Nikon D90 vs Pentax K-S1
60 Imaging
51 Features
52 Overall
51


69 Imaging
63 Features
70 Overall
65
Nikon D90 vs Pentax K-S1 Key Specs
(Full Review)
- 12MP - APS-C Sensor
- 3" Fixed Screen
- ISO 200 - 3200 (Push to 6400)
- 1280 x 720 video
- Nikon F Mount
- 703g - 132 x 103 x 77mm
- Revealed October 2008
- Old Model is Nikon D80
- Successor is Nikon D7000
(Full Review)
- 20MP - APS-C Sensor
- 3" Fixed Screen
- ISO 100 - 51200
- Sensor based Image Stabilization
- No Anti-Alias Filter
- 1/6000s Max Shutter
- 1920 x 1080 video
- Pentax KAF2 Mount
- 558g - 121 x 93 x 70mm
- Announced August 2014
- Successor is Pentax K-S2

Nikon D90 vs Pentax K-S1 Overview
Here is a complete overview of the Nikon D90 vs Pentax K-S1, both Advanced DSLR digital cameras by rivals Nikon and Pentax. There exists a crucial gap between the sensor resolutions of the D90 (12MP) and K-S1 (20MP) but both cameras offer the same sensor sizing (APS-C).

The D90 was announced 6 years earlier than the K-S1 and that is quite a serious gap as far as technology is concerned. Both of the cameras have the same body design (Mid-size SLR).
Before getting straight to a in-depth comparison, here is a brief summary of how the D90 matches up versus the K-S1 in relation to portability, imaging, features and an overall rating.

Nikon D90 vs Pentax K-S1 Gallery
Here is a preview of the gallery photos for Nikon D90 and Pentax K-S1. The whole galleries are available at Nikon D90 Gallery and Pentax K-S1 Gallery.
Reasons to pick Nikon D90 over the Pentax K-S1
D90 | K-S1 |
---|
Reasons to pick Pentax K-S1 over the Nikon D90
K-S1 | D90 | |||
---|---|---|---|---|
Announced | August 2014 | ![]() | October 2008 | Fresher by 71 months |
Screen resolution | 921k | ![]() | 920k | Sharper screen (+1k dot) |
Common features in the Nikon D90 and Pentax K-S1
D90 | K-S1 | |||
---|---|---|---|---|
Manual focus | ![]() | More exact focus | ||
Screen type | Fixed | ![]() | Fixed | Fixed screen |
Screen dimensions | 3" | ![]() | 3" | Equal screen measurement |
Selfie screen | ![]() | Neither has selfie screen | ||
Touch screen | ![]() | Absent Touch screen |
Nikon D90 vs Pentax K-S1 Physical Comparison
For anyone who is aiming to carry your camera regularly, you'll have to factor in its weight and size. The Nikon D90 has exterior dimensions of 132mm x 103mm x 77mm (5.2" x 4.1" x 3.0") along with a weight of 703 grams (1.55 lbs) whilst 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).
Look at the Nikon D90 vs Pentax K-S1 in the all new Camera and Lens Size Comparison Tool.
Do not forget, the weight of an Interchangeable Lens Camera will vary depending on the lens you are using at that time. Here is a front view physical size comparison of the D90 versus the K-S1.

Factoring in dimensions and weight, the portability grade of the D90 and K-S1 is 60 and 69 respectively.

Nikon D90 vs Pentax K-S1 Sensor Comparison
Typically, it can be difficult to picture the gap between sensor sizing only by reading through specifications. The graphic underneath may give you a much better sense of the sensor dimensions in the D90 and K-S1.
Plainly, the two cameras have the same sensor dimensions albeit different resolution. You should count on the Pentax K-S1 to give greater detail with its extra 8 Megapixels. Higher resolution will also enable you to crop shots a bit more aggressively. The older D90 is going to be disadvantaged when it comes to sensor technology.

Nikon D90 vs Pentax K-S1 Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Nikon D90 vs Pentax K-S1 Specifications
Nikon D90 | Pentax K-S1 | |
---|---|---|
General Information | ||
Company | Nikon | Pentax |
Model | Nikon D90 | Pentax K-S1 |
Category | Advanced DSLR | Advanced DSLR |
Revealed | 2008-10-13 | 2014-08-27 |
Body design | Mid-size SLR | Mid-size SLR |
Sensor Information | ||
Processor | - | Prime MII |
Sensor type | CMOS | CMOS |
Sensor size | APS-C | APS-C |
Sensor dimensions | 23.6 x 15.8mm | 23.5 x 15.6mm |
Sensor area | 372.9mm² | 366.6mm² |
Sensor resolution | 12MP | 20MP |
Anti aliasing filter | ||
Aspect ratio | 3:2 | 3:2 |
Maximum resolution | 4288 x 2848 | 5472 x 3648 |
Maximum native ISO | 3200 | 51200 |
Maximum boosted ISO | 6400 | - |
Minimum native ISO | 200 | 100 |
RAW pictures | ||
Autofocusing | ||
Manual focus | ||
Autofocus touch | ||
Autofocus continuous | ||
Single autofocus | ||
Tracking autofocus | ||
Autofocus selectice | ||
Center weighted autofocus | ||
Multi area autofocus | ||
Live view autofocus | ||
Face detection focus | ||
Contract detection focus | ||
Phase detection focus | ||
Number of focus points | 11 | 11 |
Lens | ||
Lens mounting type | Nikon F | Pentax KAF2 |
Available lenses | 309 | 151 |
Crop factor | 1.5 | 1.5 |
Screen | ||
Screen type | Fixed Type | Fixed Type |
Screen size | 3" | 3" |
Resolution of screen | 920k dot | 921k dot |
Selfie friendly | ||
Liveview | ||
Touch function | ||
Screen technology | Super Density TFT color LCD with wide-viewing angle | - |
Viewfinder Information | ||
Viewfinder type | Optical (pentaprism) | Optical (pentaprism) |
Viewfinder coverage | 96 percent | 100 percent |
Viewfinder magnification | 0.64x | 0.64x |
Features | ||
Slowest shutter speed | 30 seconds | 30 seconds |
Maximum shutter speed | 1/4000 seconds | 1/6000 seconds |
Continuous shooting speed | 4.5 frames/s | 5.4 frames/s |
Shutter priority | ||
Aperture priority | ||
Expose Manually | ||
Exposure compensation | Yes | Yes |
Change white balance | ||
Image stabilization | ||
Built-in flash | ||
Flash range | 17.00 m (at ISO 100) | 10.00 m (at ISO 100) |
Flash modes | Auto, On, Off, Front curtain, Rear curtain, Red-Eye, Slow Sync | Auto, auto + redeye, on, on + redeye reduction, slow sync, trailing curtain sync, manual |
Hot shoe | ||
Auto exposure bracketing | ||
WB bracketing | ||
Maximum flash sync | 1/200 seconds | - |
Exposure | ||
Multisegment exposure | ||
Average exposure | ||
Spot exposure | ||
Partial exposure | ||
AF area exposure | ||
Center weighted exposure | ||
Video features | ||
Video resolutions | 1280 x 720 (24 fps), 640 x 424 (24 fps), 320 x 216 (24 fps) | 1920 x 1080 (30,25,24 fps), 1280 x 720 (60,50 fps) |
Maximum video resolution | 1280x720 | 1920x1080 |
Video format | Motion JPEG | H.264 |
Mic input | ||
Headphone input | ||
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 | Optional |
Physical | ||
Environment seal | ||
Water proof | ||
Dust proof | ||
Shock proof | ||
Crush proof | ||
Freeze proof | ||
Weight | 703g (1.55 lb) | 558g (1.23 lb) |
Physical dimensions | 132 x 103 x 77mm (5.2" x 4.1" x 3.0") | 121 x 93 x 70mm (4.8" x 3.7" x 2.8") |
DXO scores | ||
DXO All around score | 73 | 78 |
DXO Color Depth score | 22.7 | 23.5 |
DXO Dynamic range score | 12.5 | 13.0 |
DXO Low light score | 977 | 1061 |
Other | ||
Battery life | 850 photos | 410 photos |
Type of battery | Battery Pack | Battery Pack |
Battery model | EN-EL3e | D-LI109 |
Self timer | Yes (2, 5, 10 or 20 sec) | Yes ( 2 or 12 seconds) |
Time lapse shooting | ||
Type of storage | SD/SDHC | SD/SDHC/SDXC |
Storage slots | Single | Single |
Price at launch | $1,199 | $339 |