Ricoh announced the development of two new Ricoh GR IV camera models:
Ricoh GR IV HDF camera

- Technical specifications
- Expected to be release in late 2025 or ealry 2026
- 25.7 MP sensor
- 18mm f/2.8 (28mm equivalent)
- HDF (Highlight Diffusion Filter)
- ISO: 100 to 204800
Ricoh GR IV Monochrome camera

- Technical specifications
- Expected to be release in late 2025 or ealry 2026
- 25.7 MP sensor
- 18mm f/2.8 (28mm equivalent)
- Monochrome sensor
- ISO: 160 to 409600