Pentax S1 vs Sony A9
93 Imaging
37 Features
31 Overall
34
65 Imaging
73 Features
93 Overall
81
Pentax S1 vs Sony A9 Key Specs
(Full Review)
- 14MP - 1/2.3" Sensor
- 2.7" Fixed Display
- ISO 80 - 6400
- Sensor-shift Image Stabilization
- 1280 x 720 video
- 28-140mm (F3.5-5.5) lens
- 157g - 114 x 58 x 28mm
- Launched March 2011
(Full Review)
- 24MP - Full frame Sensor
- 3" Tilting Display
- ISO 100 - 51200 (Raise to 204800)
- Sensor based 5-axis Image Stabilization
- 1/8000s Maximum Shutter
- 3840 x 2160 video
- Sony E Mount
- 673g - 127 x 96 x 63mm
- Revealed April 2017
- Updated by Sony A9 II
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Its time to look much closer at the Pentax S1 vs Sony A9, former is a Small Sensor Compact while the other is a Pro Mirrorless by brands Pentax and Sony. There exists a large gap among the resolutions of the S1 (14MP) and A9 (24MP) and the S1 (1/2.3") and A9 (Full frame) possess different sensor measurements.
President Biden pushes bill mandating TikTok sale or banThe S1 was brought out 7 years before the A9 which is a fairly serious difference as far as camera technology is concerned. Both of the cameras offer different body type with the Pentax S1 being a Compact camera and the Sony A9 being a SLR-style mirrorless camera.
Before delving through a step-by-step comparison, below is a brief summation of how the S1 matches up vs the A9 when it comes to portability, imaging, features and an overall mark.
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Reasons to pick Pentax S1 over the Sony A9
| S1 | A9 |
|---|
Reasons to pick Sony A9 over the Pentax S1
| A9 | S1 | |||
|---|---|---|---|---|
| Revealed | April 2017 |  | March 2011 | Newer by 74 months |
| Display type | Tilting |  | Fixed | Tilting display |
| Display sizing | 3" |  | 2.7" | Larger display (+0.3") |
| Display resolution | 1440k |  | 230k | Crisper display (+1210k dot) |
| Touch friendly display |  | Easily navigate |
Common features in the Pentax S1 and Sony A9
| S1 | A9 | |||
|---|---|---|---|---|
| Manually focus |  | More exact focusing | ||
| Selfie screen |  | Lacking selfie screen |
Pentax S1 vs Sony A9 Physical Comparison
When you are aiming to travel with your camera often, you should factor in its weight and proportions. The Pentax S1 offers exterior measurements of 114mm x 58mm x 28mm (4.5" x 2.3" x 1.1") and a weight of 157 grams (0.35 lbs) whilst the Sony A9 has measurements of 127mm x 96mm x 63mm (5.0" x 3.8" x 2.5") accompanied by a weight of 673 grams (1.48 lbs).
Take a look at the Pentax S1 vs Sony A9 in our newest Camera plus Lens Size Comparison Tool.
Keep in mind, the weight of an ILC will vary based on the lens you select at the time. Following is the front view overall size comparison of the S1 versus the A9.
Factoring in dimensions and weight, the portability score of the S1 and A9 is 93 and 65 respectively.
Pentax S1 vs Sony A9 Sensor Comparison
Typically, it can be tough to visualize the gap in sensor dimensions only by researching specs. The image below might provide you a stronger sense of the sensor sizing in the S1 and A9.
All in all, both cameras enjoy different megapixel count and different sensor dimensions. The S1 because of its smaller sensor is going to make shooting shallower DOF trickier and the Sony A9 will result in greater detail having its extra 10 Megapixels. Greater resolution can also let you crop images far more aggressively. The more aged S1 will be disadvantaged in sensor innovation.
Pentax S1 vs Sony A9 Screen and ViewFinder
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Pentax S1 vs Sony A9 Specifications
| Pentax Optio S1 | Sony Alpha A9 | |
|---|---|---|
| General Information | ||
| Company | Pentax | Sony |
| Model type | Pentax Optio S1 | Sony Alpha A9 |
| Category | Small Sensor Compact | Pro Mirrorless |
| Launched | 2011-03-02 | 2017-04-19 |
| Body design | Compact | SLR-style mirrorless |
| Sensor Information | ||
| Powered by | - | BIONZ X |
| Sensor type | CCD | BSI-CMOS |
| Sensor size | 1/2.3" | Full frame |
| Sensor dimensions | 6.17 x 4.55mm | 35.6 x 23.8mm |
| Sensor area | 28.1mm² | 847.3mm² |
| Sensor resolution | 14 megapixel | 24 megapixel |
| Anti alias filter | ||
| Aspect ratio | 1:1, 4:3 and 16:9 | 3:2 and 16:9 |
| Max resolution | 4288 x 3216 | 6000 x 4000 |
| Max native ISO | 6400 | 51200 |
| Max enhanced ISO | - | 204800 |
| Lowest native ISO | 80 | 100 |
| RAW files | ||
| Lowest enhanced ISO | - | 50 |
| Autofocusing | ||
| Manual focusing | ||
| AF touch | ||
| Continuous AF | ||
| AF single | ||
| AF tracking | ||
| Selective AF | ||
| AF center weighted | ||
| AF multi area | ||
| AF live view | ||
| Face detect focusing | ||
| Contract detect focusing | ||
| Phase detect focusing | ||
| Total focus points | 9 | 693 |
| Lens | ||
| Lens mount type | fixed lens | Sony E |
| Lens zoom range | 28-140mm (5.0x) | - |
| Highest aperture | f/3.5-5.5 | - |
| Macro focusing range | 1cm | - |
| Number of lenses | - | 121 |
| Focal length multiplier | 5.8 | 1 |
| Screen | ||
| Range of display | Fixed Type | Tilting |
| Display sizing | 2.7 inches | 3 inches |
| Resolution of display | 230k dot | 1,440k dot |
| Selfie friendly | ||
| Liveview | ||
| Touch function | ||
| Display technology | TFT color LCD with Anti-reflective coating | - |
| Viewfinder Information | ||
| Viewfinder type | None | Electronic |
| Viewfinder resolution | - | 3,686k dot |
| Viewfinder coverage | - | 100 percent |
| Viewfinder magnification | - | 0.78x |
| Features | ||
| Minimum shutter speed | 4 secs | 30 secs |
| Fastest shutter speed | 1/1500 secs | 1/8000 secs |
| Fastest quiet shutter speed | - | 1/32000 secs |
| Continuous shutter speed | 1.0 frames/s | 20.0 frames/s |
| Shutter priority | ||
| Aperture priority | ||
| Manual exposure | ||
| Exposure compensation | - | Yes |
| Set WB | ||
| Image stabilization | ||
| Inbuilt flash | ||
| Flash distance | 3.90 m | no built-in flash |
| Flash settings | Auto, On, Off, Red-eye, Soft | Flash off, Autoflash, Fill-flash, Slow Sync., Rear Sync., Red-eye reduction, Wireless, Hi-speed sync |
| Hot shoe | ||
| AE bracketing | ||
| White balance bracketing | ||
| Exposure | ||
| Multisegment | ||
| Average | ||
| Spot | ||
| Partial | ||
| AF area | ||
| Center weighted | ||
| Video features | ||
| Supported video resolutions | 1280 x 720 (30, 15 fps), 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps) | - |
| Max video resolution | 1280x720 | 3840x2160 |
| Video file format | Motion JPEG | MPEG-4, AVCHD, H.264 |
| Mic input | ||
| Headphone input | ||
| Connectivity | ||
| Wireless | None | Built-In |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | None | None |
| Physical | ||
| Environmental seal | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 157 gr (0.35 pounds) | 673 gr (1.48 pounds) |
| Dimensions | 114 x 58 x 28mm (4.5" x 2.3" x 1.1") | 127 x 96 x 63mm (5.0" x 3.8" x 2.5") |
| DXO scores | ||
| DXO Overall rating | not tested | 92 |
| DXO Color Depth rating | not tested | 24.9 |
| DXO Dynamic range rating | not tested | 13.3 |
| DXO Low light rating | not tested | 3517 |
| Other | ||
| Battery life | 260 shots | 650 shots |
| Battery format | Battery Pack | Battery Pack |
| Battery ID | D-LI92 | NP-FZ100 |
| Self timer | Yes (2 or 10 sec) | Yes (2, 5, 10 secs + continuous) |
| Time lapse shooting | ||
| Storage media | SD/SDHC/SDXC, Internal | Dual SD/SDHC/SDXC slots (UHS-II compatible) |
| Storage slots | Single | Dual |
| Retail cost | $174 | $4,498 |