Filter + UV Protection Filter
Filter + Neutral Density Filter
Filter + Circular Polarizer
Filter + 72mm Circular Polarizer
Product 1: Eliminates overly bright, washed-out images
Product 1: Balances exposure
Product 1: Controls depth of field
Product 1: 58mm diameter
Product 2: The effect can be seen through the viewfinder and changed by rotating the filter
Product 2: Filter factor varies between 2.3 and 2.8, according to how the filter is rotated and its orientation to the sun
Product 2: Best results with SLR cameras
Product 2: Designed for lenses specifying a 58 millimeter filter thread size