This product is for a brand new Tiffen 49mm 81-A filter, with 2 piece plastic case, the box might be a little shop worn but the filter is brand new with full TIFFEN manufacturer's warranty. This is a light balancing filter used to decrease the color temperature slightly for a warmer tone. The 81-A will correct the tendency toward bluish tones. The 81-A should be selected when shooting portraits outside on a cloudy day to warm the skin tones. Another great use is when shooting landscapes and you want to add warmth to the shadow areas. Light Balancing Filters81 Series The 81 series filters are useful in cool light conditions. As letters advance, density and warmth increases.Creates warmer tones and brighter colors on overcast days or when shooting with electronic flash Great for improving flesh tones ALL WARRANTY IS DONE THROUGH THE MANUFACTURE.