Olympus E-M5 III vs Ricoh GXR A12 50mm F2.5 Macro
80 Imaging
61 Features
88 Overall
71


77 Imaging
51 Features
31 Overall
43
Olympus E-M5 III vs Ricoh GXR A12 50mm F2.5 Macro Key Specs
(Full Review)
- 20MP - Four Thirds Sensor
- 3" Fully Articulated Display
- ISO 200 - 25600
- Sensor based 5-axis Image Stabilization
- 1/8000s Maximum Shutter
- 4096 x 2160 video
- Micro Four Thirds Mount
- 414g - 125 x 85 x 50mm
- Introduced October 2019
- Superseded the Olympus E-M5 II
- Newer Model is OM System OM-5
(Full Review)
- 12MP - APS-C Sensor
- 3" Fixed Screen
- ISO 200 - 3200
- 1280 x 720 video
- 50mm (F2.5) lens
- 453g - 114 x 70 x 77mm
- Revealed November 2009

Olympus E-M5 III vs Ricoh GXR A12 50mm F2.5 Macro Overview
Following is a in depth overview of the Olympus E-M5 III versus Ricoh GXR A12 50mm F2.5 Macro, both Advanced Mirrorless cameras by brands Olympus and Ricoh. There exists a sizable gap among the image resolutions of the E-M5 III (20MP) and GXR A12 50mm F2.5 Macro (12MP) and the E-M5 III (Four Thirds) and GXR A12 50mm F2.5 Macro (APS-C) boast totally different sensor size.

The E-M5 III was released 10 years after the GXR A12 50mm F2.5 Macro which is a fairly significant difference as far as camera technology is concerned. Both the cameras have different body design with the Olympus E-M5 III being a SLR-style mirrorless camera and the Ricoh GXR A12 50mm F2.5 Macro being a Rangefinder-style mirrorless camera.
Before we go right into a in depth comparison, here is a quick synopsis of how the E-M5 III matches up against the GXR A12 50mm F2.5 Macro in relation to portability, imaging, features and an overall score.

Olympus E-M5 III vs Ricoh GXR A12 50mm F2.5 Macro Gallery
The following is a preview of the gallery photos for Olympus OM-D E-M5 III & Ricoh GXR A12 50mm F2.5 Macro. The complete galleries are provided at Olympus E-M5 III Gallery & Ricoh GXR A12 50mm F2.5 Macro Gallery.
Reasons to pick Olympus E-M5 III over the Ricoh GXR A12 50mm F2.5 Macro
E-M5 III | GXR A12 50mm F2.5 Macro | |||
---|---|---|---|---|
Revealed | October 2019 | ![]() | November 2009 | More modern by 121 months |
Screen type | Fully Articulated | ![]() | Fixed | Fully Articulating screen |
Screen resolution | 1040k | ![]() | 920k | Sharper screen (+120k dot) |
Selfie screen | ![]() | Take selfies | ||
Touch screen | ![]() | Quickly navigate |
Reasons to pick Ricoh GXR A12 50mm F2.5 Macro over the Olympus E-M5 III
GXR A12 50mm F2.5 Macro | E-M5 III |
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Common features in the Olympus E-M5 III and Ricoh GXR A12 50mm F2.5 Macro
E-M5 III | GXR A12 50mm F2.5 Macro | |||
---|---|---|---|---|
Manually focus | ![]() | Dial accurate focusing | ||
Screen dimensions | 3" | ![]() | 3" | Equal screen size |
Olympus E-M5 III vs Ricoh GXR A12 50mm F2.5 Macro Physical Comparison
In case you're going to carry around your camera regularly, you need to factor in its weight and size. The Olympus E-M5 III offers external measurements of 125mm x 85mm x 50mm (4.9" x 3.3" x 2.0") having a weight of 414 grams (0.91 lbs) and the Ricoh GXR A12 50mm F2.5 Macro has specifications of 114mm x 70mm x 77mm (4.5" x 2.8" x 3.0") and a weight of 453 grams (1.00 lbs).
Analyze the Olympus E-M5 III versus Ricoh GXR A12 50mm F2.5 Macro in our newest Camera plus Lens Size Comparison Tool.
Keep in mind, the weight of an ILC will vary dependant on the lens you are using at that time. Following is a front view dimension comparison of the E-M5 III and the GXR A12 50mm F2.5 Macro.

Factoring in dimensions and weight, the portability grade of the E-M5 III and GXR A12 50mm F2.5 Macro is 80 and 77 respectively.

Olympus E-M5 III vs Ricoh GXR A12 50mm F2.5 Macro Sensor Comparison
Sometimes, it's hard to see the gap in sensor sizes merely by viewing technical specs. The image here will help provide you a better sense of the sensor sizing in the E-M5 III and GXR A12 50mm F2.5 Macro.
As you can tell, both of those cameras provide different megapixel count and different sensor sizes. The E-M5 III because of its smaller sensor will make getting shallower depth of field harder and the Olympus E-M5 III will render greater detail as a result of its extra 8 Megapixels. Higher resolution will let you crop pictures more aggressively. The more recent E-M5 III will have a benefit in sensor technology.

Olympus E-M5 III vs Ricoh GXR A12 50mm F2.5 Macro Screen and ViewFinder


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Olympus E-M5 III vs Ricoh GXR A12 50mm F2.5 Macro Specifications
Olympus OM-D E-M5 III | Ricoh GXR A12 50mm F2.5 Macro | |
---|---|---|
General Information | ||
Make | Olympus | Ricoh |
Model type | Olympus OM-D E-M5 III | Ricoh GXR A12 50mm F2.5 Macro |
Class | Advanced Mirrorless | Advanced Mirrorless |
Introduced | 2019-10-17 | 2009-11-10 |
Body design | SLR-style mirrorless | Rangefinder-style mirrorless |
Sensor Information | ||
Processor | TruePic VIII | GR engine III |
Sensor type | MOS | CMOS |
Sensor size | Four Thirds | APS-C |
Sensor dimensions | 17.4 x 13mm | 23.6 x 15.7mm |
Sensor area | 226.2mm² | 370.5mm² |
Sensor resolution | 20 megapixel | 12 megapixel |
Anti alias filter | ||
Aspect ratio | 1:1, 4:3, 3:2 and 16:9 | 1:1, 4:3, 3:2 and 16:9 |
Peak resolution | 5184 x 3888 | 4288 x 2848 |
Highest native ISO | 25600 | 3200 |
Minimum native ISO | 200 | 200 |
RAW files | ||
Minimum enhanced ISO | 64 | - |
Autofocusing | ||
Focus manually | ||
Touch focus | ||
Continuous AF | ||
Single AF | ||
Tracking AF | ||
Selective AF | ||
AF center weighted | ||
AF multi area | ||
AF live view | ||
Face detect focusing | ||
Contract detect focusing | ||
Phase detect focusing | ||
Total focus points | 121 | - |
Lens | ||
Lens mount type | Micro Four Thirds | fixed lens |
Lens zoom range | - | 50mm (1x) |
Largest aperture | - | f/2.5 |
Macro focusing range | - | 1cm |
Available lenses | 107 | - |
Crop factor | 2.1 | 1.5 |
Screen | ||
Range of display | Fully Articulated | Fixed Type |
Display size | 3" | 3" |
Resolution of display | 1,040 thousand dot | 920 thousand dot |
Selfie friendly | ||
Liveview | ||
Touch friendly | ||
Viewfinder Information | ||
Viewfinder | Electronic | Electronic (optional) |
Viewfinder resolution | 2,360 thousand dot | - |
Viewfinder coverage | 100% | - |
Viewfinder magnification | 0.68x | - |
Features | ||
Minimum shutter speed | 60 secs | 180 secs |
Fastest shutter speed | 1/8000 secs | 1/3200 secs |
Fastest quiet shutter speed | 1/32000 secs | - |
Continuous shutter speed | 30.0 frames per second | 3.0 frames per second |
Shutter priority | ||
Aperture priority | ||
Expose Manually | ||
Exposure compensation | Yes | Yes |
Custom WB | ||
Image stabilization | ||
Inbuilt flash | ||
Flash distance | no built-in flash | 3.00 m |
Flash modes | Auto, redeye, fill, off, redeye slow sync, slow sync, 2nd-curtain slow sync, manual | Auto, On, Off, Red-Eye, Slow Sync, Manual |
External flash | ||
AE bracketing | ||
White balance bracketing | ||
Fastest flash sync | 1/250 secs | - |
Exposure | ||
Multisegment metering | ||
Average metering | ||
Spot metering | ||
Partial metering | ||
AF area metering | ||
Center weighted metering | ||
Video features | ||
Video resolutions | 4096 x 2160 @ 24p / 237 Mbps, MOV, H.264, Linear PCM | 1280 x 720 (24 fps), 640 x 480 (24 fps), 320 x 240 (24 fps) |
Highest video resolution | 4096x2160 | 1280x720 |
Video data format | MPEG-4, H.264 | Motion JPEG |
Mic input | ||
Headphone input | ||
Connectivity | ||
Wireless | Built-In | None |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
GPS | None | None |
Physical | ||
Environment seal | ||
Water proofing | ||
Dust proofing | ||
Shock proofing | ||
Crush proofing | ||
Freeze proofing | ||
Weight | 414 gr (0.91 lbs) | 453 gr (1.00 lbs) |
Physical dimensions | 125 x 85 x 50mm (4.9" x 3.3" x 2.0") | 114 x 70 x 77mm (4.5" x 2.8" x 3.0") |
DXO scores | ||
DXO Overall rating | not tested | not tested |
DXO Color Depth rating | not tested | not tested |
DXO Dynamic range rating | not tested | not tested |
DXO Low light rating | not tested | not tested |
Other | ||
Battery life | 310 pictures | 320 pictures |
Type of battery | Battery Pack | Battery Pack |
Battery ID | BLN-1 | - |
Self timer | Yes (2 or 10 secs, custom) | Yes (2 or 10 sec, 10 sec (3 images) ) |
Time lapse shooting | ||
Type of storage | SD/SDHC/SDXC (UHS-II supported) | SD/SDHC, Internal |
Storage slots | 1 | 1 |
Price at release | $1,199 | $566 |