Telescope

Files to make a refractor telescope. It includes the parts to make two versions:
- a fixed length telescope
- a helical focuser

My objective lens is 50mm diameter with 600mm focal length achromatic doublet
My eyepieces are a 12mm and a 4mm plossl
You can find more details, assembly instructions and photos in this article:
https://www.steamwithdad.com/2025/05/how-to-build-your-own-telescope.html