Manufacturer: Orion UK
Product number: ONTC8-HSZ

EUR 339,90


incl. 19 % VAT (DE)  
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excl. 6.95 € shipping costs (DE)  
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Orion Optics UK Primary Mirror Cell for Newtonian telescopes
The CNC-manufactured cells are made by Orion-UK for Teleskop-Service and are ideally designed for telescope self-construction. The cells combine good stiffness and adjustment stability with moderate own weight.

The primary mirror is held by a computer-optimized 9-point support. Thus tensions stress of the mirror is excluded. The lateral support is also adjustable.

The primary mirror cell provide 2x3 M6 threads (female) for stabile mounting to the telescope tube. You can use all six threads for fastening, that increases the rigidity of the structure even further.

The mirror is collimated tool-free with the three knurled thumb-screws at the back. As soon as the optimal state of adjustment is achieved, the counter screws close to the rim are tightened finger-tight. Now the telescope is stable against readjustment.
Fits mirrors:Primary mirrors from 191-201 mm diameter and 19-25 mm thickness at the edge
Suitable for telescope tubes:Inner diameter 223-226 mm
Material:Aluminium
Orion UK primary mirror cell - fan is optional



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