Olympus E-M1 III vs Pentax 645D
67 Imaging
62 Features
96 Overall
75
50 Imaging
76 Features
52 Overall
66
Olympus E-M1 III vs Pentax 645D Key Specs
(Full Review)
- 20MP - Four Thirds Sensor
- 3" Fully Articulated Screen
- ISO 200 - 25600
- Sensor based 5-axis Image Stabilization
- No Anti-Alias Filter
- 1/8000s Maximum Shutter
- 4096 x 2160 video
- Micro Four Thirds Mount
- 580g - 134 x 91 x 69mm
- Announced February 2020
- Earlier Model is Olympus E-M1 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
- Introduced March 2010
- Later Model is Pentax 645Z
Olympus E-M1 III vs Pentax 645D Overview
Below, we will be analyzing the Olympus E-M1 III and Pentax 645D, one being a Pro Mirrorless and the latter is a Pro DSLR by manufacturers Olympus and Pentax. There is a crucial difference among the resolutions of the E-M1 III (20MP) and 645D (40MP) and the E-M1 III (Four Thirds) and 645D (Medium format) possess totally different sensor size.
Photobucket discusses licensing 13 billion images with AI firmsThe E-M1 III was released 10 years later than the 645D and that is a fairly serious gap as far as camera tech is concerned. Both of these cameras come with different body type with the Olympus E-M1 III being a SLR-style mirrorless camera and the Pentax 645D being a Large SLR camera.
Before going straight into a thorough comparison, below is a concise view of how the E-M1 III grades vs the 645D in regards to portability, imaging, features and an overall grade.
Olympus E-M1 III vs Pentax 645D Gallery
Following is a preview of the gallery photos for Olympus OM-D E-M1 Mark III and Pentax 645D. The complete galleries are available at Olympus E-M1 III Gallery and Pentax 645D Gallery.
Reasons to pick Olympus E-M1 III over the Pentax 645D
E-M1 III | 645D | |||
---|---|---|---|---|
Introduced | February 2020 | March 2010 | More recent by 121 months | |
Screen type | Fully Articulated | Fixed | Fully Articulating screen | |
Screen resolution | 1037k | 921k | Crisper screen (+116k dot) | |
Selfie screen | Easy selfies | |||
Touch screen | Quickly navigate |
Reasons to pick Pentax 645D over the Olympus E-M1 III
645D | E-M1 III |
---|
Common features in the Olympus E-M1 III and Pentax 645D
E-M1 III | 645D | |||
---|---|---|---|---|
Manually focus | Dial precise focusing | |||
Screen dimension | 3" | 3" | Identical screen size |
Olympus E-M1 III vs Pentax 645D Physical Comparison
For anybody who is planning to lug around your camera often, you should think about its weight and dimensions. The Olympus E-M1 III features exterior measurements of 134mm x 91mm x 69mm (5.3" x 3.6" x 2.7") with a weight of 580 grams (1.28 lbs) whilst the Pentax 645D has dimensions of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") and a weight of 1480 grams (3.26 lbs).
Look at the Olympus E-M1 III and Pentax 645D in the new Camera and Lens Size Comparison Tool.Take into account, the weight of an Interchangeable Lens Camera will differ depending on the lens you select during that time. Here is the front view proportions comparison of the E-M1 III vs the 645D.
Taking into consideration size and weight, the portability grade of the E-M1 III and 645D is 67 and 50 respectively.
Olympus E-M1 III vs Pentax 645D Sensor Comparison
Usually, its hard to envision the difference in sensor measurements only by seeing specifications. The visual here may provide you a greater sense of the sensor sizing in the E-M1 III and 645D.
Plainly, the two cameras have got different resolutions and different sensor measurements. The E-M1 III featuring a smaller sensor will make shooting bokeh more difficult and the Pentax 645D will produce extra detail as a result of its extra 20 Megapixels. Higher resolution will allow you to crop pictures much more aggressively. The younger E-M1 III will have an edge with regard to sensor innovation.
Olympus E-M1 III vs Pentax 645D Screen and ViewFinder
Photography Type Scores
Portrait Comparison
Street Comparison
Sports Comparison
Travel Comparison
Landscape Comparison
Vlogging Comparison
Olympus E-M1 III vs Pentax 645D Specifications
Olympus OM-D E-M1 Mark III | Pentax 645D | |
---|---|---|
General Information | ||
Make | Olympus | Pentax |
Model type | Olympus OM-D E-M1 Mark III | Pentax 645D |
Class | Pro Mirrorless | Pro DSLR |
Announced | 2020-02-11 | 2010-03-10 |
Body design | SLR-style mirrorless | Large SLR |
Sensor Information | ||
Powered by | TruePic IX | Prime II |
Sensor type | CMOS | CCD |
Sensor size | Four Thirds | Medium format |
Sensor measurements | 17.4 x 13mm | 44 x 33mm |
Sensor surface area | 226.2mm² | 1,452.0mm² |
Sensor resolution | 20 megapixel | 40 megapixel |
Anti alias filter | ||
Aspect ratio | 4:3 | 4:3 |
Peak resolution | 5184 x 3888 | 7264 x 5440 |
Highest native ISO | 25600 | 1600 |
Lowest native ISO | 200 | 200 |
RAW photos | ||
Lowest enhanced ISO | 64 | 100 |
Autofocusing | ||
Manual focusing | ||
AF touch | ||
AF continuous | ||
AF single | ||
AF tracking | ||
AF selectice | ||
Center weighted AF | ||
Multi area AF | ||
Live view AF | ||
Face detection AF | ||
Contract detection AF | ||
Phase detection AF | ||
Total focus points | 121 | 11 |
Cross type focus points | 121 | - |
Lens | ||
Lens mount type | Micro Four Thirds | Pentax 645AF2 |
Number of lenses | 107 | 6 |
Focal length multiplier | 2.1 | 0.8 |
Screen | ||
Range of screen | Fully Articulated | Fixed Type |
Screen size | 3 inch | 3 inch |
Resolution of screen | 1,037k dot | 921k dot |
Selfie friendly | ||
Liveview | ||
Touch capability | ||
Screen tech | - | TFT Color LCD with wide-viewing angle and with AR coating |
Viewfinder Information | ||
Viewfinder | Electronic | Optical (pentaprism) |
Viewfinder resolution | 2,360k dot | - |
Viewfinder coverage | 100 percent | 98 percent |
Viewfinder magnification | 0.74x | 0.85x |
Features | ||
Min shutter speed | 60 seconds | 30 seconds |
Max shutter speed | 1/8000 seconds | 1/4000 seconds |
Max silent shutter speed | 1/32000 seconds | - |
Continuous shutter speed | 60.0 frames/s | 1.0 frames/s |
Shutter priority | ||
Aperture priority | ||
Expose Manually | ||
Exposure compensation | Yes | Yes |
Change WB | ||
Image stabilization | ||
Built-in flash | ||
Flash distance | no built-in flash | no built-in flash |
Flash options | Redeye, Fill-in, Flash Off, Red-eye Slow sync.(1st curtain), Slow sync.(1st curtain), Slow sync.(2nd curtain), Manual | Auto, On, Off, Red-eye, Slow Sync, Rear Curtain |
External flash | ||
Auto exposure bracketing | ||
WB bracketing | ||
Max flash sync | 1/250 seconds | 1/125 seconds |
Exposure | ||
Multisegment | ||
Average | ||
Spot | ||
Partial | ||
AF area | ||
Center weighted | ||
Video features | ||
Supported video resolutions | 4096 x 2160 @ 24p / 237 Mbps, MOV, H.264, Linear PCM3840 x 2160 @ 30p / 102 Mbps, MOV, H.264, Linear PCM3840 x 2160 @ 25p / 102 Mbps, MOV, H.264, Linear PCM3840 x 2160 @ 23.98p / 102 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 60p, MOV, H.264, Linear PCM1920 x 1080 @ 50p, MOV, H.264, Linear PCM1920 x 1080 @ 30p, MOV, H.264, Linear PCM1920 x 1080 @ 25p, MOV, H.264, Linear PCM1920 x 1080 @ 23.98p, MOV, H.264, Linear PCM | - |
Highest video resolution | 4096x2160 | None |
Video format | MPEG-4, H.264 | - |
Microphone jack | ||
Headphone jack | ||
Connectivity | ||
Wireless | Built-In | None |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | USB 3.1 Gen 1 (5 GBit/sec) | USB 2.0 (480 Mbit/sec) |
GPS | None | None |
Physical | ||
Environmental seal | ||
Water proofing | ||
Dust proofing | ||
Shock proofing | ||
Crush proofing | ||
Freeze proofing | ||
Weight | 580 gr (1.28 lb) | 1480 gr (3.26 lb) |
Dimensions | 134 x 91 x 69mm (5.3" x 3.6" x 2.7") | 156 x 117 x 119mm (6.1" x 4.6" x 4.7") |
DXO scores | ||
DXO Overall rating | not tested | 82 |
DXO Color Depth rating | not tested | 24.6 |
DXO Dynamic range rating | not tested | 12.6 |
DXO Low light rating | not tested | 1262 |
Other | ||
Battery life | 420 shots | 800 shots |
Form of battery | Battery Pack | Battery Pack |
Battery ID | BLH-1 | D-LI90 |
Self timer | Yes (2 or 12 secs, custom) | Yes (2 or 10 sec) |
Time lapse feature | ||
Storage media | Dual SD/SDHC/SDXC slots (UHS-II on first slot) | SD/SDHC |
Storage slots | Dual | Dual |
Launch pricing | $1,800 | $4,000 |