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GXR FAQs - By Product

[Question] What is the difference between GXR A12 28mm, A12 50mm, and GR DIGITAL III ?

With the GXR, the specifications vary depending on the lens attached to it.
The following is the comparison chart between [GXR with GR LENS A12 28mm F2.5], [GXR with GR LENS A12 50mm F2.5 MACRO], and GR DIGITAL III.

In this chart,
[GR LENS A12 28mm] means
[GXR with GR LENS A12 28mm F2.5].
Lens name details

[GR LENS A12 50mm] means [GXR with GR LENS A12 50mm F2.5 MACRO].
Lens name details

[Image sensor / Lens]

Items GR LENS A12 28mm GR LENS A12 50mm GR DIGITAL III
Effective pixels (Total pixels) (approx.) 12.30 million pixels (12.90 million pixels) 12.30 million pixels (12.90 million pixels) 10.00 million pixels (10.40 million pixels)
Image sensor CMOS
23.6 x 15.7 mm
CMOS
23.6 x 15.7 mm
1/1.7" primary-color CCD
Focal length (35 mm filmcameras equivalent) f = 18.3 mm
(28 mm)
f = 33 mm
(50 mm)
f = 6.0 mm
(28 mm)
F-Aperture F: 2.5 - 22 *a1 F: 2.5 - 22 *a1 F: 1.9 - 9 *a2
Imaging engine GR ENGINE III GR ENGINE III GR ENGINE III
Shooting distance (From the front of the lens) Approx. 0.2 m - infinity Approx. 0.3 m - infinity Approx. 0.3 m - infinity
Macro range (From the front of the lens) -- Approx. 0.07 m - infinity Approx. 0.01 m - infinity
Lens construction 9 elements in 6 groups (2 aspherical lens elements with 2 surfaces) 9 elements in 8 groups (1 aspherical lens element with 2 surfaces) 9 elements in 8 groups (2 aspherical lens elements with 2 surfaces)
Optical zoom N/A
(fixed focal)
N/A
(fixed focal)
N/A
(fixed focal)
Digital zoom 4.0 x 4.0 x 4.0 x
Auto Resize zoom *a3 5.9 x (VGA) 5.9 x (VGA) 5.7 x (VGA)
  • *a1)F22 displays in the Auto shooting mode : Being used by a combination of aperture and ND filter.
  • *a2)F8.0 - F11 displays in the Auto shooting mode : Being used by a combination of aperture and ND filter.
  • *a3)Auto resize zoom works with the maximum image size only.
A12 50mm FAQ - [What is the Auto resize zoom?]

[Photograph features of camera]

Items GR LENS A12 28mm GR LENS A12 50mm GR DIGITAL III
Exposure metering Multi, Center-weighted, Spot Multi, Center-weighted, Spot Multi, Center-weighted, Spot
Exposure compensation +4.0 ~ -4.0
step : 1/3EV, 1/2EV
+4.0 ~ -4.0
step : 1/3EV, 1/2EV
+2.0 ~ -2.0
step : 1/3EV
Exposure control mode Program AE, Aperture priority AE, Shutter priority AE, Manual exposure, Target shift Program AE, Aperture priority AE, Shutter priority AE, Manual exposure Program AE, Aperture priority AE, Shutter priority AE, Manual exposure
ISO sensitivity (Standard Output Sensitivity) AUTO / AUTO-HI *b1/ ISO 200 / 400 / 800 / 1600 / 3200 AUTO / AUTO-HI *b1/ ISO 200 / 400 / 800 / 1600 / 3200 AUTO / AUTO-HI *b1/ ISO 64 / 100 / 200 / 400 / 800 / 1600
Focus mode Multi AF, Spot AF, MF (manual), Snap, ∞ (Infinity) Multi AF, Spot AF, MF (manual), Snap, ∞ (Infinity) Multi AF, Spot AF, MF (manual), Snap, ∞ (Infinity)
Full Press Snap *b2 Off, On, Auto-Hi ISO Off, On, Auto-Hi ISO Off, On, Auto-Hi ISO
Snap Focus Distance options 1m, 1.5m, 2m, 2.5m, 3m, 3.5m, 5m, ∞ (infinity) 1m, 1.5m, 2m, 2.5m, 3m, 3.5m, 5m, ∞ (infinity) 1m, 2.5m, 5m, ∞ (infinity)
Pre-AF *b3 Available Available Available
A mode (Aperture priority mode) Available Available Available
Auto aperture shift Available Available Available
S mode (Shutter priority mode) Available Available Available
Available shutter speed in S mode 1/3200 sec. ~ 15 sec. 1/3200 sec. ~ 15 sec. 1/2000 sec. ~ 8 sec.
Shutter speed auto shift Available Available F/W(1) Available F/W(1)
M mode (Manual exposure mode) Available Available Available
Available shutter speed in M mode 1/3200 sec. ~ 180 sec. *b4 1/3200 sec. ~ 180 sec. *b4 1/2000 sec. ~ 180 sec. *b4
Target shift AE, AF, AE/AF AE, AF, AE/AF AE, AF, AE/AF
SCENE modes -Movie
-Portrait
-Sports
-Landscape
-Nightscape
-Skew Correct Mode
-Movie
-Portrait
-Sports
-Landscape
-Nightscape
-Skew Correct Mode
-Movie
-Text Mode
-Skew Correct Mode
-Dynamic Range
Dynamic range double shot N/A N/A Available
Noise reduction OFF / Auto / Weak / Strong / MAX OFF / Weak / Strong / MAX F/W(2) OFF / Weak / Strong
Noise reduction ISO Over ISO 201 / Over ISO 401 / Over ISO 801 / Over ISO 1601 / ISO 3200 Over ISO 201 / Over ISO 401 / Over ISO 801 / Over ISO 1601 / ISO 3200 Over ISO 201 / Over ISO 401 / Over ISO 801 / ISO 1600
White balance AUTO, Multi-P AUTO *b5, Outdoors, Cloudy, Incandescent Lamp1, Incandescent Lamp2, Fluorescent Lamp, Manual Settings, Detail AUTO, Multi-P AUTO *b5, Outdoors, Cloudy, Fluorescent Lamp, Manual Settings, Detail,
Incandescent Lamp1, Incandescent Lamp2 F/W(3)
AUTO, Multi-P AUTO *b5, Outdoors, Cloudy, Fluorescent Lamp, Manual Settings, Detail,
Incandescent Lamp1, Incandescent Lamp2 F/W(3)
Bracketing Auto bracket, White balance bracket, Color bracket Auto bracket, White balance bracket, Color bracket Auto bracket, White balance bracket, Color bracket
Image settings Vivid, Standard, Natural, B&W, B&W (TE), Setting 1 / Setting 2 Vivid, Standard, Natural, B&W, B&W (TE), Setting 1 / Setting 2 Vivid, Standard, B&W, B&W (TE), Setting 1 / Setting 2
Level settings Available Available Available
Antiblur function (Image stabilizer) N/A N/A N/A
Continuous mode / Multi shooting Continuous *b6, M-Cont Plus Continuous *b6, M-Cont Plus Continuous *b6, S-Cont, M-Cont
Multi shooting *b6 in RAW mode Max. 4 pictures *b7 Max. 4 pictures *7 Max. 5 pictures *b7
Movie mode Available Available Available
Movie size 1280 x 720, 640 x 480,
320 x 240 (24 fps)
1280 x 720, 640 x 480,
320 x 240 (24 fps)
640 x 480,
320 x 240 (30/15 fps)
Built-in flash range (ISO AUTO) Approx. 0.2 ~ 3.0 m Approx. 0.2 ~ 3.0 m Approx. 0.2 ~ 3.0 m
Flash exposure compensation +2.0EV ~ -2.0EV (1/3 EV, or 1/2 EV step) +2.0EV ~ -2.0EV (1/3 EV, or 1/2 EV step) +2.0EV ~ -2.0EV (1/3 EV step)
Flash Synchro settings *b8 Available (1st Curtain, 2nd Curtain) Available (1st Curtain, 2nd Curtain) Available (1st Curtain, 2nd Curtain)
Manual Flash settings *b9 Available Available Available
Manual Flash amount *b9 Full, 1/1.4 ~ 1/64 Full, 1/1.4 ~ 1/64 Full, 1/1.4 ~ 1/64
Shutter speed *b10 1/3200 sec. ~ 180 sec. 1/3200 sec. ~ 180 sec. 1/2000 sec. ~ 180 sec.
  • *b1)This is the option to set the upper limit of the ISO sensitivity. Comparing with the AUTO, the shutter speed will become faster in a dark scene, which will reduce camera shake or blurring of the subject.
    With the GXR, AUTO-HI is selectable from; ISO 200, ISO 400, ISO 800, ISO 1600, or ISO 3200.
    With the GR DIGITAL III, AUTO-HI is selectable from; ISO 200, ISO 400, ISO 800, or ISO 1600.
  • *b2)If you press the shutter release half way, the AF feature will work, but if you fully press the shutter release button at once, the camera will take a picture with a configured distance without AF work. For the details on the [Full Press Snap], see the following FAQ.
  • [GRDIII FAQ: Let me know about the Full Press Snap.]
  • *b3) The camera will do preliminaries on focus, corresponding with changes on the subject, even if you will not yet press the shutter release half way. For the details on the [Pre-AF], see the following FAQ.
  • [GRDIII FAQ: Let me know about the Pre-AF.]
  • *b4)The upper limit will vary depending on the aperture.
  • *b5) For scenes with both sunlight and shadow, the camera automatically selects the optimal white balance to fit the light source of each segregated area of the image. For the details on the [Multi-pattern Auto white balance], see the following FAQ.
  • [A12 50mm FAQ: What is the [Multi-P AUTO] (multi-pattern auto white balance)?]
  • *b6) Normal continuous (While pressing the shutter release button, the camera takes multiple pictures continuously).
  • *b7)With Noise reduction setting OFF.
  • *b8)This is the option to choose the flash synchro timing from either [1st Curtain] or [2nd Curtain]. For the details on the [Flash Synchro Settings], see the following FAQ.
  • [A12 50mm FAQ : Details on the setting for flash timing (Flash Synchro Settings).]
  • *b9)When you choose the [Manual Flash] in the Flash mode, you can control the flash manually. For the details on the [Manual Flash Amount], see the following FAQ.
  • [A12 50mm FAQ : About controlling the flash manually (Manual Flash Amount).]
  • *b10)The upper limit and lower limit for shutter speeds will vary depending on the shooting mode or the flash mode.
[Feature enhanced update] The following features will be added by the firmware update.
F/W (1) : The [Shutter Speed Auto Shift] option is added.
F/W (2) : [MAX] option is added in [Noise Reduction] in the Shooting menu.
F/W (3) : [Incandescent 1] and [Incandescent 2] is available in white balance.
Go to [GXR firmware update]
Go to [GR DIGITAL III firmware update]

[Button / Key assignments and display settings]

Items GR LENS A12 28mm GR LENS A12 50mm GR DIGITAL III
My Settings 3 settings 3 settings 3 settings
My Settings Box Available (up to 6 settings) *c1 Available (up to 6 settings) *c1 Available (up to 6 settings) *c1
DIRECT button feature Available *c2 Available *c2 N/A
ADJ. lever settings 4 settings 4 settings 4 settings
Fn button registrations Fn1 / Fn2 *c3 Fn1 / Fn2 *c3 Fn1 / Fn2 *c3
Grid Guide display 3 types 3 types 3 types
Shooting Info. Display frame *c4 Available Available Available
Information Display mode *c5 Available Available Available

[Playback features of camera]

Items GR LENS A12 28mm GR LENS A12 50mm GR DIGITAL III
Image rotation Automatic rotation in Playback Automatic rotation in Playback Automatic rotation in Playback
Thumbnail view 20 frames or 81 frames view 20 frames or 81 frames view 20 frames or 81 frames view
Display of enlarged image Max. 16x Max. 16x Max. 16x
Level compensation (Image brightness and contrast correction) Available (Level Compensation: Auto / Manual) Available (Level Compensation: Auto / Manual) Available (Level Compensation: Auto / Manual)
White balance (color tone) compensation Available (adjustable in Green, Magenta, Blue, Amber) Available (adjustable in Green, Magenta, Blue, Amber) Available (adjustable in Green, Magenta, Blue, Amber)
Display of Details + Histogram Available Available Available
Resize images Available Available Available
One press zoom *d1 Available with ADJ. lever Available with ADJ. lever Available with ADJ. lever
Memorizing the last played back image *d2 Available Available Available
Flag function setting *d3 Available Available N/A
  • *d1)Pressing the ADJ. lever allows zooming to the configured magnification.
  • *d2)The camera memorizes the last played back image. At the next playback, the last played back image will be displayed.
  • *d3)This will allow to display an assigned image quickly.

[Other features of camera]

Items GR LENS A12 28mm GR LENS A12 50mm GR DIGITAL III
Picture display (LCD) 3.0 " / approx. 920,000 dots 3.0 " / approx. 920,000 dots 3.0 " / approx. 920,000 dots
Built-in memory Approx. 86 MB Approx. 86 MB Approx. 88 MB
SD memory card Up to 2 GB Up to 2 GB Up to 2 GB
SDHC memory card Up to 32 GB Up to 32 GB Up to 32 GB
Battery DB-90 (included) DB-90 (included) DB-65 (included)
Battery charger BJ-9 (included) BJ-9 (included) BJ-6 (included)
Dry cell battery N/A N/A AAA batteries x 2
Shooting capacity with the included battery *e1 Approx. 320 pictures Approx. 320 pictures Approx. 370 pictures
Dimensions (W x H x D; excluding projections) 113.9 x 70.2 x 55.6 mm *e2 113.9 x 70.2 x 77.1 mm *e2 108.6 x 59.8 x 25.5 mm
Weight Approx. 370 g *e3 Approx. 423 g *e3 Approx. 188 g

  • *e1) The data is just a guide and reference only. Carrying a spare battery will be recommended for a long time usage. (Number of pictures measured using the CIPA standard. The actual number of available shots may vary depending on the shooting and usage conditions.)
  • *e2)The whole dimensions of the camera body attached with the camera unit (including the lens unit).
  • *e3) The whole weight of the camera body attached with the camera unit (without battery, a memory card, a strap, a terminal cap, or a lens cap).

[Optional accessories]

Items GR LENS A12 28mm GR LENS A12 50mm GR DIGITAL III
Wide conversion lens N/A N/A GW-2 *f1
21 mm *f2 (approx. 0.75 magnifications)
Tele conversion lens N/A N/A N/A
Hood & adapter (adapter diameter) N/A N/A GH-2 (ø 43 mm)
Lens hood LH-1 The camera unit has the lens hood internally GH-2
External viewfinder N/A N/A GV-1 *f3
Mini external viewfinder N/A N/A GV-2 *f4
Electronic viewfinder VF-2 (Optional) *f5 VF-2 (Optional) *f5 N/A
External flash GF-1 (Optional) *f6 GF-1 (Optional) *f6 GF-1 (Optional) *f6
Soft case SC-55L SC-55L GC-3/GC-4 *f7
Neck strap ST-3 ST-3 GS-1/ST-2

[PC connections]

When you connect the camera to a computer:
    • Only the USB connection is available. Serial connection is not supported.
    • It is required a computer that is pre-installed with a supported OS version in the following chart, and that has a USB port as standard.
    • The available software for picture downloading is for Windows only. For Macintosh, no software from Ricoh is required to download pictures. See the FAQ here for the details.
    • The following is the mass storage compatibility chart for each operating system.

[PC connections / Mass storage compatibility]

Items GR LENS A12 28mm GR LENS A12 50mm GR DIGITAL III
PC interface Mass storage / USB 2.0 Mass storage / USB 2.0 Mass storage / USB 2.0
Windows 7 (64 bit) Supported Supported Supported
Windows 7 (32 bit) Supported Supported Supported
Windows Vista (32 bit)
Supported Supported Supported
Windows XP (32 bit)
Supported Supported Supported
Windows 2000 Supported Supported Supported
Windows Me
Windows 98
Not supported Not supported Not supported
Mac OS X 10.6 - 10.1.2 Supported Supported Supported
Mac OS 9.2.2 - 9.0 Supported Supported Supported
Mac OS 8.6 Not supported Not supported Not supported
PictBridge printing Available Available Available

Chart below shows the compatibility on the software in the supplied CD that is bundled with the GXR.

[DL-10 / picture download software] *For Windows only
DL-10 for Windows GR LENS A12 28mm GR LENS A12 50mm GR DIGITAL III
Windows 7 (64 bit)
Required software downloads *g1 Required software downloads *g1 Required software downloads *g1
Windows 7 (32 bit)
Supported Supported Supported
Windows Vista (32 bit only)
Windows XP (32 bit only)
Windows 2000
Supported Supported Supported
Windows Me
Windows 98
Not supported Not supported Not supported
  • *g1) For the Windows 7 64 bit edition, download the compatible version from the download site.
Go to [Software downloads]
The latest information for each operating system is available from the OS compatibility site.


[Irodio Photo & Video Studio / picture viewing & edit software]
*For Windows only
Irodio Photo & Video Studio 1.1.16 for Windows GR LENS A12 28mm
Windows Vista
Windows XP
Windows 2000
Supported
Windows Me
Windows 98
Not supported


[VM-1 / MP file viewer software] *For Macintosh only
VM-1 for Macintosh GR LENS A12 28mm
Mac OS X 10.6 - 10.4 Supported
Mac OS X 10.3 - 10.1.2 Not supported
Mac OS 9.2.2 - 9.0 Not supported
Mac OS 8.6 Not supported
 
Answer ID: gxr05000
Date created: September 22, 2010
Date modified: September 14, 2011
Product: GXR, GR DIGITAL III
Operating system: --
Category: Hardware specifications
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