File:Crayford2010.jpg
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Summary
[edit]| Description |
Crayford focuser - The tube travel is 100mm plus and the tube diameter is 70mm. It is entirely hand crafted, except for the focusing knobs, note 6:1 reduction fine focus gearing. Weight,1.0kg approx. |
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| Source |
Own work / At my request was donated by Mr John Wall (wallporritt(at)madasafish.com) to Wikipedia. |
| Date |
2010 |
| Author |
Tamasflex / John Wall |
| Permission (Reusing this file) |
See below.
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Licensing
[edit]   | This work is licensed under the Creative Commons Attribution-ShareAlike 3.0 License. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 12:44, 25 September 2010 | | 942 × 581 (278 KB) | Tamasflex (talk | contribs) | {{Information |Description = Crayford focuser - The tube travel is 100mm plus and the tube diameter is 70mm. It is entirely hand crafted, except for the focusing knobs, note 6:1 reduction fine focus gearing. Weight,1.0kg approx. |Source = {{ |
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