Fujifilm GF 23mm F4 R WR Lens

The Fujifilm GF 23mm F4 R WR Lens is the widest prime in the GF lineup, delivering an expansive 18mm full-frame equivalent field of view for the Fujifilm GFX medium format system. Designed for photographers who push creative and technical boundaries, this extreme ultra-wide lens excels in landscape, architectural, interior, and fine art photography — capturing sweeping scenes with breathtaking medium format resolution and edge-to-edge clarity. Weather-resistant sealing ensures it performs reliably in the most demanding outdoor environments.

Key Features

• 18mm full-frame equivalent — the widest perspective in the GF prime lens range
• F4 maximum aperture with outstanding sharpness from corner to corner
• Weather-resistant (WR) construction — sealed against dust and moisture
• Ideal for landscape, architecture, interiors, and creative wide-angle work
• Internal focusing system for fast, quiet autofocus
• Optimised optical design for the full GFX large-format sensor with minimal distortion
• Smooth aperture ring for precise manual exposure control

Technical Specifications

• Focal Length: 23mm (18mm full-frame equivalent)
• Maximum Aperture: F4
• Minimum Aperture: F22
• Lens Construction: 13 elements in 10 groups (3 aspherical elements)
• Aperture Blades: 9 (rounded)
• Minimum Focusing Distance: 0.35m
• Filter Thread: 82mm
• Dimensions: Ø95mm × 103mm
• Weight: 845g
• Compatible Systems: Fujifilm GFX (G Mount)

What's in the Box

• Fujifilm GF 23mm F4 R WR Lens
• Lens hood
• Front and rear lens caps
• Lens pouch