- Reduces excess blue from flash indoors or in daylight flash-fill. - Warms (balances) sea, sky and high altitude shots. - Adds healthy look to skintones shot in open shade or overcast. - Multi coated for flare prevention.
The 81A light balancing filter is used to decrease the color temperature slightly for a warmer (redder) tone. It corrects the tendency toward bluish tones. The 81A should be selected when using tungsten Type B color film (3200?K) with photoflood lamps (3400?K).K).
This is the construction of a type of filter. The type of process used to create a filter can affect its price. Filters can be constructed out of regular glass that sandwiches a coloured gel in between or in high-end filters, raw elements are added to the molten optical glass so there is no risk of uneven colour or fading.
This is the size of a front lens cap. Standard sizes for snap-on lens caps include: 27mm, 28mm, 30mm, 34mm, 37mm, 39mm, 40.5mm, 43mm, 46mm, 49mm, 52mm, 55mm, 58mm, 62mm, 67mm, 72mm, 77mm, 82mm and 86mm.