In addition to the GR IV Monochrome, Ricoh also announced the development of a new GR IV HDF camera that is expected to be release in late 2025 or ealry 2026 (development announcement only):
Additional information:
Equipped with the Highlight Diffusion Filter (HDF) for soft highlights
TOKYO, October 20, 2025 — RICOH IMAGING COMPANY, LTD. is pleased to announce the development of the RICOH GR IV HDF. This new model, based on the high-end RICOH GR IV compact digital camera, is equipped with the company’s proprietary HDF (Highlight Diffusion Filter).
The RICOH GR IV HDF, which is currently in development, is based on the latest GR series model, the RICOH GR IV. In addition to the existing sharp depiction performance, we have added our proprietary HDF (Highlight Diffusion Filter) which diffuses highlights and delivers soft photographic effects with the touch of a single button as a built-in feature. The conventional sharp expressiveness of the GR series and soft effects when the new HDF is activated provide an even greater range of snapshots that match the subject and the photographer’s intentions.
It has been nearly 30 years since the RICOH GR1 film camera, the first in the GR series, was released in 1996, and exactly 20 years on October 21 since the GR DIGITAL was launched in 2005.
Over the history of this series, our commitment to the essential camera values of high image quality, quick response and portability has always remained the same. Hinging on these basic concepts, the GR series has continued to evolve to meet the needs of the times. Launching in 2024, the RICOH GR III HDF and RICOH GR IIIx HDF were the first models to include HDF. This new feature added the ability to capture emotional photos to the existing sharp expressiveness, making them popular among many users since their release. We hope you are excited about the versatile expressive possibilities that the RICOH GR IV HDF has in store.
Overview of the product under development
Note: The exterior design sample of the RICOH GR IV HDF, which is in development, will be showcased at GR SPACE TOKYO starting on Thursday, October 23.
| Lens | Lens Construction | 7 elements in 5 groups (3 aspherical lens elements) |
| Focal Length, Aperture | 18.3mm (Approx. 28mm in 35mm equivalent focal length), F2.8～F16 | |
| Image Capture Unit | Image Sensor | Type: Primary color filter CMOS. Size: 23.3mm x 15.5mm |
| Effective Pixels | Approx. 25.74 megapixels | |
| Sensitivity (Standard output) | ISO100 to ISO 204800: Auto (ISO Auto Lower/Upper Limit and Minimum Shutter Speed can be set), Manual | |
| Image Stabilization | Sensor-shift shake reduction “SR” (5-axis) | |
| AA Filter Simulator | Moiré reduction using SR unit (Off, Low, High) | |
| Dust Removal | Image sensor cleaning using ultrasonic vibrations “DR II” | |
| File Formats | Still Image | File Format: RAW (DNG) 14bit, JPEG (Exif 2.3), DCF2.0 compliant Color Space: sRGB、AdobeRGB Recorded Pixels:【3:2】L(26M:6192×4128), M(16M:4944×3296),S(8.2M:3504×2336), XS(2.5M:1920×1280), 【4:3】L(23M:5504×4128), M(15M:4400×3296), S(7.3M:3120×2336), XS(2.8M:1920×1440), 【1:1】L(17M:4128×4128), M(11M:3296×3296),S(5.5M:2336×2336), XS(1.6M:1280×1280), 【16:9】L(22M:6192×3480), M(14M:4944×2784), S(6.9M:3504×1968), XS(2.1M:1920×1080) |
| Movie | File Format: MPEG4 AVC/H.264 (MOV) Recorded Pixels: Full HD (1920×1080, 60p/30p/24p), Sound: Built-in stereo microphone Recording Time: Up to 25 minutes or 4GB; automatically stops recording if the internal temperature of the camera becomes high. |
|
| Storage Medium | Internal Memory (Approx. 53GB), microSD/microSDHC/microSDXC Memory Card (Conforms to UHS-I standards) | |
| Focus | Type | Hybrid AF (Image plane phase-matching and Contrast detection) |
| Focus Mode | Auto-area AF, Zone Select AF, Select AF, Pinpoint AF, Tracking AF, Continuous AF, MF, Snap(0.3m,1m, 1.5m, 2m, 2.5m, 3.5m, 5m,∞), ∞ | |
| Focus Limiter | Near Side, Far Side, OFF | |
| Full Press Snap | Performs shooting by focusing at the Snap distance with a single press of the Shutter Release Button or a touch of the LCD Monitor | |
| Face/Eye Detection | ON, Use only in Auto-area, OFF | |
| Focus Range (From lens face) | Normal: Approx. 0.1m～∞, Macro Mode: Approx. 0.06m～0.15m | |
| Exposure | Exposure Mode | Program AE, Aperture Priority AE, Shutter Priority AE, Snap Distance Priority AE, Manual Exposure |
| Metering Mode | Multi-segment, Center-weighted, Spot, Highlight-weighted | |
| Shutter Speed | 1/4000 sec. – 30 sec. (Limit by aperture setting F2.8: 1/2500 sec, F5.6 or greater: 1/4000 sec.) Timed Exposure (10sec. – 20min.), Bulb, Time |
|
| EV Compensation | Still Image: ±5EV, 1/3EV steps, Movie: ±2EV, 1/3EV steps | |
| White Balance | Auto White Balance, Auto WB (Warmth Pri.), Auto WB (White Pri.), Daylight, Shade, Cloudy, Fl. – Daylight Color, Fl. – Daylight White, Fl. – Cool White, Fl. – Warm White, Tungsten, CTE, Manual White Balance, Color Temperature, Custom1, Custom2, Custom3 | |
| Fine Adjustment | Adjustable ±14 steps on A-B axis or G-M axis | |
| Drive Mode | Drive | Single Frame Shooting, Continuous Shooting, Bracketing, Multi-exposure, Interval Shooting, Interval Composite |
| Self-timer | 10 sec., 2 sec., OFF | |
| Shooting Functions | Crop | OFF,35mm,50mm |
| Image Control | Standard, Vivid, Monotone, Soft Monotone, Hard Monotone, Hi-Contrast B&W, Negative Film,Positive Film, Cinema (Yellow), Cinema (Green), Bleach Bypass, Retro, Cross Processing, HDR Tone, Custom1, Custom2, Custom3 Adjust parameters: Saturation, Hue, High/Low Key Adjustment, Contrast, Contrast (Highlight), Contrast (Shadow), Sharpness, Shading, Clarity, Toning, Filter Effect, Grain Effect, HDR Tone Level, Color Tone (Adjust parameter varies depending on the selected image setting) |
|
| Dynamic Range Correction | Highlight Correction, Shadow Correction | |
| Noise Reduction | Slow Shutter Speed Noise Reduction, High-ISO Noise Reduction | |
| Horizon Correction | SR On: correction up to 1 degrees, SR Off: correction up to 1.5 degrees | |
| HDF(Hight Light Diffusion Filter) | On, Off | |
| Display | Display magnification (4x, 16x), Grid display (4×4 Grid, 3×3 Grid), Histogram, Bright area warning, Electronic Level | |
| Playback Functions | Playback View | Single frame, Multi-image (20, 48 frames), Display magnification (up to 16x, 100% view and Quick Zoom view available), Histogram (Y histogram, RGB histogram), Grid display (3×3 Grid, 4×4 Grid), Bright area warning, Auto Image Rotation, Folder display, Calendar Filmstrip Display |
| Base Parameter Adjustment | Normal editing, Monotone editing Parameter: Brightness, Saturation, Filter Effect, Hue, Toning, Contrast, Sharpness (Adjust parameter varies depending on the selected editing setting) |
|
| RAW Development | RAW file select: Select Single Image, Select Multiple Images, Select a folder, Select a shooting date RAW Development Parameter: Aspect Ratio, JPEG Recorded Pixels, Color Space, White Balance, Image Control, Peripheral Illumination Correction, Sensitivity, High-ISO Noise Reduction, Shadow Correction |
|
| Edit | Delete, Protect, Image Rotation, Image Copy, File Transfer, Resize, Cropping (Aspect ratio and Slant adjustment available), Levels Adjustment, White Balance Adjustment, Color Moiré Correction, Movie Edit (Cut), Movie Edit (Divide), Save Movie Frame as Image | |
| LCD Monitor | Type | 3.0 inch TFT color LCD (aspect ratio 3:2)、Approx. 1037K dots, Wide viewing angle, Air-gapless tempered glass |
| Touch Screen | Capacitive sensing method | |
| Adjustments | Brightness, Saturation, Blue/Amber, Green/Magenta, Outdoor View Setting: Auto, Manual(±2 Steps) | |
| Wireless LAN | Standards | 2.4GHz : IEEE802.11 b/g/n/ax 5.2GHz : IEEE802.11 a/n/ac/ax (Not supported in some regions) 5.8GHz : IEEE802.11 a/n/ac/ax (Not supported in some regions) |
| Operating frequency band range | 2.4GHz : 2400MHz to 2483.5MHz 5.2GHz : 5150MHz to 5250MHz (Not supported in some regions) 5.8GHz : 5725MHz to 5850MHz (Not supported in some regions) |
|
| Communication bandwidth | 2.4GHz : 20MHz 5.2GHz : 20/40/80MHz 5.8GHz : 20/40/80MHz |
|
| Security | Authentication: WPA2™, WPA3™ / Encryption: AES | |
| Interfaces | USB Type-C | Battery Recharge/Power Supply (Optional AC Adapter required), Data Transfer: MTP, Video output: DisplayPort over USB-C (DisplayPort Alternative Mode) |
| Hotshoe | Compatible with dedicated flash Flash Mode: Flash On, Flash On+Red-eye, Slow-speed Sync, Slow Sync+Red-eye Flash Output: AUTO, 1/1, 1/4 |
|
| Lens adapter pin | Available | |
| Power Supply | Battery Type | Rechargeable Li-ion Battery DB-120 |
| AC Adapter | AC adapter compatible with USB Power Delivery, AC adapter (D-AC166; optional) • The camera is compatible with USB Power Delivery, but is not certified with the USB Implementers Forum logo. |
|
| Battery Life | Number of recordable images: Approx. 250 images, * With a fully-charged Rechargeable Lithium-ion Battery under the temperature at 23°C. Tested in compliance with CIPA standard. Actual results may vary depending on the shooting condition. Playback time: Approx. 240 minutes * The playback time is a guide based on RICOH’s measurement method . The actual number differs according to usage conditions. |
|
| Dimensions and Weight | Dimensions | Approx.. 109.4(W)×61.1(H)×32.7(D)mm (excluding protrusions) Lens part：31.3(D)mm Body part：24.5(D)mm |
| Weight | Approx. 262g (Included dedicated battery and SD memory card), Approx. 228g (Body only) | |
| Included Accessories | Rechargeable Li-ion Battery DB-120, USB Cable I-USB198, Handstrap O-ST198 |
Note: The designs and specifications are identical to those first announced publicly about the camera’s development, and are subject to change without notice.
