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.