Pentax K100D S vs Sony G3
65 Imaging
45 Features
38 Overall
42
94 Imaging
32 Features
30 Overall
31
Pentax K100D S vs Sony G3 Key Specs
(Full Review)
- 6MP - APS-C Sensor
- 2.5" Fixed Display
- ISO 200 - 3200
- Sensor based Image Stabilization
- No Video
- Pentax KAF2 Mount
- 646g - 129 x 91 x 71mm
- Introduced June 2007
- Replaced the Pentax K100D
- Later Model is Pentax K200D
(Full Review)
- 10MP - 1/2.3" Sensor
- 3.5" Fixed Screen
- ISO 80 - 3200
- Optical Image Stabilization
- 640 x 480 video
- 35-140mm (F3.5-10.0) lens
- 185g - 97 x 59 x 22mm
- Launched January 2009
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On this page, we will be reviewing the Pentax K100D S vs Sony G3, one being a Entry-Level DSLR and the latter is a Small Sensor Compact by manufacturers Pentax and Sony. There exists a huge gap between the resolutions of the K100D S (6MP) and G3 (10MP) and the K100D S (APS-C) and G3 (1/2.3") offer totally different sensor sizing.
Photography GlossaryThe K100D S was unveiled 18 months earlier than the G3 which makes them a generation apart from one another. Both of these cameras have different body design with the Pentax K100D S being a Compact SLR camera and the Sony G3 being a Compact camera.
Before going right into a in depth comparison, here is a quick introduction of how the K100D S grades vs the G3 in the way of portability, imaging, features and an overall rating.
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Below is a preview of the gallery images for Pentax K100D Super and Sony Cyber-shot DSC-G3. The full galleries are available at Pentax K100D S Gallery and Sony G3 Gallery.
Reasons to pick Pentax K100D S over the Sony G3
| K100D S | G3 |
|---|
Reasons to pick Sony G3 over the Pentax K100D S
| G3 | K100D S | |||
|---|---|---|---|---|
| Launched | January 2009 |  | June 2007 | Fresher by 18 months |
| Screen dimensions | 3.5" |  | 2.5" | Bigger screen (+1") |
| Screen resolution | 921k |  | 210k | Clearer screen (+711k dot) |
| Touch friendly screen |  | Quickly navigate |
Common features in the Pentax K100D S and Sony G3
| K100D S | G3 | |||
|---|---|---|---|---|
| Manual focus |  | Dial accurate focus | ||
| Screen type | Fixed |  | Fixed | Fixed screen |
| Selfie screen |  | Neither offers selfie screen |
Pentax K100D S vs Sony G3 Physical Comparison
For anyone who is planning to carry your camera often, you're going to have to think about its weight and measurements. The Pentax K100D S offers physical measurements of 129mm x 91mm x 71mm (5.1" x 3.6" x 2.8") and a weight of 646 grams (1.42 lbs) while the Sony G3 has proportions of 97mm x 59mm x 22mm (3.8" x 2.3" x 0.9") having a weight of 185 grams (0.41 lbs).
Look at the Pentax K100D S vs Sony G3 in the latest Camera with Lens Size Comparison Tool.
Keep in mind, the weight of an Interchangeable Lens Camera will differ depending on the lens you are utilising at that moment. Below is a front view proportions comparison of the K100D S and the G3.
Taking into account dimensions and weight, the portability score of the K100D S and G3 is 65 and 94 respectively.
Pentax K100D S vs Sony G3 Sensor Comparison
Typically, it can be hard to envision the gap between sensor sizing just by looking at specs. The visual below should provide you a far better sense of the sensor sizing in the K100D S and G3.
All in all, both cameras have different megapixels and different sensor sizing. The K100D S using its bigger sensor will make achieving shallow DOF simpler and the Sony G3 will give extra detail having an extra 4MP. Higher resolution will enable you to crop pictures a bit more aggressively. The older K100D S is going to be disadvantaged in sensor technology.
Pentax K100D S vs Sony G3 Screen and ViewFinder
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Pentax K100D S vs Sony G3 Specifications
| Pentax K100D Super | Sony Cyber-shot DSC-G3 | |
|---|---|---|
| General Information | ||
| Brand Name | Pentax | Sony |
| Model | Pentax K100D Super | Sony Cyber-shot DSC-G3 |
| Type | Entry-Level DSLR | Small Sensor Compact |
| Introduced | 2007-06-28 | 2009-01-08 |
| Body design | Compact SLR | Compact |
| Sensor Information | ||
| Sensor type | CCD | CCD |
| Sensor size | APS-C | 1/2.3" |
| Sensor dimensions | 23.5 x 15.7mm | 6.17 x 4.55mm |
| Sensor surface area | 369.0mm² | 28.1mm² |
| Sensor resolution | 6 megapixel | 10 megapixel |
| Anti aliasing filter | ||
| Aspect ratio | 3:2 | 4:3, 3:2 and 16:9 |
| Maximum resolution | 3008 x 2008 | 3648 x 2736 |
| Maximum native ISO | 3200 | 3200 |
| Lowest native ISO | 200 | 80 |
| RAW data | ||
| Autofocusing | ||
| Focus manually | ||
| Touch to focus | ||
| Autofocus continuous | ||
| Autofocus single | ||
| Tracking autofocus | ||
| Autofocus selectice | ||
| Center weighted autofocus | ||
| Multi area autofocus | ||
| Live view autofocus | ||
| Face detect autofocus | ||
| Contract detect autofocus | ||
| Phase detect autofocus | ||
| Number of focus points | 11 | 9 |
| Lens | ||
| Lens mounting type | Pentax KAF2 | fixed lens |
| Lens focal range | - | 35-140mm (4.0x) |
| Largest aperture | - | f/3.5-10.0 |
| Amount of lenses | 151 | - |
| Crop factor | 1.5 | 5.8 |
| Screen | ||
| Display type | Fixed Type | Fixed Type |
| Display diagonal | 2.5 inches | 3.5 inches |
| Display resolution | 210k dot | 921k dot |
| Selfie friendly | ||
| Liveview | ||
| Touch friendly | ||
| Viewfinder Information | ||
| Viewfinder type | Optical (pentamirror) | None |
| Viewfinder coverage | 96 percent | - |
| Viewfinder magnification | 0.57x | - |
| Features | ||
| Lowest shutter speed | 30s | 1s |
| Highest shutter speed | 1/4000s | 1/1000s |
| Continuous shooting speed | 3.0 frames per second | 2.0 frames per second |
| Shutter priority | ||
| Aperture priority | ||
| Expose Manually | ||
| Exposure compensation | Yes | - |
| Set white balance | ||
| Image stabilization | ||
| Integrated flash | ||
| Flash range | - | 4.30 m (Auto ISO) |
| Flash options | Auto, On, Off, Red-eye reduction | Auto, On, Off, Red-Eye reduction, Slow Sync |
| External flash | ||
| AEB | ||
| WB bracketing | ||
| Highest flash sync | 1/180s | - |
| Exposure | ||
| Multisegment metering | ||
| Average metering | ||
| Spot metering | ||
| Partial metering | ||
| AF area metering | ||
| Center weighted metering | ||
| Video features | ||
| Supported video resolutions | - | 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps) |
| Maximum video resolution | None | 640x480 |
| Video data format | - | Motion JPEG |
| Mic jack | ||
| Headphone jack | ||
| 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 proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | 646 gr (1.42 pounds) | 185 gr (0.41 pounds) |
| Physical dimensions | 129 x 91 x 71mm (5.1" x 3.6" x 2.8") | 97 x 59 x 22mm (3.8" x 2.3" x 0.9") |
| 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 model | 4 x AA | - |
| Self timer | Yes (2 or 12 sec) | Yes (2 or 10 sec) |
| Time lapse feature | ||
| Storage media | SD/SDHC card | Memory Stick Duo/Pro Duo, Internal |
| Storage slots | 1 | 1 |
| Price at launch | $520 | $200 |