SunglassSite.com

Kinko Optical Co., Ltd.
Manufacturer of camera lenses, digital camera lenses, bar code and scanner lenses.
www.kinko-optical.com/

Commercial Optical Inc.
Custom lense manufacturer.
www.commercialoptical.com/

Lens Lifter
Alternative to the traditional eyeglass case. Offers product description and links to retailers, includes online request form and contact information.
www.lenslifter.com/

Coastal Optical
Designs and builds custom precision optical assemblies like projection lenses, camera lenses and telescope assemblies. Standard products include CoastalOpt(tm) Fisheye lenses.
www.coastalopt.com/

Harold Johnson Optical Laboratories, Inc.
Custom manufacturer of cylindrical and spherical lenses, prisms, mirrors, domes, flats, wedges and beamsplitters.
www.hjol.com/

Genius Electronic Optical Co., Ltd.
Manufacturer of camera lens, viewfinders, laser pointer lens, bar code reader lens, scanner lens, CCTV lens, telescope lenses, and magnifiers.
www.geniusoptical.com/

Complete Optical Solutions
Providing optical design, lens design, optical engineering and consulting services.
www.completeoptical.com/

Optical Magic Optical Illusions
A selection of common images.
www.goodtricks.net/

Eluzions' Optical Illusions
Contains many optical illusions, illustrating a wide range of visual anomalies and surprising optical effects. A free screensaver, posters, and educational explanations are also provided.
eluzions.com/

Optical Illusions Etc
Contains many optical illusions in blog format.
illusionsetc.blogspot.com/