2-11.
What is the most commonly used optical
equipment?
1. The ships binoculars
2. The long glass
3. The 7x50 binoculars
4. The OODs spyglass
2-12.
What is the best optical equipment to use when
tracking a fast-moving target?
1. The long glass
2. The ships telescope
3. The ships binoculars
4. The 7x50 binoculars
2-13.
What is the first step in focusing a pair of
binoculars?
1.
Set the left eyepiece on zero and the right
eyepiece on 4
2.
Set both eyepieces on zero
3.
Set both eyepieces on 1
4.
Set both eyepieces on 4
2-14.
What adjustment method is used to obtain the
proper focus of the binoculars?
1.
Keep both eyes open while adjusting one
eyepiece with both lenses uncovered
2.
Keep both eyes open while adjusting one
eyepiece at a time with the opposite lens
covered
3.
Adjust both eyepieces at the same time
4.
Adjust one eyepiece at a time while keeping
the other eye closed
2-15.
Assume that your focus setting for day use of
the binoculars is 3 for the left eye and 4 for the
right eye. With the same binoculars, what
should be your night focus setting?
1.
3 left and 3 right
2.
2 left and 3 right
3.
1 left and 2 right
4.
4 left and 4 right
2-16.
Which of the following items should you use to
clean the glass of optical equipment?
1. Cheesecloth
2. Lens paper
3. A soft cloth moistened with alcohol
4. A soft cloth moistened with any grease-free
solvent
2-17.
Repeated cleaning of a lens, no matter how
careful you are, eventually damages the lens.
1. True
2. False
2-18.
The optics used in night vision devices are of
what type?
1. Magnetic
2. Prismatic
3. Fluorescent
4. Electronic
2-19.
Which of the following is NOT a function of
night vision devices?
1. To observe friendly forces
2. To detect enemy movement
3. To scan an area accurately
4. To detect nerve agents
2-20.
A total of how many glass elements are
contained in the eyepiece assembly of the
Mk 37?
1 . F i v e
2. Six
3. Seven
4. Eight
2-21.
What part of the eyepiece assembly of the
Mk 37 night vision sight allows the operator to
use both eyes?
1. The monocular lens
2. The rubber eyeshield
3. The binoculars eyepiece lens
4. The 8.6X lens
9