Pentax KF vs Sony A57
63 Imaging
72 Features
81 Overall
75
64 Imaging
57 Features
85 Overall
68
Pentax KF vs Sony A57 Key Specs
(Full Review)
- 24MP - APS-C Sensor
- 3.00" Fully Articulated Screen
- ISO 100 - 102400
- Sensor based Image Stabilization
- No Anti-Alias Filter
- 1/6000s Max Shutter
- 1920 x 1080 video
- Pentax KAF2 Mount
- 684g - 126 x 93 x 74mm
- Announced November 2022
- Replaced the Pentax K-70
(Full Review)
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Here is a complete review of the Pentax KF and Sony A57, both Entry-Level DSLR cameras by competitors Pentax and Sony. There exists a considerable gap among the resolutions of the KF (24MP) and A57 (16MP) but both cameras provide the same sensor measurements (APS-C).
Snapchat Adds Watermarks to AI-Created ImagesThe KF was brought out 10 years later than the A57 and that is a fairly large difference as far as camera technology is concerned. Both of the cameras have the same body design (Compact SLR).
Before getting straight to a full comparison, here is a brief summary of how the KF scores vs the A57 in terms of portability, imaging, features and an overall rating.
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This is a preview of the gallery images for Pentax KF & Sony SLT-A57. The entire galleries are viewable at Pentax KF Gallery & Sony A57 Gallery.
Reasons to pick Pentax KF over the Sony A57
| KF | A57 | |||
|---|---|---|---|---|
| Introduced | November 2022 |  | September 2012 | Fresher by 124 months |
| Screen resolution | 1040k |  | 921k | Crisper screen (+119k dot) |
Reasons to pick Sony A57 over the Pentax KF
| A57 | KF |
|---|
Common features in the Pentax KF and Sony A57
| KF | A57 | |||
|---|---|---|---|---|
| Manually focus |  | More accurate focusing | ||
| Screen type | Fully Articulated |  | Fully Articulated | Fully Articulated screen |
| Screen dimensions | 3.00" |  | 3" | Equal screen measurements |
| Selfie screen |  | Both are selfie friendly | ||
| Touch screen |  | Neither comes with Touch screen |
Pentax KF vs Sony A57 Physical Comparison
For anybody who is aiming to carry your camera, you'll have to think about its weight and proportions. The Pentax KF comes with outer dimensions of 126mm x 93mm x 74mm (5.0" x 3.7" x 2.9") and a weight of 684 grams (1.51 lbs) while the Sony A57 has measurements of 132mm x 98mm x 81mm (5.2" x 3.9" x 3.2") along with a weight of 618 grams (1.36 lbs).
Check the Pentax KF and Sony A57 in our completely new Camera plus Lens Size Comparison Tool.
Remember, the weight of an ILC will differ depending on the lens you are utilising during that time. The following is a front view dimensions comparison of the KF vs the A57.
Taking into account dimensions and weight, the portability grade of the KF and A57 is 63 and 64 respectively.
Pentax KF vs Sony A57 Sensor Comparison
Normally, it's hard to imagine the gap in sensor sizing purely by seeing technical specs. The photograph underneath may offer you a much better sense of the sensor dimensions in the KF and A57.
As you can tell, each of these cameras have the same sensor dimensions albeit different megapixels. You can expect the Pentax KF to provide greater detail having its extra 8MP. Higher resolution can also make it easier to crop photographs a bit more aggressively. The more modern KF should have a benefit when it comes to sensor tech.
Pentax KF vs Sony A57 Screen and ViewFinder
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Pentax KF vs Sony A57 Specifications
| Pentax KF | Sony SLT-A57 | |
|---|---|---|
| General Information | ||
| Make | Pentax | Sony |
| Model | Pentax KF | Sony SLT-A57 |
| Category | Entry-Level DSLR | Entry-Level DSLR |
| Announced | 2022-11-09 | 2012-09-13 |
| Body design | Compact SLR | Compact SLR |
| Sensor Information | ||
| Sensor type | CMOS | CMOS |
| Sensor size | APS-C | APS-C |
| Sensor dimensions | 23.5 x 15.6mm | 23.5 x 15.6mm |
| Sensor surface area | 366.6mm² | 366.6mm² |
| Sensor resolution | 24 megapixels | 16 megapixels |
| Anti aliasing filter | ||
| Aspect ratio | 3:2 | 3:2 and 16:9 |
| Highest resolution | 6000 x 4000 | 4912 x 3264 |
| Highest native ISO | 102400 | 16000 |
| Highest boosted ISO | - | 25600 |
| Min native ISO | 100 | 100 |
| RAW files | ||
| Autofocusing | ||
| Focus manually | ||
| Touch focus | ||
| Autofocus continuous | ||
| Single autofocus | ||
| Autofocus tracking | ||
| Autofocus selectice | ||
| Center weighted autofocus | ||
| Multi area autofocus | ||
| Live view autofocus | ||
| Face detection autofocus | ||
| Contract detection autofocus | ||
| Phase detection autofocus | ||
| Number of focus points | 11 | 15 |
| Cross focus points | 9 | 3 |
| Lens | ||
| Lens mounting type | Pentax KAF2 | Sony/Minolta Alpha |
| Total lenses | 161 | 143 |
| Crop factor | 1.5 | 1.5 |
| Screen | ||
| Range of screen | Fully Articulated | Fully Articulated |
| Screen size | 3.00 inches | 3 inches |
| Screen resolution | 1,040 thousand dot | 921 thousand dot |
| Selfie friendly | ||
| Liveview | ||
| Touch operation | ||
| Screen technology | - | Xtra Fine TFT drive with TruBlack technology |
| Viewfinder Information | ||
| Viewfinder | Optical (pentaprism) | Electronic |
| Viewfinder resolution | - | 1,440 thousand dot |
| Viewfinder coverage | 100% | 100% |
| Viewfinder magnification | 0.63x | 0.7x |
| Features | ||
| Lowest shutter speed | 30 secs | 30 secs |
| Highest shutter speed | 1/6000 secs | 1/4000 secs |
| Continuous shooting speed | 6.0fps | 12.0fps |
| Shutter priority | ||
| Aperture priority | ||
| Manually set exposure | ||
| Exposure compensation | Yes | Yes |
| Set white balance | ||
| Image stabilization | ||
| Built-in flash | ||
| Flash range | 12.00 m (at ISO 100) | 10.00 m (@ ISO 100) |
| Flash settings | 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 sync | - | 1/160 secs |
| Exposure | ||
| Multisegment | ||
| Average | ||
| Spot | ||
| Partial | ||
| AF area | ||
| Center weighted | ||
| Video features | ||
| Supported video resolutions | 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p) | 1920 x 1080 (60p, 24p), 1440 x 1080 (30p), 640 x 480 (30 fps) |
| Highest video resolution | 1920x1080 | 1920x1080 |
| Video data format | MPEG-4, H.264 | MPEG-4, AVCHD, H.264 |
| Mic input | ||
| Headphone input | ||
| Connectivity | ||
| Wireless | Built-In | Eye-Fi Connected |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | Optional | None |
| Physical | ||
| Environment seal | ||
| Water proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | 684 grams (1.51 lbs) | 618 grams (1.36 lbs) |
| Physical dimensions | 126 x 93 x 74mm (5.0" x 3.7" x 2.9") | 132 x 98 x 81mm (5.2" x 3.9" x 3.2") |
| DXO scores | ||
| DXO All around score | not tested | 75 |
| DXO Color Depth score | not tested | 23.4 |
| DXO Dynamic range score | not tested | 13.0 |
| DXO Low light score | not tested | 785 |
| Other | ||
| Battery life | 410 photographs | 550 photographs |
| Battery format | 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 recording | ||
| Storage media | SD/SDHC/SDXC (UHS-I compatible) | SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo |
| Storage slots | Single | Single |
| Pricing at launch | $850 | $1,000 |