Pentax K-7 vs Sony A450
60 Imaging
54 Features
69 Overall
60
65 Imaging
54 Features
52 Overall
53
Pentax K-7 vs Sony A450 Key Specs
(Full Review)
- 15MP - APS-C Sensor
- 3" Fixed Screen
- ISO 100 - 2000 (Boost to 6400)
- Sensor based Image Stabilization
- 1/8000s Maximum Shutter
- 1280 x 720 video
- Pentax KAF2 Mount
- 750g - 131 x 97 x 73mm
- Announced October 2009
- Replacement is Pentax K-5
(Full Review)
- 14MP - APS-C Sensor
- 2.7" Fixed Display
- ISO 200 - 12800
- Sensor based Image Stabilization
- No Video
- Sony/Minolta Alpha Mount
- 560g - 137 x 104 x 81mm
- Introduced January 2010
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On this page, we are reviewing the Pentax K-7 vs Sony A450, one being a Advanced DSLR and the other is a Entry-Level DSLR by manufacturers Pentax and Sony. The resolution of the K-7 (15MP) and the A450 (14MP) is very similar and both cameras offer the same sensor sizing (APS-C).
President Biden pushes bill mandating TikTok sale or banThe K-7 was brought out 3 months earlier than the A450 and they are both of a similar generation. Each of the cameras have different body design with the Pentax K-7 being a Mid-size SLR camera and the Sony A450 being a Compact SLR camera.
Before going into a step-by-step comparison, here is a brief summation of how the K-7 grades versus the A450 with regard to portability, imaging, features and an overall rating.
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Below is a sample of the gallery pics for Pentax K-7 and Sony Alpha DSLR-A450. The entire galleries are viewable at Pentax K-7 Gallery and Sony A450 Gallery.
Reasons to pick Pentax K-7 over the Sony A450
| K-7 | A450 | |||
|---|---|---|---|---|
| Display dimensions | 3" |  | 2.7" | Larger display (+0.3") |
| Display resolution | 921k |  | 230k | Clearer display (+691k dot) |
Reasons to pick Sony A450 over the Pentax K-7
| A450 | K-7 |
|---|
Common features in the Pentax K-7 and Sony A450
| K-7 | A450 | |||
|---|---|---|---|---|
| Introduced | October 2009 |  | January 2010 | Similar generation |
| Focus manually |  | Dial precise focusing | ||
| Display type | Fixed |  | Fixed | Fixed display |
| Selfie screen |  | No selfie screen | ||
| Touch display |  | No Touch display |
Pentax K-7 vs Sony A450 Physical Comparison
For anybody who is looking to carry your camera, you need to consider its weight and measurements. The Pentax K-7 comes with outside dimensions of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") and a weight of 750 grams (1.65 lbs) and the Sony A450 has proportions of 137mm x 104mm x 81mm (5.4" x 4.1" x 3.2") accompanied by a weight of 560 grams (1.23 lbs).
Analyze the Pentax K-7 vs Sony A450 in the latest Camera and Lens Size Comparison Tool.
Always remember, the weight of an Interchangeable Lens Camera will differ depending on the lens you have chosen at that moment. Below is a front view dimensions comparison of the K-7 and the A450.
Factoring in dimensions and weight, the portability rating of the K-7 and A450 is 60 and 65 respectively.
Pentax K-7 vs Sony A450 Sensor Comparison
Sometimes, its hard to envision the contrast between sensor sizing purely by going over specifications. The photograph here will provide you a more clear sense of the sensor dimensions in the K-7 and A450.
Plainly, the 2 cameras have the same sensor dimensions but not the same megapixels. You should expect to see the Pentax K-7 to offer you greater detail having its extra 1MP. Greater resolution will also help you crop photos a bit more aggressively.
Pentax K-7 vs Sony A450 Screen and ViewFinder
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Pentax K-7 vs Sony A450 Specifications
| Pentax K-7 | Sony Alpha DSLR-A450 | |
|---|---|---|
| General Information | ||
| Manufacturer | Pentax | Sony |
| Model type | Pentax K-7 | Sony Alpha DSLR-A450 |
| Category | Advanced DSLR | Entry-Level DSLR |
| Announced | 2009-10-02 | 2010-01-05 |
| Physical type | Mid-size SLR | Compact SLR |
| Sensor Information | ||
| Chip | Prime II | Bionz |
| Sensor type | CMOS | CMOS |
| Sensor size | APS-C | APS-C |
| Sensor measurements | 23.4 x 15.6mm | 23.4 x 15.6mm |
| Sensor area | 365.0mm² | 365.0mm² |
| Sensor resolution | 15 megapixel | 14 megapixel |
| Anti alias filter | ||
| Aspect ratio | 3:2 | 3:2 and 16:9 |
| Full resolution | 4672 x 3104 | 4592 x 3056 |
| Max native ISO | 2000 | 12800 |
| Max boosted ISO | 6400 | - |
| Lowest native ISO | 100 | 200 |
| RAW pictures | ||
| Autofocusing | ||
| Manual focusing | ||
| Touch to focus | ||
| AF continuous | ||
| AF single | ||
| AF tracking | ||
| Selective AF | ||
| Center weighted AF | ||
| Multi area AF | ||
| AF live view | ||
| Face detection focusing | ||
| Contract detection focusing | ||
| Phase detection focusing | ||
| Total focus points | 11 | 9 |
| Lens | ||
| Lens mount type | Pentax KAF2 | Sony/Minolta Alpha |
| Amount of lenses | 151 | 143 |
| Focal length multiplier | 1.5 | 1.5 |
| Screen | ||
| Screen type | Fixed Type | Fixed Type |
| Screen size | 3" | 2.7" |
| Screen resolution | 921 thousand dots | 230 thousand dots |
| Selfie friendly | ||
| Liveview | ||
| Touch capability | ||
| Screen tech | TFT color LCD with AR coating | TFT Clear Photo Color LCD |
| Viewfinder Information | ||
| Viewfinder type | Optical (pentaprism) | Optical (pentamirror) |
| Viewfinder coverage | 100% | 95% |
| Viewfinder magnification | 0.61x | 0.53x |
| Features | ||
| Lowest shutter speed | 30 secs | 30 secs |
| Highest shutter speed | 1/8000 secs | 1/4000 secs |
| Continuous shooting rate | 5.0 frames/s | 7.0 frames/s |
| Shutter priority | ||
| Aperture priority | ||
| Manual mode | ||
| Exposure compensation | Yes | Yes |
| Change WB | ||
| Image stabilization | ||
| Built-in flash | ||
| Flash distance | 13.00 m | 12.00 m (at ISO 100) |
| Flash modes | Auto, On, Off, Red-eye, Slow Sync, Rear Curtain, Wireless | Auto, Fill, Rear Sync, Slow Sync, Wireless/ High Speed Sync |
| External flash | ||
| Auto exposure bracketing | ||
| WB 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 | ||
| Supported video resolutions | 1280 x 720 (30 fps), 1536 x 1024 (30 fps), 640 x 480 (30 fps), 320 x 240 (30 fps) | - |
| Max video resolution | 1280x720 | None |
| Video data format | Motion JPEG | - |
| 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 proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 750 grams (1.65 lb) | 560 grams (1.23 lb) |
| Physical dimensions | 131 x 97 x 73mm (5.2" x 3.8" x 2.9") | 137 x 104 x 81mm (5.4" x 4.1" x 3.2") |
| DXO scores | ||
| DXO All around rating | 61 | 66 |
| DXO Color Depth rating | 22.6 | 21.8 |
| DXO Dynamic range rating | 10.6 | 11.8 |
| DXO Low light rating | 536 | 769 |
| Other | ||
| Battery life | 980 photos | 1050 photos |
| Battery type | Battery Pack | Battery Pack |
| Battery ID | D-LI90 | NP-FM500H |
| Self timer | Yes (2 or 10 sec) | Yes (2 or 10 sec) |
| Time lapse feature | ||
| Storage type | SD/SDHC/MMC | SD/ SDHC, Memory Stick Pro Duo/ Pro-HG Duo |
| Card slots | One | One |
| Launch cost | $599 | $1,241 |