Pentax K-S1 vs Sony T99
69 Imaging
63 Features
70 Overall
65
96 Imaging
36 Features
27 Overall
32
Pentax K-S1 vs Sony T99 Key Specs
(Full Review)
- 20MP - APS-C Sensor
- 3" Fixed Display
- ISO 100 - 51200
- Sensor based Image Stabilization
- No Anti-Alias Filter
- 1/6000s Maximum Shutter
- 1920 x 1080 video
- Pentax KAF2 Mount
- 558g - 121 x 93 x 70mm
- Announced August 2014
- Refreshed by Pentax K-S2
(Full Review)
- 14MP - 1/2.3" Sensor
- 3" Fixed Screen
- ISO 80 - 3200
- Optical Image Stabilization
- 1280 x 720 video
- 25-100mm (F3.5-4.6) lens
- 121g - 93 x 56 x 17mm
- Released July 2010
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Lets look a bit more closely at the Pentax K-S1 vs Sony T99, one being a Advanced DSLR and the latter is a Ultracompact by companies Pentax and Sony. There is a crucial difference between the sensor resolutions of the K-S1 (20MP) and T99 (14MP) and the K-S1 (APS-C) and T99 (1/2.3") come with different sensor sizes.
Sora from OpenAI releases its first ever music videoThe K-S1 was revealed 4 years later than the T99 and that is quite a serious gap as far as tech is concerned. Both of the cameras come with different body type with the Pentax K-S1 being a Mid-size SLR camera and the Sony T99 being a Ultracompact camera.
Before going through a complete comparison, below is a brief summation of how the K-S1 scores versus the T99 with regards to portability, imaging, features and an overall rating.
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Following is a preview of the gallery photos for Pentax K-S1 and Sony Cyber-shot DSC-T99. The full galleries are provided at Pentax K-S1 Gallery and Sony T99 Gallery.
Reasons to pick Pentax K-S1 over the Sony T99
| K-S1 | T99 | |||
|---|---|---|---|---|
| Released | August 2014 | July 2010 | Fresher by 51 months | |
| Manually focus | More accurate focus | |||
| Screen resolution | 921k | 230k | Crisper screen (+691k dot) |
Reasons to pick Sony T99 over the Pentax K-S1
| T99 | K-S1 | |||
|---|---|---|---|---|
| Touch friendly screen | Quickly navigate |
Common features in the Pentax K-S1 and Sony T99
| K-S1 | T99 | |||
|---|---|---|---|---|
| Screen type | Fixed | Fixed | Fixed screen | |
| Screen dimension | 3" | 3" | Identical screen dimensions | |
| Selfie screen | No selfie screen |
Pentax K-S1 vs Sony T99 Physical Comparison
In case you're aiming to carry your camera, you need to factor its weight and volume. The Pentax K-S1 has external dimensions of 121mm x 93mm x 70mm (4.8" x 3.7" x 2.8") and a weight of 558 grams (1.23 lbs) and the Sony T99 has sizing of 93mm x 56mm x 17mm (3.7" x 2.2" x 0.7") and a weight of 121 grams (0.27 lbs).
Check the Pentax K-S1 vs Sony T99 in the new Camera with Lens Size Comparison Tool.
Don't forget, the weight of an Interchangeable Lens Camera will differ based on the lens you are employing during that time. Underneath is the front view measurements comparison of the K-S1 compared to the T99.

Taking into account size and weight, the portability score of the K-S1 and T99 is 69 and 96 respectively.
Pentax K-S1 vs Sony T99 Sensor Comparison
In many cases, it is very tough to imagine the gap between sensor sizing only by going over a spec sheet. The graphic underneath will help give you a greater sense of the sensor sizes in the K-S1 and T99.
As you can see, both cameras posses different resolutions and different sensor sizing. The K-S1 with its bigger sensor is going to make shooting shallow DOF simpler and the Pentax K-S1 will offer more detail because of its extra 6MP. Higher resolution can also let you crop pictures somewhat more aggressively. The more recent K-S1 provides a benefit when it comes to sensor innovation.
Pentax K-S1 vs Sony T99 Screen and ViewFinder
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Pentax K-S1 vs Sony T99 Specifications
| Pentax K-S1 | Sony Cyber-shot DSC-T99 | |
|---|---|---|
| General Information | ||
| Brand | Pentax | Sony |
| Model | Pentax K-S1 | Sony Cyber-shot DSC-T99 |
| Class | Advanced DSLR | Ultracompact |
| Announced | 2014-08-27 | 2010-07-08 |
| Physical type | Mid-size SLR | Ultracompact |
| Sensor Information | ||
| Chip | Prime MII | Bionz |
| Sensor type | CMOS | CCD |
| Sensor size | APS-C | 1/2.3" |
| Sensor measurements | 23.5 x 15.6mm | 6.17 x 4.55mm |
| Sensor area | 366.6mm² | 28.1mm² |
| Sensor resolution | 20MP | 14MP |
| Anti aliasing filter | ||
| Aspect ratio | 3:2 | 4:3 and 16:9 |
| Full resolution | 5472 x 3648 | 4320 x 3240 |
| Max native ISO | 51200 | 3200 |
| Lowest native ISO | 100 | 80 |
| RAW format | ||
| Autofocusing | ||
| Manual focus | ||
| Autofocus touch | ||
| Autofocus continuous | ||
| Single autofocus | ||
| Tracking autofocus | ||
| Selective autofocus | ||
| Autofocus center weighted | ||
| Multi area autofocus | ||
| Autofocus live view | ||
| Face detect focus | ||
| Contract detect focus | ||
| Phase detect focus | ||
| Number of focus points | 11 | 9 |
| Lens | ||
| Lens mounting type | Pentax KAF2 | fixed lens |
| Lens focal range | - | 25-100mm (4.0x) |
| Max aperture | - | f/3.5-4.6 |
| Macro focus distance | - | 1cm |
| Amount of lenses | 151 | - |
| Focal length multiplier | 1.5 | 5.8 |
| Screen | ||
| Type of display | Fixed Type | Fixed Type |
| Display diagonal | 3" | 3" |
| Display resolution | 921 thousand dots | 230 thousand dots |
| Selfie friendly | ||
| Liveview | ||
| Touch capability | ||
| Viewfinder Information | ||
| Viewfinder | Optical (pentaprism) | None |
| Viewfinder coverage | 100% | - |
| Viewfinder magnification | 0.64x | - |
| Features | ||
| Slowest shutter speed | 30 secs | 2 secs |
| Maximum shutter speed | 1/6000 secs | 1/1250 secs |
| Continuous shooting rate | 5.4 frames per second | 10.0 frames per second |
| Shutter priority | ||
| Aperture priority | ||
| Manual mode | ||
| Exposure compensation | Yes | - |
| Change white balance | ||
| Image stabilization | ||
| Inbuilt flash | ||
| Flash range | 10.00 m (at ISO 100) | 4.60 m |
| Flash modes | Auto, auto + redeye, on, on + redeye reduction, slow sync, trailing curtain sync, manual | Auto, On, Off, Red eye, Slow syncro |
| External flash | ||
| Auto exposure bracketing | ||
| WB bracketing | ||
| Exposure | ||
| Multisegment metering | ||
| Average metering | ||
| Spot metering | ||
| Partial metering | ||
| AF area metering | ||
| Center weighted metering | ||
| Video features | ||
| Supported video resolutions | 1920 x 1080 (30,25,24 fps), 1280 x 720 (60,50 fps) | 1280 x 720 (30 fps), 640 x 480 (30 fps) |
| Max video resolution | 1920x1080 | 1280x720 |
| Video format | H.264 | MPEG-4 |
| Microphone port | ||
| Headphone port | ||
| Connectivity | ||
| Wireless | Eye-Fi Connected | Eye-Fi Connected |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | Optional | None |
| Physical | ||
| Environmental sealing | ||
| Water proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | 558 grams (1.23 lb) | 121 grams (0.27 lb) |
| Dimensions | 121 x 93 x 70mm (4.8" x 3.7" x 2.8") | 93 x 56 x 17mm (3.7" x 2.2" x 0.7") |
| DXO scores | ||
| DXO All around score | 78 | not tested |
| DXO Color Depth score | 23.5 | not tested |
| DXO Dynamic range score | 13.0 | not tested |
| DXO Low light score | 1061 | not tested |
| Other | ||
| Battery life | 410 pictures | - |
| Battery type | Battery Pack | - |
| Battery model | D-LI109 | NP-BN1 |
| Self timer | Yes ( 2 or 12 seconds) | Yes (2 or 10 sec, portrait1, portrait2) |
| Time lapse shooting | ||
| Storage type | SD/SDHC/SDXC | SD/ SDHC/ SDXC, Memory Stick Duo/Pro Duo, Internal |
| Card slots | Single | Single |
| Retail price | $339 | $179 |