Built-In Highlight Diffusion Filter
The integrated HDF adds a distinctive diffused-highlight option without changing the fixed-lens compact design.
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Updated 3 months ago
A GR IIIx variant with a built-in highlight diffusion filter and 40mm equivalent lens. It is popular among everyday-carry photographers seeking a distinctive look.

The integrated HDF adds a distinctive diffused-highlight option without changing the fixed-lens compact design.
The fixed GR lens provides a 40mm-equivalent angle of view in a compact 262 g camera body.
A 24.24 MP APS-C CMOS sensor pairs with 3-axis sensor-shift shake reduction for still-image capture.
The Ricoh GR IIIx HDF is a large-sensor compact camera with a 24.24 MP APS-C CMOS sensor, fixed 40mm-equivalent GR lens, built-in highlight diffusion filter, 3-axis sensor-shift stabilization, and Full HD video recording.
The reviewer considers the camera innovative and unique for its built-in mist-style filter, noting that it is capable of producing beautiful images, though it is described as a work-in-progress review.
The camera is viewed as a subtle evolution of the series that offers a unique blend of familiarity and innovation, with the highlight diffusion filter providing welcome creative possibilities.
The reviewer emphasizes that while the camera has compromises like mediocre battery life and lack of weather sealing, it is an excellent pocketable tool for street and travel photography because it is highly portable.
The camera is characterized as a perfectly imperfect device that continues the series' tradition of exceptional image quality and portability, remaining an excellent option for those seeking a high-quality fixed-lens compact.
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| Attribute | Specification | Notes |
|---|---|---|
| Battery Life | 200 shots | shots |
| Body Type | Compact digital-still camera (large-sensor compact) | |
| Burst Shooting Speed | 4 fps | fps |
| Connectivity Options | Wi-Fi (IEEE 802.11b/g/n), Bluetooth v4.2 (BLE), USB Type-C (MTP; DisplayPort over USB-C) | |
| Display Type And Size | 3.0-inch TFT color LCD (touchscreen) | inches |
| Image Stabilization | Sensor-shift shake reduction (SR) (3-axis / IBIS) | |
| Iso Range | ISO 100–102400 | |
| Lens Type | Fixed lens (GR lens) | |
| Max Frame Rate | 60 fps | fps |
| Optical Zoom | 1 x | x |
| Sensor Resolution | 24.24 MP | MP |
| Sensor Type | CMOS (APS-C, primary color filter CMOS) | |
| Storage Support | Internal memory (approx. 2GB), SD, SDHC, SDXC (UHS-I) | |
| Video Resolution | Full HD (1920x1080) | |
| Weather Sealing | No | |
| Weight | 262 g | g |

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