Pentax K100D vs Sony NEX-5
64 Imaging
44 Features
36 Overall
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89 Imaging
53 Features
58 Overall
55
Pentax K100D vs Sony NEX-5 Key Specs
(Full Review)
- 6MP - APS-C Sensor
- 2.5" Fixed Screen
- ISO 200 - 3200
- Sensor based Image Stabilization
- No Video
- Pentax KAF Mount
- 660g - 129 x 93 x 70mm
- Released December 2006
- Later Model is Pentax K100D S
(Full Review)
- 14MP - APS-C Sensor
- 3" Tilting Display
- ISO 200 - 12800
- 1920 x 1080 video
- Sony E Mount
- 287g - 111 x 59 x 38mm
- Launched June 2010
- Later Model is Sony NEX-5N
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On this page, we are evaluating the Pentax K100D versus Sony NEX-5, former is a Entry-Level DSLR while the other is a Entry-Level Mirrorless by rivals Pentax and Sony. There exists a large gap between the sensor resolutions of the K100D (6MP) and NEX-5 (14MP) but both cameras posses the same sensor sizing (APS-C).
Photography GlossaryThe K100D was released 4 years prior to the NEX-5 which is quite a serious difference as far as technology is concerned. Both of these cameras have different body design with the Pentax K100D being a Compact SLR camera and the Sony NEX-5 being a Rangefinder-style mirrorless camera.
Before getting right into a more detailed comparison, here is a quick introduction of how the K100D matches up against the NEX-5 for portability, imaging, features and an overall mark.
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Below is a sample of the gallery pics for Pentax K100D & Sony Alpha NEX-5. The complete galleries are viewable at Pentax K100D Gallery & Sony NEX-5 Gallery.
Reasons to pick Pentax K100D over the Sony NEX-5
| K100D | NEX-5 |
|---|
Reasons to pick Sony NEX-5 over the Pentax K100D
| NEX-5 | K100D | |||
|---|---|---|---|---|
| Launched | June 2010 | December 2006 | Newer by 42 months | |
| Display type | Tilting | Fixed | Tilting display | |
| Display dimensions | 3" | 2.5" | Larger display (+0.5") | |
| Display resolution | 920k | 210k | Clearer display (+710k dot) |
Common features in the Pentax K100D and Sony NEX-5
| K100D | NEX-5 | |||
|---|---|---|---|---|
| Manual focus | Dial accurate focusing | |||
| Selfie screen | Absent selfie screen | |||
| Touch display | Absent Touch display |
Pentax K100D vs Sony NEX-5 Physical Comparison
For those who are intending to travel with your camera, you should take into account its weight and size. The Pentax K100D comes with external dimensions of 129mm x 93mm x 70mm (5.1" x 3.7" x 2.8") along with a weight of 660 grams (1.46 lbs) and the Sony NEX-5 has specifications of 111mm x 59mm x 38mm (4.4" x 2.3" x 1.5") having a weight of 287 grams (0.63 lbs).
Look at the Pentax K100D versus Sony NEX-5 in our newest Camera plus Lens Size Comparison Tool.
Bear in mind, the weight of an ILC will change depending on the lens you use at the time. Following is a front view proportions comparison of the K100D versus the NEX-5.

Considering dimensions and weight, the portability score of the K100D and NEX-5 is 64 and 89 respectively.
Pentax K100D vs Sony NEX-5 Sensor Comparison
Quite often, it is tough to envision the contrast between sensor dimensions just by reviewing specifications. The pic here should give you a more clear sense of the sensor sizes in the K100D and NEX-5.
Plainly, the two cameras have the same sensor dimensions but not the same megapixels. You can expect to see the Sony NEX-5 to offer you greater detail as a result of its extra 8 Megapixels. Greater resolution will help you crop images a bit more aggressively. The more aged K100D is going to be disadvantaged in sensor technology.
Pentax K100D vs Sony NEX-5 Screen and ViewFinder
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Pentax K100D vs Sony NEX-5 Specifications
| Pentax K100D | Sony Alpha NEX-5 | |
|---|---|---|
| General Information | ||
| Brand Name | Pentax | Sony |
| Model | Pentax K100D | Sony Alpha NEX-5 |
| Category | Entry-Level DSLR | Entry-Level Mirrorless |
| Released | 2006-12-03 | 2010-06-07 |
| Physical type | Compact SLR | Rangefinder-style mirrorless |
| Sensor Information | ||
| Processor Chip | - | Bionz |
| Sensor type | CCD | CMOS |
| Sensor size | APS-C | APS-C |
| Sensor measurements | 23.5 x 15.7mm | 23.4 x 15.6mm |
| Sensor surface area | 369.0mm² | 365.0mm² |
| Sensor resolution | 6MP | 14MP |
| Anti aliasing filter | ||
| Aspect ratio | 3:2 | 3:2 and 16:9 |
| Full resolution | 3008 x 2008 | 4592 x 3056 |
| Max native ISO | 3200 | 12800 |
| Min native ISO | 200 | 200 |
| RAW images | ||
| Autofocusing | ||
| Focus manually | ||
| Touch to focus | ||
| Continuous autofocus | ||
| Autofocus single | ||
| Autofocus tracking | ||
| Autofocus selectice | ||
| Center weighted autofocus | ||
| Autofocus multi area | ||
| Live view autofocus | ||
| Face detection focus | ||
| Contract detection focus | ||
| Phase detection focus | ||
| Number of focus points | 11 | 25 |
| Lens | ||
| Lens mounting type | Pentax KAF | Sony E |
| Total lenses | 151 | 121 |
| Focal length multiplier | 1.5 | 1.5 |
| Screen | ||
| Screen type | Fixed Type | Tilting |
| Screen diagonal | 2.5" | 3" |
| Resolution of screen | 210 thousand dots | 920 thousand dots |
| Selfie friendly | ||
| Liveview | ||
| Touch operation | ||
| Viewfinder Information | ||
| Viewfinder type | Optical (pentamirror) | None |
| Viewfinder coverage | 96% | - |
| Viewfinder magnification | 0.57x | - |
| Features | ||
| Lowest shutter speed | 30s | 30s |
| Highest shutter speed | 1/4000s | 1/4000s |
| Continuous shooting rate | 3.0 frames per sec | 7.0 frames per sec |
| Shutter priority | ||
| Aperture priority | ||
| Expose Manually | ||
| Exposure compensation | Yes | Yes |
| Custom white balance | ||
| Image stabilization | ||
| Built-in flash | ||
| Flash range | - | 12.00 m |
| Flash options | Auto, On, Off, Red-eye reduction | Auto, On, Off, Red-Eye, Slow Sync, Rear Curtain, Fill-in |
| External flash | ||
| AEB | ||
| WB bracketing | ||
| Highest flash synchronize | 1/180s | 1/160s |
| Exposure | ||
| Multisegment | ||
| Average | ||
| Spot | ||
| Partial | ||
| AF area | ||
| Center weighted | ||
| Video features | ||
| Supported video resolutions | - | 1920 x 1080 (60 fps), 1440 x 1080 (30 fps), 640 x 480 (30 fps) |
| Max video resolution | None | 1920x1080 |
| Video data format | - | AVCHD |
| Microphone port | ||
| Headphone port | ||
| 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 sealing | ||
| Water proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | 660g (1.46 lbs) | 287g (0.63 lbs) |
| Physical dimensions | 129 x 93 x 70mm (5.1" x 3.7" x 2.8") | 111 x 59 x 38mm (4.4" x 2.3" x 1.5") |
| DXO scores | ||
| DXO All around score | not tested | 69 |
| DXO Color Depth score | not tested | 22.2 |
| DXO Dynamic range score | not tested | 12.2 |
| DXO Low light score | not tested | 796 |
| Other | ||
| Battery life | - | 330 pictures |
| Form of battery | - | Battery Pack |
| Battery model | 4 x AA | NPFW50 |
| Self timer | Yes (2 or 12 sec) | Yes (2 or 10 sec, 10sec (3 images)) |
| Time lapse shooting | ||
| Storage type | SD/MMC card | SD/ SDHC/SDXC, Memory Stick Pro Duo/ Pro-HG Duo |
| Card slots | 1 | 1 |
| Pricing at launch | $0 | $599 |