Pentax K-5 IIs vs Pentax K-S1
60 Imaging
57 Features
83 Overall
67
69 Imaging
62 Features
70 Overall
65
Pentax K-5 IIs vs Pentax K-S1 Key Specs
(Full Review)
- 16MP - APS-C Sensor
- 3" Fixed Display
- ISO 100 - 12800 (Bump to 51200)
- Sensor based Image Stabilization
- No Anti-Alias Filter
- 1/8000s Maximum Shutter
- 1920 x 1080 video
- Pentax KAF2 Mount
- 760g - 131 x 97 x 73mm
- Launched June 2013
- Previous Model is Pentax K-5
(Full Review)
- 20MP - APS-C Sensor
- 3" Fixed Screen
- 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
- Released August 2014
- Successor is Pentax K-S2
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Here is a extensive assessment of the Pentax K-5 IIs versus Pentax K-S1, both Advanced DSLR cameras and both are manufactured by Pentax. The image resolution of the K-5 IIs (16MP) and the K-S1 (20MP) is relatively comparable and both cameras boast the identical sensor dimensions (APS-C).
President Biden pushes bill mandating TikTok sale or banThe K-5 IIs was revealed 14 months earlier than the K-S1 which makes them a generation apart from one another. Both the cameras feature the same body design (Mid-size SLR).
Before getting into a complete comparison, here is a brief synopsis of how the K-5 IIs scores against the K-S1 with respect to portability, imaging, features and an overall rating.
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This is a preview of the gallery photos for Pentax K-5 IIs & Pentax K-S1. The full galleries are viewable at Pentax K-5 IIs Gallery & Pentax K-S1 Gallery.
Reasons to pick Pentax K-5 IIs over the Pentax K-S1
| K-5 IIs | K-S1 |
|---|
Reasons to pick Pentax K-S1 over the Pentax K-5 IIs
| K-S1 | K-5 IIs | |||
|---|---|---|---|---|
| Released | August 2014 | June 2013 | Fresher by 14 months |
Common features in the Pentax K-5 IIs and Pentax K-S1
| K-5 IIs | K-S1 | |||
|---|---|---|---|---|
| Manually focus | Dial exact focus | |||
| Screen type | Fixed | Fixed | Fixed screen | |
| Screen size | 3" | 3" | Same screen sizing | |
| Screen resolution | 921k | 921k | Identical screen resolution | |
| Selfie screen | No selfie screen | |||
| Touch friendly screen | Neither has Touch friendly screen |
Pentax K-5 IIs vs Pentax K-S1 Physical Comparison
For those who are intending to carry your camera regularly, you will need to factor its weight and size. The Pentax K-5 IIs has outer measurements of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") along with a weight of 760 grams (1.68 lbs) while the Pentax K-S1 has specifications of 121mm x 93mm x 70mm (4.8" x 3.7" x 2.8") along with a weight of 558 grams (1.23 lbs).
See the Pentax K-5 IIs versus Pentax K-S1 in our completely new Camera & Lens Size Comparison Tool.
Take into account, the weight of an ILC will differ depending on the lens you are utilising at that time. Underneath is a front view physical size comparison of the K-5 IIs and the K-S1.

Using dimensions and weight, the portability grade of the K-5 IIs and K-S1 is 60 and 69 respectively.
Pentax K-5 IIs vs Pentax K-S1 Sensor Comparison
Typically, its hard to visualize the contrast in sensor sizing purely by checking out a spec sheet. The photograph here will provide you a much better sense of the sensor measurements in the K-5 IIs and K-S1.
Clearly, the 2 cameras feature the identical sensor size albeit different resolution. You can count on the Pentax K-S1 to produce more detail because of its extra 4MP. Higher resolution will help you crop pictures way more aggressively. The older K-5 IIs will be disadvantaged in sensor technology.
Pentax K-5 IIs vs Pentax K-S1 Screen and ViewFinder
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Pentax K-5 IIs vs Pentax K-S1 Specifications
| Pentax K-5 IIs | Pentax K-S1 | |
|---|---|---|
| General Information | ||
| Brand Name | Pentax | Pentax |
| Model | Pentax K-5 IIs | Pentax K-S1 |
| Type | Advanced DSLR | Advanced DSLR |
| Launched | 2013-06-04 | 2014-08-27 |
| Physical type | Mid-size SLR | Mid-size SLR |
| Sensor Information | ||
| Powered by | Prime II | Prime MII |
| Sensor type | CMOS | CMOS |
| Sensor size | APS-C | APS-C |
| Sensor measurements | 23.7 x 15.7mm | 23.5 x 15.6mm |
| Sensor surface area | 372.1mm² | 366.6mm² |
| Sensor resolution | 16MP | 20MP |
| Anti aliasing filter | ||
| Aspect ratio | 3:2 | 3:2 |
| Full resolution | 4928 x 3264 | 5472 x 3648 |
| Max native ISO | 12800 | 51200 |
| Max boosted ISO | 51200 | - |
| Lowest native ISO | 100 | 100 |
| RAW pictures | ||
| Lowest boosted ISO | 80 | - |
| Autofocusing | ||
| Focus manually | ||
| Touch focus | ||
| AF continuous | ||
| AF single | ||
| Tracking AF | ||
| AF selectice | ||
| AF center weighted | ||
| Multi area AF | ||
| Live view AF | ||
| Face detect focusing | ||
| Contract detect focusing | ||
| Phase detect focusing | ||
| Number of focus points | 11 | 11 |
| Cross focus points | 9 | - |
| Lens | ||
| Lens mount | Pentax KAF2 | Pentax KAF2 |
| Number of lenses | 151 | 151 |
| Crop factor | 1.5 | 1.5 |
| Screen | ||
| Display type | Fixed Type | Fixed Type |
| Display sizing | 3 inch | 3 inch |
| Resolution of display | 921 thousand dots | 921 thousand dots |
| Selfie friendly | ||
| Liveview | ||
| Touch functionality | ||
| Display tech | TFT LCD monitor | - |
| Viewfinder Information | ||
| Viewfinder | Optical (pentaprism) | Optical (pentaprism) |
| Viewfinder coverage | 100% | 100% |
| Viewfinder magnification | 0.61x | 0.64x |
| Features | ||
| Slowest shutter speed | 30 seconds | 30 seconds |
| Maximum shutter speed | 1/8000 seconds | 1/6000 seconds |
| Continuous shooting rate | 7.0 frames/s | 5.4 frames/s |
| Shutter priority | ||
| Aperture priority | ||
| Manually set exposure | ||
| Exposure compensation | Yes | Yes |
| Set WB | ||
| Image stabilization | ||
| Integrated flash | ||
| Flash range | 13.00 m (at ISO 100) | 10.00 m (at ISO 100) |
| Flash settings | Auto, On, Off, Red-eye, Slow sync, High speed, Rear curtain and Wireless | Auto, auto + redeye, on, on + redeye reduction, slow sync, trailing curtain sync, manual |
| Hot shoe | ||
| AE bracketing | ||
| WB bracketing | ||
| Maximum flash synchronize | 1/180 seconds | - |
| Exposure | ||
| Multisegment metering | ||
| Average metering | ||
| Spot metering | ||
| Partial metering | ||
| AF area metering | ||
| Center weighted metering | ||
| Video features | ||
| Video resolutions | 1920 x 1080 (25 fps), 1280 x 720 (25, 30 fps), 640 x 480 (25, 30 fps) | 1920 x 1080 (30,25,24 fps), 1280 x 720 (60,50 fps) |
| Max video resolution | 1920x1080 | 1920x1080 |
| Video file format | Motion JPEG | H.264 |
| Microphone port | ||
| Headphone port | ||
| Connectivity | ||
| Wireless | None | Eye-Fi Connected |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | Optional | Optional |
| Physical | ||
| Environment sealing | ||
| Water proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | 760g (1.68 pounds) | 558g (1.23 pounds) |
| Physical dimensions | 131 x 97 x 73mm (5.2" x 3.8" x 2.9") | 121 x 93 x 70mm (4.8" x 3.7" x 2.8") |
| DXO scores | ||
| DXO All around score | 82 | 78 |
| DXO Color Depth score | 23.9 | 23.5 |
| DXO Dynamic range score | 14.1 | 13.0 |
| DXO Low light score | 1208 | 1061 |
| Other | ||
| Battery life | 980 photos | 410 photos |
| Battery type | Battery Pack | Battery Pack |
| Battery model | D-LI90 | D-LI109 |
| Self timer | Yes ( 2 or 12 seconds) | Yes ( 2 or 12 seconds) |
| Time lapse shooting | ||
| Type of storage | SD/SDHC/SDXC | SD/SDHC/SDXC |
| Card slots | 1 | 1 |
| Pricing at launch | $749 | $339 |