Apo-tmosphere: Gutekunst ADC Review
Sep 23 2015 12:18 PM by pbsastro
Optolong LRGB Filter Testing and Comparison wit...
Sep 22 2015 02:41 PM by turbo399
First Light Review: Teeter Custom TT Planet Kil...
Sep 04 2015 01:57 PM by Zellmer
The Baader Planetarium Morpheus
Aug 20 2015 11:45 AM by wapaolini
Categories See All →
- CN Reports
- User Reviews
- How to . . .
- Observing Skills
- Astronomical History
- Optical Theory
- Vision and Related Experiments
- How to Gain the Support of your Family for your Astronomical Pursuits
- Evaluation Tips
- Special Events
- The Elements
- New Articles in [!monthname!]
- Telescope Articles
- Submit a Review / Article
- Monthly Guides
- Behind the Scenes
- About Us
- Copyright ©
- Terms & Conditions
- Tiny Eyes on the Skies
- From the Editor's Desk
- What's Up . . .
- The Light Cup Journals
- Who is this Super Light Cup?
- Cloudy Nights T-Shirts
- Imaging Contest
- Small Wonders
- Previous Imaging Contest Winners
- This Month's Skies
- Mike's Corner
- The Cloudy Nights Friends and Family Discount
- Uncle Rod's Astro Blog
- Fishing for Photons
- Binocular Universe
- Article Submissions
The tapered recess on the 1.25" barrel of a number of Baader Hyperion eyepieces is too big. This may interfere with your focuser's or diagonal's compression ring where the eyepiece cannot firmly be secured. If you use a setscrew or you use the 2" sleeve, then this does not apply.
If you have a moderately fast Newtonian reflector and feel in need of something in the way of an eyepiece upgrade, but don’t want to wear out the credit card too quickly, consider Orion’s Stratus eyepieces.
My acquaintance with zoom eyepieces dates back in 2001 with the purchase of my Leica 22-7.3mm Zoom for my Leica Apo-Televid 77. In 2003 I got my first astronomical telescope, a 115/805mm TMB/APM apochromat. The Leica Zoom was
I was struck with aperture fever and I sold that scope in order to purchase a mirror blank and material to make my own telescope. But I kept the good eyepieces. A few months later and my 12 inch reflector saw