Singh-Ray Filters: Mor-Slo Neutral Density
Singh-Ray Filters logoThe Singh-Ray Mor-Slo Neutral Density FilterVisit our Photo Blog


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The Singh-Ray Mor-Slo Neutral Denisity Filter
Mor-Slo ND Filter can add FIVE f-stops more density to your Vari-ND Filter. . . for even longer time exposures!
  • NOW you can really "go slow" ... with shutter speeds as much as 13 f-stops slower by combining the Mor-Slo with your Vari-ND. Note: to stack Mor-Slo with Vari-ND, at least one filter has to be standard mount -- two thin-mount filters will not stack.
  • ALSO use the Mor-Slo by itself -- or with your other filters -- as a 5-stop neutral density filter!




5-Stop Mor-Slo

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Now that the Vari-ND is leading more and more photographers to explore the realm of slow motion imaging, many of them want to go even slower. The new Mor-Slo filter is a quick, easy way to add even more density to the Vari-ND Filter without losing the ability to "dial" whatever degree of density you want.

Simply by placing the Mor-Slo 5-stop ND Filter in front of your Vari-ND, or behind your Vari-ND thin mount, you can achieve densities at any point between 7 to 13 f-stops.

The Singh-Ray Mor-Slo Neutral Denisity Filter

The Singh-Ray Mor-Slo is available in 77mm or 82mm, either a standard filter ring with mounting threads on both front and back or a thin-mount ring with no front threads.


Here's an example of how the Vari-ND and the Mor-Slo Filters can be used to produce extremely long exposures ... let's begin with a typical outdoor scene at mid-day. The shutter speed would be slowed from 1/500 at f8 (with no Vari-ND on the lens) to 1/125 at f8 (with the Vari-ND on your lens and set at its minimum density) to as slow as 1/2 second at f8 (with the Vari-ND set to its maximum 8-stop density).

At this point, if you add the Mor-Slo Filter in front of the Vari-ND, you can slow your exposure to as much as 30 seconds at f8 -- or 4 minutes at f22.





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Singh-Ray Filters
2721 SE Highway 31, Arcadia, FL 34266-7974 USA

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