Sigma 100-400mm F5-6.3 DG DN OS Fuji X-Mount Gallery
September 5th, 2023
For the second time in about a month, I am working on a review of a lens that was designed on full frame but is being ported over to the APS-C only Fuji X-mount. Tamron determined that its full frame 150-500mm VC lens was compact and competent enough to work on Fuji (where there are few telephoto options). The result is (for the most part) successful, as I detailed in my review here. But Sigma also has an excellent candidate for this converter – a direct competitor to the Fujinon XF 100-400mm OS (my review here)in the form Sigma 100-400mm F5-6.3 DG DN OS (we’ll call it the 100-400X in this review for brevity). The 100-400X is going to be a bit of disruptor on X-mount for a couple of reasons. The first is that it is a very competent lens in terms of performance. The second is that is going to be a huge value alternative at $950 vs $1900 USD for the Fuji. The 100-400mm zoom range is one of the most popular for those who want some serious reach for birding, wildlife, or sports but don’t want the larger size that comes with longer focal lengths. When you consider Fuji’s 1.5x crop factor on X-mount cameras you get a focal length equivalence of 150-600mm on full frame, which is obviously incredibly useful, going from this at 100mm:
I have the original Sigma 100-400mm DN a positive review on Sony E-mount in mid 2020. It was the first of the third party telephoto lenses to come to Sony E-mount, and it was very welcome because it was along about a third of the price (though you had to buy the tripod collar separately if you wanted one) while providing most of the features and performance of the Sony 100-400mm G Master lens. I suspect that it can serve a similar role here on Fuji, mostly because it can create images like this…
…for under a thousand bucks. The fact that Fuji’s own 100-400mm is getting a little long in the tooth won’t hurt, either, though there are still a couple of areas where the Fuji has the advantage (compatibility with teleconverters, for example). So, does using a lens designed for full frame on an APS-C only system make sense? You can get my thoughts either by watching my video review or reading the text review here.
Thanks to Gentec (Sigma’s Canadian Distributor) for sending me a pre-release review loaner of this lens. As always, this is a completely independent review. I’m doing this review on a 40MP Fujifilm X-H2 camera.
Images of the Sigma 100-400mm F5-6.3 DN
Images taken with the Sigma 100-400mm F5-6.3 DN
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