Technical Essay

How the Human Eye Reads Light?

We cannot see if there is not any light. Human beings are able to see because of a number of complex interactions that take place between light, the eye, and the brain. There are several different parts in the human eye, and each part works in a unique manner to enable us to see. In a nutshell, light from an object travels through space and reaches the human eye….

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What is a Metal Halide Lamp?

Since the 1960s, the metal halide (MH) lamp has been a used as a viable light source for a number of applications, from illuminating sports fields, to parking lots and street lighting, to general indoor lighting for retail stores and factories. Their ability to emit a vividly white light, plus their long light life and tripled luminous efficacy when compared to traditional incandescent lamps, have made them the premiere choice for years.

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Lumens vs. Candela

Lumens and candela are both lighting measurement units, but they measure different aspects of a lighting device. Knowing about the difference between lumens and candela will help you choose lighting devices that suit the needs of your workplace. More importantly, this knowledge will ensure that you are not cheated by your lighting supplier who may try to convince you about the merits of a lighting device by quoting impressive lumens or candela numbers that are not relevant for your needs….

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What does Wattage Mean In Lighting?

As a prudent business owner, building manager, or electrical contractor working with energy efficient lighting, you will definitely want to optimize the returns on the investment you will make on the various lighting devices for your work premises. So you will need to buy lights that not only suit your business needs but also go the distance in terms of providing outstanding light for you, your customers, and so on and are cost-efficient….

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