Olympus E-M10 III vs Pentax 645D
80 Imaging
55 Features
75 Overall
63
50 Imaging
76 Features
52 Overall
66
Olympus E-M10 III vs Pentax 645D Key Specs
(Full Review)
- 16MP - Four Thirds Sensor
- 3" Tilting Screen
- ISO 200 - 25600
- Sensor based 5-axis Image Stabilization
- 3840 x 2160 video
- Micro Four Thirds Mount
- 410g - 122 x 84 x 50mm
- Released August 2017
- Succeeded the Olympus E-M10 II
- Later Model is Olympus E-M10 IV
(Full Review)
- 40MP - Medium format Sensor
- 3" Fixed Display
- ISO 200 - 1600
- No Anti-Alias Filter
- No Video
- Pentax 645AF2 Mount
- 1480g - 156 x 117 x 119mm
- Introduced March 2010
- Successor is Pentax 645Z
Olympus E-M10 III vs Pentax 645D Overview
On this page, we are evaluating the Olympus E-M10 III and Pentax 645D, one being a Entry-Level Mirrorless and the other is a Pro DSLR by manufacturers Olympus and Pentax. There exists a significant gap among the image resolutions of the E-M10 III (16MP) and 645D (40MP) and the E-M10 III (Four Thirds) and 645D (Medium format) have different sensor sizes.
Apple Innovates by Creating Next-Level Optical Stabilization for iPhoneThe E-M10 III was unveiled 7 years later than the 645D and that is a fairly sizable gap as far as camera technology is concerned. Both the cameras have different body design with the Olympus E-M10 III being a SLR-style mirrorless camera and the Pentax 645D being a Large SLR camera.
Before delving into a full comparison, here is a simple introduction of how the E-M10 III scores versus the 645D in relation to portability, imaging, features and an overall rating.
Olympus E-M10 III vs Pentax 645D Gallery
The following is a sample of the gallery pics for Olympus OM-D E-M10 Mark III and Pentax 645D. The full galleries are available at Olympus E-M10 III Gallery and Pentax 645D Gallery.
Reasons to pick Olympus E-M10 III over the Pentax 645D
E-M10 III | 645D | |||
---|---|---|---|---|
Introduced | August 2017 | March 2010 | Fresher by 92 months | |
Display type | Tilting | Fixed | Tilting display | |
Display resolution | 1040k | 921k | Sharper display (+119k dot) | |
Touch display | Easily navigate |
Reasons to pick Pentax 645D over the Olympus E-M10 III
645D | E-M10 III |
---|
Common features in the Olympus E-M10 III and Pentax 645D
E-M10 III | 645D | |||
---|---|---|---|---|
Manually focus | More exact focus | |||
Display dimensions | 3" | 3" | Equal display dimensions | |
Selfie screen | No selfie screen |
Olympus E-M10 III vs Pentax 645D Physical Comparison
For those who are going to carry your camera regularly, you'll need to think about its weight and volume. The Olympus E-M10 III enjoys outside measurements of 122mm x 84mm x 50mm (4.8" x 3.3" x 2.0") accompanied by a weight of 410 grams (0.90 lbs) whilst the Pentax 645D has sizing of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") accompanied by a weight of 1480 grams (3.26 lbs).
Check out the Olympus E-M10 III and Pentax 645D in the new Camera and Lens Size Comparison Tool.Don't forget, the weight of an Interchangeable Lens Camera will change dependant on the lens you have attached during that time. Below is a front view measurements comparison of the E-M10 III compared to the 645D.
Using dimensions and weight, the portability rating of the E-M10 III and 645D is 80 and 50 respectively.
Olympus E-M10 III vs Pentax 645D Sensor Comparison
Normally, its difficult to imagine the gap in sensor sizing purely by looking through technical specs. The photograph here may offer you a greater sense of the sensor measurements in the E-M10 III and 645D.
As you can tell, the 2 cameras have different resolutions and different sensor sizing. The E-M10 III with its smaller sensor is going to make achieving bokeh more challenging and the Pentax 645D will provide you with more detail having an extra 24 Megapixels. Greater resolution will help you crop pics a bit more aggressively. The newer E-M10 III should have a benefit with regard to sensor technology.
Olympus E-M10 III vs Pentax 645D Screen and ViewFinder
Photography Type Scores
Portrait Comparison
Street Comparison
Sports Comparison
Travel Comparison
Landscape Comparison
Vlogging Comparison
Olympus E-M10 III vs Pentax 645D Specifications
Olympus OM-D E-M10 Mark III | Pentax 645D | |
---|---|---|
General Information | ||
Manufacturer | Olympus | Pentax |
Model | Olympus OM-D E-M10 Mark III | Pentax 645D |
Class | Entry-Level Mirrorless | Pro DSLR |
Released | 2017-08-31 | 2010-03-10 |
Physical type | SLR-style mirrorless | Large SLR |
Sensor Information | ||
Powered by | TruePic VIII | Prime II |
Sensor type | CMOS | CCD |
Sensor size | Four Thirds | Medium format |
Sensor dimensions | 17.4 x 13mm | 44 x 33mm |
Sensor area | 226.2mm² | 1,452.0mm² |
Sensor resolution | 16 megapixels | 40 megapixels |
Anti aliasing filter | ||
Aspect ratio | 4:3 | 4:3 |
Maximum resolution | 4608 x 3456 | 7264 x 5440 |
Maximum native ISO | 25600 | 1600 |
Minimum native ISO | 200 | 200 |
RAW data | ||
Minimum boosted ISO | 100 | 100 |
Autofocusing | ||
Manual focus | ||
Touch focus | ||
Autofocus continuous | ||
Autofocus single | ||
Tracking autofocus | ||
Autofocus selectice | ||
Center weighted autofocus | ||
Multi area autofocus | ||
Live view autofocus | ||
Face detection focus | ||
Contract detection focus | ||
Phase detection focus | ||
Number of focus points | 121 | 11 |
Lens | ||
Lens mounting type | Micro Four Thirds | Pentax 645AF2 |
Number of lenses | 107 | 6 |
Crop factor | 2.1 | 0.8 |
Screen | ||
Screen type | Tilting | Fixed Type |
Screen sizing | 3 inches | 3 inches |
Resolution of screen | 1,040k dots | 921k dots |
Selfie friendly | ||
Liveview | ||
Touch function | ||
Screen technology | - | TFT Color LCD with wide-viewing angle and with AR coating |
Viewfinder Information | ||
Viewfinder | Electronic | Optical (pentaprism) |
Viewfinder resolution | 2,360k dots | - |
Viewfinder coverage | 100 percent | 98 percent |
Viewfinder magnification | 0.62x | 0.85x |
Features | ||
Slowest shutter speed | 60s | 30s |
Maximum shutter speed | 1/4000s | 1/4000s |
Maximum silent shutter speed | 1/16000s | - |
Continuous shooting rate | 8.6fps | 1.0fps |
Shutter priority | ||
Aperture priority | ||
Manually set exposure | ||
Exposure compensation | Yes | Yes |
Custom white balance | ||
Image stabilization | ||
Integrated flash | ||
Flash range | 5.80 m (at ISO 100) | no built-in flash |
Flash modes | Auto, redeye, slow sync, 2nd-curtain slow sync, redeye slow sync, fill-in, manual, off | Auto, On, Off, Red-eye, Slow Sync, Rear Curtain |
External flash | ||
Auto exposure bracketing | ||
White balance bracketing | ||
Maximum flash synchronize | 1/250s | 1/125s |
Exposure | ||
Multisegment metering | ||
Average metering | ||
Spot metering | ||
Partial metering | ||
AF area metering | ||
Center weighted metering | ||
Video features | ||
Video resolutions | 3840 x 2160 @ 30p / 102 Mbps, MOV, H.264, Linear PCM | - |
Maximum video resolution | 3840x2160 | None |
Video format | MPEG-4, H.264 | - |
Mic port | ||
Headphone port | ||
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 sealing | ||
Water proof | ||
Dust proof | ||
Shock proof | ||
Crush proof | ||
Freeze proof | ||
Weight | 410 grams (0.90 lb) | 1480 grams (3.26 lb) |
Physical dimensions | 122 x 84 x 50mm (4.8" x 3.3" x 2.0") | 156 x 117 x 119mm (6.1" x 4.6" x 4.7") |
DXO scores | ||
DXO All around score | not tested | 82 |
DXO Color Depth score | not tested | 24.6 |
DXO Dynamic range score | not tested | 12.6 |
DXO Low light score | not tested | 1262 |
Other | ||
Battery life | 330 photographs | 800 photographs |
Type of battery | Battery Pack | Battery Pack |
Battery model | BLS-50 | D-LI90 |
Self timer | Yes (2 or 12 secs, custom) | Yes (2 or 10 sec) |
Time lapse feature | ||
Type of storage | SD/SDHC/SDXC (UHS-I/II supported) | SD/SDHC |
Card slots | One | 2 |
Launch pricing | $650 | $4,000 |