FAQ

What is the Focal Length of Reflector?
Focal Length of Reflector refers to the distance from the vertex (the deepest point of the reflector) to the focal point. Focal Length of Reflector is usually measured using the Meter for Length. Note that the value of Focal Length of Reflector is always positive.
Can the Focal Length of Reflector be negative?
No, the Focal Length of Reflector, measured in Length cannot be negative.
What unit is used to measure Focal Length of Reflector?
Focal Length of Reflector is usually measured using the Meter[m] for Length. Millimeter[m], Kilometer[m], Decimeter[m] are the few other units in which Focal Length of Reflector can be measured.
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