GSO Parabolic Primary Mirror 20 / 500 mm f/3.6 (Quartz) (SKU: AD204) extras opinie

11779 zł price without VAT: 9576,42 zł Shop online: ● on request  Shop in Warsaw (qty): ● on request  Shop in Chorzow (qty): ● on request

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The GSO 500 mm f/3.6 Parabolic Primary Mirror is an optical component designed for Newtonian telescopes and DIY telescope projects. It collects and focuses incoming light to form an image at the focal plane. The mirror is made of quartz glass and features an enhanced aluminum coating with approximately 93% reflectivity, protected by a durable SiO2 layer.

Key features

• aperture: 500 mm (20")
• focal length: 1800 mm
• focal ratio: f/3.6
• parabolic surface for Newtonian telescopes
• material: quartz glass
• enhanced aluminum coating (~93% reflectivity)
• protective SiO2 overcoat
• suitable for telescope construction and upgrades

Included in the box

• GSO 500 mm f/3.6 primary mirror

Technical specifications

• SKU: AD204
• aperture: 500 mm (20")
• focal length: 1800 mm
• focal ratio: f/3.6
• thickness: 52 mm
• material: quartz
• shape: parabolic
• reflectivity: ~93%