Singh-Ray 77mm Vari-N-Duo Polarizing Variable Neutral Density Filter (Standard Mount)

Singh-Ray 77mm Vari-N-Duo Polarizing Variable Neutral Density Filter (Standard Mount)

Singh-Ray 77mm Vari-N-Duo Polarizing Variable Neutral Density Filter (Standard Mount)

B&H # SIVNDP77 MFR # R-90

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Product Highlights

  • Neutral Density with Warming Factor
  • Adjust Density From 2-2/3 - 8 f/ Stops
  • Creates Blurred Images
  • Increases Cloud Density
  • Makes Blue Skies Bluer
  • Eliminates Reflections
  • Glass Construction
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Singh-Ray R-90 overview

  • 1Description

The Singh-Ray 77mm Vari-N-Duo Polarizing Variable Neutral Density Filter gives you the incredible benefits of two filters in one. With this unique filter, you can not only slow down the action but add in the effects of a warming polarizer.

Heretofore, when photographers wanted to create this effect, they had to "stack" filters on the lens - a sure ticket to vignetting. Now, this all-in-one system permits you to carry one filter to achieve the desired results. You can easily adjust the neutral density from 2-2/3 to 8 f/stops and, at the same time, control the density of your sky, make clouds stand out or eliminate reflections. The Vari-N-Duo allows you to not only create some stunning blurred images but with various degrees of polarization as well.

There are two rings on the filter - Min/Max for controlling neutral density, and a rotating polarizing ring just behind the Min/Max Ring.

Note: The design of the Vari-N-Duo Filter may introduce irregularities or vignetting when used with very wide angle lenses, especially on full-frame cameras. Adjust your focal length and reduce the filter density setting until the irregularities disappear

Front Min/Max density ring lets you adjust density from 2-2/3 to 8 f/stops - greatly extends exposure times
Polarization is easily controlled by rotating the ring just behind the Min/Max ring
The LB Warming Polarizer reduces glare from sky, water, wet rocks, and other reflective surfaces
Filter thread on front ring of Standard mount lets you add either a Mor-Slo 5-stop Solid ND Filter or a Cokin holder for ND Grad Filters
In the Box
Singh-Ray 77mm Vari-N-Duo Polarizing Variable Neutral Density Filter (Standard Mount)
  • Protective Case
  • Optical Cloth Liner
  • Warranted Against Manufacturer's Defects for 90-Days
  • Table of Contents
    • 1Description

    Singh-Ray R-90 specs

    Filter Type Variable ND Combination
    Combination Type Circular Polarizer, Warming
    Density 0.8 (2.6 Stops) to 2.4 (8 Stops)
    Shape Circle
    Circular Size 77 mm
    Front Accessory Thread / Bayonet 77 mm
    Filter Thickness 0.67" / 17 mm
    Filter Material Glass
    Coatings None
    Packaging Info
    Package Weight 0.22 lb
    Box Dimensions (LxWxH) 4.5 x 3.5 x 1.2"

    Singh-Ray R-90 reviews

    77mm Vari-N-Duo Polarizing Variable Neutral Density Filter (Standard Mount) is rated 4.7 out of 5 by 7.
    Rated 5 out of 5 by from Provides lots of flexibility and control I was a little intimidated when I first looked at this, but after taking it out the first time to shoot a waterfall I can't imagine being without it! The polarizer works really well, and with the ND at maximum density and at long-ish exposures there is no color cast. The biggest challenge is that the polarizer and ND rings turn together if you're not careful. Set the ND to Min so it is light enough to view the scene, then adjust the polarizer first. Once the polarizer is set, hold the polarizer ring with one finger or gaffer-tape to keep it from turning, and then turn just the ND ring to dial in the density you need. Sounds complicated but it will come as second nature once you try it a couple of times. This is a wonderful filter that is actually easy to use and it produces great results. I've hand-held Singh-Ray rectangular Graduated ND filters over the Vari-N-Duo to further control the light, with really great results.
    Date published: 2012-08-17
    Rated 5 out of 5 by from Amazing! Reviews of variable nd filters are usually peppered with cautionary statements that the extremes on either side (darkest and lightest points) will cause various problems. I am not sure if it is the Singh-Ray's quality or if I lucked out but I tried my filter in all the different settings I could think of and the results were stunning every time. I am just trying to figure out how to be able use the warming polarizer correctly. The filter came with instructions and I am trying to follow them carefully but still having a hard time. I think it is at least partially a matter of my getting used to and learnig how to work with new equipment. I am finding it hard to get the polarizing part right!
    Date published: 2016-03-28
    Rated 5 out of 5 by from Essential for niche pics Quite easy to learn to use and to manipulate. Minimal vignetting even with 16-35mm f4 on my D700 after about 24mm. Great for long exposures in bright daylight and shallow depth of field. Some pics are not possible without ND filters and this one is so easy and convenient. Then throw in the polarizer and it has MANY uses.
    Date published: 2012-05-14
    Rated 5 out of 5 by from Great Filter Combo This ND filter works great and does exactly what it was designed to do. Having the polarizer to cut glare and deepen colors is a great addition. I felt that the thin mount wouldn't be worth the extra money over the standard mount. I'm very happy with my choice.
    Date published: 2011-08-02
    Rated 4 out of 5 by from A must buy! It does a great job on blurring water or anything that moves even in broad daylight.
    Date published: 2013-01-04
    Rated 5 out of 5 by from Great !!! Easy to use. Great performance, and more ....
    Date published: 2012-09-20
    Rated 4 out of 5 by from Nice Quality! Very Smooth transitions The feel and weight of this items is that of quality. It's mechanical feel is very smooth. However, it would be even better if the adjustment rings were a bit stiffer for more precise control.
    Date published: 2012-08-13
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