Digital HT Neutral Density Screw-In Filter 37MM On close ups

On close ups

Clear filter provides no additional coloration or contrast

The solid color design makes this filter well-suited to pairing with other filters for further control over the appearance of imagery

They are not recommended for auto-focus SLR cameras

Digital HT Neutral Density Screw-In Filter 37MM On close ups1. 2 ND filter darkens the image, allowing you to photograph with a longer shutter speed or wider aperture than normally required. Providing a 4 stop exposure reduction, this filter allows you to control depth of field and convey movement more easily. Filter does not affect coloration of the image and is ideal for use with other filters. Digital HT multi coating provides increased strength, durability, and optical clarity for greater light