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70mm DIA/ 800 Focal Length Homemade Refractor-Project
by KI4YUN
| 1 | 149 |
about 1 year ago KI4YUN |
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Basics of ATM: Focal Length/Focuser Travel
by KI4YUN
| 0 | 63 |
about 1 year ago KI4YUN |
| 2 members | 2 topics | 3 posts | Last post: over a year ago by KI4YUN |
