Olympus E-M10 IV vs Pentax K-7
81 Imaging
61 Features
83 Overall
69
60 Imaging
54 Features
69 Overall
60
Olympus E-M10 IV vs Pentax K-7 Key Specs
(Full Review)
- 20MP - Four Thirds Sensor
- 3" Tilting Screen
- ISO 200 - 25600
- Sensor based 5-axis Image Stabilization
- 3840 x 2160 video
- Micro Four Thirds Mount
- 383g - 122 x 84 x 49mm
- Announced August 2020
- Earlier Model is Olympus E-M10 III
(Full Review)
- 15MP - APS-C Sensor
- 3" Fixed Screen
- ISO 100 - 2000 (Expand to 6400)
- Sensor based Image Stabilization
- 1/8000s Maximum Shutter
- 1280 x 720 video
- Pentax KAF2 Mount
- 750g - 131 x 97 x 73mm
- Introduced October 2009
- Replacement is Pentax K-5
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Here is a in depth assessment of the Olympus E-M10 IV versus Pentax K-7, former being a Entry-Level Mirrorless while the latter is a Advanced DSLR by companies Olympus and Pentax. There is a noticeable difference among the image resolutions of the E-M10 IV (20MP) and K-7 (15MP) and the E-M10 IV (Four Thirds) and K-7 (APS-C) offer totally different sensor dimensions.
Apple Innovates by Creating Next-Level Optical Stabilization for iPhoneThe E-M10 IV was brought out 10 years later than the K-7 and that is a fairly sizable difference as far as camera tech is concerned. Both the cameras feature different body design with the Olympus E-M10 IV being a SLR-style mirrorless camera and the Pentax K-7 being a Mid-size SLR camera.
Before getting straight to a comprehensive comparison, here is a quick synopsis of how the E-M10 IV matches up versus the K-7 with regard to portability, imaging, features and an overall rating.
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This is a preview of the gallery photos for Olympus OM-D E-M10 IV & Pentax K-7. The entire galleries are provided at Olympus E-M10 IV Gallery & Pentax K-7 Gallery.
Reasons to pick Olympus E-M10 IV over the Pentax K-7
| E-M10 IV | K-7 | |||
|---|---|---|---|---|
| Introduced | August 2020 | October 2009 | Fresher by 132 months | |
| Screen type | Tilting | Fixed | Tilting screen | |
| Screen resolution | 1040k | 921k | Clearer screen (+119k dot) | |
| Selfie screen | Take selfies | |||
| Touch friendly screen | Quickly navigate |
Reasons to pick Pentax K-7 over the Olympus E-M10 IV
| K-7 | E-M10 IV |
|---|
Common features in the Olympus E-M10 IV and Pentax K-7
| E-M10 IV | K-7 | |||
|---|---|---|---|---|
| Manual focus | Very exact focusing | |||
| Screen size | 3" | 3" | Same screen sizing |
Olympus E-M10 IV vs Pentax K-7 Physical Comparison
If you're going to carry your camera, you will have to think about its weight and measurements. The Olympus E-M10 IV has exterior measurements of 122mm x 84mm x 49mm (4.8" x 3.3" x 1.9") along with a weight of 383 grams (0.84 lbs) while the Pentax K-7 has proportions of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") along with a weight of 750 grams (1.65 lbs).
Contrast the Olympus E-M10 IV versus Pentax K-7 in our brand new Camera & Lens Size Comparison Tool.
Always remember, the weight of an ILC will differ depending on the lens you are utilizing at that moment. Below is a front view scale comparison of the E-M10 IV against the K-7.

Using size and weight, the portability score of the E-M10 IV and K-7 is 81 and 60 respectively.
Olympus E-M10 IV vs Pentax K-7 Sensor Comparison
Oftentimes, its tough to envision the gap in sensor sizing just by checking out a spec sheet. The visual below will help offer you a stronger sense of the sensor sizing in the E-M10 IV and K-7.
As you can see, both the cameras come with different megapixel count and different sensor sizing. The E-M10 IV due to its smaller sensor will make shooting shallower DOF more challenging and the Olympus E-M10 IV will show more detail having its extra 5MP. Higher resolution will also make it easier to crop shots a good deal more aggressively. The more modern E-M10 IV will have an edge in sensor technology.
Olympus E-M10 IV vs Pentax K-7 Screen and ViewFinder
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Olympus E-M10 IV vs Pentax K-7 Specifications
| Olympus OM-D E-M10 IV | Pentax K-7 | |
|---|---|---|
| General Information | ||
| Company | Olympus | Pentax |
| Model type | Olympus OM-D E-M10 IV | Pentax K-7 |
| Type | Entry-Level Mirrorless | Advanced DSLR |
| Announced | 2020-08-04 | 2009-10-02 |
| Physical type | SLR-style mirrorless | Mid-size SLR |
| Sensor Information | ||
| Processor Chip | TruePic VIII | Prime II |
| Sensor type | CMOS | CMOS |
| Sensor size | Four Thirds | APS-C |
| Sensor measurements | 17.4 x 13mm | 23.4 x 15.6mm |
| Sensor area | 226.2mm² | 365.0mm² |
| Sensor resolution | 20 megapixel | 15 megapixel |
| Anti alias filter | ||
| Aspect ratio | 1:1, 4:3, 3:2 and 16:9 | 3:2 |
| Max resolution | 5184 x 3888 | 4672 x 3104 |
| Max native ISO | 25600 | 2000 |
| Max enhanced ISO | - | 6400 |
| Lowest native ISO | 200 | 100 |
| RAW pictures | ||
| Lowest enhanced ISO | 100 | - |
| Autofocusing | ||
| Manual focusing | ||
| AF touch | ||
| Continuous AF | ||
| Single AF | ||
| AF tracking | ||
| Selective AF | ||
| AF center weighted | ||
| AF multi area | ||
| AF live view | ||
| Face detection focusing | ||
| Contract detection focusing | ||
| Phase detection focusing | ||
| Total focus points | 121 | 11 |
| Lens | ||
| Lens mount type | Micro Four Thirds | Pentax KAF2 |
| Total lenses | 107 | 151 |
| Focal length multiplier | 2.1 | 1.5 |
| Screen | ||
| Type of screen | Tilting | Fixed Type |
| Screen sizing | 3 inch | 3 inch |
| Screen resolution | 1,040k dots | 921k dots |
| Selfie friendly | ||
| Liveview | ||
| Touch screen | ||
| Screen tech | - | TFT color LCD with AR coating |
| Viewfinder Information | ||
| Viewfinder type | Electronic | Optical (pentaprism) |
| Viewfinder resolution | 2,360k dots | - |
| Viewfinder coverage | 100 percent | 100 percent |
| Viewfinder magnification | 0.62x | 0.61x |
| Features | ||
| Minimum shutter speed | 60 seconds | 30 seconds |
| Fastest shutter speed | 1/4000 seconds | 1/8000 seconds |
| Fastest silent shutter speed | 1/16000 seconds | - |
| Continuous shutter rate | 8.7 frames/s | 5.0 frames/s |
| Shutter priority | ||
| Aperture priority | ||
| Manually set exposure | ||
| Exposure compensation | Yes | Yes |
| Custom WB | ||
| Image stabilization | ||
| Built-in flash | ||
| Flash distance | 7.20 m (at ISO 200) | 13.00 m |
| Flash options | Redeye, fill-in, off, redeye slow-sync (1st-curtain), slow sync (1st-curtain), slow sync (2nd-curtain), manual | Auto, On, Off, Red-eye, Slow Sync, Rear Curtain, Wireless |
| Hot shoe | ||
| AEB | ||
| White balance bracketing | ||
| Fastest flash synchronize | 1/250 seconds | 1/180 seconds |
| Exposure | ||
| Multisegment metering | ||
| Average metering | ||
| Spot metering | ||
| Partial metering | ||
| AF area metering | ||
| Center weighted metering | ||
| Video features | ||
| Supported video resolutions | 3840 x 2160 @ 30p / 102 Mbps, MOV, H.264, Linear PCM3840 x 2160 @ 25p / 102 Mbps, MOV, H.264, Linear PCM3840 x 2160 @ 24p / 102 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 60p / 52 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 50p / 52 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 30p / 52 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 25p / 52 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 24p / 52 Mbps, MOV, H.264, Linear PCM | 1280 x 720 (30 fps), 1536 x 1024 (30 fps), 640 x 480 (30 fps), 320 x 240 (30 fps) |
| Max video resolution | 3840x2160 | 1280x720 |
| Video data format | MPEG-4, H.264 | Motion JPEG |
| Microphone support | ||
| Headphone support | ||
| 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 | ||
| Environmental sealing | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 383 gr (0.84 pounds) | 750 gr (1.65 pounds) |
| Physical dimensions | 122 x 84 x 49mm (4.8" x 3.3" x 1.9") | 131 x 97 x 73mm (5.2" x 3.8" x 2.9") |
| DXO scores | ||
| DXO Overall rating | not tested | 61 |
| DXO Color Depth rating | not tested | 22.6 |
| DXO Dynamic range rating | not tested | 10.6 |
| DXO Low light rating | not tested | 536 |
| Other | ||
| Battery life | 360 photographs | 980 photographs |
| Battery style | Battery Pack | Battery Pack |
| Battery ID | BLS-50 | D-LI90 |
| Self timer | Yes (2 or 12 sec, custom) | Yes (2 or 10 sec) |
| Time lapse recording | ||
| Storage type | SD/SDHC/SDXC (UHS-II supported) | SD/SDHC/MMC |
| Card slots | One | One |
| Price at release | $699 | $599 |