Pentax 645D vs Pentax Q-S1
50 Imaging
76 Features
52 Overall
66
92 Imaging
38 Features
54 Overall
44
Pentax 645D vs Pentax Q-S1 Key Specs
(Full Review)
- 40MP - Medium format Sensor
- 3" Fixed Display
- ISO 200 - 1600
- No Anti-Alias Filter
- No Video
- Pentax 645AF2 Mount
- 1480g - 156 x 117 x 119mm
- Introduced March 2010
- Successor is Pentax 645Z
(Full Review)
- 12MP - 1/1.7" Sensor
- 3" Fixed Screen
- ISO 100 - 12800
- Sensor based Image Stabilization
- 1/8000s Maximum Shutter
- 1920 x 1080 video
- Pentax Q Mount
- 203g - 105 x 58 x 34mm
- Released August 2014
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Following is a in-depth analysis of the Pentax 645D versus Pentax Q-S1, former is a Pro DSLR while the latter is a Entry-Level Mirrorless and they are both created by Pentax. There exists a substantial gap among the resolutions of the 645D (40MP) and Q-S1 (12MP) and the 645D (Medium format) and Q-S1 (1/1.7") feature totally different sensor sizes.
Sora from OpenAI releases its first ever music videoThe 645D was brought out 5 years earlier than the Q-S1 which is a fairly big difference as far as camera technology is concerned. Both the cameras offer different body type with the Pentax 645D being a Large SLR camera and the Pentax Q-S1 being a Rangefinder-style mirrorless camera.
Before diving in to a complete comparison, below is a brief introduction of how the 645D matches up vs the Q-S1 with regard to portability, imaging, features and an overall score.
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Below is a preview of the gallery photos for Pentax 645D & Pentax Q-S1. The entire galleries are provided at Pentax 645D Gallery & Pentax Q-S1 Gallery.
Reasons to pick Pentax 645D over the Pentax Q-S1
| 645D | Q-S1 | |||
|---|---|---|---|---|
| Screen resolution | 921k |  | 460k | Sharper screen (+461k dot) |
Reasons to pick Pentax Q-S1 over the Pentax 645D
| Q-S1 | 645D | |||
|---|---|---|---|---|
| Released | August 2014 |  | March 2010 | More modern by 53 months |
Common features in the Pentax 645D and Pentax Q-S1
| 645D | Q-S1 | |||
|---|---|---|---|---|
| Manual focus |  | Very exact focusing | ||
| Screen type | Fixed |  | Fixed | Fixed screen |
| Screen sizing | 3" |  | 3" | Equivalent screen dimensions |
| Selfie screen |  | Lack of selfie screen | ||
| Touch screen |  | Neither comes with Touch screen |
Pentax 645D vs Pentax Q-S1 Physical Comparison
For anybody who is going to carry around your camera regularly, you need to factor its weight and volume. The Pentax 645D comes with outside dimensions of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") having a weight of 1480 grams (3.26 lbs) whilst the Pentax Q-S1 has sizing of 105mm x 58mm x 34mm (4.1" x 2.3" x 1.3") having a weight of 203 grams (0.45 lbs).
Analyze the Pentax 645D versus Pentax Q-S1 in our brand new Camera & Lens Size Comparison Tool.
Remember that, the weight of an ILC will change dependant on the lens you select at that moment. Below is the front view dimensions comparison of the 645D against the Q-S1.
Taking into consideration dimensions and weight, the portability grade of the 645D and Q-S1 is 50 and 92 respectively.
Pentax 645D vs Pentax Q-S1 Sensor Comparison
Normally, it's hard to see the gap in sensor sizes merely by going through specifications. The pic underneath might give you a better sense of the sensor dimensions in the 645D and Q-S1.
To sum up, both cameras offer different megapixels and different sensor sizes. The 645D because of its bigger sensor will make achieving shallower DOF less difficult and the Pentax 645D will provide greater detail having its extra 28MP. Higher resolution will let you crop photographs a little more aggressively. The more aged 645D will be behind when it comes to sensor technology.
Pentax 645D vs Pentax Q-S1 Screen and ViewFinder
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Pentax 645D vs Pentax Q-S1 Specifications
| Pentax 645D | Pentax Q-S1 | |
|---|---|---|
| General Information | ||
| Make | Pentax | Pentax |
| Model | Pentax 645D | Pentax Q-S1 |
| Type | Pro DSLR | Entry-Level Mirrorless |
| Introduced | 2010-03-10 | 2014-08-04 |
| Body design | Large SLR | Rangefinder-style mirrorless |
| Sensor Information | ||
| Processor Chip | Prime II | Q Engine |
| Sensor type | CCD | BSI-CMOS |
| Sensor size | Medium format | 1/1.7" |
| Sensor dimensions | 44 x 33mm | 7.44 x 5.58mm |
| Sensor area | 1,452.0mm² | 41.5mm² |
| Sensor resolution | 40MP | 12MP |
| Anti aliasing filter | ||
| Aspect ratio | 4:3 | 1:1, 4:3, 3:2 and 16:9 |
| Maximum resolution | 7264 x 5440 | 4000 x 3000 |
| Maximum native ISO | 1600 | 12800 |
| Minimum native ISO | 200 | 100 |
| RAW photos | ||
| Minimum boosted ISO | 100 | - |
| Autofocusing | ||
| Manual focus | ||
| Touch to focus | ||
| Continuous autofocus | ||
| Autofocus single | ||
| Autofocus tracking | ||
| Selective autofocus | ||
| Center weighted autofocus | ||
| Autofocus multi area | ||
| Autofocus live view | ||
| Face detect focus | ||
| Contract detect focus | ||
| Phase detect focus | ||
| Number of focus points | 11 | - |
| Lens | ||
| Lens mount | Pentax 645AF2 | Pentax Q |
| Total lenses | 6 | 8 |
| Crop factor | 0.8 | 4.8 |
| Screen | ||
| Display type | Fixed Type | Fixed Type |
| Display diagonal | 3 inch | 3 inch |
| Resolution of display | 921 thousand dot | 460 thousand dot |
| Selfie friendly | ||
| Liveview | ||
| Touch operation | ||
| Display technology | TFT Color LCD with wide-viewing angle and with AR coating | - |
| Viewfinder Information | ||
| Viewfinder type | Optical (pentaprism) | None |
| Viewfinder coverage | 98% | - |
| Viewfinder magnification | 0.85x | - |
| Features | ||
| Slowest shutter speed | 30s | 30s |
| Maximum shutter speed | 1/4000s | 1/8000s |
| Continuous shooting speed | 1.0fps | 5.0fps |
| Shutter priority | ||
| Aperture priority | ||
| Manual exposure | ||
| Exposure compensation | Yes | Yes |
| Set white balance | ||
| Image stabilization | ||
| Integrated flash | ||
| Flash range | no built-in flash | 4.90 m (at ISO 100) |
| Flash modes | Auto, On, Off, Red-eye, Slow Sync, Rear Curtain | Auto, redeye reduction, slow sync, trailing curtain sync |
| External flash | ||
| AEB | ||
| White balance bracketing | ||
| Maximum flash sync | 1/125s | - |
| Exposure | ||
| Multisegment exposure | ||
| Average exposure | ||
| Spot exposure | ||
| Partial exposure | ||
| AF area exposure | ||
| Center weighted exposure | ||
| Video features | ||
| Video resolutions | - | 1920 x 1080 (30,25, 24p), 1280 x 720 (30, 25, 24p), 640 x 480 (30, 25, 24p) |
| Maximum video resolution | None | 1920x1080 |
| Video file format | - | MPEG-4, H.264 |
| Mic jack | ||
| Headphone jack | ||
| Connectivity | ||
| Wireless | None | None |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | None | None |
| Physical | ||
| Environment seal | ||
| Water proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | 1480 gr (3.26 lb) | 203 gr (0.45 lb) |
| Dimensions | 156 x 117 x 119mm (6.1" x 4.6" x 4.7") | 105 x 58 x 34mm (4.1" x 2.3" x 1.3") |
| DXO scores | ||
| DXO All around score | 82 | not tested |
| DXO Color Depth score | 24.6 | not tested |
| DXO Dynamic range score | 12.6 | not tested |
| DXO Low light score | 1262 | not tested |
| Other | ||
| Battery life | 800 pictures | 250 pictures |
| Type of battery | Battery Pack | Battery Pack |
| Battery model | D-LI90 | D-LI68 |
| Self timer | Yes (2 or 10 sec) | Yes (2 or 12 sec) |
| Time lapse shooting | ||
| Type of storage | SD/SDHC | SD/SDHC/SDXC card |
| Storage slots | Two | Single |
| Retail price | $4,000 | $250 |