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Top news results for quadruplet design

Vespera 3 and Vespera Pro 2 are released
Sunday, April 12, 2026 by Richard Harris
Welp, this is no doubt that this was planned for everyone's arrival at NEAF 2026. Vaonis has just stirred the smart telescope pot with the release of the Vespera 3 and Vespera Pro 2, and this time it feels like they took a hard look at where they were falling short and decided to fix it properly...

SVBONY SV503 70ED refractor telescope: Inexpensive but not cheap
Saturday, July 12, 2025 by Richard Harris
If you want a reliable scope that won’t cost more than your favorite lens or a new premium tripod, the SVBONY SV503 70mm Quadruplet ED refractor is a smart pick. It’s portable, versatile, and budget-friendly - so you can still afford all those other accessories you’ve been eyeing. ...

Askar 71F flat field refractor reviewed by Sarah Mathews
Thursday, October 24, 2024 by Richard Harris
Sharpstar Optics has introduced the Askar 71F, a flat-field refractor telescope designed specifically for astrophotography. This highly portable telescope, available for around $600, has attracted attention for its user-friendly design, making it an appealing choice for beginners and seasoned astrop...
