3D comparison › Cameras compared
Olympus OM-D E-M10 Mark IV vs OM SYSTEM PEN
The OM SYSTEM PEN is 4.1 mm wider, 9.9 mm shorter, 5.7 mm thinner and 10 g heavier than the Olympus OM-D E-M10 Mark IV. The OM SYSTEM PEN takes up 19 % less space (the box around the body, without lens).
See them side by side at real size
Open the 3D comparison →In 3D, from every angle, with the lens of your choice.
Olympus OM-D E-M10 Mark IV

- Width × height × depth
- 121.7 × 84.4 × 49 mm (4.79 × 3.32 × 1.93 in)
- Weight
- 383 g (13.5 oz)
- Mount
- Micro Four Thirds
- Price
- $800 at B&H Photo
OM SYSTEM PEN

- Width × height × depth
- 125.8 × 74.5 × 43.3 mm (4.95 × 2.93 × 1.70 in)
- Weight
- 393 g (13.9 oz)
- Mount
- Micro Four Thirds
- Price
- $1,000 at Adorama
Specifications compared
| OM-D E-M10 IV | PEN | |
|---|---|---|
| Resolution | 20.3 MP | 20.4 MP |
| Sensor | Four Thirds | Four Thirds |
| Stabilization | Sensor-Shift | Sensor-Shift |
| ISO | 200–25,600 (100–25,600 Extended) | Base: 100* |
| Shutter speed | 1/16000–60 s | 1/4000–60 s |
| Burst | Up to 15 fps | Up to 30 fps |
| Video | 4K internal | 4K internal |
| Viewfinder | Electronic (OLED) · 2,360,000 Dot · 0.67x | Electronic (OLED) · 2,360,000 Dot · 1.1x |
| Screen | 180° Tilting 3" Touchscreen LCD | Articulating 3" Touchscreen LCD |
| Card slots | Single Slot: SD/SDHC/SDXC (UHS-II) | Single Slot: SD/SDHC/SDXC (UHS-I) |
| Battery | BLS-50 | BLS-7 |
| Dimensions | 121.7 x 84.4 x 49 mm | 125.8 x 74.5 x 43.3 mm |
| Weight | 383 g with battery & card | 393 g with battery & card |
| Autofocus | 121-point contrast-detect AF, face/eye detection | 121-point cross-type hybrid AF, human/pet detection |
Values that differ are in bold. From the makers' published specifications.
Can't decide?
Follow both prices and get an e-mail when one drops. Already own one? Tell us, and we e-mail you its firmware updates and news.
Follow the OM-D E-M10 IV Follow the PENMore comparisons

Olympus OM-D E-M10 Mark IV vs Sony α1 IIsize, weight and specs

Olympus OM-D E-M10 Mark IV vs Sony ZV-E10 IIsize, weight and specs

Olympus OM-D E-M10 Mark IV vs Nikon Z8size, weight and specs

OM SYSTEM PEN vs OM SYSTEM OM-3size, weight and specs

OM SYSTEM PEN vs Sony α7CRsize, weight and specs

OM SYSTEM PEN vs Nikon Z30size, weight and specs

OM SYSTEM PEN vs Sony α7 Vsize, weight and specs