Any advice on Herschel Wedges? - Imaging - Solar - Stargazers Lounge
Herschel-LAC1s | LACERTA Herschel prism set with Brewster angle, incl
Lacerta 2" Herschel Wedge - Member Equipment Reviews - Stargazers Lounge
On the Lacertan Trail with Sir John Herschel: h 1735, h 1746, h 1786, h 1741, and h 1791 | Star-Splitters
Lacerta Brewster-angle Herschel Wedge with 48mm Prism, M48/M54-thread, ND3.0, 2" Nosepiece and 2" Rotator Eyepiece Holder
LACERTA Herschel prism set with Brewster angle, incl. heat shield. (T2 threads and 31,7mm eyepiece-adaptors on both sides, free optical window 30mm). - Budapest Telescope Centre