From Page 53
You have learned to use this table quite well.
military standard in mind for future reference--it will come in handy.
Before we drift too far away from vision, let's deal with another
method HF specialists use optical aids to improve performance.
using magnifiers to increase the degree of detection, do you think that the
degree of detection is equal to the degree of magnification?
(1) It has never been determined if the two are synonymous or not. Turn to
(2) Yes, increasing the magnification by five times also increases the
detection by that amount. Turn to Page 26.
(3) No, because while magnification increases the size, it lowers the target
brightness, lowers the contrast between target and background, and makes the
image fuzzier. Turn to Page 72.
From Page 81
(2) This is a good answer, but it is not the one we feel is best.