Camera Filters: 82 Series (Light Blue) Filter
Category: Colour Temperature Conversion
This light blue filter cools lighting situations, but not as dramatically as the 80 series.
82 has conversion 3100-3200k, exposure +1/3.
82a has conversion 3000-3200k, exposure +1/3
82b has conversion 2900-3200k, exposure +2/3
82c has conversion 2800-3200k, exposure +2/3
These filters are used for more subtle changes in colour balance. They are often known as light balancing filters rather than conversion filters, as they shift the colour temperature in smaller degrees to balance the colour of the light to the colour sensitivity of the film.
This light blue filter will make the appearance cooler.