Lighting System Requirements for Baseball Fields

By AdminLED Knowledge

1.Illumination measurement

  The lighting measurement grid of Major League Baseball (MLB) is shown in Figure 1

Figure 1 Major League Baseball (MLB) field lighting measurement grid

2. the Lighting Requirement Index

The lighting requirement index of Major League Baseball (MLB) field illumination is shown in the table below

Major League Baseball (MLB) field level illumination requirements (Table 1)

Horizontal illumination Vertical illuminance Lamp performance Glare
/ average illumination Illumination uniformity Midfield Camera (Position 1) Infield Camera (Position 2-6) / CCT CRI Luminous flux /
area Ehave(Fc) U(Max：min) Evave（Fc） U（Max：min） Tk Ra Lm UGR
Infield 250 1.1:1 150 200 1.5:1 5000~5700 >80 100,000 lx the max ≤40
Midfield 225 1.2:1 175 175
Outfield 200 1.3:1 200 150
Bullpen 100 1.5:1
Auditorium 125 2:1
Note: 1fc≈10.76 lx

  1. Camera location requirements

Major League Baseball (MLB) field camera location requirements are shown in Table 2 and Figure 2.

Table 2   Major League Baseball (MLB) field camera position requirements

Camera orientation

Main camera area

1

Zone 1

2

Zone 3

3

Zone 2

4

Zone 3

5

Zone 2

6

Zone 3

Figure 2 Major League Baseball (MLB) field camera bitmap

  1. Lamp Installation Height

The angle between the top of the lamp post and the position of the shortstop or second baseman should be no less than 25° and no more than 40°. The specific layout is shown in Figure 3.

Figure 3 Mall League Baseball (MLB) lighting installation height layout diagram

  1. Lighting arrangement

Lighting fixtures should not be placed within 20° directly in front of the home plate; they should not be placed within 90° directly behind the home plate; they should not be placed within 10° on both sides of the home plate, as shown in Figure 4.

Figure 4   Major League Baseball (MLB) venue lighting location layout

  1. Lighting area layout

The baseball field should create a shadow-free lighting environment, see Figure 5 and Table 3. Each lamp should illuminate the designated area, and each area should be illuminated by at least 3 lamps.

Figure 5   Major League Baseball (MLB) venue lighting area distribution map

Table 3 Comparison table of irradiation area of each lamp

Lighting fixtures

Venue area

A1

1a 1b 1c 1d 2a 2b 2c

B1

1a 1b 1c 1d 2a 2b 2c 3a 3b 3c 4

C1

2a 2b 2c 3a 3b 3c 4

D1

2a 2b 2c 3a 3b 3c 4

A3

1c 1d 1e 1f 2b 2c 2d

B3

1c 1d 1e 1f 2b 2c 2d 3b 3c 3d 5

C3

2b 2c 2d 3b 3c 3d 5

D3

2b 2c 2d 3b 3c 3d 5

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