K9 Optical Glass Roof Prism - Paul Prism Image Rotating Component for Binoculars, Telescopes & DIY Optical Projects

Build and customize your optical projects with this DUTRIEUX K9 Porro Prism / Image Erecting Prism. Made from K9 optical glass (N-BK7), this precision semi-finished component is designed to correct and erect images in binoculars, telescopes, and other optical systems. With multiple size options and custom coating services available, it’s a versatile choice for DIY optical assemblies and experiments.

Product Features

• Brand: DUTRIEUX

• Material: K9 optical glass (N-BK7)

• Type: Porro prism / image erecting prism

• Surface Quality: 60/40

• Surface Flatness: λ/4 at 632.8nm

• Angle Tolerance: ±3 arcmin

• Available Sizes: 25 × 12mm (T12.5mm), 44 × 22mm (T21mm), 46 × 23mm (T22.5mm), 34.5 × 17mm (T16.5mm), 39 × 20mm (T18.5mm)

• Features: Image erecting, image correction, total internal reflection

• Customization: Custom dimensions and optical coating processing available

• Applications: Binoculars, telescopes, DIY optical assemblies, imaging systems, and optical experiments

• Condition: Semi-finished optical component