Proper collimation - PowerPoint PPT Presentation

Radiation Protection in Digital Radiology

Radiation Protection in Digital Radiology. Avoiding Artefacts in Computed Radiography L06. Educational Objectives. Explain how the CR image is created Explain how errors in the process can produce sub-standard images Artefacts in CR.

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Newtonian Collimation

Newtonian Collimation. Marc Feuerberg. Rank, in order of importance, elements for high quality planetary views: Optical quality of eyepiece Optical quality of telescope Collimation of optics Steadiness of atmosphere (seeing) Thermal equilibrium of optics Using high-magnification eyepiece.

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