SKY SAYS…
Now add these:
1. Suitable f/4 to f/8 refractor 2. UV/IR EORFNLQJ OWHU 3. Energy Rejection Filter – contact DayStar for advice
Now add these:
1. Suitable f/4 to f/8 refractor 2. UV/IR EORFNLQJ OWHU 3. Energy Rejection Filter – contact DayStar for advice