Olympus E-1 vs Pentax K-1 II
59 Imaging
37 Features
36 Overall
36
55 Imaging
77 Features
82 Overall
79
Olympus E-1 vs Pentax K-1 II Key Specs
(Full Review)
- 5MP - Four Thirds Sensor
- 1.8" Fixed Display
- ISO 100 - 3200
- No Video
- Micro Four Thirds Mount
- 735g - 141 x 104 x 81mm
- Released November 2003
- Replacement is Olympus E-3
(Full Review)
- 36MP - Full frame Sensor
- 3.2" Fully Articulated Display
- ISO 100 - 819200
- Sensor based 5-axis Image Stabilization
- No Anti-Alias Filter
- 1/8000s Maximum Shutter
- 1920 x 1080 video
- Pentax KAF4 Mount
- 1010g - 137 x 110 x 86mm
- Announced February 2018
- Replaced the Pentax K-1
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Here is a in-depth review of the Olympus E-1 vs Pentax K-1 II, former being a Pro DSLR while the other is a Advanced DSLR by companies Olympus and Pentax. There exists a considerable gap between the image resolutions of the E-1 (5MP) and K-1 II (36MP) and the E-1 (Four Thirds) and K-1 II (Full frame) boast totally different sensor sizing.
Samsung Releases Faster Versions of EVO MicroSD CardsThe E-1 was brought out 15 years earlier than the K-1 II and that is quite a large difference as far as technology is concerned. Each of the cameras feature different body design with the Olympus E-1 being a Large SLR camera and the Pentax K-1 II being a Mid-size SLR camera.
Before diving right into a complete comparison, here is a simple highlight of how the E-1 grades vs the K-1 II when considering portability, imaging, features and an overall rating.
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This is a sample of the gallery pictures for Olympus E-1 & Pentax K-1 Mark II. The entire galleries are viewable at Olympus E-1 Gallery & Pentax K-1 II Gallery.
Reasons to pick Olympus E-1 over the Pentax K-1 II
| E-1 | K-1 II |
|---|
Reasons to pick Pentax K-1 II over the Olympus E-1
| K-1 II | E-1 | |||
|---|---|---|---|---|
| Announced | February 2018 | November 2003 | Fresher by 173 months | |
| Display type | Fully Articulated | Fixed | Fully Articulating display | |
| Display size | 3.2" | 1.8" | Larger display (+1.4") | |
| Display resolution | 1037k | 134k | Crisper display (+903k dot) |
Common features in the Olympus E-1 and Pentax K-1 II
| E-1 | K-1 II | |||
|---|---|---|---|---|
| Focus manually | More accurate focusing | |||
| Selfie screen | Neither contains selfie screen | |||
| Touch display | Neither contains Touch display |
Olympus E-1 vs Pentax K-1 II Physical Comparison
If you're intending to carry your camera often, you're going to have to factor in its weight and measurements. The Olympus E-1 has got exterior measurements of 141mm x 104mm x 81mm (5.6" x 4.1" x 3.2") with a weight of 735 grams (1.62 lbs) whilst the Pentax K-1 II has proportions of 137mm x 110mm x 86mm (5.4" x 4.3" x 3.4") accompanied by a weight of 1010 grams (2.23 lbs).
Compare the Olympus E-1 vs Pentax K-1 II in our brand new Camera plus Lens Size Comparison Tool.
Always remember, the weight of an ILC will vary depending on the lens you choose at that moment. Here is a front view proportions comparison of the E-1 versus the K-1 II.

Taking into account dimensions and weight, the portability rating of the E-1 and K-1 II is 59 and 55 respectively.
Olympus E-1 vs Pentax K-1 II Sensor Comparison
Quite often, it is very tough to envision the gap between sensor sizing only by reading through technical specs. The visual below should give you a far better sense of the sensor sizing in the E-1 and K-1 II.
As you have seen, both cameras come with different megapixel count and different sensor sizing. The E-1 because of its tinier sensor will make getting bokeh more challenging and the Pentax K-1 II will give more detail having its extra 31 Megapixels. Greater resolution can also enable you to crop pics a good deal more aggressively. The older E-1 is going to be behind when it comes to sensor tech.
Olympus E-1 vs Pentax K-1 II Screen and ViewFinder
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Olympus E-1 vs Pentax K-1 II Specifications
| Olympus E-1 | Pentax K-1 Mark II | |
|---|---|---|
| General Information | ||
| Make | Olympus | Pentax |
| Model | Olympus E-1 | Pentax K-1 Mark II |
| Type | Pro DSLR | Advanced DSLR |
| Released | 2003-11-29 | 2018-02-22 |
| Body design | Large SLR | Mid-size SLR |
| Sensor Information | ||
| Powered by | - | PRIME IV |
| Sensor type | CCD | CMOS |
| Sensor size | Four Thirds | Full frame |
| Sensor dimensions | 17.3 x 13mm | 35.9 x 24mm |
| Sensor surface area | 224.9mm² | 861.6mm² |
| Sensor resolution | 5 megapixel | 36 megapixel |
| Anti aliasing filter | ||
| Aspect ratio | 4:3 | 3:2 |
| Highest resolution | 2560 x 1920 | 7360 x 4912 |
| Highest native ISO | 3200 | 819200 |
| Minimum native ISO | 100 | 100 |
| RAW support | ||
| Autofocusing | ||
| Focus manually | ||
| AF touch | ||
| AF continuous | ||
| AF single | ||
| AF tracking | ||
| AF selectice | ||
| AF center weighted | ||
| Multi area AF | ||
| Live view AF | ||
| Face detect AF | ||
| Contract detect AF | ||
| Phase detect AF | ||
| Number of focus points | 3 | 33 |
| Cross focus points | - | 25 |
| Lens | ||
| Lens mounting type | Micro Four Thirds | Pentax KAF4 |
| Number of lenses | 45 | 151 |
| Focal length multiplier | 2.1 | 1 |
| Screen | ||
| Display type | Fixed Type | Fully Articulated |
| Display size | 1.8 inches | 3.2 inches |
| Resolution of display | 134 thousand dot | 1,037 thousand dot |
| Selfie friendly | ||
| Liveview | ||
| Touch functionality | ||
| Viewfinder Information | ||
| Viewfinder type | Optical (pentaprism) | Optical (pentaprism) |
| Viewfinder coverage | 100% | 100% |
| Viewfinder magnification | 0.48x | 0.7x |
| Features | ||
| Slowest shutter speed | 60s | 30s |
| Maximum shutter speed | 1/4000s | 1/8000s |
| Continuous shooting speed | 3.0 frames/s | 4.4 frames/s |
| Shutter priority | ||
| Aperture priority | ||
| Manual exposure | ||
| Exposure compensation | Yes | Yes |
| Set WB | ||
| Image stabilization | ||
| Inbuilt flash | ||
| Flash range | no built-in flash | no built-in flash |
| Flash modes | Auto, Auto FP, Manual, Red-Eye | Auto Flash Discharge, Auto Flash + Red-eye Reduction, Flash On, Flash On + Red-eye Reduction, Slow-speed Sync, Slow-speed Sync + Red-eye, P-TTL, Trailing Curtain Sync, Contrast-control-sync, High-speed sync, Wireless sync |
| Hot shoe | ||
| AEB | ||
| WB bracketing | ||
| Maximum flash sync | 1/180s | 1/200s |
| Exposure | ||
| Multisegment | ||
| Average | ||
| Spot | ||
| Partial | ||
| AF area | ||
| Center weighted | ||
| Video features | ||
| Supported video resolutions | - | 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p) |
| Highest video resolution | None | 1920x1080 |
| Video file format | - | MPEG-4, H.264 |
| Mic jack | ||
| Headphone jack | ||
| Connectivity | ||
| Wireless | None | Auto Flash Discharge, Auto Flash + Red-eye Reduction, Flash On, Flash On + Red-eye Reduction, Slow-speed Sync, Slow-speed Sync + Red-eye, P-TTL, Trailing Curtain Sync, Contrast-control-sync, High-speed sync, Wireless sync |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | None | Built-in |
| Physical | ||
| Environmental seal | ||
| Water proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | 735g (1.62 pounds) | 1010g (2.23 pounds) |
| Physical dimensions | 141 x 104 x 81mm (5.6" x 4.1" x 3.2") | 137 x 110 x 86mm (5.4" x 4.3" x 3.4") |
| DXO scores | ||
| DXO All around score | not tested | not tested |
| DXO Color Depth score | not tested | not tested |
| DXO Dynamic range score | not tested | not tested |
| DXO Low light score | not tested | not tested |
| Other | ||
| Battery life | - | 670 photographs |
| Form of battery | - | Battery Pack |
| Battery model | - | D-LI90 |
| Self timer | Yes (2 or 12 sec) | Yes (2 or 12 sec, custom) |
| Time lapse shooting | ||
| Storage media | Compact Flash (Type I or II) | Dual SD/SDHC/SDXC (UHS-I) |
| Storage slots | One | 2 |
| Retail cost | $1,700 | $1,737 |