How to light a baseball field?
Directory:
1. Determine Baseball Lighting Class & Standards
2. Select Baseball Lighting Layout & Pole Placement
3. Choose Luminaires & Light Distribution
4. Control Glare & Light Spillage
5. Verification & Testing
6. Key Baseball Lighting Design Principles
1. Determine Baseball Lighting Class & Standards
1.1 IHSA High School Standard (for non-TV events):
Infield: ≥50 footcandles (fc) (≈538 lux)
Outfield: ≥30 fc (≈323 lux)
Uniformity Ratio: ≤2:1 (infield), ≤2.5:1 (outfield)
Aerial illumination must cover the ball’s flight trajectory up to its maximum height (e.g., add calculation planes at various elevations).
1.2 CBAA Baseball Lighting Standard (for TV broadcast, Classes I-IV)
1.3 EN-12193 Baseball Lighting Standard
2. Select Baseball Lighting Layout & Pole Placement
2.1 Optimal Pole Configuration:
8-pole design is recommended for fields ≥320 ft radius.
Poles must be outside the 20° viewing angle from all four bases to avoid glare.
"A" poles (near home plate) should align behind home plate to illuminate the ball for batters (IHSA).
2.2 Pole Height & Angle:
Minimum height: 28m.
Angle between pole top and infield (e.g., shortstop): 25°–40°.
3. Choose Luminaires & Light Distribution
3.1 Luminaire Type:
Use asymmetric LED floodlights (e.g., 120,000+ lumens) for energy efficiency and flicker control.
Beam Angles: Narrow beams (Y2/Y3) for outfield, wider beams (Y4/Y5) for infield.
3.2 Special Requirements:
Pitcher's mound & home plate: Higher illuminance without compromising uniformity.
Aerial coverage: Ensure illumination up to 30m height to track high-fly balls.
4. Control Glare & Light Spillage
4.1 Glare Control (GR):
Limit GR to ≤40 (Class IV) or ≤50 (Class I) via precise aiming.
Avoid luminaire tilt >60° (LED) or >70° (HID) toward players.
4.2 Light Trespass Limits:
≤25 lx horizontal / ≤45 lx vertical at 50m beyond field.
≤10 lx horizontal / ≤20 lx vertical at 200m.
5. Verification & Testing
5.1 On-Site Testing:
Measure illuminance at 36" height using a calibrated meter.
Calculate uniformity: Max/Min ratio ≤2:1 (infield) or ≤2.5:1 (outfield).
5.2 Documentation:
Provide illuminance calculations for all camera positions (#1–#6 for Class IV).
6. Key Baseball Lighting Design Principles
Infield vs. Outfield Gradient: Infield illuminance should be ~50% higher than outfield to enhance contrast, with a sharp transition at the boundary.
Aerial Illumination: Critical for tracking fast-moving balls; include vertical planes up to max. trajectory height.
Durability: Use IP65-rated, corrosion-resistant fixtures.
Ceramiclite Sport Light