File:Dual Home Made 6 Inch f15 Dall Kirkham Cassegrain Binocular Telescope OTAs.png

Dual_Home_Made_6_Inch_f15_Dall_Kirkham_Cassegrain_Binocular_Telescope_OTAs.png(400 × 272 pixels, file size: 244 KB, MIME type: image/png)

Summary

Description
English: Norman Butler's 1980 home made dual 6-Inch f/15 Dall-Kirkham Cassegrain Binocular Telescope on a clock drive fork equatorial mount with a 360 degree stainless steel ring dual OTAs rotation system. (Note: Historically, it's possibly the first Dall-Kirkham Cassegrain Binocular Telescope of it's kind).
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Author Namronpb

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Captions

Norman Butler's 1980 home made dual 6-inch f/15 Dall-Kirkham Cassegrain Binocular Telescope on a clock drive fork equatorial mount.

Items portrayed in this file

depicts

13 December 1980

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Date/TimeThumbnailDimensionsUserComment
current03:34, 20 March 2019Thumbnail for version as of 03:34, 20 March 2019400 × 272 (244 KB)NamronpbUser created page with UploadWizard
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