Tools for better Photography of the Moon

There is an detailed German instruction online on our website: https://3druck.com/blog/diy-anleitung-bessere-mondfotos-mit-3d-gedruckten-hilfsmitteln-3155194/

And here is the shorter english version:
With the two included objects it is possible to get better pictures of the moon, at least it was for me. I have used a Nikon D3200 and an old 500mm M42 catadioptric system that I have bought for only a few bucks.

The spacer part is designed to create a bigger distance between the catadioptri