| rmollise |
| (Post Laureate) |
| 06/26/09 09:35 AM |
|
Re: A very rare Tasco find - I got the 16T !!
|
Quote:
The optical design is most likely a Bird-Jones which uses a spherical mirror and the barlow like corrector lens to correct for spherical abberation and increase the focal length.
- Dave
That would be my guess.