There are many different types of aspheric lenses with their own advantages and disadvantages, as shown in the table below:
Asphere Type | Description | Relative Price |
Precision Aspherized Achromatic Lenses | Diffraction-limited and color-corrected doublet with aspheric surface for broadband applications | $$$$ |
“Laser-Grade” Aspheres | <λ/10 transmitted wavefront | $$$ |
Precision Polished Aspheres | Most common asphere type, offering a balance between cost and performance | $$ |
Best Form Aspheres | Modified PCX or PCV lenses with one aspheric surface | $$ |
Diamond Turned Aspheres | Made out of high end plastics and crystalline materials | $$ |
Hybrid Aspherized Achromatic Lenses | Low cost doublet with molded polymer diffractive surface to minimize chromatic aberration | $ |
Molded Aspheres | Low cost plastic or glass lenses suited for high volume production | $ |
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