help undestanding contrast and density

[hampa]

Hi all,
I'm having such a hard time undestandig contrast and density factors and why they get affected by film screen, collimation, SID, focal spot size etc.
Does anybody have an idea how I can comprenhend this subject???
any tips or suggestions will be very welcome
thank you for your attention
Hampa

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[Santiago]

Hi all,
I'm having such a hard time undestandig contrast and density factors and why they get affected by film screen, collimation, SID, focal spot size etc.
Does anybody have an idea how I can comprenhend this subject???
any tips or suggestions will be very welcome
thank you for your attention
Hampa

You have got to read Radiophysics. Not once but again & again.
Any decent text would do.
For conventional radiography, I liked Christiansen a lot.
hth