Olympus E-M10 II vs Pentax K100D
82 Imaging
53 Features
77 Overall
62
64 Imaging
44 Features
36 Overall
40
Olympus E-M10 II vs Pentax K100D 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
- 390g - 120 x 83 x 47mm
- Introduced August 2015
- Replaced the Olympus E-M10
- Replacement is Olympus E-M10 III
(Full Review)
- 6MP - APS-C Sensor
- 2.5" Fixed Screen
- ISO 200 - 3200
- Sensor based Image Stabilization
- No Video
- Pentax KAF Mount
- 660g - 129 x 93 x 70mm
- Launched December 2006
- Updated by Pentax K100D S
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Here is a extended analysis of the Olympus E-M10 II versus Pentax K100D, former being a Entry-Level Mirrorless while the latter is a Entry-Level DSLR by companies Olympus and Pentax. There exists a noticeable gap between the resolutions of the E-M10 II (16MP) and K100D (6MP) and the E-M10 II (Four Thirds) and K100D (APS-C) boast totally different sensor sizing.
President Biden pushes bill mandating TikTok sale or banThe E-M10 II was unveiled 8 years later than the K100D and that is quite a sizable difference as far as technology is concerned. Both cameras have different body design with the Olympus E-M10 II being a SLR-style mirrorless camera and the Pentax K100D being a Compact SLR camera.
Before getting into a detailed comparison, here is a brief highlight of how the E-M10 II grades against the K100D with respect to portability, imaging, features and an overall rating.
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Below is a preview of the gallery images for Olympus OM-D E-M10 II & Pentax K100D. The full galleries are viewable at Olympus E-M10 II Gallery & Pentax K100D Gallery.
Reasons to pick Olympus E-M10 II over the Pentax K100D
| E-M10 II | K100D | |||
|---|---|---|---|---|
| Launched | August 2015 | December 2006 | Fresher by 107 months | |
| Screen type | Tilting | Fixed | Tilting screen | |
| Screen dimensions | 3" | 2.5" | Bigger screen (+0.5") | |
| Screen resolution | 1040k | 210k | Sharper screen (+830k dot) | |
| Touch friendly screen | Quickly navigate |
Reasons to pick Pentax K100D over the Olympus E-M10 II
| K100D | E-M10 II |
|---|
Common features in the Olympus E-M10 II and Pentax K100D
| E-M10 II | K100D | |||
|---|---|---|---|---|
| Focus manually | Dial precise focus | |||
| Selfie screen | Missing selfie screen |
Olympus E-M10 II vs Pentax K100D Physical Comparison
For anyone who is aiming to carry your camera, you're going to have to consider its weight and proportions. The Olympus E-M10 II enjoys external dimensions of 120mm x 83mm x 47mm (4.7" x 3.3" x 1.9") having a weight of 390 grams (0.86 lbs) whilst the Pentax K100D has measurements of 129mm x 93mm x 70mm (5.1" x 3.7" x 2.8") and a weight of 660 grams (1.46 lbs).
Check the Olympus E-M10 II versus Pentax K100D in our brand new Camera & Lens Size Comparison Tool.
Keep in mind, the weight of an ILC will change based on the lens you are using at that time. The following is a front view measurements comparison of the E-M10 II compared to the K100D.

Factoring in dimensions and weight, the portability rating of the E-M10 II and K100D is 82 and 64 respectively.
Olympus E-M10 II vs Pentax K100D Sensor Comparison
Normally, it's difficult to see the contrast between sensor sizing purely by checking specs. The graphic here will help offer you a clearer sense of the sensor dimensions in the E-M10 II and K100D.
As you can plainly see, each of these cameras have different resolutions and different sensor sizing. The E-M10 II with its tinier sensor will make achieving shallow DOF harder and the Olympus E-M10 II will give you more detail having an extra 10MP. Higher resolution will also make it easier to crop photographs a bit more aggressively. The fresher E-M10 II will have an edge when it comes to sensor tech.
Olympus E-M10 II vs Pentax K100D Screen and ViewFinder
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Olympus E-M10 II vs Pentax K100D Specifications
| Olympus OM-D E-M10 II | Pentax K100D | |
|---|---|---|
| General Information | ||
| Brand | Olympus | Pentax |
| Model | Olympus OM-D E-M10 II | Pentax K100D |
| Type | Entry-Level Mirrorless | Entry-Level DSLR |
| Introduced | 2015-08-25 | 2006-12-03 |
| Body design | SLR-style mirrorless | Compact SLR |
| Sensor Information | ||
| Powered by | TruePic VII | - |
| Sensor type | CMOS | CCD |
| Sensor size | Four Thirds | APS-C |
| Sensor dimensions | 17.3 x 13mm | 23.5 x 15.7mm |
| Sensor surface area | 224.9mm² | 369.0mm² |
| Sensor resolution | 16 megapixel | 6 megapixel |
| Anti aliasing filter | ||
| Aspect ratio | 1:1, 4:3, 3:2 and 16:9 | 3:2 |
| Highest Possible resolution | 4608 x 3456 | 3008 x 2008 |
| Maximum native ISO | 25600 | 3200 |
| Min native ISO | 200 | 200 |
| RAW images | ||
| Min enhanced ISO | 100 | - |
| Autofocusing | ||
| Focus manually | ||
| AF touch | ||
| Continuous AF | ||
| AF single | ||
| Tracking AF | ||
| AF selectice | ||
| AF center weighted | ||
| AF multi area | ||
| Live view AF | ||
| Face detect focusing | ||
| Contract detect focusing | ||
| Phase detect focusing | ||
| Number of focus points | 81 | 11 |
| Lens | ||
| Lens mount | Micro Four Thirds | Pentax KAF |
| Number of lenses | 107 | 151 |
| Crop factor | 2.1 | 1.5 |
| Screen | ||
| Range of display | Tilting | Fixed Type |
| Display diagonal | 3 inches | 2.5 inches |
| Resolution of display | 1,040k dot | 210k dot |
| Selfie friendly | ||
| Liveview | ||
| Touch display | ||
| Viewfinder Information | ||
| Viewfinder type | Electronic | Optical (pentamirror) |
| Viewfinder resolution | 2,360k dot | - |
| Viewfinder coverage | 100 percent | 96 percent |
| Viewfinder magnification | 0.62x | 0.57x |
| Features | ||
| Minimum shutter speed | 60 secs | 30 secs |
| Fastest shutter speed | 1/4000 secs | 1/4000 secs |
| Continuous shutter speed | 8.0 frames/s | 3.0 frames/s |
| Shutter priority | ||
| Aperture priority | ||
| Expose Manually | ||
| Exposure compensation | Yes | Yes |
| Set WB | ||
| Image stabilization | ||
| Built-in flash | ||
| Flash range | 5.80 m (ISO 100) | - |
| Flash settings | Auto, redeye reduction, fill flash, flash off, 1st-curtain slow sync w/redeye, 1st-curtain slow sync, 2nd-curtain slow sync, manual | Auto, On, Off, Red-eye reduction |
| Hot shoe | ||
| AEB | ||
| White balance bracketing | ||
| Fastest flash sync | - | 1/180 secs |
| Exposure | ||
| Multisegment metering | ||
| Average metering | ||
| Spot metering | ||
| Partial metering | ||
| AF area metering | ||
| Center weighted metering | ||
| Video features | ||
| Supported video resolutions | 1920 x 1080 (60p/30p/24p), 1280 x 720 (60p/30p/24p), 640 x 480 (30 fps) | - |
| Maximum video resolution | 1920x1080 | None |
| Video format | H.264, Motion JPEG | - |
| Mic jack | ||
| Headphone jack | ||
| 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 proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | 390g (0.86 lb) | 660g (1.46 lb) |
| Physical dimensions | 120 x 83 x 47mm (4.7" x 3.3" x 1.9") | 129 x 93 x 70mm (5.1" x 3.7" x 2.8") |
| DXO scores | ||
| DXO Overall score | 73 | not tested |
| DXO Color Depth score | 23.1 | not tested |
| DXO Dynamic range score | 12.5 | not tested |
| DXO Low light score | 842 | not tested |
| Other | ||
| Battery life | 320 shots | - |
| Battery form | Battery Pack | - |
| Battery model | BLS-50 | 4 x AA |
| Self timer | Yes (12 sec., 2 sec, custom) | Yes (2 or 12 sec) |
| Time lapse shooting | ||
| Storage media | SD/SDHC/SDXC | SD/MMC card |
| Storage slots | 1 | 1 |
| Price at release | $499 | $0 |