Yes, and the Petzval design is still a popular choice in better-quality refracting telescopes:
https://optcorp.com/collections/petzval-telescopes
Yes, and the Petzval design is still a popular choice in better-quality refracting telescopes:
https://optcorp.com/collections/petzval-telescopes
"I love my Verito lens, but I always have to sharpen everything in Photoshop..."
Bookmarks