Lee Filters – 100mm or Seven5 on the Fuji X

I am currently running Fuji X cameras alongside a Canon 5D Mk3 although I suspect this will not last for long, I feel so much more comfortable with the X-T1 and X-Pro2 and the lesser weight of the Fuji X system suits me too.

With the Canon I needed the 100mm Lee Filter System but I experimented with the Seven5 on the Fuji X cameras. I have wondered for some time what I would take with me when I sold the Canon and so it seemed sensible to make a comparison of the graduated filters and weigh up the pros and cons. First step was to make a proper comparison of the extent of the graduation and see how much difference there is in the fall off; simple enough to do by placing identical strength filters from each system along side each other. The pictures tell the story quite clearly. Now what of other considerations?

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Comparison of 2.5 stop soft grads from the Lee Seven5 and 100 mm systems. The larger filter has a markedly gentler transition.
Comparison of 2.5 stop soft grads from the Lee Seven5 and 100 mm systems. The larger filter has a markedly gentler transition.
Comparison of 2 stop hard grads from the Lee Seven5 and 100 mm systems. The smaller filter has a slightly more sharply defined transition.
Comparison of 2 stop hard grads from the Lee Seven5 and 100 mm systems. The smaller filter has a slightly more sharply defined transition.

 

A landscape photographer will need a wide angle lens from time to time, Canon users will favour either the 16-35 or 17-40 as a zoom wide angle while the choice for Fuji X users is clearly the 10-24. With Lee’s wide angle adapter plate it is quite possible to use these at their widest setting but whilst on the Canon you can have two filters in the holder on the Fuji using the Seven5 system more than one set of filter holder plates will result in vignetting and for this reason I have been carrying two Seven5 filter holders, one with a single set of slides and one with two. By making the transition to using the 100mm system on the Fuji I could however comfortably use three filters without any problem so a clear advantage for the larger system.

Other factors to take into account include cost and weight although I don’t believe the latter will be a serious factor for most people but one more thing that ought to be brought into the discussion is the suitability of the transition of the 100mm grads on the Fuji X. As we saw above the rate of transition on the Seven5 has been carefully balanced by Lee to suit the smaller sensor; this does not mean you cannot use the larger system but perhaps the user of the larger system should consider the medium and very hard grads rather than the more established soft and hard filters. The more recently introduced medium and very hard grads may suit the smaller sensor of the Fuji X. Not having tried these, for me the jury is still out.

Lee have a system match facility on their website with over 500 lenses indexed to help you choose. See [url=http://www.leefilters.com/index.php/camera/system-match]the page here. [/url]For the Fuji 10-24 lens it recommends the 100mm system but once you get up to 14mm either system can be used. Check it out for more help.

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6 thoughts on “Lee Filters – 100mm or Seven5 on the Fuji X”

  1. I have a Lee 100mm filter set for a 4×5″ film camera. I have used the filter set on my Fujifilm X-T1, but it is rather large for that camera. I want to use a physically smaller filter set, if I can get away with it. My widest lens is the Fujifilm XF 14mm f/2.8.

    I recently purchased the Lee Seven5 filter holder, polarizing filter, hood, and lens adapter rings. I evaluated the set on my 14mm lens. I found that the polarizing filter vignettes when the polarizing filter is used together with the hood. When the hood is attached to the front of the filter holder, the polarizing filter mounts inside the hood. Otherwise, the polarizing filter mounts on the front of the holder; it does not vignette.

    I did not try the Seven5 filter set on any lens wider than my XF 14mm f/2.8. It is my impression, though, that the 14mm is probably the widest available lens on which the set will work without vignetting.

    Liked by 1 person

  2. From the second half of the blog post: It is useful information that the Seven5 holder will not vignette with the Fujinon 10-24mm lens when only one set filter holder plates is installed.

    Regarding the issue of transition width on graduated neutral density filters: I am wondering how the relative width of the transition on an image sensor varies with sensor format and lens focal length. I imagine that the distance of the filter from some kind of optical point of the lens plays a role — that the farther the filter is from the front of the lens, the smaller the transition is on the image sensor.

    Liked by 1 person

    1. I suspect you are right about the distance from focal plane to filter relative to focal length but have not enough technical information to support that. I use the Seven5 but know other Fuji X users with the 100mm system. I guess it is what works for you.

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