Grid Calculator

Calculate grid light coverage and spread for controlled lighting.

Grid Settings

Coverage Diameter

1.46m
40deg grid at 2m

Coverage Details

Spread Radius0.73m
Coverage Area1.66m2
Light Reduction63% of ungridded

Light Characteristics

Light Loss1 stops
Efficiency85%
Edge FalloffModerate

Recommended Use

Portrait key light, controlled main light

Grid Angle Guide

5-10deg: Tight spotlight, hair light
20deg: Rim/kicker light, accent
30-40deg: Key light with control
50-60deg: Subtle spill control

Tips

  • Grids add direction without affecting softness
  • Combine with softbox for soft, directional light
  • Tighter grids need more precise aiming
  • Fabric grids fold up for easy transport
  • Use feathering for additional control