Fujifilm GF GF45-100mmF4 R LM WR 36-79mm

The Fujifilm GF45-100mm f/4 is a sharp, stabilized workhorse that covers a hugely useful zoom range for GFX cameras. Its optical quality and stabilization are top of the charts, but it's heavy and the f/4 aperture holds it back for bokeh and low light. If you find it on sale near the low end of its price range, it's an easy recommendation for a one-lens setup.

Sharpness is where this lens earns its keep. It's one of the best in our database optically, resolving detail that makes those 100-megapixel sensors sing. The stabilization is genuinely best-in-class, letting you handhold shots at surprisingly slow shutter speeds. Autofocus is a mixed bag, it's quick and quiet in good light but hunts a bit when things get dim, landing it right in the middle of the pack. The real weak spots are bokeh and close-up work. The f/4 aperture combined with the lens design means background blur is just okay, and the minimum focus distance of 65cm means you're not getting anywhere near macro territory.

Stacked against the competition, this Fujinon plays a different game entirely. The Sigma 16-300mm and Tamron 18-300mm are superzooms built for APS-C, offering massive range but nowhere near the optical fidelity for a medium format sensor. The Canon RF 28-70mm f/2.8 is a stop faster and a stellar lens, but it's for a completely different mount and sensor size. The real comparison is within the GFX system itself, where this lens sits as the practical zoom option. It's not trying to be a fast prime or a macro lens. It's the one lens you grab when you need to get the shot without fussing with a bag full of glass.

Pricing is all over the map for this one, with a massive $1200 spread across vendors. If you can snag it closer to the $1400 end of that range, it's a fantastic deal for a medium format zoom that delivers this level of sharpness and stabilization. At the full $2600, you're paying a premium that's harder to swallow, especially when you consider the aperture and bokeh limitations. The sweet spot is finding it on sale, which turns it from a considered purchase into a no-brainer workhorse for your GFX kit.

Fujifilm's GF45-100mm f/4 is the lens a lot of GFX owners end up leaving on their camera. It covers the classic 36-79mm full-frame equivalent range, which means you can shoot wide environmental portraits and then tighten up for headshots without swapping glass. The constant f/4 aperture keeps exposure consistent, and the optical image stabilization is rated for a solid 5 stops, which is a lifesaver on a medium format body that doesn't have in-body stabilization.

It's not a small lens by any stretch. At just over a kilogram, you'll feel it in your bag, and the 82mm filter thread means your filter collection might need an upgrade. But the trade-off is a rugged, weather-sealed build that can handle rain and dust, plus optics that deliver the kind of sharpness you buy into a GFX system for in the first place.

Skip this if you need a fast aperture for shallow depth of field or low-light work. The f/4 is a real limitation for portrait shooters chasing that medium format bokeh look, and you'll be much happier with a GF prime. Also, if you shoot a lot of close-up detail, the long minimum focus distance will drive you nuts. Look at a dedicated macro lens instead.

This is the lens for the GFX shooter who values practicality and sharpness above all else. If you're a landscape or travel photographer who needs a single, weather-sealed zoom to cover a day's work, it's hard to beat. Portrait photographers who want creamy bokeh and shallow depth of field should look at the GF110mm f/2 instead. It's a tool that knows exactly what it is, a sharp, stabilized, versatile zoom that's built for the real world, not a spec sheet.