A secret to great photos is to use filters to balance the color of light for the mood you want to create. This informative calculator shows what filters & exposure adjustments to use!

• Covers artificial lighting (incandescent, studio lamps, photofloods, etc.).
  
• Covers natural lighting (from sunrise to sunset, clear or overcast sky).
• For daylight or tungsten film.
• Made of durable riveted "calculator board" inside a protective clear vinyl sleeve.

Patent Pending