General Rules for Pavilion Depth Estimation (5.18)
Under 41%: Difficult to distinguish and small. Watch for a fish-eye. (Fish-eyes will be discussed in detail later in this section.
41-42%: The reflection will extend about a 1/4 of the distance.
43%: The reflection will extend about a 1/3 of the distance. Ideal depth.
44.5%: The reflection will extend about 1/2 the distance.
45.5%: The reflection will extend about 2/3s of the distance.
47%: The reflection will extend about 3/4s of the distance.
49%: The reflection will fill the entire table area and will reveal an obvious darkness.
50%+: The reflection again will fill the entire table area and will be very dark to almost a black tone.
