- Which things will you notice when review fim? first & second?
- how to check and count IQI on film? how many wire is OK? how length is acceptable?
- how is density? density range? ( my A: 2.0 - 4.0~4.5 or 2.0 to 1.8 - 4.0~4.5 or 2.0)
- what is "contrast"?
- Which is better? hight density or low density?
- How to calculate "Sensitivity".
- what is "definition"?
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