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  • RainbowImaging 77mm Adjustable Fader ND Filter Neutral Density (ND2 - ND400) Multi-Coated Japan
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RainbowImaging 77mm Adjustable Fader ND Filter Neutral Density (ND2 - ND400) Multi-Coated Japan

8 customer reviews

Currently unavailable.
We don't know when or if this item will be back in stock.
  • RainbowImaging 77mm Adjustable Fader ND Filter Neutral Density
Currently unavailable. We don't know when or if this item will be back in stock.

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Product Description

RainbowImaging 77mm Adjustable Fader ND Filter Neutral Density

Product Details

  • Shipping Weight: 4 ounces
  • ASIN: B004D8XW5K
  • Average Customer Review: 2.9 out of 5 stars  See all reviews (8 customer reviews)
  • Amazon Best Sellers Rank:
  • Product Warranty: For warranty information about this product, please click here
  • Date first available at Amazon.com: November 20, 2010

Customer Questions & Answers

Customer Reviews

Most Helpful Customer Reviews

4 of 4 people found the following review helpful By LD Way on May 4, 2011
Verified Purchase
Anyone looking into getting a variable ND filter knows that they are not cheap. I thought I would take a chance with Rainbow and boy am I glad I did! The product not only works as advertised it also is one of the most neutral ND filters I have ever tried. I was so pleasantly surprised I order another one for my 55mm lenses. This product I can recommend with good conscience.
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6 of 7 people found the following review helpful By Dave Wilson on August 6, 2011
Verified Purchase
I was shopping for a 10 stop ND a couple of months back and couldn't find one in stock anywhere so bought this filter instead. For most of the work I was planning to do, 8 stops would be perfectly sufficient. Testing the filter, however, I find that it works well up to about 6 stops of reduction (as measured on the filter's rotating scale) but above this, I start to see very nasty artifacting in the image with bright and dark areas easily visible. I'll hang on to it for use in the lower part of its range but I've bought a solid 10 stop ND since too. If you're looking for a really dark variable ND, I suspect it does actually pay to go with one of the more expensive options.
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1 of 1 people found the following review helpful By JCMegabyte (JCMDI) on August 17, 2011
Verified Purchase
This is an interesting product which appears to be two polarized filters merged together. One of the polarizers is fixed to the filter threads while the other one can rotate, allowing the two filters to change phase in relation to each other. As the two align, most of the light passes through, and as they approach 90° to each other, nearly all of the light is blocked.

It may be possible to buy two 77mm polarizers (for under $20) and achieve the same effect, although I have not tried this (yet!) =).

As opposed to a true ND filter, these are polarizers so you will have the polarizing effect in addition to the ND light-lowering effect, whether you want it or not. Rotating the second filter alows adjustment of the light-blocking level, but since the 1st filter is fixed to the threads, you will have to keep it loose and rotate the WHOLE filter assembly in order to adjust the polarizing effect. This could be tricky if you need to get both effects just right.

The only other issue I found is that the glass is not terribly flat, and I noticed quite a bit of distortion (heatwave effect) as I rotated the entire filter in front of my eye (not mounted to the camera). I have not tested to see if this distortion makes a noticeable difference in the images or not. Some testing is certainly in order.

Overall, this is a neat product, with a few unexpected and potentially useful hitches, but perhaps a bit pricy considering alternative methods (buying two much cheaper polarizers) and the not-so-flat glass used in the product. So there you have it!

-JCMegabyte/JCMDI
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1 of 1 people found the following review helpful By C. Jodoin on August 12, 2011
Verified Purchase
The control is not linear, so the demarcations don't mean f/stops. It's about a -1 stop at Min. setting. On the Max. setting, gets so dark it fools the meter into underexposing. This could be the camera's fault, not the filter. However, the combination is only useful to about -6 stops which is still very good at this low price since there is no color shift that I can detect visually. It does start to vignette the corners below about 24mm lens on a full frame sensor with lots of vignette at 16mm. All in all, it's a great value.
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