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New but a scratch: TS-Optics 250 mm (10") Newtonian Primary Mirror f/4 made of fused quartz

419,33 EUR
excl. VAT
excl. 4,65 € Shipping costs
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New but a scratch: TS-Optics 250 mm (10") Newtonian Primary Mirror f/4 made of fused quartz

Fast parabolic primary mirror for self construction of Newtonian telescopes, made of fused silica (similar to Zerodur).

# GSHS250f4Q - the mirror is new, but has a scratch about 60mm long. But the scratch is irrelevant to the picture.

♦ Diameter 10" / 250 mm

♦ Focal ratio f/4

♦ Mirror substrate is fused quartz (thermal properties similar to Zerodur)

♦ Reflectivity: 94%

♦ Optical quality: better than diffraction-limited imaging guaranteed

♦ Center marked for collimation


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373,95 EUR*

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Cleaning & Collimating:
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only 5,03 EUR*

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