Olympus E-PM1 vs Pentax E85
89 Imaging
47 Features
52 Overall
49
95 Imaging
34 Features
10 Overall
24
Olympus E-PM1 vs Pentax E85 Key Specs
(Full Review)
- 12MP - Four Thirds Sensor
- 3" Fixed Display
- ISO 100 - 12800
- Sensor based Image Stabilization
- 1920 x 1080 video
- Micro Four Thirds Mount
- 265g - 110 x 64 x 34mm
- Released November 2011
- Newer Model is Olympus E-PM2
(Full Review)
- 12MP - 1/2.3" Sensor
- 2.7" Fixed Screen
- ISO 80 - 3200
- 640 x 480 video
- 32-96mm (F2.9-5.2) lens
- 145g - 93 x 58 x 24mm
- Released September 2009
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Below is a complete comparison of the Olympus E-PM1 vs Pentax E85, former being a Entry-Level Mirrorless while the latter is a Small Sensor Compact by companies Olympus and Pentax. The resolution of the E-PM1 (12MP) and the E85 (12MP) is pretty similar but the E-PM1 (Four Thirds) and E85 (1/2.3") offer different sensor measurements.
Meta to Introduce 'AI-Generated' Labels for Media starting next monthThe E-PM1 was released 2 years later than the E85 and that is quite a serious difference as far as technology is concerned. Both the cameras feature different body design with the Olympus E-PM1 being a Rangefinder-style mirrorless camera and the Pentax E85 being a Compact camera.
Before diving straight to a more detailed comparison, here is a brief summation of how the E-PM1 matches up vs the E85 in the way of portability, imaging, features and an overall grade.
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Below is a preview of the gallery images for Olympus PEN E-PM1 & Pentax Optio E85. The complete galleries are available at Olympus E-PM1 Gallery & Pentax E85 Gallery.
Reasons to pick Olympus E-PM1 over the Pentax E85
| E-PM1 | E85 | |||
|---|---|---|---|---|
| Released | November 2011 | September 2009 | More recent by 27 months | |
| Manually focus | More exact focusing | |||
| Screen size | 3" | 2.7" | Bigger screen (+0.3") | |
| Screen resolution | 460k | 230k | Sharper screen (+230k dot) |
Reasons to pick Pentax E85 over the Olympus E-PM1
| E85 | E-PM1 |
|---|
Common features in the Olympus E-PM1 and Pentax E85
| E-PM1 | E85 | |||
|---|---|---|---|---|
| Screen type | Fixed | Fixed | Fixed screen | |
| Selfie screen | Neither offers selfie screen | |||
| Touch friendly screen | Neither offers Touch friendly screen |
Olympus E-PM1 vs Pentax E85 Physical Comparison
For anybody who is going to lug around your camera regularly, you need to think about its weight and measurements. The Olympus E-PM1 offers exterior dimensions of 110mm x 64mm x 34mm (4.3" x 2.5" x 1.3") along with a weight of 265 grams (0.58 lbs) while the Pentax E85 has proportions of 93mm x 58mm x 24mm (3.7" x 2.3" x 0.9") with a weight of 145 grams (0.32 lbs).
Look at the Olympus E-PM1 vs Pentax E85 in our brand new Camera & Lens Size Comparison Tool.
Do not forget, the weight of an ILC will change depending on the lens you choose at that moment. Underneath is a front view sizing comparison of the E-PM1 vs the E85.

Looking at dimensions and weight, the portability rating of the E-PM1 and E85 is 89 and 95 respectively.
Olympus E-PM1 vs Pentax E85 Sensor Comparison
Typically, it can be hard to imagine the difference between sensor measurements only by reviewing a spec sheet. The photograph below may give you a more clear sense of the sensor sizes in the E-PM1 and E85.
Clearly, the two cameras come with the identical megapixels albeit different sensor measurements. The E-PM1 contains the bigger sensor which will make getting bokeh less difficult. The younger E-PM1 should have an edge in sensor innovation.
Olympus E-PM1 vs Pentax E85 Screen and ViewFinder
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Olympus E-PM1 vs Pentax E85 Specifications
| Olympus PEN E-PM1 | Pentax Optio E85 | |
|---|---|---|
| General Information | ||
| Company | Olympus | Pentax |
| Model type | Olympus PEN E-PM1 | Pentax Optio E85 |
| Category | Entry-Level Mirrorless | Small Sensor Compact |
| Released | 2011-11-23 | 2009-09-17 |
| Body design | Rangefinder-style mirrorless | Compact |
| Sensor Information | ||
| Powered by | TruePic VI | - |
| Sensor type | CMOS | CCD |
| Sensor size | Four Thirds | 1/2.3" |
| Sensor measurements | 17.3 x 13mm | 6.17 x 4.55mm |
| Sensor area | 224.9mm² | 28.1mm² |
| Sensor resolution | 12MP | 12MP |
| Anti alias filter | ||
| Aspect ratio | 4:3 | 4:3 and 16:9 |
| Peak resolution | 4032 x 3024 | 4000 x 3000 |
| Highest native ISO | 12800 | 3200 |
| Lowest native ISO | 100 | 80 |
| RAW pictures | ||
| Autofocusing | ||
| Focus manually | ||
| Touch focus | ||
| Autofocus continuous | ||
| Autofocus single | ||
| Autofocus tracking | ||
| Autofocus selectice | ||
| Center weighted autofocus | ||
| Multi area autofocus | ||
| Live view autofocus | ||
| Face detect focus | ||
| Contract detect focus | ||
| Phase detect focus | ||
| Total focus points | 35 | - |
| Lens | ||
| Lens support | Micro Four Thirds | fixed lens |
| Lens zoom range | - | 32-96mm (3.0x) |
| Maximum aperture | - | f/2.9-5.2 |
| Macro focusing range | - | 10cm |
| Number of lenses | 107 | - |
| Crop factor | 2.1 | 5.8 |
| Screen | ||
| Display type | Fixed Type | Fixed Type |
| Display size | 3 inch | 2.7 inch |
| Resolution of display | 460k dot | 230k dot |
| Selfie friendly | ||
| Liveview | ||
| Touch operation | ||
| Display tech | HyperCrystal LCD AR(Anti-Reflective) coating | - |
| Viewfinder Information | ||
| Viewfinder | Electronic (optional) | None |
| Features | ||
| Minimum shutter speed | 60 seconds | 2 seconds |
| Fastest shutter speed | 1/4000 seconds | 1/2000 seconds |
| Continuous shutter speed | 6.0 frames/s | 1.0 frames/s |
| Shutter priority | ||
| Aperture priority | ||
| Expose Manually | ||
| Exposure compensation | Yes | - |
| Custom white balance | ||
| Image stabilization | ||
| Integrated flash | ||
| Flash distance | no built-in flash | 3.00 m |
| Flash settings | Auto, On, Off, Red-Eye, Fill-in, Slow Sync, Manual (3 levels) | - |
| Hot shoe | ||
| Auto exposure bracketing | ||
| WB bracketing | ||
| Fastest flash sync | 1/160 seconds | - |
| Exposure | ||
| Multisegment exposure | ||
| Average exposure | ||
| Spot exposure | ||
| Partial exposure | ||
| AF area exposure | ||
| Center weighted exposure | ||
| Video features | ||
| Video resolutions | 1920 x 1080 (60 fps), 1280 x 720 (60, 30 fps), 640 x 480 (30 fps) | 640 x 480 (30 fps), 320 x 240 (30 fps) |
| Highest video resolution | 1920x1080 | 640x480 |
| Video format | AVCHD, Motion JPEG | Motion JPEG |
| Microphone input | ||
| Headphone input | ||
| Connectivity | ||
| Wireless | None | None |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | None | None |
| Physical | ||
| Environment seal | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 265g (0.58 lb) | 145g (0.32 lb) |
| Physical dimensions | 110 x 64 x 34mm (4.3" x 2.5" x 1.3") | 93 x 58 x 24mm (3.7" x 2.3" x 0.9") |
| DXO scores | ||
| DXO Overall rating | 52 | not tested |
| DXO Color Depth rating | 21.0 | not tested |
| DXO Dynamic range rating | 10.3 | not tested |
| DXO Low light rating | 499 | not tested |
| Other | ||
| Battery life | 330 shots | - |
| Battery format | Battery Pack | - |
| Battery ID | BLS-5 | D-LI95 |
| Self timer | Yes (2 or 12 sec) | Yes (2 or 10 sec) |
| Time lapse recording | ||
| Type of storage | SD/SDHC/SDXC | SD/SDHC, Internal |
| Storage slots | Single | Single |
| Pricing at release | $499 | $0 |