Pentax 645Z vs Pentax Q-S1
49 Imaging
80 Features
74 Overall
77
92 Imaging
38 Features
54 Overall
44
Pentax 645Z vs Pentax Q-S1 Key Specs
(Full Review)
- 51MP - Medium format Sensor
- 3.2" Tilting Display
- ISO 100 - 204800
- No Anti-Alias Filter
- 1920 x 1080 video
- Pentax 645AF2 Mount
- 1550g - 156 x 117 x 123mm
- Revealed April 2014
- Old Model is Pentax 645D
(Full Review)
- 12MP - 1/1.7" Sensor
- 3" Fixed Screen
- ISO 100 - 12800
- Sensor based Image Stabilization
- 1/8000s Max Shutter
- 1920 x 1080 video
- Pentax Q Mount
- 203g - 105 x 58 x 34mm
- Released August 2014
Pentax 17 Pre-Orders Outperform Expectations by a Landslide Pentax 645Z vs Pentax Q-S1 Overview
The following is a in-depth overview of the Pentax 645Z vs Pentax Q-S1, one is a Pro DSLR and the latter is a Entry-Level Mirrorless and both of them are designed by Pentax. There is a huge difference between the image resolutions of the 645Z (51MP) and Q-S1 (12MP) and the 645Z (Medium format) and Q-S1 (1/1.7") provide totally different sensor sizes.
Photography GlossaryThe 645Z was announced 3 months before the Q-S1 so they are of a similar generation. The two cameras have different body design with the Pentax 645Z being a Large SLR camera and the Pentax Q-S1 being a Rangefinder-style mirrorless camera.
Before we go into a step-by-step comparison, here is a short overview of how the 645Z scores versus the Q-S1 in regards to portability, imaging, features and an overall mark.
Sora from OpenAI releases its first ever music video Pentax 645Z vs Pentax Q-S1 Gallery
The following is a preview of the gallery images for Pentax 645Z and Pentax Q-S1. The whole galleries are viewable at Pentax 645Z Gallery and Pentax Q-S1 Gallery.
Reasons to pick Pentax 645Z over the Pentax Q-S1
| 645Z | Q-S1 | |||
|---|---|---|---|---|
| Screen type | Tilting |  | Fixed | Tilting screen |
| Screen dimensions | 3.2" |  | 3" | Bigger screen (+0.2") |
| Screen resolution | 1037k |  | 460k | Clearer screen (+577k dot) |
Reasons to pick Pentax Q-S1 over the Pentax 645Z
| Q-S1 | 645Z |
|---|
Common features in the Pentax 645Z and Pentax Q-S1
| 645Z | Q-S1 | |||
|---|---|---|---|---|
| Released | April 2014 |  | August 2014 | Similar generation |
| Manual focus |  | More exact focus | ||
| Selfie screen |  | Neither features selfie screen | ||
| Touch screen |  | Neither features Touch screen |
Pentax 645Z vs Pentax Q-S1 Physical Comparison
If you are aiming to travel with your camera often, you will need to factor its weight and dimensions. The Pentax 645Z enjoys exterior measurements of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") having a weight of 1550 grams (3.42 lbs) whilst the Pentax Q-S1 has dimensions of 105mm x 58mm x 34mm (4.1" x 2.3" x 1.3") and a weight of 203 grams (0.45 lbs).
See the Pentax 645Z vs Pentax Q-S1 in the latest Camera and Lens Size Comparison Tool.
Keep in mind, the weight of an Interchangeable Lens Camera will vary depending on the lens you are employing at that time. Here is a front view dimension comparison of the 645Z versus the Q-S1.
Considering size and weight, the portability score of the 645Z and Q-S1 is 49 and 92 respectively.
Pentax 645Z vs Pentax Q-S1 Sensor Comparison
Generally, it can be tough to visualise the gap between sensor dimensions only by reading through specifications. The image here should provide you a more clear sense of the sensor measurements in the 645Z and Q-S1.
To sum up, each of these cameras have different megapixels and different sensor dimensions. The 645Z using its bigger sensor will make achieving bokeh simpler and the Pentax 645Z will give more detail with its extra 39 Megapixels. Higher resolution can also help you crop photographs a bit more aggressively.
Pentax 645Z vs Pentax Q-S1 Screen and ViewFinder
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Pentax 645Z vs Pentax Q-S1 Specifications
| Pentax 645Z | Pentax Q-S1 | |
|---|---|---|
| General Information | ||
| Manufacturer | Pentax | Pentax |
| Model | Pentax 645Z | Pentax Q-S1 |
| Type | Pro DSLR | Entry-Level Mirrorless |
| Revealed | 2014-04-15 | 2014-08-04 |
| Body design | Large SLR | Rangefinder-style mirrorless |
| Sensor Information | ||
| Processor | PRIME III | Q Engine |
| Sensor type | CMOS | BSI-CMOS |
| Sensor size | Medium format | 1/1.7" |
| Sensor measurements | 44 x 33mm | 7.44 x 5.58mm |
| Sensor surface area | 1,452.0mm² | 41.5mm² |
| Sensor resolution | 51 megapixels | 12 megapixels |
| Anti aliasing filter | ||
| Aspect ratio | 4:3 | 1:1, 4:3, 3:2 and 16:9 |
| Peak resolution | 8256 x 6192 | 4000 x 3000 |
| Highest native ISO | 204800 | 12800 |
| Minimum native ISO | 100 | 100 |
| RAW support | ||
| Autofocusing | ||
| Focus manually | ||
| AF touch | ||
| Continuous AF | ||
| Single AF | ||
| Tracking AF | ||
| AF selectice | ||
| Center weighted AF | ||
| AF multi area | ||
| Live view AF | ||
| Face detect AF | ||
| Contract detect AF | ||
| Phase detect AF | ||
| Number of focus points | 27 | - |
| Lens | ||
| Lens mounting type | Pentax 645AF2 | Pentax Q |
| Available lenses | 6 | 8 |
| Crop factor | 0.8 | 4.8 |
| Screen | ||
| Display type | Tilting | Fixed Type |
| Display size | 3.2 inches | 3 inches |
| Display resolution | 1,037k dot | 460k dot |
| Selfie friendly | ||
| Liveview | ||
| Touch capability | ||
| Viewfinder Information | ||
| Viewfinder type | Optical (pentaprism) | None |
| Viewfinder coverage | 98 percent | - |
| Viewfinder magnification | 0.85x | - |
| Features | ||
| Minimum shutter speed | 30 seconds | 30 seconds |
| Fastest shutter speed | 1/4000 seconds | 1/8000 seconds |
| Continuous shutter speed | 3.0 frames per sec | 5.0 frames per sec |
| Shutter priority | ||
| Aperture priority | ||
| Manual exposure | ||
| Exposure compensation | Yes | Yes |
| Change WB | ||
| Image stabilization | ||
| Inbuilt flash | ||
| Flash range | no built-in flash | 4.90 m (at ISO 100) |
| Flash modes | Flash On, Flash On+Red-eye Reduction, Slow-speed Sync, Slow-speed Sync+Red-eye, P-TTL, Trailing Curtain Sync, contrast-control-sync, high-speed sync, wireless sync | Auto, redeye reduction, slow sync, trailing curtain sync |
| Hot shoe | ||
| AEB | ||
| White balance bracketing | ||
| Fastest flash sync | 1/125 seconds | - |
| 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) | 1920 x 1080 (30,25, 24p), 1280 x 720 (30, 25, 24p), 640 x 480 (30, 25, 24p) |
| Highest video resolution | 1920x1080 | 1920x1080 |
| Video format | MPEG-4, H.264 | MPEG-4, H.264 |
| Microphone jack | ||
| Headphone jack | ||
| 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 seal | ||
| Water proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | 1550 grams (3.42 pounds) | 203 grams (0.45 pounds) |
| Physical dimensions | 156 x 117 x 123mm (6.1" x 4.6" x 4.8") | 105 x 58 x 34mm (4.1" x 2.3" x 1.3") |
| DXO scores | ||
| DXO Overall score | 101 | not tested |
| DXO Color Depth score | 26.0 | not tested |
| DXO Dynamic range score | 14.7 | not tested |
| DXO Low light score | 4505 | not tested |
| Other | ||
| Battery life | 650 photographs | 250 photographs |
| Style of battery | Battery Pack | Battery Pack |
| Battery model | D-LI90 | D-LI68 |
| Self timer | Yes (2 or 10 secs) | Yes (2 or 12 sec) |
| Time lapse recording | ||
| Storage media | Dual SD/SDHC/SDXC slots | SD/SDHC/SDXC card |
| Storage slots | 2 | One |
| Pricing at release | $5,024 | $250 |