This is a Norman Pack of 3 Neutral Density 810551 (5") light reduction gels: 1-stop, 2-stop, and 3-stop neutral density.
- Replaces ND5
Norman ND5 Overview
Norman ND5 Specs
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Norman ND5 Reviews
Filters are unlabeled
Filters come with no explanation as to the density of each. I intend to measure the transmission of each filter, but by laying them out on a white paper, the relative densities are noticeable.
Does the Job
Haven't used any other brand so can't compare performance. These seem to reduce overall intensity without having any noticeable effect on color values, and they have had no difficulty withstanding the heat generated by 250W halogen lamps. I don't change them out often (tend to leave them in a frame and dis- or re-mount the frame as required) so I can't comment on how well they would stand hard usage in that direction, but they seem to be as sturdy as any I've seen.Norman is a name I trust, ...so I really didn't think that much about it and I don't imagine that you need to either.
