81 decreases color temperature from 3300 - 3200 degrees Kelvin
81A decreases color temperature from 3400 - 3200 degrees Kelvin
81B decreases color temperature from 3500 - 3200 degrees Kelvin
81C decreases color temperature from 3600 - 3200 degrees Kelvin
81D decreases color temperature from 3700 - 3200 degrees Kelvin
81EF decreases color temperature from 3900 - 3200 degrees Kelvin
Type
81A Color Conversion
Size
Z-Pro - 4x4" (100x 100 mm)
Grade
Not applicable
Filter Factor
+1/3 stop
Multi-Coated
No
Rotating
No
Effect
The 81 series adds warmth to the image
Application
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
Color Temperature
Decreases color temperature from 3400 - 3200 degrees Kelvin