The Upper Tube Assembly for John's 8" F4. Here the Moonlite 2-speed focuser and filter slide is installed. (note the 1-foot ruler for scale) |
The filter slide "clamps" to the draw tube. Easy to install and easy to remove if necessary. |
This blog contains photos, descriptions and comments about our telescopes. Please take a minute to make comments. Make suggestions and feel free to email me at densteele@dobstuff.com any time -- Dennis K6KRV (densteele@dobstuff.com)