Pentax K-3 vs Pentax K-7
59 Imaging
65 Features
85 Overall
73
60 Imaging
54 Features
69 Overall
60
Pentax K-3 vs Pentax K-7 Key Specs
(Full Review)
- 24MP - APS-C Sensor
- 3.2" Fixed Screen
- ISO 100 - 51200
- Sensor based Image Stabilization
- No Anti-Alias Filter
- 1/8000s Max Shutter
- 1920 x 1080 video
- Pentax KAF2 Mount
- 800g - 131 x 100 x 77mm
- Introduced April 2014
- Successor is Pentax K-3 II
(Full Review)
- 15MP - APS-C Sensor
- 3" Fixed Screen
- ISO 100 - 2000 (Increase to 6400)
- Sensor based Image Stabilization
- 1/8000s Maximum Shutter
- 1280 x 720 video
- Pentax KAF2 Mount
- 750g - 131 x 97 x 73mm
- Introduced October 2009
- Refreshed by Pentax K-5
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Below is a extended overview of the Pentax K-3 vs Pentax K-7, both Advanced DSLR digital cameras and they are both designed by Pentax. There exists a noticeable gap between the sensor resolutions of the K-3 (24MP) and K-7 (15MP) but both cameras offer the same sensor size (APS-C).
Sora from OpenAI releases its first ever music videoThe K-3 was brought out 4 years later than the K-7 and that is quite a sizable difference as far as technology is concerned. Both cameras have the same body design (Mid-size SLR).
Before diving right into a in-depth comparison, here is a simple synopsis of how the K-3 scores vs the K-7 when considering portability, imaging, features and an overall grade.
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Following is a preview of the gallery images for Pentax K-3 & Pentax K-7. The entire galleries are available at Pentax K-3 Gallery & Pentax K-7 Gallery.
Reasons to pick Pentax K-3 over the Pentax K-7
| K-3 | K-7 | |||
|---|---|---|---|---|
| Introduced | April 2014 |  | October 2009 | More recent by 56 months |
| Screen dimensions | 3.2" |  | 3" | Bigger screen (+0.2") |
| Screen resolution | 1037k |  | 921k | Clearer screen (+116k dot) |
Reasons to pick Pentax K-7 over the Pentax K-3
| K-7 | K-3 |
|---|
Common features in the Pentax K-3 and Pentax K-7
| K-3 | K-7 | |||
|---|---|---|---|---|
| Manual focus |  | Dial precise focusing | ||
| Screen type | Fixed |  | Fixed | Fixed screen |
| Selfie screen |  | Neither has selfie screen | ||
| Touch friendly screen |  | Absent Touch friendly screen |
Pentax K-3 vs Pentax K-7 Physical Comparison
For those who are aiming to lug around your camera often, you are going to need to think about its weight and volume. The Pentax K-3 has outer measurements of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") having a weight of 800 grams (1.76 lbs) whilst the Pentax K-7 has sizing of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") and a weight of 750 grams (1.65 lbs).
Look at the Pentax K-3 vs Pentax K-7 in our brand new Camera & Lens Size Comparison Tool.
Remember, the weight of an ILC will vary dependant on the lens you are using at that moment. Here is a front view dimension comparison of the K-3 and the K-7.
Looking at dimensions and weight, the portability grade of the K-3 and K-7 is 59 and 60 respectively.
Pentax K-3 vs Pentax K-7 Sensor Comparison
Typically, it can be hard to see the difference between sensor measurements only by reviewing a spec sheet. The visual underneath will help offer you a better sense of the sensor sizing in the K-3 and K-7.
Clearly, each of these cameras have the same sensor dimensions albeit not the same resolution. You can expect the Pentax K-3 to offer extra detail having its extra 9MP. Higher resolution will make it easier to crop photographs a bit more aggressively. The newer K-3 will have an advantage when it comes to sensor technology.
Pentax K-3 vs Pentax K-7 Screen and ViewFinder
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Pentax K-3 vs Pentax K-7 Specifications
| Pentax K-3 | Pentax K-7 | |
|---|---|---|
| General Information | ||
| Company | Pentax | Pentax |
| Model | Pentax K-3 | Pentax K-7 |
| Category | Advanced DSLR | Advanced DSLR |
| Introduced | 2014-04-10 | 2009-10-02 |
| Physical type | Mid-size SLR | Mid-size SLR |
| Sensor Information | ||
| Processor Chip | Prime III | Prime II |
| Sensor type | CMOS | CMOS |
| Sensor size | APS-C | APS-C |
| Sensor dimensions | 23.5 x 15.6mm | 23.4 x 15.6mm |
| Sensor surface area | 366.6mm² | 365.0mm² |
| Sensor resolution | 24 megapixel | 15 megapixel |
| Anti aliasing filter | ||
| Aspect ratio | 3:2 | 3:2 |
| Max resolution | 6016 x 4000 | 4672 x 3104 |
| Max native ISO | 51200 | 2000 |
| Max enhanced ISO | - | 6400 |
| Lowest native ISO | 100 | 100 |
| RAW files | ||
| Autofocusing | ||
| Focus manually | ||
| AF touch | ||
| AF continuous | ||
| Single AF | ||
| Tracking AF | ||
| AF selectice | ||
| AF center weighted | ||
| Multi area AF | ||
| Live view AF | ||
| Face detection focusing | ||
| Contract detection focusing | ||
| Phase detection focusing | ||
| Number of focus points | 27 | 11 |
| Cross focus points | 25 | - |
| Lens | ||
| Lens mounting type | Pentax KAF2 | Pentax KAF2 |
| Total lenses | 151 | 151 |
| Crop factor | 1.5 | 1.5 |
| Screen | ||
| Type of screen | Fixed Type | Fixed Type |
| Screen diagonal | 3.2" | 3" |
| Screen resolution | 1,037 thousand dots | 921 thousand dots |
| Selfie friendly | ||
| Liveview | ||
| Touch operation | ||
| Screen technology | TFT LCD monitor | TFT color LCD with AR coating |
| Viewfinder Information | ||
| Viewfinder type | Optical (pentaprism) | Optical (pentaprism) |
| Viewfinder coverage | 100% | 100% |
| Viewfinder magnification | 0.64x | 0.61x |
| Features | ||
| Minimum shutter speed | 30s | 30s |
| Fastest shutter speed | 1/8000s | 1/8000s |
| Continuous shutter rate | 8.0 frames/s | 5.0 frames/s |
| Shutter priority | ||
| Aperture priority | ||
| Manually set exposure | ||
| Exposure compensation | Yes | Yes |
| Change WB | ||
| Image stabilization | ||
| Inbuilt flash | ||
| Flash range | 13.00 m (at ISO 100) | 13.00 m |
| Flash modes | Auto, on, off, red-eye, slow sync, slow sync + red-eye, trailing curtain sync, high speed, wireless, manual | Auto, On, Off, Red-eye, Slow Sync, Rear Curtain, Wireless |
| Hot shoe | ||
| AEB | ||
| WB bracketing | ||
| Fastest flash synchronize | 1/180s | 1/180s |
| 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, 30p, 25p, 24p) | 1280 x 720 (30 fps), 1536 x 1024 (30 fps), 640 x 480 (30 fps), 320 x 240 (30 fps) |
| Max video resolution | 1920x1080 | 1280x720 |
| Video data format | MPEG-4, H.264 | Motion JPEG |
| Mic support | ||
| Headphone support | ||
| Connectivity | ||
| Wireless | None | None |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 3.0 (5 GBit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | Optional | None |
| Physical | ||
| Environment sealing | ||
| Water proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | 800 gr (1.76 lb) | 750 gr (1.65 lb) |
| Physical dimensions | 131 x 100 x 77mm (5.2" x 3.9" x 3.0") | 131 x 97 x 73mm (5.2" x 3.8" x 2.9") |
| DXO scores | ||
| DXO Overall score | 80 | 61 |
| DXO Color Depth score | 23.7 | 22.6 |
| DXO Dynamic range score | 13.4 | 10.6 |
| DXO Low light score | 1216 | 536 |
| Other | ||
| Battery life | 560 photos | 980 photos |
| Form of battery | Battery Pack | Battery Pack |
| Battery model | D-LI90 | D-LI90 |
| Self timer | Yes ( 2 or 12 seconds) | Yes (2 or 10 sec) |
| Time lapse feature | ||
| Storage type | Dual SD/SDHC/SDXC | SD/SDHC/MMC |
| Card slots | 2 | One |
| Pricing at release | $639 | $599 |