Olympus E-420 vs Pentax K100D S
77 Imaging
44 Features
36 Overall
40
65 Imaging
45 Features
38 Overall
42
Olympus E-420 vs Pentax K100D S Key Specs
(Full Review)
- 10MP - Four Thirds Sensor
- 2.7" Fixed Screen
- ISO 100 - 1600
- No Video
- Micro Four Thirds Mount
- 426g - 130 x 91 x 53mm
- Introduced June 2008
- Previous Model is Olympus E-410
(Full Review)
- 6MP - APS-C Sensor
- 2.5" Fixed Screen
- ISO 200 - 3200
- Sensor based Image Stabilization
- No Video
- Pentax KAF2 Mount
- 646g - 129 x 91 x 71mm
- Revealed June 2007
- Old Model is Pentax K100D
- New Model is Pentax K200D
Meta to Introduce 'AI-Generated' Labels for Media starting next month Olympus E-420 vs Pentax K100D S Overview
Following is a complete review of the Olympus E-420 and Pentax K100D S, both Entry-Level DSLR digital cameras by companies Olympus and Pentax. There is a noticeable difference between the sensor resolutions of the E-420 (10MP) and K100D S (6MP) and the E-420 (Four Thirds) and K100D S (APS-C) posses different sensor dimensions.
Apple Innovates by Creating Next-Level Optical Stabilization for iPhoneThe E-420 was released 13 months after the K100D S which makes them a generation away from each other. Each of the cameras feature the same body design (Compact SLR).
Before delving right into a step-by-step comparison, here is a quick overview of how the E-420 scores against the K100D S with regard to portability, imaging, features and an overall score.
Photobucket discusses licensing 13 billion images with AI firms Olympus E-420 vs Pentax K100D S Gallery
Following is a preview of the gallery photos for Olympus E-420 & Pentax K100D Super. The complete galleries are viewable at Olympus E-420 Gallery & Pentax K100D S Gallery.
Reasons to pick Olympus E-420 over the Pentax K100D S
| E-420 | K100D S | |||
|---|---|---|---|---|
| Revealed | June 2008 | June 2007 | More modern by 13 months | |
| Screen size | 2.7" | 2.5" | Bigger screen (+0.2") | |
| Screen resolution | 230k | 210k | Sharper screen (+20k dot) |
Reasons to pick Pentax K100D S over the Olympus E-420
| K100D S | E-420 |
|---|
Common features in the Olympus E-420 and Pentax K100D S
| E-420 | K100D S | |||
|---|---|---|---|---|
| Focus manually | Dial accurate focusing | |||
| Screen type | Fixed | Fixed | Fixed screen | |
| Selfie screen | Absent selfie screen | |||
| Touch friendly screen | Absent Touch friendly screen |
Olympus E-420 vs Pentax K100D S Physical Comparison
If you're planning to carry around your camera often, you should take into account its weight and measurements. The Olympus E-420 offers outside dimensions of 130mm x 91mm x 53mm (5.1" x 3.6" x 2.1") with a weight of 426 grams (0.94 lbs) and the Pentax K100D S has proportions of 129mm x 91mm x 71mm (5.1" x 3.6" x 2.8") along with a weight of 646 grams (1.42 lbs).
Analyze the Olympus E-420 and Pentax K100D S in our brand new Camera & Lens Size Comparison Tool.
Remember that, the weight of an ILC will change dependant on the lens you are utilizing at that moment. Here is a front view dimensions comparison of the E-420 compared to the K100D S.

Looking at size and weight, the portability score of the E-420 and K100D S is 77 and 65 respectively.
Olympus E-420 vs Pentax K100D S Sensor Comparison
Oftentimes, its hard to visualize the difference between sensor sizes simply by reading a spec sheet. The picture here should provide you a better sense of the sensor dimensions in the E-420 and K100D S.
As you can see, the two cameras feature different resolutions and different sensor sizes. The E-420 because of its tinier sensor is going to make shooting shallow depth of field harder and the Olympus E-420 will offer you more detail as a result of its extra 4MP. Higher resolution can also make it easier to crop pictures way more aggressively. The younger E-420 should have a benefit with regard to sensor technology.
Olympus E-420 vs Pentax K100D S Screen and ViewFinder
Snapchat Adds Watermarks to AI-Created Images Photography Type Scores
Portrait Comparison
Sora from OpenAI releases its first ever music videoStreet Comparison
Pentax 17 Pre-Orders Outperform Expectations by a LandslideSports Comparison
Photography GlossaryTravel Comparison
Japan-exclusive Leica Leitz Phone 3 features big sensor and new modesLandscape Comparison
Samsung Releases Faster Versions of EVO MicroSD CardsVlogging Comparison
President Biden pushes bill mandating TikTok sale or ban
Olympus E-420 vs Pentax K100D S Specifications
| Olympus E-420 | Pentax K100D Super | |
|---|---|---|
| General Information | ||
| Manufacturer | Olympus | Pentax |
| Model | Olympus E-420 | Pentax K100D Super |
| Class | Entry-Level DSLR | Entry-Level DSLR |
| Introduced | 2008-06-23 | 2007-06-28 |
| Body design | Compact SLR | Compact SLR |
| Sensor Information | ||
| Chip | TruePic III | - |
| Sensor type | CMOS | CCD |
| Sensor size | Four Thirds | APS-C |
| Sensor measurements | 17.3 x 13mm | 23.5 x 15.7mm |
| Sensor area | 224.9mm² | 369.0mm² |
| Sensor resolution | 10MP | 6MP |
| Anti aliasing filter | ||
| Aspect ratio | 4:3 | 3:2 |
| Maximum resolution | 3648 x 2736 | 3008 x 2008 |
| Maximum native ISO | 1600 | 3200 |
| Minimum native ISO | 100 | 200 |
| RAW files | ||
| Autofocusing | ||
| Manual focus | ||
| AF touch | ||
| AF continuous | ||
| AF single | ||
| AF tracking | ||
| Selective AF | ||
| AF center weighted | ||
| Multi area AF | ||
| AF live view | ||
| Face detection AF | ||
| Contract detection AF | ||
| Phase detection AF | ||
| Number of focus points | 3 | 11 |
| Lens | ||
| Lens mount | Micro Four Thirds | Pentax KAF2 |
| Amount of lenses | 45 | 151 |
| Focal length multiplier | 2.1 | 1.5 |
| Screen | ||
| Range of screen | Fixed Type | Fixed Type |
| Screen size | 2.7 inches | 2.5 inches |
| Screen resolution | 230 thousand dot | 210 thousand dot |
| Selfie friendly | ||
| Liveview | ||
| Touch function | ||
| Viewfinder Information | ||
| Viewfinder | Optical (pentamirror) | Optical (pentamirror) |
| Viewfinder coverage | 95% | 96% |
| Viewfinder magnification | 0.46x | 0.57x |
| Features | ||
| Lowest shutter speed | 60 seconds | 30 seconds |
| Highest shutter speed | 1/4000 seconds | 1/4000 seconds |
| Continuous shooting speed | 4.0 frames/s | 3.0 frames/s |
| Shutter priority | ||
| Aperture priority | ||
| Manually set exposure | ||
| Exposure compensation | Yes | Yes |
| Custom WB | ||
| Image stabilization | ||
| Integrated flash | ||
| Flash range | 12.00 m (at ISO 100) | - |
| Flash modes | Auto, Auto FP, Manual, Red-Eye | Auto, On, Off, Red-eye reduction |
| Hot shoe | ||
| AE bracketing | ||
| WB bracketing | ||
| Highest flash sync | 1/180 seconds | 1/180 seconds |
| Exposure | ||
| Multisegment exposure | ||
| Average exposure | ||
| Spot exposure | ||
| Partial exposure | ||
| AF area exposure | ||
| Center weighted exposure | ||
| Video features | ||
| Maximum video resolution | None | None |
| 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 | ||
| Environmental seal | ||
| Water proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | 426 grams (0.94 lb) | 646 grams (1.42 lb) |
| Physical dimensions | 130 x 91 x 53mm (5.1" x 3.6" x 2.1") | 129 x 91 x 71mm (5.1" x 3.6" x 2.8") |
| DXO scores | ||
| DXO All around score | 56 | not tested |
| DXO Color Depth score | 21.5 | not tested |
| DXO Dynamic range score | 10.4 | not tested |
| DXO Low light score | 527 | not tested |
| Other | ||
| Battery life | 500 photos | - |
| Battery format | Battery Pack | - |
| Battery model | - | 4 x AA |
| Self timer | Yes (2 or 12 sec) | Yes (2 or 12 sec) |
| Time lapse shooting | ||
| Storage media | Compact Flash (Type I or II), xD Picture Card | SD/SDHC card |
| Storage slots | Single | Single |
| Cost at launch | $999 | $520 |