MCEX-18G WR Macro Extension Tube
The Fujifilm MCEX-18G WR is a lens from Fujifilm. Check GearFocus for current availability, with buyer protection on every purchase.
MCEX-18G WR Macro Extension Tube
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Fujifilm XF 60mm f2.4 R Fujinon Macro ASPH Super EBC Lens X-Mount
Lens Overview — Fujifilm MCEX-18G WR
Key Features — Fujifilm MCEX-18G WR
Fujifilm GFX Mount: Designed exclusively for the GFX medium format system, ensuring native electronic compatibility with G-mount lenses.
Autofocus Support: Maintains full autofocus functionality through electronic contacts, a notable advantage over most extension tubes that limit you to manual focus only.
18mm Extension: Adds 18mm of distance between lens and sensor, reducing the minimum focusing distance of compatible G-mount lenses for close-up shooting.
Weather-Resistant Construction: WR-rated sealing helps protect against dust and moisture, consistent with the weather-resistant design of the GFX system.
65g Lightweight Build: At just 65 grams, it adds negligible weight to a medium format kit while expanding close-focusing capability.
No Optical Elements: Contains no glass, so it introduces no additional aberrations — though extension does reduce effective aperture by requiring exposure compensation.
Lens Specifications — Fujifilm MCEX-18G WR
| Spec | Detail |
|---|---|
| Use Cases | Macro |
| Lens Type | Macro |
| Format | Medium Format |
| Camera System | Medium Format |
| Lens Mount | Fujifilm GFX |
| Autofocus | Yes |
| Focus Type | Auto Focus, Manual Focus |
| Image Stabilization | None |
| Weight | 65g |
Description — Fujifilm MCEX-18G WR
The Fujifilm MCEX-18G WR is a macro extension tube built for the Fujifilm GFX medium format camera system, compatible with the Fujifilm GFX lens mount. It provides 18mm of extension, positioning it between the camera body and a compatible G-mount lens to enable closer focusing distances for detailed close-up photography. Despite being an extension tube accessory, it supports autofocus, which sets it apart from many extension solutions that strip away electronic communication.
Weighing only 65 grams, it adds virtually no meaningful weight to a medium format setup, making it easy to carry as a supplementary tool for macro situations. The tube is categorized as a Macro type accessory with a Manual focus type designation, though the electronic connection keeps autofocus operational. There is no image stabilization built in, so steady shooting technique or a tripod is advisable when working at close distances.
This is a dedicated tool for Fujifilm GFX shooters looking to unlock close-up capability from their existing lens lineup.
Pros — Fujifilm MCEX-18G WR
- ✓Autofocus support (autoFocus: true) — uncommon for extension tubes and a meaningful workflow advantage
- ✓Extremely lightweight at just 65g, adding minimal bulk to a medium format setup
- ✓Designed specifically for the Fujifilm GFX mount, ensuring native compatibility with GFX system lenses
Cons — Fujifilm MCEX-18G WR
- ✗No image stabilization (imageStabilization: None), which can be limiting at close focusing distances where camera shake is amplified
- ✗Single fixed extension length of 18mm — no adjustable or variable extension option
- ✗No filter thread (filterThreadSize: null), so no direct filter attachment is possible on the tube itself
Videos — Fujifilm MCEX-18G WR
MCEX Extension Tubes - Spill the Beans - Fuji Guys — Fuji Guys Channel