Aspheric lenses from Edmund Optics are available coated or uncoated

TECHSPEC precision aspheric lenses focus light while they eliminate spherical aberration from divergent light sources, such as focusing the output of laser diodes. They are RoHS-compliant and have low f-numbers to optimize light gathering. They are available uncoated or with coatings for visible and near-infrared wavelengths.
Edmund Optics
Barrington, NJ
www.edmundoptics.com