FUJINON GF45-100mm F4 R LM OIS WR Lens
The Fujifilm 45-100mm f/4 R LM OIS WR is a 45–100mm f/4 lens designed for Fujifilm GFX mount cameras. Check GearFocus for current availability, with buyer protection on every purchase.
FUJINON GF45-100mm F4 R LM OIS WR Lens
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Lens Overview — Fujifilm 45-100mm f/4 R LM OIS WR
Key Features — Fujifilm 45-100mm f/4 R LM OIS WR
45-100mm GFX Zoom Range: Covers a versatile standard zoom range equivalent to roughly 36-79mm in 35mm terms, suitable for portraits, editorial, and documentary work.
Constant f/4 Aperture: Maintains a fixed maximum aperture of f/4 throughout the entire zoom range, ensuring consistent exposure and depth of field control at any focal length.
Built-In Optical Stabilization: Optical image stabilization compensates for camera shake during handheld shooting, extending usable shutter speeds across the zoom range.
Linear Motor Autofocus: LM (Linear Motor) autofocus delivers fast, quiet focus acquisition well-suited to both stills and video work.
Fujifilm GFX Mount: Designed exclusively for the Fujifilm GFX system, providing full native compatibility with GFX medium format bodies including electronic communication and metadata.
Weather-Resistant Construction: Sealed against dust and moisture at multiple points, making it suitable for outdoor shooting in challenging environmental conditions.
Lens Specifications — Fujifilm 45-100mm f/4 R LM OIS WR
| Spec | Detail |
|---|---|
| Use Cases | Studio, Travel |
| Lens Type | Zoom |
| Format | Medium Format |
| Zoom/Prime | Zoom |
| Focal Length | 45–100mm |
| Maximum Aperture | f/4 |
| Camera System | Medium Format |
| Lens Mount | Fujifilm GFX |
| Autofocus | Yes |
| Focus Type | Auto, Manual |
| Image Stabilization | Optical |
| Filter Thread | 82mm |
Description — Fujifilm 45-100mm f/4 R LM OIS WR
The FUJINON GF45-100mm F4 R LM OIS WR is a standard zoom lens purpose-built for the Fujifilm GFX medium format camera system. Spanning a focal length range of 45mm to 100mm, it delivers a versatile shooting range well suited to portraiture, editorial, and general-purpose photography. The constant f/4 maximum aperture across the full zoom range means exposure stays predictable no matter where you are in the focal length range — a practical advantage in real-world shooting situations.
Built-in optical image stabilization provides an added layer of stability during handheld use, complementing the lens's broad zoom range. The lens accommodates both autofocus and manual focus, giving photographers full control over how they acquire and refine focus. An 82mm filter thread means compatibility with a wide range of commonly available filter accessories.
Weighing 1005g, the GF45-100mm F4 is a solid, substantial lens that reflects the demands of medium format imaging.
Pros — Fujifilm 45-100mm f/4 R LM OIS WR
- ✓Constant f/4 maximum aperture across the full 45-100mm zoom range ensures consistent exposure without adjustment
- ✓Built-in optical image stabilization helps minimize camera shake during handheld shooting
- ✓Supports both autofocus and manual focus, offering flexible shooting control
Cons — Fujifilm 45-100mm f/4 R LM OIS WR
- ✗At 1005g, the lens is quite heavy and may cause fatigue during extended handheld sessions
- ✗Maximum aperture of f/4 is relatively modest for a medium format zoom, limiting low-light and shallow depth-of-field performance
- ✗Compatible only with Fujifilm GFX mount bodies, limiting use to that specific camera system
Videos — Fujifilm 45-100mm f/4 R LM OIS WR
Fujifilm GFX 100(s) + Fuji GF 45-100 | Zoom = Prime — mathphotographer