Backyard Universe Secondary Mirror Covers
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Backyard Universe Secondary Mirror Covers

£27.00
  (1 Review)
✓ 2 year warranty
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About this product

Model:  bu_seconday_mirror_cover_250PDS
Part Number:  BU2023-005-0006

Backyard Universe Secondary Mirror Covers

The secondary mirror cover can be used to cover the rear side of the secondary mirror.

This considerably reduces the cooling of the secondary mirror through radiation exchange with the upper atmosphere which reduces the risk of dew condensation. The cover is designed to allow sufficient space for an additional secondary mirror heater. Connecting cables can be led to the outside via a 3mm hole.

Note.

To avoid astigmatism, make sure that the cover does not touch the secondary mirror!

The 3D printed material used has already a low reflection surface! 

To further minimise reflections, the cover can be painted with AR paint.

 

Customer reviews

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fitted to a 130PDS secondary
21 February 2024  | 

Does a great job and helps a lot with dew control and reflections seem down.

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