More Screens Flashcards
Smaller crystals require ______ photons and generate a ___________ image
More
Clearer
A thicker screen creates more light, making the image more ____________
Blurry
Thicker screens have more light divergence which causes blurring. What is a better option
Two thin screens bc they give less divergence
What does divergence cause
Blurry images
The reflective layer of the screen directs light to the __________
Film
Special dyes in screens minimize _______
Lateral spread of light
Time is not critical for slow screen speed rating and gives what two aspects to your image
- High detail
- Fine grain
Medium (par) screen speed rating is most common in veterinary medicine, what are two advantages
- Relatively low exposure
- Good resolution
Fast (high speed) screen speed rating is reduced time and good for what tissues
Thick tissues