Quote:
Originally Posted by pmrid
As Pauline Hansen once famounsly said "Please explain!". Knowing that I will display my ignorance, I'm trying to get my head around the 'pixel-size' as a determinant of suitability. What is the correlation between pixel size and FL or Objective diameter? What makes one pixel size more suitable to a particular scope than another?
Peter
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To put it simply,
long focal lengths --> Big pixels
Short focal lengths --> small pixels
Small pixels on a long focal length scope are wasted as you over sample and the images can appear soft. Big pixels on a short focal length scope leads to under sampling and square stars.
Mark