Sun filter for Vaonis Hestia

SummaryI did not order the Eclipse pack from Vaonis when I backed the project. But I end up wanting to make some solar observation now.But Vaonis do not sell standalone solar filters for Hestia.I designed my own, including protective covers.Note: I also made a protective cover for Hestia's lens. It's available here.Obviously, you cannot print the solar lens, but you can make one, using some specific film. I bought one on Amazon: Baader Planetarium AstroSolar filter. I guess you can use some other similar product.Just follow the instructions of the sheet provider until you get a 50mm diameter cardboard-sandwich ring with the film showing a 40mm lens in the middle. The process is quite simple but requires a lot of precision and patience. Consider buying white cotton gloves so you never touch the film with your fingers. And you will need wide double-sided tape.Watch the pictures for assembly tipsThen all you have to do is to cautiously put a thin layer of neoprene glue around the