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Product Highlights
  • 24.24 MP CMOS Sensor
  • HDF 18.3mm GR Lens
  • 6/4 Elements/Groups
  • 3.0" LCD Touchscreen Display
  • Bluetooth & Wireless LAN Communication
Pentax Ricoh GR III HDF Pentax Ricoh GR III HDF
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Ricoh Imaging is pleased to announce the launch of the RICOH GR III HDF and RICOH GR IIIx HDF cameras. Designed using the acclaimed RICOH GR III and RICOH GR IIIx as the base models, these premium compact cameras feature a newly developed Highlight Diffusion Filter (HDF). With the exceptional image quality, flawless point-andshoot operation, and outstanding portability that the GR series is known for, these new models allow the user to instantly engage the newly developed, built-in HDF (Highlight Diffusion Filter) with a single action. This special-effect filter diffuses highlight areas and creates a blurred effect along the image’s edges, making it possible to capture somewhat nostalgic images resembling those captured in film photography or vintage movies.

Key Features:

  • Built-in HDF (Highlight Diffusion Filter) to create softer light, more expressive images
  • New default setting for Fn Button and update to Shutter-release 
  • button colour
  • Pre-Program White-balance settings as the base white 
  • balance
  • Zone Select AF

This creative versatility expands the visual boundaries of snapshot photography, giving the user the option to shoot high resolution, high contrast images for accuracy and precision; or softer, more expressive images to create a sense of depth and emotion, depending on their subject or creative intention.

These models also include a new Zone Select AF function, which automatically sets the focus at the most appropriate point within the image area after the user shifts the 3X3 focus area to the desired zone, as well as the ability to pre-program up to three white-balance settings as the base white balance. These functions will also be available for all RICOH GR III- and GR IIIx-series models using functionexpansion firmware, which is scheduled to be released along with the market launch of the new RICOH GR III HDF and RICOH GR IIIx HDF.

Built-in HDF (Highlight Diffusion Filter)
To Create Softer Light & More Expressive Images

The new models incorporate the newly developed HDF (Highlight Diffusion Filter) to emphasize highlights and produce mellow, softened images. Developed by taking advantage of RICOH’s advanced inkjet technology cultivated over the years, this special-effect filter is designed to diffuse highlight areas and create a blurred effect along the image’s edges, making it possible to capture somewhat nostalgic images resembling those captured in film photography or vintage movies. HDF can be instantly switched on and off with a single action, allowing the user to effortlessly alternate between two completely different visual expressions — clear, sharply focused images characteristic of the RICOH GR series, and softer light, more expressive images captured by the HDF — depending on the subject or creative intention. 

New Default Setting
For Fn Button and Update to Shutter-Release Button Colour

The default setting of the Fn (Function) button has been changed to the HDF ON/OFF switching function**, allowing the user to quickly engage the HDF (Highlight Diffusion Filter) with a press of the button.

Pre-Program White-Balance Settings
As the Base White Balance

The user can pre-program up to three white-balance settings as the base white balance. ** It is also possible to couple the base white balance with the White-balance Fine Adjustment function.

Zone Select AF

The new models feature Zone Select AF, *** which automatically sets the focus at the most appropriate point within the image area, after the user shifts the 3X3 focus area to the desired zone.

What's Included

Rechargeable Battery DB-110
USB Power Adapter
Power Plug
USB Cable I-USB166
Hand Strap


Product Specifications



Lens Construction RICOH GR III HDF: 6 elements in 4 groups (2 aspherical lens elements)
RICOH GR IIIx HDF: 7 elements in 5 groups (2 aspherical lens elements)
Focal Length, Aperture RICOH GR III HDF: 18.3mm (Approx. 28mm in 35mm equivalent focal length), F2.8-F16
RICOH GR IIIx HDF: 26.1mm (Approx. 40mm in 35mm equivalent focal length), F2.8-F16

Image Capture Unit

Image Sensor Type: Primary colour filter CMOS. Size: 23.5mm x 15.6mm
Effective Pixels Approx. 24.24 megapixels
Sensitivity (Standard output) ISO100~102400: Auto (ISO Auto Lower/Upper Limit and Minimum Shutter Speed can be set), Manual 
Image Stabilization Sensor-shift shake reduction (SR)(3-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
Colour Space: sRGB、AdobeRGB
Recorded Pixels: 【3:2】L(24M:6000x4000), M(15M:4800x3200), S(7M:3360x2240), XS(2M:1920x1280)【1:1】L(16M:4000x4000), M(10M:3200x3200), S(5M:2240x2240), XS(1.6M:1280x1280)
Movie File Format: MPEG4 AVC/H.264 (MOV)
Recorded Pixels: Full HD (1920x1080, 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. 2GB), SD/SDHC/SDXC Memory Card (Conforms to UHS-I standards)


Type Hybrid AF (Image plane phase-matching and Contrast detection)
Focus Mode Auto-area AF, Auto-area AF(Center), Zone Select AF, Select AF, Pinpoint AF, Tracking AF, Continuous AF, MF, Snap (0.3m, 1m, 1.5m, 2m, 2.5m, 3.5m, 5m, ∞), ∞
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) RICOH GR III HDF: Normal: Approx. 0.1m~∞, Macro Mode: Approx. 0.06m~0.12m
RICOH GR IIIx HDF: Normal: Approx. 0.2m~∞, 5 RICA_03.2024
Macro Mode: Approx. 0.12m~0.24m


Exposure Mode Program AE, Aperture Priority AE, Shutter Priority AE, Manual Exposure, Snap Distance Priority
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

White Balance Auto White Balance, Multi Auto White Balance, Daylight, Shade, Cloudy, Fl. -Daylight Colour, Fl. - Daylight White, Fl. - Cool White, Fl. - Warm White, Tungsten, CTE, Manual White Balance, Colour 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 RICOH GR III HDF: 35mm, 50mm, OFF
RICOH GR IIIx HDF: 50mm, 71mm, OFF
Image Control Standard, Vivid, Monotone, Soft Monotone, Hard Monotone, Hi-Contrast B&W,Negative Film, Positive Film, Bleach Bypass, Retro, Cross Processing, HDR Tone, Custom1, Custom2

Adjust parameters: Saturation, Hue, High/Low Key Adjustment, Contrast, Contrast (Highlight), Contrast (Shadow), Sharpness, Shading, Clarity, Toning, Filter Effect, Grain Effect, HDR Tone Level, Colour 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
(Highlight Diffusion Filter)
Display Display magnification (4x, 16x), Grid display (4x4 Grid, 3x3 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 (3x3 Grid, 4x4 Grid), Bright area warning, Auto Image Rotation, 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 Aspect Ratio, JPEG Recorded Pixels, Colour 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, Colour Moiré Correction, Movie Edit (Cut), Movie Edit (Divide)

LCD Monitor Type 3.0-inch TFT colour 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: ±2 Steps
Language English, French, Germany, Spanish, Portuguese, Italy, Dutch, Danish, Swedish, Finnish, Polish, Czech, Hungarian, Turkey, Greek, Russian, Thai, Korean, Simplified Chinese, Traditional Chinese, Japanese

Wireless LAN

Standards IEEE 802.11b/g/n (HT20) (Wireless LAN standard protocol)
Frequency (Center Frequency) 2412MHz~2462MHz (1ch~11ch)
Security Authentication: WPA2, Encryption: AES


Standards Bluetooth® v4.2 BLE (Bluetooth Low Energy)
Frequency (Center Frequency) 2402MHz~2480MHz (CH0~CH39)


USB Type-C Battery Recharge/Power Supply (Optional AC Adapter required), Data Transfer: 
6 RICA_03.2024
MTP, Video output: DisplayPort over USB-C (DisplayPort Alternative Mode) 
Hotshoe Compatible with P-TTL Auto Flash
Flash Mode: Flash On, Flash On+Red-eye, Slow-speed Sync, Slow Sync+Red-eye
Flash Exposure Compensation: -2.0 -+1.0
Lens adapter pin Available

Power Supply

Battery Type Rechargeable Battery DB-110
AC Adapter AC Adapter Kit K-AC166 (Optional)
Battery Life Number of recordable images: Approx. 200 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. 180 minutes
* The playback time is a guide based on RICOH's measurement method. The actual number differs according to usage conditions.

Physical Specs

Dimensions (WxHxD)
* Excluding protrusions
RICOH GR III HDF: Approx. 109.4 × 61.9 × 33.2mm

RICOH GR IIIx HDF: Approx.109.4 × 61.9 × 35.2mm
Approx. 257g
* Included dedicated battery and SD memory card)

Approx. 227g
* Body only

Approx. 262g
* Included dedicated battery and SD memory card

Approx. 232g
* Body only

Questions & Answers

Pentax Ricoh GR III HDF

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