File:Crayford2010.jpg

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Summary[edit]

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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

Own work / At my request was donated by Mr John Wall (wallporritt(at)madasafish.com) to Wikipedia.

Date

2010

Author

Tamasflex / John Wall

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(Reusing this file)

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Date/TimeThumbnailDimensionsUserComment
current12:44, 25 September 2010Thumbnail for version as of 12:44, 25 September 2010942 × 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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