1. There is also a difference in image brightness . collimation ). 2. If not, then a " collimation error " exists. 3. This large distance provides the high collimation required for the ATLAS technique. 4. Among the latter are frame rate settings, pulsed fluoroscopy and collimation . 5. Otherwise, instrument collimation will be compromised and the resulting measurements would be in error. 6. A LED based illumination system in which five Galilean collimation systems have been used is reported on. 7. Porro prisms binoculars occasionally need their prism sets to be re-aligned to bring them into collimation . 8. The fixed alignment in roof-prism designs means the binoculars normally will not need re-collimation . 9. Proper collimation of a laser source with long enough coherence length can be verified with a shearing interferometer. 10. Here the linear accelerator collimation projects a 1x1 cm2 field at isocentre i . e . 100 cm SSD