Cokin P037 Warming (81EF) Resin Filter

Introduction

The Cokin P037 Warming (81EF) Resin Filter control the bluish colouration that affects daylight film. They can also remove excessive blue from the effects of electronic flash. Good for general scenics when the photographer wishes to remove the bluish cast from open shade or just add warmth to the photograph, with an 81EF having the greatest effect.

This filter measures 85 x 85mm and fits the Cokin P series holder.

Whereas the 81 Series of filters creates a feeling of warmth, the 82 Series creates a feeling of coolness.

81 SERIES CONVERSION FACTORS

• 81 decreases colour temperature from 3300 – 3200 degrees Kelvin
• 81A decreases colour temperature from 3400 – 3200 degrees Kelvin
• 81B decreases colour temperature from 3500 – 3200 degrees Kelvin
• 81C decreases colour temperature from 3600 – 3200 degrees Kelvin
• 81D decreases colour temperature from 3700 – 3200 degrees Kelvin
• 81EF decreases colour temperature from 3900 – 3200 degrees Kelvin