Studio Spot 575 Photometrics

Calculator for Image Parameters in the Studio Spot™ Automated Luminaire
This program calculates Output and Image Diameter or Throw, Distance for Normal, Wide and Narrow Angle lens systems.

To use the Photometric Calculator
1. Enter either 'Throw Distance' or 'Image Diameter' (not both)
2. Select 'Normal', 'Wide' or 'Narrow' angle Lens System
3. Select 'Metric' or 'English' Units
4. Click on 'Calculate'.
5. The other parameters will be calculated.
6. To repeat calculation click on 'Clear' then enter new parameters

Lens System	NormalNarrowWide
Units	MetricEnglish
Throw Distance
Image Diameter
Output at Center

Photometric Sheet 1
Studio Spot with 18 deg. normal angle lens

Photometric Sheet 2
Studio Spot with 13 deg. narrow angle lens

Photometric Sheet 3
Studio Spot with 30 deg. wide angle lens