AstrHori AF 27mm f/2.8 27mm

The AstrHori AF 27mm f/2.8 is a tiny, affordable pancake prime for APS-C mirrorless cameras. It delivers surprisingly good autofocus and build quality but falls short on corner sharpness and bokeh. It's the perfect lens for keeping your setup pocketable on a budget.

In our database, the autofocus performance sits in the 87th percentile, which is a standout for a lens in this budget tier. It locks on quickly and quietly, making it a solid pick for candid street shots. The build quality also impresses, landing in the 90th percentile. It feels dense and well put together despite the plastic shell. Optically, it's a bit of a mixed bag. Sharpness in the center is decent, but the corners get soft, and the bokeh is pretty underwhelming, ranking in the 19th percentile. You won't get that creamy background separation here, partly because of the f/2.8 aperture and the 6-blade diaphragm. Flare and ghosting are controlled reasonably well thanks to the special coating, but don't expect it to outperform pricier glass.

The most obvious rival is the Fujifilm XF 27mm f/2.8 R WR. The Fuji is optically superior, has weather sealing, and an aperture ring, but it costs significantly more. You're paying for better sharpness across the frame and peace of mind in bad weather. Then there's the Viltrox Air AF 25mm f/1.7 Air E, which gives you a much faster aperture for low light and bokeh, but it's a bit larger and not a pancake. If you're on a Nikon Z DX body, the NIKKOR Z DX 16-50mm f/3.5-6.3 VR is a kit zoom that's more versatile and stabilized, but it's slower and not as sharp at the wide end. The AstrHori's main selling point is its size. It's the lens you'll actually carry every day because it disappears on the camera.

Pricing on this lens is all over the map, with a spread of nearly $32,000 across vendors, which is frankly absurd and likely a data error on the high end. In reality, you can find the AstrHori AF 27mm f/2.8 for around $52 to $150, making it one of the cheapest autofocus primes you can buy new. For that kind of money, it's hard to complain too loudly about the optical shortcomings. It directly undercuts the Fujifilm XF 27mm f/2.8 R WR by a huge margin, though you lose weather sealing and superior optics. If you just need a tiny lens to make your camera pocketable, this is a no-brainer value pick.

If you're hunting for an ultra-compact autofocus prime for your Fujifilm X-mount camera without spending a fortune, the AstrHori AF 27mm f/2.8 is going to catch your eye. It's a tiny pancake lens, weighing just 167g, that gives you a 40.5mm full-frame equivalent field of view. That's a sweet spot for street photography and everyday walkaround shooting. The STM autofocus motor is surprisingly snappy for a budget lens, and it even supports eye-recognition algorithms on compatible bodies. It's not weather sealed and there's no stabilization, but at this size and price, those are trade-offs most people will accept without much fuss.

Skip this lens if you shoot a lot of portraits wide open or need reliable performance in bad weather. The bokeh is busy and distracting, and the lack of weather sealing means it's not the best choice for landscape photographers who work in the elements. If you need a fast aperture for subject separation, look at the Viltrox Air AF 25mm f/1.7 instead. And if optical perfection is non-negotiable, just save up for the Fujifilm XF 27mm f/2.8 R WR.

Should you buy the AstrHori AF 27mm f/2.8? If your main goal is to make your Fujifilm X-mount camera as small and light as possible while keeping autofocus, yes. It's a fun little lens that punches above its weight in build and AF speed. But if you care about edge-to-edge sharpness, smooth bokeh, or shooting in the rain, you should save up for the Fuji version or look at faster alternatives. This is a lens for convenience and portability first, image quality second. For street photographers who shoot at f/5.6 or f/8 and just want a discreet setup, it's a great companion.