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ABO/NAO 4 questions well answered already pass
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ABO/NAO 4 questions well answered already pass
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ABO/NAO 4 questions well answeredalready pass
the tools, (lens clocks) laps and gauges (generator calibrations) used in surfacing lenses are calibrated for
what glass of index - correct answer ✔✔1.53
what is the focal length for 10D lens - correct answer ✔✔1 over 10 = .1m
the optical center of a round segment is located ___? - correct answer ✔✔at the geometric center of the
segment
in a nearsighted eye incident parallel rays of light form an image where? - correct answer ✔✔anterior to
the retina / in front of the retina
what is spherical aberration - correct answer ✔✔an optical defect caused by peripheral and paraxial rays
focusing at different points along the optical axis of a lens
in a convergent lens, an object point located at infinity will be focused at which focal point? - correct
answer ✔✔the secondary focal point / this is the point where parallel rays of light are brought into focus
what determines the focal length of a thick lens? - correct answer ✔✔curvature of its refracting surfaces,
the thickness of the lens and its index of refraction
what does LTB stand for? - correct answer ✔✔length to bend/ temple length measured from the center
of the hinge barrel to the middle of the bend
what is the skull temple style? - correct answer ✔✔the temple that bends at the top of the ear and
follows the contour of the skull, resting evenly against the skull
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