Specchio secondario 74mm Strehl 0.9

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TS-Optics Newtonian Secondary Mirror D=74 mm, Strehl better than 0.9 - with Certificate

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Codice articolo: FS74-09

SCHEDA TECNICA IN INGLESE
Verrà tradotta presto dai nostri tecnici: nel frattempo, puoi tradurla con Google premendo qui.

Telescop-Service secondary mirror with verified quality and test certificate for do-it-yourself construction and improvement of Newtonians

Diameter minor axis - 74 mm
Thickness 12 mm
Reflection 94%
Guaranteed optical quality - Strehl better than 0.9
Including certificate with examination number from Wellenform (Germany)

TS-Optics Newtonian Secondary Mirror D=74 mm, Strehl better than 0.9 - with Certificate [EN]

TS-Optics tested secondary mirror for Newtonian telescopes
The elliptical secondary mirror is intended for the construction and improvement of Newtonian telescopes. The mirror is coated with a 94% aluminium reflective layer, which is protected by a quartz layer. This makes the secondary mirror robust and resistant to aging.

Each secondary mirror is tested at Wellenform (Germany) and is provided with a test number. This number can be found on the packaging, on the back of the secondary mirror and of course on the certificate. This prevents any confusion.