Pentax K-1 II vs Pentax K-S1
55 Imaging
77 Features
82 Overall
79
69 Imaging
63 Features
70 Overall
65
Pentax K-1 II vs Pentax K-S1 Key Specs
(Full Review)
- 36MP - Full frame Sensor
- 3.2" Fully Articulated Display
- ISO 100 - 819200
- Sensor based 5-axis Image Stabilization
- No Anti-Alias Filter
- 1/8000s Maximum Shutter
- 1920 x 1080 video
- Pentax KAF4 Mount
- 1010g - 137 x 110 x 86mm
- Introduced February 2018
- Succeeded the Pentax K-1
(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
- Updated by Pentax K-S2
Meta to Introduce 'AI-Generated' Labels for Media starting next month Pentax K-1 II vs Pentax K-S1 Overview
Here is a in depth overview of the Pentax K-1 II vs Pentax K-S1, both Advanced DSLR cameras and both are designed by Pentax. There is a considerable difference among the sensor resolutions of the K-1 II (36MP) and K-S1 (20MP) and the K-1 II (Full frame) and K-S1 (APS-C) posses totally different sensor sizes.
Sora from OpenAI releases its first ever music videoThe K-1 II was introduced 3 years later than the K-S1 and that is a fairly large difference as far as camera tech is concerned. Both the cameras feature the same body design (Mid-size SLR).
Before delving right into a in-depth comparison, here is a simple introduction of how the K-1 II grades against the K-S1 for portability, imaging, features and an overall rating.
Snapchat Adds Watermarks to AI-Created Images Pentax K-1 II vs Pentax K-S1 Gallery
This is a preview of the gallery photos for Pentax K-1 Mark II & Pentax K-S1. The whole galleries are available at Pentax K-1 II Gallery & Pentax K-S1 Gallery.
Reasons to pick Pentax K-1 II over the Pentax K-S1
| K-1 II | K-S1 | |||
|---|---|---|---|---|
| Released | February 2018 | August 2014 | Fresher by 43 months | |
| Screen type | Fully Articulated | Fixed | Fully Articulating screen | |
| Screen size | 3.2" | 3" | Bigger screen (+0.2") | |
| Screen resolution | 1037k | 921k | Sharper screen (+116k dot) |
Reasons to pick Pentax K-S1 over the Pentax K-1 II
| K-S1 | K-1 II |
|---|
Common features in the Pentax K-1 II and Pentax K-S1
| K-1 II | K-S1 | |||
|---|---|---|---|---|
| Focus manually | Dial precise focus | |||
| Selfie screen | Absent selfie screen | |||
| Touch screen | Absent Touch screen |
Pentax K-1 II vs Pentax K-S1 Physical Comparison
For anyone who is looking to carry your camera regularly, you'll need to consider its weight and volume. The Pentax K-1 II has got physical dimensions of 137mm x 110mm x 86mm (5.4" x 4.3" x 3.4") accompanied by a weight of 1010 grams (2.23 lbs) and the Pentax K-S1 has sizing of 121mm x 93mm x 70mm (4.8" x 3.7" x 2.8") and a weight of 558 grams (1.23 lbs).
Analyze the Pentax K-1 II vs Pentax K-S1 in our newest Camera & Lens Size Comparison Tool.
Bear in mind, the weight of an ILC will vary depending on the lens you select at that moment. Below is a front view measurements comparison of the K-1 II against the K-S1.

Looking at size and weight, the portability rating of the K-1 II and K-S1 is 55 and 69 respectively.
Pentax K-1 II vs Pentax K-S1 Sensor Comparison
Often, it is hard to envision the gap in sensor sizing simply by looking through technical specs. The graphic below might offer you a greater sense of the sensor sizes in the K-1 II and K-S1.
As you have seen, both of these cameras come with different resolutions and different sensor sizing. The K-1 II with its bigger sensor will make achieving shallower DOF easier and the Pentax K-1 II will result in extra detail using its extra 16 Megapixels. Higher resolution can also enable you to crop photographs a good deal more aggressively. The younger K-1 II will have an edge with regard to sensor innovation.
Pentax K-1 II vs Pentax K-S1 Screen and ViewFinder
President Biden pushes bill mandating TikTok sale or ban Photography Type Scores
Portrait Comparison
Pentax 17 Pre-Orders Outperform Expectations by a LandslideStreet Comparison
Japan-exclusive Leica Leitz Phone 3 features big sensor and new modesSports Comparison
Photobucket discusses licensing 13 billion images with AI firmsTravel Comparison
Samsung Releases Faster Versions of EVO MicroSD CardsLandscape Comparison
Apple Innovates by Creating Next-Level Optical Stabilization for iPhoneVlogging Comparison
Photography Glossary
Pentax K-1 II vs Pentax K-S1 Specifications
| Pentax K-1 Mark II | Pentax K-S1 | |
|---|---|---|
| General Information | ||
| Manufacturer | Pentax | Pentax |
| Model type | Pentax K-1 Mark II | Pentax K-S1 |
| Class | Advanced DSLR | Advanced DSLR |
| Introduced | 2018-02-22 | 2014-08-27 |
| Physical type | Mid-size SLR | Mid-size SLR |
| Sensor Information | ||
| Processor Chip | PRIME IV | Prime MII |
| Sensor type | CMOS | CMOS |
| Sensor size | Full frame | APS-C |
| Sensor measurements | 35.9 x 24mm | 23.5 x 15.6mm |
| Sensor surface area | 861.6mm² | 366.6mm² |
| Sensor resolution | 36MP | 20MP |
| Anti alias filter | ||
| Aspect ratio | 3:2 | 3:2 |
| Full resolution | 7360 x 4912 | 5472 x 3648 |
| Max native ISO | 819200 | 51200 |
| Minimum native ISO | 100 | 100 |
| RAW pictures | ||
| Autofocusing | ||
| Focus manually | ||
| AF touch | ||
| Continuous AF | ||
| Single AF | ||
| AF tracking | ||
| AF selectice | ||
| AF center weighted | ||
| AF multi area | ||
| Live view AF | ||
| Face detect AF | ||
| Contract detect AF | ||
| Phase detect AF | ||
| Total focus points | 33 | 11 |
| Cross type focus points | 25 | - |
| Lens | ||
| Lens support | Pentax KAF4 | Pentax KAF2 |
| Total lenses | 151 | 151 |
| Focal length multiplier | 1 | 1.5 |
| Screen | ||
| Display type | Fully Articulated | Fixed Type |
| Display diagonal | 3.2 inch | 3 inch |
| Resolution of display | 1,037 thousand dots | 921 thousand dots |
| Selfie friendly | ||
| Liveview | ||
| Touch functionality | ||
| Viewfinder Information | ||
| Viewfinder | Optical (pentaprism) | Optical (pentaprism) |
| Viewfinder coverage | 100% | 100% |
| Viewfinder magnification | 0.7x | 0.64x |
| Features | ||
| Slowest shutter speed | 30s | 30s |
| Maximum shutter speed | 1/8000s | 1/6000s |
| Continuous shooting rate | 4.4 frames/s | 5.4 frames/s |
| Shutter priority | ||
| Aperture priority | ||
| Manual mode | ||
| Exposure compensation | Yes | Yes |
| Change WB | ||
| Image stabilization | ||
| Built-in flash | ||
| Flash distance | no built-in flash | 10.00 m (at ISO 100) |
| Flash modes | Auto Flash Discharge, Auto Flash + Red-eye Reduction, 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, auto + redeye, on, on + redeye reduction, slow sync, trailing curtain sync, manual |
| Hot shoe | ||
| AEB | ||
| White balance bracketing | ||
| Maximum flash synchronize | 1/200s | - |
| 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) | 1920 x 1080 (30,25,24 fps), 1280 x 720 (60,50 fps) |
| Max video resolution | 1920x1080 | 1920x1080 |
| Video format | MPEG-4, H.264 | H.264 |
| Microphone port | ||
| Headphone port | ||
| Connectivity | ||
| Wireless | Auto Flash Discharge, Auto Flash + Red-eye Reduction, 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 | Eye-Fi Connected |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | Built-in | Optional |
| Physical | ||
| Environmental sealing | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 1010 grams (2.23 lbs) | 558 grams (1.23 lbs) |
| Physical dimensions | 137 x 110 x 86mm (5.4" x 4.3" x 3.4") | 121 x 93 x 70mm (4.8" x 3.7" x 2.8") |
| DXO scores | ||
| DXO All around rating | not tested | 78 |
| DXO Color Depth rating | not tested | 23.5 |
| DXO Dynamic range rating | not tested | 13.0 |
| DXO Low light rating | not tested | 1061 |
| Other | ||
| Battery life | 670 pictures | 410 pictures |
| Battery type | Battery Pack | Battery Pack |
| Battery ID | D-LI90 | D-LI109 |
| Self timer | Yes (2 or 12 sec, custom) | Yes ( 2 or 12 seconds) |
| Time lapse recording | ||
| Type of storage | Dual SD/SDHC/SDXC (UHS-I) | SD/SDHC/SDXC |
| Card slots | Two | 1 |
| Retail cost | $1,737 | $339 |