|
|
|||||||
|
|
Thread Tools | Display Modes |
|
#1
January 3rd 05, 05:50 AM
|
|||
|
|||
Coulter mirror markings
I pulled the mirror from my dob to clean and noticed that the side of
it is marked with -4. Does anybody have an idea as to what this means? The mirror is from an older red tube 10 inch. Thanks Roger 
|
| Thread Tools | |
| Display Modes | |
|
|
Similar Threads
|
||||
| Thread | Thread Starter | Forum | Replies | Last Post |
| Coulter Update | Doink | Amateur Astronomy | 5 | November 17th 04 12:28 AM |
| Coulter DOB Mirror Cell | Doink | Amateur Astronomy | 15 | November 13th 04 01:38 AM |
| Recommend Coulter? | Doink | Amateur Astronomy | 20 | November 7th 04 02:25 AM |
| Getting a feel for aperture increase? | Ron B[ee] | Amateur Astronomy | 21 | August 2nd 03 01:09 AM |
Threaded Mode