BORG M75 to M75 Adapter

This should be the convenient for users who are using Series 80 configuration with 45ED(II), 60ED and 55FL. A main tube becomes really short in Series 80, especially with a reducer. This is the solution for people who are struggling short tube configuration.

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The adapter has M75 male at both ends which allow to connect Series 80 tubes at front and back, and M57 female for the objective. See following example.

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As shown, a front ring is clamped at the objective section without the concern of squeezing the objective lens. Unless a front tube blocks the objective’s field of view, you may use a longer tube too.

60ED(2260) can be connected directly. 45ED(II) and 55FL needs 7457 to convert the male thread. It is now available at $69.00 (part # M7575)

 

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~ by tedishikawa on February 25, 2015.

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