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Old 27-10-2021, 07:41 PM
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Eldest_Sibling (Alan)
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Join Date: May 2017
Location: Mid-South, U.S.
Posts: 136
The achromat, its anatomy, exploded...

The first thing to do was to remove a most proprietary mounting-interface...

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The focusser was easy enough to remove...

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The bull-horn of a dew-shield pulled right off...

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The cell for the doublet was not secured to the OTA with screws, but with glue...

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It was held by cement rather than the usual "super glue"...

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I wasn't surprised in the least by that. I can incorporate screws and nuts easily enough.

The paint where the cell attached to the OTA was damaged, so I removed it...

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Happily, placing a neodymium magnet adjacent to the OTA revealed that it is of aluminium; the lighter the better...

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