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NiSi announces new 9mm f/2.8 APS-C super-wide prime

NiSi 9mm f/2.8
(Image credit: NiSi)

NiSi is probably best known for its filter systems, but it’s also branching into camera optics, as shown by this newly-announced 9mm f/2.8 prime lens. We don’t know too much about it yet, but NiSi has posted a video (opens in new tab) that shows the 9mm f/2.8 in action.

From what we’ve seen so far, this lens will be available in a number of mounts, including Sony E and (from the video) Fujifilm X. We believe there will also be an MFT version, though the smaller MFT sensor size means there are probably better ‘native’ ultra-wide lenses for these cameras.

The new NiSi lens is clearly larger than the competing Laowa 9mm f/2.8 (opens in new tab), a lens we rate very highly, but going for the same level of edge to edge sharpness and distortion correction. If this new lens can improve on the pretty heavy vignetting of the Laowa lens, that would be a bonus.

The NiSi 9mm f/2.8 will be available in a number of different APS-C mounts, and Micro Four Thirds. (Image credit: NiSi)
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It looks like the new NiSi 9mm f/2.8 will be weather sealed. (Image credit: NiSi)
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Minimum focus distance is quoted as just 0.2m. (Image credit: NiSi)
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The ASPH. in the name suggest this lens uses aspherical elements for higher-quality images and aberration correction. It has a manual aperture ring, with settings from f/2.8 to f/16, and a manual focus ring marked in both feet and meters.

There are also depth of field markings for apertures from f/4 to f/16, which will be ideal for fans of hyperfocal and zone focusing.

The front element is moderately convex but not to the point where you can’t fit filters. The filter size is 67mm, which is quite wide for a compact prime lens but common amongst zoom lenses – many users may have filters in this size already.

NiSi’s video also shows the 9mm f/2.8 ASPH. covered in water droplets, which suggests it has a weather-sealed construction, and it is shown focusing down to a distance of just 0.2m.

We look forward to checking out this new lens’s optical performance, especially against the Laowa 9mm f/2.8. With an equivalent focal length of 13.5mm in full frame terms, this could prove a really useful lens for travel, architecture and astrophotography.

Read more:

Best lenses for astrophotography
Best Sony lenses
Best Fujifilm lenses
Best travel lenses
Best lenses for landscapes

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Rod is the Group Reviews editor for Digital Camera World and across Future's entire photography portfolio, with decades of experience with cameras of all kinds. Previously he has been technique editor on N-Photo, Head of Testing for the photography division and Camera Channel editor on TechRadar. He has been writing about photography technique, photo editing and digital cameras since they first appeared, and before that began his career writing about film photography. He has used and reviewed practically every interchangeable lens camera launched in the past 20 years, from entry-level DSLRs to medium format cameras, together with lenses, tripods, gimbals, light meters, camera bags and more.