The Fujifilm Fujinon XF 18-55mm F2.8-4 R LM OIS ($699.95) isn't the company's latest zoom lens, but we're updating our review after having tested it with a modern 24MP camera. Since its release it's been joined by two more entry-level standard zooms, as well as the pro-grade XF 16-55mm F2.8 R LM WR. Despite having some more competition and being tested with a camera that puts more stress on its optics, the XF 18-55mm still shines. It's priced between the most basic and premium offerings from Fujifilm, and while it doesn't offer as much wide angle coverage as the 16-55mm and loses a bit of light when zoomed, its images are sharp, without much distortion, and it includes image stabilization.

Design: Better Than Kit Quality

The XF 18-55mm's focal length puts it in the same conversation as many inexpensive kit lenses that have come before. And while I've seen the quality of 18-55mm zooms improve over the years—both in build and image quality—I've not seen another that matches the Fujinon. It's still technically a kit lens—you can get it as a bundled option with more premium models like the X-T20 and X-E3—but it's better built than Fujifilm's two true entry-level zooms, the XC 15-45mm and XC 16-50mm.

One of the things that sets the 18-55mm ($659.00 at Amazon) apart is its optical design. It's an f/2.8-4 lens, so it captures about 50 percent more light at its widest angle and twice as much light when zoomed all the way in as the 15-45mm or 16-50mm, both of which sport f/3.5-5.6 designs. Of course, that's assuming you are shooting at maximum aperture—you can always choose an f-stop that captures less light.

It also outpaces its plastic siblings in build quality. It isn't weather sealed like the XF 16-55mm F2.8, but the XF 18-55mm does have a metal outer barrel and an aperture control ring. It measures 2.8 by 2.6 inches (HD) at its shortest position, weighs 10.9 ounces, and supports 58mm front filters. It telescopes as you zoom in, and the inner barrel is plastic, as is the included lens hood.

There are three control rings, all knurled metal. The foremost is narrow, a quarter-inch or so, and adjusts focus when the camera is set for manual focus. Behind it is the zoom ring, about three times as wide, with marks at the 18, 23, 35, and 55mm positions. These are the actual focal lengths, not full-frame equivalents. If you're used to thinking of a lens in full-frame terms, the 18-55mm will capture a similar angle of view as a 27-82mm zoom on a 35mm camera.

Finally, there's the aperture control ring. It's about the same width as the manual focus control, but placed closer to the base of the lens. It also has a ridged, knurled texture, but the ridges are raised higher and set further apart than the zoom or focus ring, so you can identify them by touch.

There are only two control switches on the barrel. One switches the aperture control between manual and automatic, and the other turns the optical stabilization system on and off. With the exception of the X-H1, Fujifilm cameras do not have in-body stabilization, so getting a lens with the feature is a boon, especially if you plan on recording a lot of handheld video.

Close focus is a weak point. The lens can focus as close as 11.8 inches, which means at its best you'll be able to capture subjects at 1:6.7 life-size. You certainly won't be able to hone in on a bug or flower like you can with a real macro lens, and you may find yourself taking a step back in order to lock focus, rather than leaning in to get a tighter shot as you can with a zoom that focuses closer. The entry-level XF 15-45mm focuses to 5.1 inches, for larger 1:4.2 magnification.

Image Quality

I tested the XF 18-55mm with the 24MP X-Pro2 and Imatest software. At 18mm f/2.8 it manages 2,696 lines on a center-weighted sharpness test—better than the 1,800 lines we want to see at a minimum. Resolution is strong from center to edge, and while the very outer edges of the frame aren't as sharp as the average, they are quite good at 2,283 lines.

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Resolution takes a slight step back at f/4 (2,379 lines) and f/5.6 (2,384 lines), but is very good. It bounces back at f/8 (2,492 lines) and we see the sharpest results at f/11 (2,973 lines). Diffraction cuts into image quality at f/16 (2,638 lines) and f/22 (2,189 lines), but not to the point of making images unusable.

At 35mm the maximum aperture is f/3.6, which shows that the f-stop drop is fairly linear. Resolution is strong, at 2,656 lines. There is a slight step back at f/5.6 (2,461 lines), but it bounces back at f/8 (2,594 lines) and f/11 (2,631 lines). Results are still solid at f/16 (2,615 lines), though quality takes a turn for the worse at f/22 (2,117 lines). As with 18mm, results at 35mm are crisp from center to edge.

At 55mm the aperture is f/4, half as bright as at 18mm. But we don't see any problems with sharpness. The lens resolves 2,711 lines at f/4 and hovers around 2,700 lines at f/5.6, f/8, and f/11. There's a very slight drop at f/16 (2,650 lines), and a bigger one at f/22 (2,193 lines).

Distortion is very well controlled. We see a little bit of noticeable barrel distortion at 18mm, but just a very little bit—about 1.3 percent. You won't notice the slight outward curve in most images, but you may want to correct it with Lightroom or another photo editor if you're photographing architecture or other subjects with perfectly straight lines. At 35mm and 55mm there is no noticeable distortion.

We also look at lenses to see how evenly they illuminate scenes. The 18-55mm is quite good, with corners and edges that are within a half-stop of the center through the entirety of the zoom range at a wide-open f-stop.

A Standout Middle Child

The Fujifilm Fujinon XF 18-55mm F2.8-4 R LM OIS is the middle child of the standard zoom lenses available for the X system. It offers a brighter design, a better build, and better optics compared with the entry-level XC 15-45mm and XC 16-50mm. And it drops the wide-angle coverage, fixed f/2.8 design, and weather sealing included with the premium XF 16-55mm F2.8.

I still recommend the XF 16-55mm F2.8 to pros who need the best image quality and brightest aperture from the Fujifilm sytem. But if you're not using your camera to earn a living, and simply want a sharp, light, affordable zoom to capture memories from travels, family events, and the like, don't forget about the XF 18-55mm. It's not without its drawbacks—notably the lack of 16mm coverage and limited close focus capability—but it does just about everything else right.

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