Pentax 645Z vs Sony A58
49 Imaging
80 Features
74 Overall
77
68 Imaging
62 Features
72 Overall
66
Pentax 645Z vs Sony A58 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
- Launched April 2014
- Old Model is Pentax 645D
(Full Review)
- 20MP - APS-C Sensor
- 2.7" Tilting Display
- ISO 100 - 16000 (Push to 25600)
- Sensor based Image Stabilization
- 1920 x 1080 video
- Sony/Minolta Alpha Mount
- 492g - 129 x 95 x 78mm
- Launched November 2013
- Superseded the Sony A57
Pentax 17 Pre-Orders Outperform Expectations by a Landslide Pentax 645Z vs Sony A58 Overview
Following is a detailed comparison of the Pentax 645Z vs Sony A58, former is a Pro DSLR while the other is a Entry-Level DSLR by manufacturers Pentax and Sony. There is a sizable difference between the sensor resolutions of the 645Z (51MP) and A58 (20MP) and the 645Z (Medium format) and A58 (APS-C) feature different sensor sizes.
Meta to Introduce 'AI-Generated' Labels for Media starting next monthThe 645Z was unveiled 5 months after the A58 and they are of a similar age. Each of these cameras offer different body type with the Pentax 645Z being a Large SLR camera and the Sony A58 being a Compact SLR camera.
Before going in to a step-by-step comparison, below is a concise view of how the 645Z matches up versus the A58 in regards to portability, imaging, features and an overall score.
Photography Glossary Pentax 645Z vs Sony A58 Gallery
The following is a sample of the gallery pics for Pentax 645Z & Sony SLT-A58. The full galleries are provided at Pentax 645Z Gallery & Sony A58 Gallery.
Reasons to pick Pentax 645Z over the Sony A58
| 645Z | A58 | |||
|---|---|---|---|---|
| Display sizing | 3.2" |  | 2.7" | Larger display (+0.5") |
| Display resolution | 1037k |  | 460k | Crisper display (+577k dot) |
Reasons to pick Sony A58 over the Pentax 645Z
| A58 | 645Z |
|---|
Common features in the Pentax 645Z and Sony A58
| 645Z | A58 | |||
|---|---|---|---|---|
| Launched | April 2014 |  | November 2013 | Similar age |
| Focus manually |  | Dial accurate focus | ||
| Display type | Tilting |  | Tilting | Tilting display |
| Selfie screen |  | Neither provides selfie screen | ||
| Touch friendly display |  | Neither provides Touch friendly display |
Pentax 645Z vs Sony A58 Physical Comparison
In case you're looking to carry around your camera frequently, you're going to have to factor in its weight and size. The Pentax 645Z provides outer dimensions of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") and a weight of 1550 grams (3.42 lbs) and the Sony A58 has specifications of 129mm x 95mm x 78mm (5.1" x 3.7" x 3.1") accompanied by a weight of 492 grams (1.08 lbs).
Compare the Pentax 645Z vs Sony A58 in our brand new Camera plus Lens Size Comparison Tool.
Remember that, the weight of an ILC will vary based on the lens you are utilizing during that time. Here is the front view dimension comparison of the 645Z compared to the A58.
Factoring in size and weight, the portability score of the 645Z and A58 is 49 and 68 respectively.
Pentax 645Z vs Sony A58 Sensor Comparison
Oftentimes, it is very difficult to visualize the gap between sensor sizes purely by reading through specs. The pic below will help give you a better sense of the sensor sizes in the 645Z and A58.
All in all, both of the cameras enjoy different megapixel count and different sensor sizes. The 645Z with its larger sensor is going to make getting shallow depth of field easier and the Pentax 645Z will give you more detail having an extra 31MP. Greater resolution will let you crop photos far more aggressively.
Pentax 645Z vs Sony A58 Screen and ViewFinder
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Pentax 645Z vs Sony A58 Specifications
| Pentax 645Z | Sony SLT-A58 | |
|---|---|---|
| General Information | ||
| Make | Pentax | Sony |
| Model | Pentax 645Z | Sony SLT-A58 |
| Category | Pro DSLR | Entry-Level DSLR |
| Launched | 2014-04-15 | 2013-11-27 |
| Physical type | Large SLR | Compact SLR |
| Sensor Information | ||
| Chip | PRIME III | - |
| Sensor type | CMOS | CMOS |
| Sensor size | Medium format | APS-C |
| Sensor dimensions | 44 x 33mm | 23.2 x 15.4mm |
| Sensor area | 1,452.0mm² | 357.3mm² |
| Sensor resolution | 51MP | 20MP |
| Anti aliasing filter | ||
| Aspect ratio | 4:3 | - |
| Max resolution | 8256 x 6192 | 5456 x 3632 |
| Max native ISO | 204800 | 16000 |
| Max enhanced ISO | - | 25600 |
| Minimum native ISO | 100 | 100 |
| RAW support | ||
| Autofocusing | ||
| Manual focus | ||
| AF touch | ||
| AF continuous | ||
| AF single | ||
| AF tracking | ||
| Selective AF | ||
| AF center weighted | ||
| Multi area AF | ||
| AF live view | ||
| Face detect AF | ||
| Contract detect AF | ||
| Phase detect AF | ||
| Number of focus points | 27 | 15 |
| Cross focus points | - | 3 |
| Lens | ||
| Lens mounting type | Pentax 645AF2 | Sony/Minolta Alpha |
| Amount of lenses | 6 | 143 |
| Focal length multiplier | 0.8 | 1.6 |
| Screen | ||
| Display type | Tilting | Tilting |
| Display size | 3.2" | 2.7" |
| Resolution of display | 1,037k dots | 460k dots |
| Selfie friendly | ||
| Liveview | ||
| Touch friendly | ||
| Viewfinder Information | ||
| Viewfinder | Optical (pentaprism) | Electronic |
| Viewfinder resolution | - | 1,440k dots |
| Viewfinder coverage | 98 percent | 100 percent |
| Viewfinder magnification | 0.85x | 0.65x |
| Features | ||
| Min shutter speed | 30 secs | 30 secs |
| Max shutter speed | 1/4000 secs | 1/4000 secs |
| Continuous shutter rate | 3.0 frames per second | 8.0 frames per second |
| Shutter priority | ||
| Aperture priority | ||
| Manually set exposure | ||
| Exposure compensation | Yes | Yes |
| Set WB | ||
| Image stabilization | ||
| Integrated flash | ||
| Flash range | no built-in flash | 10.00 m (@ ISO 100) |
| Flash options | 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 | - |
| External flash | ||
| AE bracketing | ||
| WB bracketing | ||
| Max flash synchronize | 1/125 secs | 1/160 secs |
| Exposure | ||
| Multisegment metering | ||
| Average metering | ||
| Spot metering | ||
| Partial metering | ||
| AF area metering | ||
| Center weighted metering | ||
| Video features | ||
| Video resolutions | 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p,24p) | 1920 x 1080 |
| Max video resolution | 1920x1080 | 1920x1080 |
| Video format | MPEG-4, H.264 | MPEG-4, AVCHD, H.264 |
| Mic port | ||
| Headphone port | ||
| Connectivity | ||
| Wireless | None | Eye-Fi Connected |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 3.0 (5 GBit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | Optional | None |
| Physical | ||
| Environmental sealing | ||
| Water proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | 1550g (3.42 lbs) | 492g (1.08 lbs) |
| Dimensions | 156 x 117 x 123mm (6.1" x 4.6" x 4.8") | 129 x 95 x 78mm (5.1" x 3.7" x 3.1") |
| DXO scores | ||
| DXO Overall score | 101 | 74 |
| DXO Color Depth score | 26.0 | 23.3 |
| DXO Dynamic range score | 14.7 | 12.5 |
| DXO Low light score | 4505 | 753 |
| Other | ||
| Battery life | 650 images | 690 images |
| Battery type | Battery Pack | Battery Pack |
| Battery model | D-LI90 | NP-FM500H |
| Self timer | Yes (2 or 10 secs) | - |
| Time lapse recording | ||
| Type of storage | Dual SD/SDHC/SDXC slots | SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo |
| Card slots | Two | Single |
| Retail pricing | $5,024 | $645 |