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5 terms
Photonics Dictionary: T
Clear All Filters x
compound lens x
T x
teleobjective
->
telephoto lens
A compound lens so constructed that its overall length is equal to or less than its effective focal length.
telephoto lens
A compound lens so constructed that its overall length is equal to or less than its effective focal length.
three-five
Referring to compound semiconductor materials combining one element that has three valence electrons with one or more that have five. Examples include gallium arsenide and indium antimonide. (III-V).
triple aplanat
A compound lens consisting of two negative lenses of flint glass. A double-convex lens of crown glass is cemented between the two negative lenses. With this system, it is possible to decrease...
two-six
Referring to compound semiconductor materials combining one element with two valence electrons and one or more with six. Examples include beryllium oxide and zinc selenide. (II-VI).
Photonics Dictionary
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