Pentax K100D vs Sony A390
64 Imaging
45 Features
36 Overall
41
66 Imaging
54 Features
54 Overall
54
Pentax K100D vs Sony A390 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
- Announced December 2006
- New Model is Pentax K100D S
(Full Review)
- 14MP - APS-C Sensor
- 2.7" Tilting Screen
- ISO 100 - 3200
- Sensor based Image Stabilization
- No Video
- Sony/Minolta Alpha Mount
- 549g - 128 x 97 x 86mm
- Revealed July 2010
- Earlier Model is Sony A380
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Its time to look a bit more closely at the Pentax K100D and Sony A390, both Entry-Level DSLR digital cameras by brands Pentax and Sony. There exists a big gap between the image resolutions of the K100D (6MP) and A390 (14MP) but both cameras offer the identical sensor measurements (APS-C).
Sora from OpenAI releases its first ever music videoThe K100D was unveiled 4 years before the A390 and that is quite a big gap as far as technology is concerned. Both cameras feature the same body design (Compact SLR).
Before going into a full comparison, here is a simple overview of how the K100D scores vs the A390 in regards to portability, imaging, features and an overall grade.
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Following is a preview of the gallery photos for Pentax K100D and Sony Alpha DSLR-A390. The full galleries are viewable at Pentax K100D Gallery and Sony A390 Gallery.
Reasons to pick Pentax K100D over the Sony A390
| K100D | A390 |
|---|
Reasons to pick Sony A390 over the Pentax K100D
| A390 | K100D | |||
|---|---|---|---|---|
| Revealed | July 2010 |  | December 2006 | More recent by 44 months |
| Screen type | Tilting |  | Fixed | Tilting screen |
| Screen size | 2.7" |  | 2.5" | Bigger screen (+0.2") |
| Screen resolution | 230k |  | 210k | Clearer screen (+20k dot) |
Common features in the Pentax K100D and Sony A390
| K100D | A390 | |||
|---|---|---|---|---|
| Manually focus |  | Very accurate focus | ||
| Selfie screen |  | Missing selfie screen | ||
| Touch screen |  | Neither offers Touch screen |
Pentax K100D vs Sony A390 Physical Comparison
If you are going to lug around your camera frequently, you'll need to factor its weight and volume. The Pentax K100D offers physical dimensions of 129mm x 93mm x 70mm (5.1" x 3.7" x 2.8") and a weight of 660 grams (1.46 lbs) while the Sony A390 has sizing of 128mm x 97mm x 86mm (5.0" x 3.8" x 3.4") accompanied by a weight of 549 grams (1.21 lbs).
Look at the Pentax K100D and Sony A390 in the all new Camera and Lens Size Comparison Tool.
Remember that, the weight of an Interchangeable Lens Camera will vary based on the lens you have during that time. The following is a front view scale comparison of the K100D compared to the A390.
Using dimensions and weight, the portability grade of the K100D and A390 is 64 and 66 respectively.
Pentax K100D vs Sony A390 Sensor Comparison
Quite often, its hard to visualize the difference between sensor measurements just by reading through specifications. The photograph underneath will offer you a greater sense of the sensor sizes in the K100D and A390.
To sum up, the two cameras feature the identical sensor size albeit different megapixels. You should count on the Sony A390 to resolve more detail having an extra 8MP. Higher resolution will allow you to crop shots way more aggressively. The older K100D is going to be disadvantaged when it comes to sensor innovation.
Pentax K100D vs Sony A390 Screen and ViewFinder
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Pentax K100D vs Sony A390 Specifications
| Pentax K100D | Sony Alpha DSLR-A390 | |
|---|---|---|
| General Information | ||
| Brand | Pentax | Sony |
| Model | Pentax K100D | Sony Alpha DSLR-A390 |
| Type | Entry-Level DSLR | Entry-Level DSLR |
| Announced | 2006-12-03 | 2010-07-28 |
| Physical type | Compact SLR | Compact SLR |
| Sensor Information | ||
| Chip | - | Bionz |
| Sensor type | CCD | CCD |
| Sensor size | APS-C | APS-C |
| Sensor measurements | 23.5 x 15.7mm | 23.5 x 15.7mm |
| Sensor surface area | 369.0mm² | 369.0mm² |
| Sensor resolution | 6MP | 14MP |
| Anti aliasing filter | ||
| Aspect ratio | 3:2 | 3:2 and 16:9 |
| Maximum resolution | 3008 x 2008 | 4592 x 3056 |
| Maximum native ISO | 3200 | 3200 |
| Min native ISO | 200 | 100 |
| RAW format | ||
| Autofocusing | ||
| Focus manually | ||
| AF touch | ||
| Continuous AF | ||
| AF single | ||
| AF tracking | ||
| AF selectice | ||
| Center weighted AF | ||
| AF multi area | ||
| Live view AF | ||
| Face detection focusing | ||
| Contract detection focusing | ||
| Phase detection focusing | ||
| Number of focus points | 11 | 9 |
| Lens | ||
| Lens mount | Pentax KAF | Sony/Minolta Alpha |
| Amount of lenses | 151 | 143 |
| Focal length multiplier | 1.5 | 1.5 |
| Screen | ||
| Type of screen | Fixed Type | Tilting |
| Screen diagonal | 2.5 inches | 2.7 inches |
| Screen resolution | 210k dots | 230k dots |
| Selfie friendly | ||
| Liveview | ||
| Touch capability | ||
| Viewfinder Information | ||
| Viewfinder | Optical (pentamirror) | Optical (pentamirror) |
| Viewfinder coverage | 96 percent | 95 percent |
| Viewfinder magnification | 0.57x | 0.49x |
| Features | ||
| Lowest shutter speed | 30 secs | 30 secs |
| Highest shutter speed | 1/4000 secs | 1/4000 secs |
| Continuous shooting rate | 3.0 frames/s | 3.0 frames/s |
| Shutter priority | ||
| Aperture priority | ||
| Expose Manually | ||
| Exposure compensation | Yes | Yes |
| Set WB | ||
| Image stabilization | ||
| Built-in flash | ||
| Flash range | - | 10.00 m (at ISO 100) |
| Flash options | Auto, On, Off, Red-eye reduction | Auto, On, Off, Red-Eye, Slow Sync, Rear Curtain, Wireless |
| Hot shoe | ||
| AEB | ||
| White balance bracketing | ||
| Highest flash synchronize | 1/180 secs | 1/160 secs |
| Exposure | ||
| Multisegment metering | ||
| Average metering | ||
| Spot metering | ||
| Partial metering | ||
| AF area metering | ||
| Center weighted metering | ||
| Video features | ||
| Maximum video resolution | None | None |
| 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 | 660 grams (1.46 lbs) | 549 grams (1.21 lbs) |
| Physical dimensions | 129 x 93 x 70mm (5.1" x 3.7" x 2.8") | 128 x 97 x 86mm (5.0" x 3.8" x 3.4") |
| DXO scores | ||
| DXO All around score | not tested | 66 |
| DXO Color Depth score | not tested | 22.5 |
| DXO Dynamic range score | not tested | 11.5 |
| DXO Low light score | not tested | 607 |
| Other | ||
| Battery life | - | 230 shots |
| Style of battery | - | Battery Pack |
| Battery model | 4 x AA | NP-FH50 |
| Self timer | Yes (2 or 12 sec) | Yes (2 or 10 sec) |
| Time lapse recording | ||
| Type of storage | SD/MMC card | SD/ SDHC, Memory Stick Pro Duo |
| Card slots | Single | Single |
| Price at launch | $0 | $500 |