Olympus E-M5 vs Pentax 645D
81 Imaging
52 Features
70 Overall
59
50 Imaging
76 Features
52 Overall
66
Olympus E-M5 vs Pentax 645D Key Specs
(Full Review)
- 16MP - Four Thirds Sensor
- 3" Tilting Display
- ISO 200 - 25600
- Sensor based 5-axis Image Stabilization
- 1920 x 1080 video
- Micro Four Thirds Mount
- 425g - 122 x 89 x 43mm
- Released April 2012
- Refreshed by Olympus E-M5 II
(Full Review)
- 40MP - Medium format Sensor
- 3" Fixed Screen
- ISO 200 - 1600
- No Anti-Alias Filter
- No Video
- Pentax 645AF2 Mount
- 1480g - 156 x 117 x 119mm
- Launched March 2010
- Newer Model is Pentax 645Z
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Here is a thorough analysis of the Olympus E-M5 vs Pentax 645D, one being a Advanced Mirrorless and the latter is a Pro DSLR by companies Olympus and Pentax. There exists a crucial gap among the image resolutions of the E-M5 (16MP) and 645D (40MP) and the E-M5 (Four Thirds) and 645D (Medium format) provide totally different sensor size.
Photography GlossaryThe E-M5 was released 2 years later than the 645D and that is a fairly serious gap as far as camera technology is concerned. Each of these cameras have different body design with the Olympus E-M5 being a SLR-style mirrorless camera and the Pentax 645D being a Large SLR camera.
Before getting into a thorough comparison, here is a brief summation of how the E-M5 grades vs the 645D for portability, imaging, features and an overall rating.
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Below is a preview of the gallery images for Olympus OM-D E-M5 and Pentax 645D. The complete galleries are available at Olympus E-M5 Gallery and Pentax 645D Gallery.
Reasons to pick Olympus E-M5 over the Pentax 645D
| E-M5 | 645D | |||
|---|---|---|---|---|
| Launched | April 2012 |  | March 2010 | Fresher by 27 months |
| Screen type | Tilting |  | Fixed | Tilting screen |
| Touch screen |  | Quickly navigate |
Reasons to pick Pentax 645D over the Olympus E-M5
| 645D | E-M5 | |||
|---|---|---|---|---|
| Screen resolution | 921k |  | 610k | Sharper screen (+311k dot) |
Common features in the Olympus E-M5 and Pentax 645D
| E-M5 | 645D | |||
|---|---|---|---|---|
| Manually focus |  | More accurate focusing | ||
| Screen dimensions | 3" |  | 3" | Equal screen size |
| Selfie screen |  | No selfie screen |
Olympus E-M5 vs Pentax 645D Physical Comparison
When you are intending to carry your camera regularly, you will have to consider its weight and dimensions. The Olympus E-M5 enjoys exterior dimensions of 122mm x 89mm x 43mm (4.8" x 3.5" x 1.7") accompanied by a weight of 425 grams (0.94 lbs) whilst the Pentax 645D has dimensions of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") accompanied by a weight of 1480 grams (3.26 lbs).
Examine the Olympus E-M5 vs Pentax 645D in the new Camera and Lens Size Comparison Tool.
Take into account, the weight of an Interchangeable Lens Camera will change depending on the lens you are utilizing at the time. Following is a front view measurement comparison of the E-M5 versus the 645D.
Taking into account dimensions and weight, the portability grade of the E-M5 and 645D is 81 and 50 respectively.
Olympus E-M5 vs Pentax 645D Sensor Comparison
Sometimes, it's hard to visualise the difference in sensor sizing only by viewing technical specs. The photograph here might offer you a better sense of the sensor dimensions in the E-M5 and 645D.
As you can tell, the two cameras provide different megapixels and different sensor sizing. The E-M5 because of its smaller sensor will make shooting shallower DOF more difficult and the Pentax 645D will provide you with greater detail as a result of its extra 24 Megapixels. Higher resolution can also allow you to crop pictures more aggressively. The fresher E-M5 is going to have an edge with regard to sensor technology.
Olympus E-M5 vs Pentax 645D Screen and ViewFinder
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Olympus E-M5 vs Pentax 645D Specifications
| Olympus OM-D E-M5 | Pentax 645D | |
|---|---|---|
| General Information | ||
| Make | Olympus | Pentax |
| Model type | Olympus OM-D E-M5 | Pentax 645D |
| Type | Advanced Mirrorless | Pro DSLR |
| Released | 2012-04-30 | 2010-03-10 |
| Body design | SLR-style mirrorless | Large SLR |
| Sensor Information | ||
| Chip | TruePic VI | Prime II |
| Sensor type | CMOS | CCD |
| Sensor size | Four Thirds | Medium format |
| Sensor measurements | 17.3 x 13mm | 44 x 33mm |
| Sensor area | 224.9mm² | 1,452.0mm² |
| Sensor resolution | 16MP | 40MP |
| Anti alias filter | ||
| Aspect ratio | 1:1, 4:3, 3:2 and 16:9 | 4:3 |
| Full resolution | 4608 x 3456 | 7264 x 5440 |
| Max native ISO | 25600 | 1600 |
| Lowest native ISO | 200 | 200 |
| RAW files | ||
| Lowest boosted ISO | 100 | 100 |
| Autofocusing | ||
| Focus manually | ||
| Touch focus | ||
| AF continuous | ||
| AF single | ||
| Tracking AF | ||
| Selective AF | ||
| Center weighted AF | ||
| Multi area AF | ||
| AF live view | ||
| Face detect focusing | ||
| Contract detect focusing | ||
| Phase detect focusing | ||
| Total focus points | 35 | 11 |
| Lens | ||
| Lens support | Micro Four Thirds | Pentax 645AF2 |
| Amount of lenses | 107 | 6 |
| Crop factor | 2.1 | 0.8 |
| Screen | ||
| Display type | Tilting | Fixed Type |
| Display size | 3" | 3" |
| Display resolution | 610k dot | 921k dot |
| Selfie friendly | ||
| Liveview | ||
| Touch friendly | ||
| Display tech | Touch control in electrostatic capacitance type OLED monitor | TFT Color LCD with wide-viewing angle and with AR coating |
| Viewfinder Information | ||
| Viewfinder | Electronic | Optical (pentaprism) |
| Viewfinder resolution | 1,440k dot | - |
| Viewfinder coverage | 100 percent | 98 percent |
| Viewfinder magnification | 0.58x | 0.85x |
| Features | ||
| Lowest shutter speed | 60s | 30s |
| Highest shutter speed | 1/4000s | 1/4000s |
| Continuous shooting speed | 9.0 frames per sec | 1.0 frames per sec |
| Shutter priority | ||
| Aperture priority | ||
| Manually set exposure | ||
| Exposure compensation | Yes | Yes |
| Set WB | ||
| Image stabilization | ||
| Inbuilt flash | ||
| Flash distance | no built-in flash | no built-in flash |
| Flash settings | Auto, On, Off, Red-Eye, Fill-in, Slow Sync (2), Manual (3 levels) | Auto, On, Off, Red-eye, Slow Sync, Rear Curtain |
| Hot shoe | ||
| Auto exposure bracketing | ||
| WB bracketing | ||
| Highest flash sync | 1/250s | 1/125s |
| Exposure | ||
| Multisegment metering | ||
| Average metering | ||
| Spot metering | ||
| Partial metering | ||
| AF area metering | ||
| Center weighted metering | ||
| Video features | ||
| Video resolutions | 1920 x 1080 (60 fps), 1280 x 720 (60, 30 fps), 640 x 480 (30 fps) | - |
| Max video resolution | 1920x1080 | None |
| Video file format | H.264, Motion JPEG | - |
| Microphone input | ||
| Headphone input | ||
| Connectivity | ||
| Wireless | Eye-Fi Connected | 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 | 425g (0.94 lb) | 1480g (3.26 lb) |
| Physical dimensions | 122 x 89 x 43mm (4.8" x 3.5" x 1.7") | 156 x 117 x 119mm (6.1" x 4.6" x 4.7") |
| DXO scores | ||
| DXO All around rating | 71 | 82 |
| DXO Color Depth rating | 22.8 | 24.6 |
| DXO Dynamic range rating | 12.3 | 12.6 |
| DXO Low light rating | 826 | 1262 |
| Other | ||
| Battery life | 360 pictures | 800 pictures |
| Style of battery | Battery Pack | Battery Pack |
| Battery ID | BLN-1 | D-LI90 |
| Self timer | Yes (2 or 12 sec) | Yes (2 or 10 sec) |
| Time lapse recording | ||
| Type of storage | SD/SDHC/SDXC | SD/SDHC |
| Storage slots | 1 | Two |
| Cost at launch | $799 | $4,000 |