K&F Concept OM to FX Camera Mount Adapter: Olympus OM to Fuji X for X-Series
Product description
What this is
The K&F Concept OM to FX adapter is a simple, all-metal mount that lets you attach Olympus Zuiko OM lenses to Fujifilm X-series mirrorless bodies. It is a manual adapter with no electrical contacts, meaning you’ll need to focus and stop down manually. It supports infinity focus on compatible camera bodies and offers a straightforward path to using older prime lenses on modern Fuji cameras.
What it solves

If you own classic OM lenses and a Fuji X camera, this adapter helps you get more from your existing glass without investing in new lenses. It’s a pragmatic solution for enthusiasts who value a compact, durable, all-metal build and the character of vintage optics, rather than chasing autofocus convenience.
How it works in practice
On the camera side, you mount the Fuji X body as usual and attach the OM lens via the adapter. Since there are no electrical contacts, you’ll focus manually and use the lens’ native diaphragm control if it has one. The result is a clean mechanical interface that preserves the look and handling of the vintage optics, with the caveat that modern autofocus and electronic metadata are not available.



The best and the rest
What stands out is the rugged, all-metal construction and the ability to retain infinity focus with simple manual operation. The main limitation is the lack of electronic integration: you won’t get exposure confirmation through the camera body, and you must rely on your own technique to find proper exposure and focus. If you prioritise image character and durability over automated features, this adapter is compelling. If you depend on quick, automated focusing or electronic aperture control, it may feel limiting.
Who it’s for

This adapter suits photographers who already own Olympus OM glass and Fujifilm X-series bodies, and who enjoy hands-on control, depth of field planning, and compact setups. It’s particularly useful for street, documentary, or landscape work where a smaller profile and sturdy build are valued. It’s less appealing for portrait or action work where fast AF and electronic metadata are advantageous.
Who it isn’t for
If you require autofocus, metering through the lens, or electronic communication between lens and body, this adapter won’t deliver those conveniences. It’s also not ideal if you need data like focal length, exposure in camera, or EXIF from the lens to be captured automatically.



What to check before you buy
- Confirm your OM lens and Fuji X camera mount compatibility using the lens’ and camera’s manuals or manufacturer listings. The product description notes compatibility with several Fuji X bodies, but you should verify your specific pair.
- Expect a fully manual workflow: no electrical coupling means manual focus and stopping down, with no in-camera aperture control via the lens.
- Consider build expectations: all-metal construction with hardened anodised aluminium suggests durability, but ensure you’re comfortable with a higher-friction mounting sensation and potential weight increase compared to plastic alternatives.
Practical use example

Imagine you have an Olympus OM 50mm f/1.8 and a Fuji X-T30. With this adapter, you can compose through the viewfinder, bring the subject into sharp focus manually, and choose a tiny aperture to increase depth of field for a scene like a city street at dusk. The result will reflect the lens’ character and the sensor’s rendering, without relying on autofocus.
Technical snapshot (brief)
- Mount type: Olympus OM lens to Fujifilm X
- Material: All-metal, hardened anodised aluminium
- Function: Manual adapter, no electrical contacts, infinity focus supported
- Compatibility: Fuji X-Series bodies listed in the description (check your exact model)
- Notable limitation: Auto diaphragm/auto-focus not available



Is it worth it?
It makes sense if you already own Olympus OM lenses and a Fujifilm X-series body, value a robust, all-metal build, and don’t mind a fully manual shooting workflow. You’ll gain flexibility in the look and handling of vintage optics, but you’ll sacrifice autofocus and automatic exposure features. If these trade-offs align with your photography style, this adapter is reasonable value-for-money for expanding your glass collection without buying new lenses.
FAQ
- Can I use autofocus with this adapter? No. It is a manual adapter with no electrical contacts, so autofocus is not supported.
- Will I lose metering or exposure control? You’ll rely on manual exposure techniques and the camera will not receive electronic data from the lens for automatic metering.
- Is infinity focus guaranteed? The adapter is designed to support infinity focus on compatible OM to X mounts, but always verify with your specific lens and body combination.
- How durable is the build? The all-metal, hardened anodised aluminium construction suggests good durability for regular use, though heavier lenses may affect handling on smaller bodies.
Final verdict
If you prioritise compatibility with Olympus OM lenses on Fujifilm X bodies and value a sturdy, mechanical interface, this adapter offers a practical route with a clear set of trade-offs. It’s not for users chasing automation, but it is worth considering for those who want to revive older glass with a dependable, no-frills mounting solution.
Products with discounts that might interest you
- 40.5mm to 58mm Step Up Ring
- MerryNine 80mm K9 crystal ball for photography
- K&F Concept Air Fan Dust Cleaner & Lens Blower (Black) for Camera Lenses
- AMOPOFO 30.5mm to 37mm Lens to Filter Ring – CNC Aluminium Step-Up Adaptor
- K&F CONCEPT EF to EOS R Adapter with Auto Focus & Aperture Control (Removable Tripod Mount)
- BEIZMEI Camera Filters Ring 43–67mm step-up ring for UV, ND and CPL filters
- K&F CONCEPT M42 to NEX Lens Mount Adapter for M42 Screw Mount to Sony E-mount
- AMOPOFO 49mm to 77mm Step Up Ring Filter Adapter
- 52mm to 77mm Step-Up Lens Adapter Ring for Filters
- 46mm to 62mm Step Up Ring Filter Adapter by AMOPOFO
- AMOTOK 48mm to 49mm Lens Adapter: 48mm to 49mm Step-Up Ring for Filters and Accessories
- 58mm to 72mm Camera Filter Ring: CNC Aluminium Step‑Up Adaptor for 72mm Filters
- AMOTOK 67mm to 95mm Lens to Filter Step-Up Ring Adapter
- AMOPOFO 49mm Macro Reverse Mount Adapter Ring for Nikon DSLRs
- L39-M4/3 Lens Adapter: LM L39/LTM to Micro Four Thirds—Manual, Vintage Lens Compatibility
- 37mm to 49mm Step Up Ring Filter Adapter for Canon NEX, m4/3 and Nikon UV/ND/CPL
- K&F Concept M42 to Fuji X Adapter: Manual Lens Mount for Fuji X-Series Cameras
- 52mm to 62mm Step Up Ring Filter Adapter
- 77 to 55mm Camera Filters Ring - 77mm to 55mm Step Down Adapter (AMOPOFO)
- AMOTOK 62mm to 52mm Lens Adapter (Step-Down) for 62mm Lenses
- 49mm-EOS Reverse Mount Ring for Canon EOS
- 52-55mm Step Up Ring Adapter
- K&F CONCEPT PL-E Mount Lens Adapter for PL Lenses (Manual Infinity Focus, PL-to-Sony E/NEX)
- 37mm to 67mm Step Up Ring Adapter

