


Below is a list of frequently asked questions and corresponding answers for the GR Ⅳ digital camera.
 What to do first?
What to do first?
 What accessories are provided with this camera?
What accessories are provided with this camera?
 What are the optional accessories for this camera?
What are the optional accessories for this camera?
 What else to do need besides the included items when purchasing?
What else to do need besides the included items when purchasing?
 What material is used for the body’s exterior parts?
What material is used for the body’s exterior parts?
 Does the camera have a built-in optical viewfinder?
Does the camera have a built-in optical viewfinder?
 Does the camera have a zoom function?
Does the camera have a zoom function?
 What is the crop function?
What is the crop function?


| Crop Setting Off (28mm) | Follows selected JPEG size | 
| 35mm | [L] setting: recorded in [M]. [M], [S], [XS] settings: recorded according to the selected JPEG recording size. | 
| 35mm | [L] or [M] settings: recorded in [S]. [S] or [XS] settings: recorded according to the selected JPEG recording size. | 


 
 What is the angle of view when using the crop function, and what is it when the Wide Conversion Lens is attached to the GR IV?
What is the angle of view when using the crop function, and what is it when the Wide Conversion Lens is attached to the GR IV?
 Does the camera have image stabilization?
Does the camera have image stabilization?







 What image and video recording formats are supported?
What image and video recording formats are supported?
| File Formats | JPEG: Compliant with Exif 2.3 and DCF 2.0 standards RAW: Records RAW images in DNG format (14-bit) RAW + JPEG: Records RAW and JPEG images simultaneously | 
| Aspect Ratios | 3:2, 4:3, 1:1, 16:9 | 
| Crop Settings | Off, 35mm, 50mm | 
| JPEG Recording Sizes | L, M, S, XS | 
| Color Spaces | sRGB, AdobeRGB | 
| Aspect Ratio | Size | Resolution (pixels) | Approx. Megapixels | 
| 3:2 | L | 6192 × 4128 | 26M | 
| M | 4944 × 3296 | 16M | |
| S | 3504 × 2336 | 8.2M | |
| XS | 1920 × 1280 | 2.5M | |
| 4:3 | L | 5504 × 4128 | 23M | 
| M | 4400 × 3296 | 15M | |
| S | 3120 × 2336 | 7.3M | |
| XS | 1920 × 1440 | 2.8M | |
| 1:1 | L | 4128 × 4128 | 17M | 
| M | 3296 × 3296 | 11M | |
| S | 2336 × 2336 | 5.5M | |
| XS | 1280 × 1280 | 1.6M | |
| 16:9 | L | 6192 × 3480 | 22M | 
| M | 4944 × 2784 | 14M | |
| S | 3504 × 1968 | 6.9M | |
| XS | 1920 × 1080 | 2.1M | 
| File Format | MPEG-4 AVC / H.264 (MOV) | 
| Recording Size | Full HD: 1920 × 1080Frame rates: 60p, 30p, 24p | 
| Audio Recording | Built-in stereo microphone | 
| Recording Time | Up to 4GB or approximately 25 minutes. Automatically shuts down when internal temperature rises. | 
 What is the operating temperature range?
What is the operating temperature range?
 What is the maximum magnification for macro shooting?
What is the maximum magnification for macro shooting?
| Shooting Distance (from lens front) | Magnification | |
| GR IV only | 10 cm – ∞ 6 cm – 15 cm | 0.21 0.35 | 
| GR IV + Wide Conversion Lens (GW-4) +Lens Adapter (GA-3) | 3.4 cm 1.5 cm | 0.28 0.48 | 
*Upper row: Normal shooting mode, Lower row: Macro mode.
 What type of battery can be used?
What type of battery can be used?
 What is the approximate shooting time (number of shots) when using batteries?
What is the approximate shooting time (number of shots) when using batteries? 
| Still Image Shooting | 250 shots | 
| Playback Time | 240 minutes | 
 How can the rechargeable DB-120 battery be charged?
How can the rechargeable DB-120 battery be charged?
 Does the camera support an AC adapter?
Does the camera support an AC adapter? 
 How long will the camera keep the date and time settings when the battery is removed?
How long will the camera keep the date and time settings when the battery is removed?
 What type of memory card can be used?
What type of memory card can be used?
 Is there anything that should be done before using a microSD memory card?
Is there anything that should be done before using a microSD memory card?
 Does the camera support the UHS speed class?
Does the camera support the UHS speed class?
 What is the Image Control function?
What is the Image Control function?


| Preset | Description | 
| Standard | Captures images with normal image quality. | 
| Vivid | Produces bright and vivid images with strong contrast. | 
| Monotone | Captures images in black and white. | 
| Soft Monotone | Creates black and white images with a soft impression. | 
| Hard Monotone | Creates black and white images with a strong, hard impression. | 
| Hi-Contrast | Captures black and white images with emphasized contrast, producing | 
| Monochrome | a grainy effect similar to high-speed film or push processing. | 
| Negative Film | Produces images resembling those taken on negative film. | 
| Positive Film | Produces high-saturation images resembling positive film. | 
| Preset | Description | 
| Cinema (Yellow) | Produces cinema-style images with a yellowish tone. | 
| Cinema (Green) | Produces cinema-style images with greenish shadows. | 
| Cross Process | Changes color and contrast to create an effect similar to cross-processed film. | 
| Bleach Bypass | Produces images with reduced saturation and higher contrast. | 
| Retro | Creates images with a vintage photo appearance. | 
| HDR | Enhances fine contrast to create a painterly effect. | 
| Custom 1 / 2 / 3 | Allows registration of three user-defined settings with adjusted parameters. | 
 What functions can be accessed using the Direct Key?
What functions can be accessed using the Direct Key?

 How do I adjust the exposure compensation?
How do I adjust the exposure compensation?

 Please explain continuous shooting in Drive Mode.
Please explain continuous shooting in Drive Mode.


 
 Please explain macro shooting.
Please explain macro shooting.
 Please explain the Dynamic Range Correction function.
Please explain the Dynamic Range Correction function.






 How does the Preview function work?
How does the Preview function work?
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 Please explain the Bulb / Time / Bulb Timer shooting functions.
Please explain the Bulb / Time / Bulb Timer shooting functions.
| Shutter Speed | Operation | 
| B (Bulb) | Exposure continues while the shutter button is held down and ends when it is released. | 
| T (Time) | Pressing the shutter button starts the exposure, and pressing it again ends the exposure. | 
| BT (Bulb Timer) | Pressing the shutter button starts the exposure, which ends automatically after the set time. The exposure time can be set from 10 seconds to 20 minutes using the Exposure Compensation button. | 
 What is the Interval Shooting function?
What is the Interval Shooting function?




| Setting | Description | 
| Shooting Interval | Set the interval between shots from the minimum possible value up to 60 minutes. | 
| Number of Shots | Specify how many shots to take, from 2 to 99, or select ∞ for unlimited shots. | 
| Start Trigger | Choose whether to take the first shot immediately or at a specified time. | 
| Shooting Start Time | Set the start time when Start Trigger is set to Specified Time. | 
 What is the Interval Composite function?
What is the Interval Composite function?


 ] and press the Fn button.
] and press the Fn button.

| Item | Description | 
| Shooting Time | Specify the shooting duration. You can set it to ∞ (Unlimited) or between 10 minutes and 24 hours. | 
| Start Trigger | Choose whether to start shooting immediately or at a specified time. | 
| Shooting Start Time | Set the start time when Start Trigger is set to Specified Time. | 
| Save Intermediate Images | Choose whether to save each image before compositing or intermediate composite images. Saved files are in JPEG format. | 
 What is Long Exposure Noise Reduction?
What is Long Exposure Noise Reduction?



| Setting | Description | 
| Auto | Performs noise reduction based on shutter speed, ISO sensitivity, and the camera’s internal temperature. | 
| On | Performs noise reduction when the shutter speed is 1 second or longer. | 
| Off | Does not perform noise reduction. | 
 What is High ISO Noise Reduction?
What is High ISO Noise Reduction?



| Auto | Performs noise reduction automatically according to ISO sensitivity. | 
| Low / Medium / High | Applies noise reduction at Low, Medium, or High strength. | 
| Custom | Allows you to set the noise reduction strength individually for each ISO sensitivity. | 
| Off | Does not perform noise reduction. | 




 What is the ND filter?
What is the ND filter?
| Auto | The camera automatically turns the ND filter on or off depending on the situation. The ND filter is used when the icon is displayed on the shooting screen during a half-press of the shutter. This mode cannot be selected in  mode. | 
| On | The ND filter is always used. The icon is displayed on the shooting screen. | 
| Off | The ND filter is not used. | 

 
 What is the Focus Assist function?
What is the Focus Assist function?


 How can the focus frame be returned to the center after moving it?
How can the focus frame be returned to the center after moving it?
 Is multiple exposure photography possible?
Is multiple exposure photography possible?








 What is the video recording function?
What is the video recording function?
| File Format | MPEG4 AVC / H.264 (MOV) | 
| Recording Size | Full HD (1920 × 1080 / 60p / 30p / 24p) | 
| Audio Recording | Built-in stereo microphone | 
| Recording Time | Up to 4 GB or approximately 25 minutes; automatically stops if internal temperature rises | 
| Focus | AF, MF, Snap, ∞ | 
| Macro Mode | On, Off | 
| Focus Limiter | Near side, Far side, Off | 
| Snap Shooting Distance | 0.3 m, 1 m, 1.5 m, 2 m, 2.5 m, 3.5 m, 5 m, ∞ | 
| Focus Assist | On, Off | 
| Auto Magnification in MF | On, Off | 
| Metering Mode | Multi, Center-Weighted, Spot, Highlight-Weighted | 
| ND Filter | On, Off | 
| Still/Video Switch | Still, Video | 
| Still / Video | Still, Video | 
| Recording Memory Setting | Internal Memory Priority, Memory Card Priority | 
| Frame Rate | 60p, 30p, 24p | 
| Audio Recording | On, Off | 
| White Balance | Auto WB, Auto WB (Warm Priority), Auto WB (White Priority), Daylight, Shade, Cloudy, Daylight Fluorescent, Neutral White Fluorescent, White Fluorescent, Incandescent Fluorescent, Incandescent, CTE, Manual WB, Color Temperature, Custom 1, Custom 2, Custom 3 | 
| Image Control | Standard, Vivid, Monotone, Hard Monotone, High-Contrast B/W, Negative Film, Positive Film, Cinema (Yellow), Cinema (Green), Cross Process, Bleach Bypass, Retro, Custom 1, Custom 2, Custom 3 | 
| Peripheral Illumination Correction | On, Off | 
| Dynamic Range Correction | Highlight Correction: Auto, OffShadow Correction: Auto, Low, Medium, High, Off | 
| Movie SR | On / Off | 
 Is flash photography available?
Is flash photography available?
 What flash modes are available?
What flash modes are available?
| Fill Flash | The flash fires continuously. | 
| Red-Eye Reduction Fill Flash | Fires the flash while reducing red-eye. | 
| Slow Sync | When the background is dark, such as in portrait photography, the shutter speed is slowed to brighten the background that the flash does not reach. Using a tripod is recommended as camera shake may occur. | 
| Red-Eye Reduction Slow Sync | Fires the flash using slow sync while reducing red-eye. | 


 
 Can the light intensity of the external flash GF-2 be adjusted from the camera?
Can the light intensity of the external flash GF-2 be adjusted from the camera?
 Is manual flash available with the optional external flash GF-2?
Is manual flash available with the optional external flash GF-2?


 
 What is the guide number and flash sync speed when using the optional external flash GF-2?
What is the guide number and flash sync speed when using the optional external flash GF-2?
 What are the features of the optional external flash GF-2?
What are the features of the optional external flash GF-2?
 Can the optional external flash GF-2 be used in HS mode (High-Speed Sync mode)?
Can the optional external flash GF-2 be used in HS mode (High-Speed Sync mode)?
 Is the optional external flash GF-1 supported?
Is the optional external flash GF-1 supported?
 Are Macro Strobes (Auto Macro Flash) AF160FC or AF140C supported?
Are Macro Strobes (Auto Macro Flash) AF160FC or AF140C supported?
 Are Auto Flashes AF180FG or AF201FG supported?
Are Auto Flashes AF180FG or AF201FG supported?
 Are Auto Flashes AF540FGZ II and AF360FGZ II supported? Can they be used for wireless shooting?
Are Auto Flashes AF540FGZ II and AF360FGZ II supported? Can they be used for wireless shooting?
 What are the program lines?
What are the program lines?
| Normal | The camera automatically selects the shutter speed and aperture that achieve standard exposure. | 
| Depth Priority (Shallow) | Within the combination of exposure values that achieve standard exposure, the camera automatically selects the aperture to be as wide as possible (F2.8). | 
| Depth Priority (Deep) | For no crop and 35mm crop, the camera prioritizes F8 when selecting exposure values. For 50mm crop, F11 is prioritized. This allows for a deep depth of field, enabling pan-focus style shooting. | 
 What are the specifications of the playback functions?
What are the specifications of the playback functions?
| Playback Methods | Single image, multi-screen display (20 or 48 images), zoom display (up to 16×, 1:1 display, quick zoom), histogram display (Y histogram, RGB histogram), grid display (9×9, 16×16), highlight warning, auto image rotation, folder display, display by shooting date | 
| JPEG Quality Adjustment | Standard editing, monochrome editingAdjustable items: Brightness, Saturation, Filter Effects, Hue, Color Tone, Contrast, Sharpness (adjustable items vary depending on selection) | 
| RAW Development | RAW image selection: single image / multiple images / folder / shooting dateRAW development parameters: JPEG recording size, aspect ratio, color space, white balance, image control, peripheral illumination correction, exposure compensation, high ISO noise reduction, shadow correction | 
| Editing Functions | Delete, Protect, Rotate, Copy, Transfer, Resize, Crop (aspect ratio change, tilt correction), Level correction, White balance correction, Color moiré correction, Video trimming, Video splitting, Save video frame as JPEG | 
 What settings are available in the playback settings menu?
What settings are available in the playback settings menu?
| Playback Memory Selection | Choose between the internal memory (approx. 53 GB) or a memory card. | 
| Auto Image Rotation | Can be set to On or Off. | 
| Playback Order | Choose either File Number or Shooting Date. | 
| Playback Volume | Select from 21 levels, 0 to 20. | 
| Delete | Delete a single image, multiple images, or all images. | 
| Protect | Protect a single image, multiple images, or all images. | 
| Rotate | Rotate Right 90°, 180°, or Left 90°. | 
| Copy | Copy all images stored in internal memory to an SD memory card. | 
| Transfer | Transfer a single image or multiple images. | 
| RAW Development | Configure JPEG recording size, aspect ratio, color space, white balance, image control, peripheral illumination correction, exposure compensation, high ISO noise reduction, and shadow correction, then save as a new JPEG image. | 
| Resize | Reduce the size of a JPEG image. | 
| Crop | Cut out a portion of a JPEG image and save it. | 
| Level Correction | Adjust highlights, midtones, and shadows in a JPEG image to correct brightness and contrast. | 
| White Balance Correction | Correct the white balance of a JPEG image. | 
| Color Moiré Correction | Correct color moiré artifacts in an image. | 
| JPEG Quality Adjustment | Adjust brightness, saturation, hue, contrast, and sharpness of a JPEG image. | 
| Video Editing | Trim Video: Specify start and end points and save the selected range as a new video. Split Video: Specify a split point and save the two resulting videos as new files. | 
 What is the RAW development function?
What is the RAW development function?


 What are the specifications of the image monitor?
What are the specifications of the image monitor?
| Type | 3.0-inch TFT color LCD (aspect ratio 3:2), approx. 1.037 million dots, wide viewing angle, air-gapless tempered glass | 
| Touch Panel | Capacitive type | 
| Adjustments | Brightness, Saturation, Blue/Amber, Green/MagentaOutdoor Monitor: Auto, Manual (±2 steps) | 
 What operations can be performed using the touch panel?
What operations can be performed using the touch panel?


| Focus Point Move | Moves the focus point to the location you touch. | 
| Focus Point Move + AF | Moves the focus point to the location you touch and performs autofocus. | 
| Focus Point Move + AF + Shoot | Moves the focus point to the location you touch, performs autofocus, and takes a photo. | 
| Full-Press Snap | Focuses at a preset snap shooting distance and releases the shutter. | 
| Off | Touch AF is disabled. | 

 
 Which operating systems have been confirmed to work when connecting the camera to a computer via USB?
Which operating systems have been confirmed to work when connecting the camera to a computer via USB?
| Windows® | Windows® 11 / Windows®8.1 10 | 
| Mac | macOS 14 Sonoma / macOS 13 Ventura / macOS 12 Monterey / macOS 11 Big Sur | 
 How to transfer images to a computer via USB cable?
How to transfer images to a computer via USB cable?

 Can the camera be used as a PC camera (webcam) when connected to a computer via USB?
Can the camera be used as a PC camera (webcam) when connected to a computer via USB?
 Is any application software included for PC use?
 Is any application software included for PC use?
 Can images be displayed by connecting the camera to AV equipment?
Can images be displayed by connecting the camera to AV equipment?
 Is the camera compatible with PRINT Image Matching III?
Is the camera compatible with PRINT Image Matching III?
 Is the camera compatible with PictBridge?
Is the camera compatible with PictBridge?
 Can I operate the camera or transfer images from the camera using a communication terminal? How long does the connection take?
Can I operate the camera or transfer images from the camera using a communication terminal? How long does the connection take?


 
 What operations can be performed on a communication terminal using the GR WORLD app?
What operations can be performed on a communication terminal using the GR WORLD app?
| Remote Shooting | When connected via Bluetooth®, the camera can be remotely triggered. In addition to immediate release, the self-timer can be set for 2 s or 10 s. | 
| Image Viewing | Images stored on the camera can be displayed on the communication terminal and transferred. The Gallery function allows viewing of transferred images. | 
| Date/Time Sync | Synchronizes the camera’s date and time with the communication terminal’s settings. | 
| Camera Power Control | The camera’s power can be turned on or off remotely via the app. | 
 What settings are available for the smartphone linkage function?
What settings are available for the smartphone linkage function?
| Location Information Recording | Records the location information from the communication terminal in the images. | 
| Automatic Image Transfer | Captured images are automatically scheduled for transfer. | 
| Image Transfer When Powered Off | Determines whether to continue or stop the transfer if the camera is powered off during image transfer. | 
| Auto Resize Transfer | When transferring images scheduled on the camera, they are automatically resized to XS size for transfer. | 
 How can images be transferred using the camera’s built-in functions?
How can images be transferred using the camera’s built-in functions?







 Can I take pictures using a cable release?
Can I take pictures using a cable release?
 Can I attach a (third-party) filter?
Can I attach a (third-party) filter?
 What is the wide conversion lens (GW-4)?
What is the wide conversion lens (GW-4)?
 Can I use the Tele Conversion Lens (GT-2)?
Can I use the Tele Conversion Lens (GT-2)?
 Is the included warranty valid overseas?
Is the included warranty valid overseas?
 I purchased the camera in Japan. Are there any precautions when using it overseas?
I purchased the camera in Japan. Are there any precautions when using it overseas?

 I am using the included USB cable, but I can no longer charge the camera via my PC.
I am using the included USB cable, but I can no longer charge the camera via my PC.