Pentax KF vs Sony A550
63 Imaging
72 Features
81 Overall
75
63 Imaging
54 Features
65 Overall
58
Pentax KF vs Sony A550 Key Specs
(Full Review)
- 24MP - APS-C Sensor
- 3.00" Fully Articulated Display
- ISO 100 - 102400
- Sensor based Image Stabilization
- No Anti-Alias Filter
- 1/6000s Maximum Shutter
- 1920 x 1080 video
- Pentax KAF2 Mount
- 684g - 126 x 93 x 74mm
- Revealed November 2022
- Replaced the Pentax K-70
(Full Review)
- 14MP - APS-C Sensor
- 3" Tilting Display
- ISO 200 - 12800
- Sensor based Image Stabilization
- No Video
- Sony/Minolta Alpha Mount
- 632g - 137 x 104 x 84mm
- Released December 2009
- Succeeded the Sony A100
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Following is a thorough comparison of the Pentax KF versus Sony A550, both Entry-Level DSLR cameras by companies Pentax and Sony. There is a sizable difference among the sensor resolutions of the KF (24MP) and A550 (14MP) but they enjoy the same exact sensor measurements (APS-C).
President Biden pushes bill mandating TikTok sale or banThe KF was unveiled 13 years after the A550 which is a fairly significant difference as far as camera tech is concerned. Each of the cameras offer the identical body type (Compact SLR).
Before getting straight into a comprehensive comparison, below is a concise highlight of how the KF scores vs the A550 when considering portability, imaging, features and an overall score.
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Following is a sample of the gallery pictures for Pentax KF & Sony Alpha DSLR-A550. The full galleries are viewable at Pentax KF Gallery & Sony A550 Gallery.
Reasons to pick Pentax KF over the Sony A550
| KF | A550 | |||
|---|---|---|---|---|
| Released | November 2022 |  | December 2009 | More modern by 158 months |
| Display type | Fully Articulated |  | Tilting | Fully Articulating display |
| Display resolution | 1040k |  | 922k | Crisper display (+118k dot) |
| Selfie screen |  | Easy selfies |
Reasons to pick Sony A550 over the Pentax KF
| A550 | KF |
|---|
Common features in the Pentax KF and Sony A550
| KF | A550 | |||
|---|---|---|---|---|
| Manual focus |  | Dial exact focus | ||
| Display sizing | 3.00" |  | 3" | Equivalent display measurements |
| Touch friendly display |  | Missing Touch friendly display |
Pentax KF vs Sony A550 Physical Comparison
For anybody who is looking to carry around your camera, you'll have to factor in its weight and proportions. The Pentax KF has external dimensions of 126mm x 93mm x 74mm (5.0" x 3.7" x 2.9") having a weight of 684 grams (1.51 lbs) and the Sony A550 has measurements of 137mm x 104mm x 84mm (5.4" x 4.1" x 3.3") and a weight of 632 grams (1.39 lbs).
Contrast the Pentax KF versus Sony A550 in our newest Camera & Lens Size Comparison Tool.
Remember, the weight of an ILC will differ depending on the lens you select at the time. Following is the front view sizing comparison of the KF compared to the A550.
Looking at size and weight, the portability score of the KF and A550 is 63 and 63 respectively.
Pentax KF vs Sony A550 Sensor Comparison
Generally, it's tough to envision the contrast in sensor sizes purely by viewing a spec sheet. The picture below will help give you a greater sense of the sensor dimensions in the KF and A550.
Clearly, both of the cameras offer the same exact sensor sizing but not the same resolution. You can anticipate the Pentax KF to render extra detail having an extra 10 Megapixels. Greater resolution will allow you to crop pics a little more aggressively. The fresher KF is going to have a benefit in sensor innovation.
Pentax KF vs Sony A550 Screen and ViewFinder
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Pentax KF vs Sony A550 Specifications
| Pentax KF | Sony Alpha DSLR-A550 | |
|---|---|---|
| General Information | ||
| Manufacturer | Pentax | Sony |
| Model | Pentax KF | Sony Alpha DSLR-A550 |
| Class | Entry-Level DSLR | Entry-Level DSLR |
| Revealed | 2022-11-09 | 2009-12-09 |
| Physical type | Compact SLR | Compact SLR |
| Sensor Information | ||
| Processor Chip | - | Bionz |
| Sensor type | CMOS | CMOS |
| Sensor size | APS-C | APS-C |
| Sensor measurements | 23.5 x 15.6mm | 23.4 x 15.6mm |
| Sensor surface area | 366.6mm² | 365.0mm² |
| Sensor resolution | 24 megapixels | 14 megapixels |
| Anti aliasing filter | ||
| Aspect ratio | 3:2 | 3:2 and 16:9 |
| Maximum resolution | 6000 x 4000 | 4592 x 3056 |
| Maximum native ISO | 102400 | 12800 |
| Min native ISO | 100 | 200 |
| RAW support | ||
| Autofocusing | ||
| Focus manually | ||
| AF touch | ||
| AF continuous | ||
| Single AF | ||
| AF tracking | ||
| AF selectice | ||
| AF center weighted | ||
| Multi area AF | ||
| Live view AF | ||
| Face detect focusing | ||
| Contract detect focusing | ||
| Phase detect focusing | ||
| Number of focus points | 11 | 9 |
| Cross focus points | 9 | - |
| Lens | ||
| Lens mounting type | Pentax KAF2 | Sony/Minolta Alpha |
| Total lenses | 161 | 143 |
| Focal length multiplier | 1.5 | 1.5 |
| Screen | ||
| Type of display | Fully Articulated | Tilting |
| Display sizing | 3.00 inches | 3 inches |
| Resolution of display | 1,040 thousand dots | 922 thousand dots |
| Selfie friendly | ||
| Liveview | ||
| Touch capability | ||
| Viewfinder Information | ||
| Viewfinder | Optical (pentaprism) | Optical (pentamirror) |
| Viewfinder coverage | 100% | 95% |
| Viewfinder magnification | 0.63x | 0.53x |
| Features | ||
| Lowest shutter speed | 30 secs | 30 secs |
| Highest shutter speed | 1/6000 secs | 1/4000 secs |
| Continuous shooting rate | 6.0fps | 7.0fps |
| 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) | 12.00 m |
| Flash modes | Auto, auto w/redeye reduction, flash on, flash + redeye reduction, slow sync, trailing curtain sync, manual | Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless |
| External flash | ||
| Auto exposure bracketing | ||
| WB bracketing | ||
| Highest flash synchronize | - | 1/160 secs |
| Exposure | ||
| Multisegment exposure | ||
| Average exposure | ||
| Spot exposure | ||
| Partial exposure | ||
| AF area exposure | ||
| Center weighted exposure | ||
| Video features | ||
| Supported video resolutions | 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p) | - |
| Maximum video resolution | 1920x1080 | None |
| Video file format | MPEG-4, H.264 | - |
| Microphone port | ||
| Headphone port | ||
| Connectivity | ||
| Wireless | Built-In | None |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | Optional | None |
| Physical | ||
| Environmental sealing | ||
| Water proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | 684g (1.51 pounds) | 632g (1.39 pounds) |
| Dimensions | 126 x 93 x 74mm (5.0" x 3.7" x 2.9") | 137 x 104 x 84mm (5.4" x 4.1" x 3.3") |
| DXO scores | ||
| DXO All around score | not tested | 66 |
| DXO Color Depth score | not tested | 21.9 |
| DXO Dynamic range score | not tested | 11.8 |
| DXO Low light score | not tested | 807 |
| Other | ||
| Battery life | 410 shots | 480 shots |
| Battery type | Battery Pack | Battery Pack |
| Battery model | D-LI109 | NP-FM500H |
| Self timer | Yes (2 or 12 secs, continuous) | Yes (2 or 10 sec) |
| Time lapse feature | ||
| Storage type | SD/SDHC/SDXC (UHS-I compatible) | SD/ SDHC, Memory Stick Pro Duo/ Pro-HG Duo |
| Card slots | Single | Single |
| Retail cost | $850 | $749 |