These are some pics taken with the 127mm (5") surplus shed achromat lens fitted in a Saxon tube.
Fl is 1200mm but i have a 0.8 reducer/flattner in my Canon 40D.
First image is M83, 3x15minute, darks and flats applied.
Second image is Centaurus A 4x15minutes, darks and flats applied.
Third image is Omega centauri 13x2minutes, darks and flats applied.
The Lagoon was good but it was impossible to get rid of the blue halo's.