Generally, fast action sports, particularly those involving small lighting objects like cricket balls and longer viewing distance require higher lighting levels. The slow speed and large objects (football) and close viewing distances require low lighting level. Outdoor sports lighting helps achieve supervised training, national, club, CTV, or international coverage. Various lighting guidelines and specifications recommend various levels for individual sports. Some sports bodies provide their specific lighting specifications too.

Generally, lighting supply has three classifications – the amateur stadium lighting, the semi-professional lighting, and the professional stadium lighting. The various factors that differentiate the stadiums include the uniformity, ground lux and whether the sports are to be televised or not.

a. Class 1

The FIFA and UEFA Lighting guide classify the training and recreational use grounds as Class 1. The grounds have nearly 200-lux horizontal illumination and around 0.5 uniformity. Some high school stadiums and sports lighting fall in this category.

b. Class 2

Stadiums in this category include some clubs and leagues stadiums with around 500 lux and around 0.6 uniformity. That is the football field lighting standard. The regulation also applies to the semi-professional stadiums.

c. Class 3

The Class 3 stadiums include those that hold national games with around 750 lux horizontal luminance and around 0.7 uniformity. The standard is for professional stadiums, but those that are not ready for TV broadcasting. Some Class I stadiums might hold televised matches particularly those with above 1000 lux levels.

The highly professional stadiums – those used for televised national and international games – have a ground lux that changes from 1000 lux to 1500 lux and the uniformity ranges between UI at 0.1 and U2 at around 0.8. Such grounds have cameras to broadcast any big event. Therefore, the fields should have higher quality lights.

The exterior lighting levels are lower than the daylight levels and are usually low than for the same sports played in indoor settings. That is because the subject contrast is higher outdoors, with the adaptation levels and dark sky backdrop. The illuminance levels highly depend on the difficulty level of the task.

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