Hossefield Pyramid solar projection screen V2 (2025) (Geoptik, SKU: 30A099) enables safe white-light solar viewing by projecting the Sun’s image onto a screen. This projection method lets you observe and record sunspots without looking through the eyepiece. A set of Stonyhurst disks is included for logging daily observations.

Key features

• white-light solar projection using the Hossefield method
• convenient sunspot work: counting and numbering, heliographic orientation, tracking path and changes, noting structure
• transfer daily data onto the supplied Stonyhurst disks
• quick setup with a telescope and eyepiece (eyepiece not included)
• lightweight, portable, and reusable solution for lessons and outreach

In the box

• Hossefield Pyramid projection screen
• Stonyhurst disks – 8 pcs

Technical specifications

• manufacturer: Geoptik
• model: Hossefield Pyramid V2 (2025)
• SKU: 30A099
• EAN: 8058450364557
• net weight: 0.70 kg
• billable weight (shipping): 3 kg
• package dimensions: 36×25×15 cm