Features & Specifications:
- Magnification: 1.4x focal length multiplier
- Aperture Impact: +1 stop (e.g., F4 → F5.6)
- Optics: 7 elements / 3 groups
- Compatibility: GF250mmF4, GF100-200mmF5.6 R LM OIS WR, GF500mmF5.6
- Weather Resistance: Fully WR sealed
- Dimensions: Ø82 x 26.7mm
- Weight: 400g
- Max Magnification: 1.4x original
