4.5" Round Water White Glass ND 1.5 Filter (5-Stop) Clear These spacings are measured in

These spacings are measured in millimeters and range from 1mm to 4mm: A 1mm spacing has twice as many lines as a 2mm spacing and will produce a brighter star for any given source

Diffuses strong light entering the lens and produces a glowing effect

Neutral Density 16

Tiffen's Ultra Polarizers polarize light "a little more" than regular polarizers

It has a filter factor of 4

4.5" Round Water White Glass ND 1.5 Filter (5-Stop) Clear These spacings are measured inThe 4. 5" Round Water White Glass ND 1. 2 Filter from Tiffen has several uses and offers the possibility of achieving otherwise unachievable results. It enables the shooter to adjust exposure without affecting color balance. Neutral density filters appear gray and reduce the amount of light reaching either the sensor of a digital camera or the film. 1. 2 Solid Neutral Density Filter Permits Using Fast ISO in Bright Light Use to Create Blurs Special