Doublet (lens)
In optics, a doublet is a type of lens made up of two simple lenses paired together. Such an arrangement allows more optical surfaces, thicknesses, and formulations, especially as the space between lenses may be considered an "element." With additional degrees of freedom, optical designers have more latitude to correct more optical aberrations, more thoroughly.
Read more about Doublet (lens): Types
Famous quotes containing the word doublet:
“Dost thou think, though I am caparisoned like a man, I have
a doublet and hose in my disposition?”
—William Shakespeare (1564–1616)