Just buy one with the right beam angle, and you are off. Right? Well maybe, but probably not. Because there are a few more things to think about before you can be pretty sure that what you buy will do ...

Maybe everyone else has known this for ages, but at last there is enough information on led and collimator data sheets to work out how far one should be form the other to get the specified beam. This ...

The light intensity curves for LEDs, regardless of whether they are collimated with a lens or reflectors, follow a bell shaped curve (often referred to as a “Lambertian“ curve). The 50% intensity ...

Please provide your email address to receive an email when new articles are posted on . A 51-year-old white male presented to the Veterans Affairs clinic for a periodic eye exam with no complaints of ...

Please provide your email address to receive an email when new articles are posted on . A 75-year-old white male presented to the VA eye clinic for a periodic follow-up for bilateral dry age-related ...