Tiffen Variable ND Filter Review

An ND filter blocks light, meaning you can use a slower shutter speed or larger aperture. The Tiffen Variable ND Filter sounds great on paper, offering flexibility and convenience. Here’s how it performs in practice.

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A fast shutter speed helps create a sharp photo. At least, it can help when the risk of blur comes from motion, either the camera moving or the subject of the photo moving.

But sometimes, you might want to deliberately slow down the shutter speed. You might be wanting to get that silky look to moving water during daylight. You might want to magically remove people from a photo, making the Lincoln Memorial look like it’s deserted. Or you might want to be able to use a wide-open aperture in lighting that would be ordinarily too bright to do so, like shots of a sunrise. Or, if you’re shooting video, you might want to lock in a specific shutter speed like 1/30, 1/50, or 1/60 to get more natural-looking footage. If you’re taking photos in relatively bright light, you might not be able to get the shutter speed low enough even if you use the smallest aperture available on the lens.

In all of these scenarios, a neutral density filter, or ND filter, can come to the rescue. Quite simply, a neutral density filter blocks some of the light from reaching the sensor (or film, for that matter). It does it with a neutral gray that, ideally, doesn’t add a color tint. A standard neutral density filter affects the entire frame equally. A graduated neutral density filter is darker on one side and lighter on the other, with a smooth transition between, which is most often used for darkening skies.

A traditional neutral density filter is a single layer that darkens by a set amount. If you wanted a minimal effect, you might choose a filter that drops the light by two stops. If you wanted to go to the other extreme, you might choose one that drops the light by 9 or 10 stops. That means that you can easily end up carrying around several different filters for one lens size just to get different amounts of darkening. Some of the new mirrorless cameras even come with built-in ND filters (though they’re often applied digitally rather than optically).

Variable ND filters (sometimes called Vari-ND or fader filters) are designed for a single filter to replace those separate filters. They offer two benefits: convenience and versatility in controlling how much darkening to use because you don’t have to choose just 2 stops or 4 stops or 9 stops–you can choose anything in between as well.

There are several variable ND filters available including the Singh-Ray Vari-ND, Opteka HD Multi-Coated Variable Neutral Density, SRB Variable ND Filter, Light Craft Workshop Fader Mark II Filter, and the Kenko Digital NDX Variable. The Singh-Ray is generally the highest rated, but it’s also the most expensive. And then there’s the Tiffen Variable ND Filter.

Tiffen Variable ND Filter

Tiffen has been in the filter game for a long time and makes very good filters that tend to be more affordable than some of their competitors. It’s still not cheap, though.

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I mostly tend to stick with B+W, Nikon, and Cokin filters for most of my work, but the Tiffen Variable ND Filter certainly piqued my interest.

What You Get

It’s supplied with an oversized padded case, which is much fancier than the usual white plastic box most filters come in. It provides good padded protection, but the velcro closing flap doesn’t seal, so it doesn’t keep out dust or dirt. It’s also much bigger than the filter, which isn’t especially convenient for precious space in a camera bag.

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The outside of the filter has graded markings between Min and Max marks, but they’re not calibrated stops–they’re simply a rough guide for your visual reference.

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The filter works much like a circular polarizer. Rotating one layer relative to the other provides the effect. An inner layer screws into your lens, while the outer layer rotates freely to vary the effect. The way this particular one is designed, the diameter of the outer layer is significantly larger than the inner layer–by about 12mm. That means that your regular lens cap and hood won’t fit with the filter attached to the lens.

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Field Test

I had high hopes for the Tiffen Variable ND Filter, especially for my time-lapse work.

One of the side-benefits of a variable ND filter is in composing and focusing a shot. If you’re using a very heavy ND filter like a 1000x ND filter, it can be very hard to see anything through the viewfinder, and it will almost certainly thwart the camera’s auto-focus. With a variable ND filter, you can compose and focus the shot at the light end of the spectrum and then simply rotate until you get the desired level of light reduction.

It does block out the light, and it does it in a variable way. But in putting the filter through its paces, I quickly ran into two problems that are deal breakers for me.

The first is that it creates its darkening effect by effectively being a very strong polarizing filter. And on a wide-angle lens, that’s a problem. [Check out this post for some of the issues with using circular polarizers on wide-angle lenses.] At its strongest settings, there’s a strong cross pattern that can have a heavy impact on the photo.

Here’s an example of what I mean. This is straight out of the camera. I haven’t fiddled with the contrast or processed it in any way to exaggerate the problem–it really is that bad. It was shot at 20mm APC (30mm full-frame equivalent) with the filter rotated to about maximum effect.

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The problem is much less pronounced if you rotate the filter to a much weaker setting, but it’s still very noticeable. Again, this is straight out of the camera.

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Of course, this is very much in the your-milage-may-vary category. A sunny blue sky scene and using a wide-angle lens is about the worst-case scenario. Unfortunately, it’s also top of the list of situations when I’m reaching for an ND filter. It would be less noticeable on a telephoto lens and in some other lighting conditions. But it even shows up in lab tests.

The second problem is that the filter makes the image very soft as well as introducing new chromatic aberration. And it’s not the kind of softness that some careful sharpening can overcome. In short, it’s nowhere near the quality I need for images for clients or publication.

With a good quality fixed, single-layer ND filter, you don’t get either of these issues. So, for me, it’s back to my trusty one-trick-pony B+W ND 3.0 ND filter. I love the idea of a variable ND filter, and it might be adequate for video filming, but in practice, the Tiffen Variable ND Filter just isn’t my cup of tea.

ND Filter Recommendations

A poorly made neutral density filter can significantly degrade your image quality by reducing sharpness or introducing color shifts. It’s worth spending a bit extra to get a good quality one. Here are some other options for ND filters that I recommend from personal experience:

B+W ND with Single Coating (make sure to get the correct  thread size)

Cokin Series P Neutral Density Filter (ND8X) (0.9) (requires a Cokin P mount purchased separately)

Lee Neutral Density Filter (requires a Lee holder purchased separately)

by David Coleman

I'm a freelance travel photographer based in Washington DC. Seven continents, up mountains, underwater, and a bunch of places in between. My images have appeared in numerous publications, and you can check out some of my travel photography here. More »

10 thoughts on “Tiffen Variable ND Filter Review”

  1. They are on sale at B&H today and I nearly bought one. Thanks for this article and reminding me why I should stay away!

    Reply
  2. Thanks for posting this. I love the idea of carrying a variable ND in my bag, and I can deal with the care needed to avoid the dreaded black X. I can even put up with a bit of colour fringing, but I can’t suffer soft degraded image quality.
    I tried a couple of “supposedly good” variable NDs in the past and got rid of them after reviewing the results at 100%. There is so much written about the performance of the Tiffen and lack of image softening that I almost made the same mistake again!
    It really astonishes me that photographers will spend hours comparing lens reviews and pay massive premiums for lenses which out perform their much cheaper competitors by the slightest of margins, only to screw one of these things on the front of it.
    I’m sure they have their place in video photography but if you’re serious about image quality of stills then the image degradation from using one of these has to be indescribable. I’ll stick to fixed ND filters until something convinces me otherwise.

    Reply
  3. Totally identify with the problems outlined here – first shot I took saw the dreaded cross-marks making the shots unusable – mine is going straight back and ill buy a 10stop ND for my timelapses in future. £100 for this product that does not do its job is wasted money.

    Reply
  4. Oddest thing in the world… anybody ever hear of this happening?
    I shot a roll of TMax 400 on my Mamiya 6 with a 10 stop ND filter to pick up movement in my photos on sunny days. When I developed the film, the exposures were perfect but, when I scanned them today, the words from the back of the paper (KODAK and the frame numbers) show up in the image, something I can’t see by just looking at the neg but are there when enlarged. The exposure must be so long it burns to the plate which acts like a mirror onto the neg. Anybody have anything ever happen like this????

    Reply
    • No, I’ve never heard of that happening. Very odd! I’ve certainly run into light leaks through the eyepiece in long exposures, but that’s pretty normal compared to what you’ve done. Great trick!

      Reply
  5. Unfortunately, that is the problem with even the most expensive variable ND filters on the market, mainly due to the physics of having two lenses polarizing to control lighting effects. On my Tiffen variable ND, I have to compromise a bit on my aperture (slightly above my ideal F/stop), zooming (ideally above 50mm), and the angle the lens is pointing at the sun, which are all acceptable and manageable considering it only cost me about $100 for my 67mm ND filter. The main usage of my filter is to reduce the ambient light while using a lower F/stop and be able to utilize the full power of my off-camera flash to light my subject. It’s been working beautifully for that.

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  6. I tried a number of variable ND filters (including Cokin, Kenko and Hitech) except Singh-Ray ones and I found them pretty much unusable because of the cross-polarization effect. I have returned them all to sellers. May be the cross-polarization effect depends on the combination of filter-lens-sensor, but on my D800 I wasn’t able to get even 5-stops without getting noticeable cross-polarization. Still using my old trustworthy B+W and Hoya filters.

    Reply

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