyepiece. In a fixed power binocular the exit pupil you purchase is the exit pupil you live with. The question answered here is this: What happens when your eye pupil is smaller than the binocular exit pupil

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CN Report: How to clean a Fraunhofer Achromat

Mar 22 2005 11:39 AM | admin in Technical Reports

Ever wonder how you disassemble and clean an achromat refractor? This article lays out the steps in a clear to understand manner.

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CN Report: Understanding Spherical Aberration

Mar 22 2005 11:38 AM | Thomas Back in Technical Reports

Optical designer Thomas Back explains what spherical aberration is and why you need to know about it

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CN Report: Limiting Magnitude in Binoculars

Mar 22 2005 11:36 AM | admin in Technical Reports

What exactly is the limiting magnitude of a pair of binoculars? Does it depend on the size? The magnification?

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CN Report: CT-Scan of a Meade 2045 SCT

Mar 22 2005 11:33 AM | DanielR in Technical Reports

What does it look like when you put a Meade 2045 SCT through a CT-Scan? The results are fascinating

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CN Report: How to convert a hybrid Newtonian in...

Mar 22 2005 11:32 AM | admin in Technical Reports

Ever hear of mirror flexing? If not, you are in for a treat with this article. Carlos takes you step by step through a complete newtonian conversion project

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CN Report: Review of the TMB Mono Reviews

Mar 22 2005 11:31 AM | admin in Technical Reports

Albert Bellg critiques both his own review of the TMB monos and a recent Sky & Tel review. Did some errors occur?

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CN Report: Low Cost Artificial Star

Mar 22 2005 11:27 AM | admin in Technical Reports

Want to make your own lost cost artificial star? This article will lay out the steps for doing so.

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