Problems finding focus with a DSLR
How I used the right type of Barlow to focus a DSLR on a small Newtonian telescope.
How I used the right type of Barlow to focus a DSLR on a small Newtonian telescope.
The awful choice in astrophotography For astrophotography, some things in the sky, like nebulas, are surprisingly large but incredibly dim. These need telescopes with lots of light gathering ability but low […]