Clicky

Nikon D100 vs Pentax K-S1

Portability
58
Imaging
43
Features
33
Overall
39
Nikon D100 front
 
Pentax K-S1 front
Portability
69
Imaging
64
Features
70
Overall
66

Nikon D100 vs Pentax K-S1 Key Specs

Nikon D100
(Full Review)
  • 6MP - APS-C Sensor
  • 1.8" Fixed Screen
  • ISO 200 - 1600
  • No Video
  • Nikon F Mount
  • 780g - 144 x 116 x 81mm
  • Launched July 2002
  • Later Model is Nikon D200
Pentax K-S1
(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
  • Announced August 2014
  • Newer Model is Pentax K-S2
Snapchat Adds Watermarks to AI-Created Images

Nikon D100 vs Pentax K-S1 Overview

Let's look more closely at the Nikon D100 versus Pentax K-S1, both Advanced DSLR digital cameras by manufacturers Nikon and Pentax. There is a sizable difference between the sensor resolutions of the D100 (6MP) and K-S1 (20MP) but both cameras offer the same sensor size (APS-C).

Photography Glossary

The D100 was brought out 13 years before the K-S1 which is quite a significant difference as far as tech is concerned. The two cameras have the same body design (Mid-size SLR).

Before we go into a comprehensive comparison, here is a concise introduction of how the D100 grades vs the K-S1 for portability, imaging, features and an overall score.

Photobucket discusses licensing 13 billion images with AI firms
	
	

Reasons to pick Nikon D100 over the Pentax K-S1

 D100 K-S1 

Reasons to pick Pentax K-S1 over the Nikon D100

 K-S1 D100 
AnnouncedAugust 2014July 2002More modern by 147 months
Screen dimensions3"1.8"Bigger screen (+1.2")
Screen resolution921k118kSharper screen (+803k dot)

Common features in the Nikon D100 and Pentax K-S1

 D100 K-S1 
Manual focus Very accurate focusing
Screen typeFixed Fixed Fixed screen
Selfie screen Lack of selfie screen
Touch friendly screen Neither features Touch friendly screen

Nikon D100 vs Pentax K-S1 Physical Comparison

For those who are planning to carry around your camera regularly, you will have to factor in its weight and proportions. The Nikon D100 enjoys outside measurements of 144mm x 116mm x 81mm (5.7" x 4.6" x 3.2") accompanied by a weight of 780 grams (1.72 lbs) whilst the Pentax K-S1 has measurements of 121mm x 93mm x 70mm (4.8" x 3.7" x 2.8") with a weight of 558 grams (1.23 lbs).

Compare the Nikon D100 versus Pentax K-S1 in our completely new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an ILC will vary based on the lens you use at the time. Here is a front view measurement comparison of the D100 vs the K-S1.

Nikon D100 vs Pentax K-S1 size comparison

Looking at size and weight, the portability rating of the D100 and K-S1 is 58 and 69 respectively.

Nikon D100 vs Pentax K-S1 top view buttons comparison

Nikon D100 vs Pentax K-S1 Sensor Comparison

Often, its difficult to see the gap between sensor sizes only by reading through specs. The image here should provide you a clearer sense of the sensor measurements in the D100 and K-S1.

As you can plainly see, the 2 cameras have the same sensor dimensions albeit not the same megapixels. You can count on the Pentax K-S1 to give extra detail having its extra 14 Megapixels. Higher resolution will also enable you to crop shots a bit more aggressively. The more aged D100 is going to be behind with regard to sensor tech.

Nikon D100 vs Pentax K-S1 sensor size comparison

Nikon D100 vs Pentax K-S1 Screen and ViewFinder

Nikon D100 vs Pentax K-S1 Screen and Viewfinder comparison
Japan-exclusive Leica Leitz Phone 3 features big sensor and new modes

Photography Type Scores

Portrait Comparison

Nikon D100 Portrait photography features
Pentax K-S1 Portrait photography features
49
manual focus
sensor size is decent (APS-C)
saves RAW files
no liveview feature
low MP (6MP)
78
you can focus manually
megapixel count decent (20 megapixels)
nice sensor size (APS-C)
comes with face detect autofocus
supports RAW files
Meta to Introduce 'AI-Generated' Labels for Media starting next month

Street Comparison

Nikon D100 Street photography info
Pentax K-S1 Street photography info
52
sensor size is decent (APS-C)
saves RAW files
no moving screen
does not have image stabilization
73
image stabilization (Sensor based)
nice sensor size (APS-C)
supports RAW files
lighter than others in class (558 grams)
great high ISO (51,200)
fixed screen
Samsung Releases Faster Versions of EVO MicroSD Cards

Sports Comparison

Nikon D100 as a Sports photography camera
Pentax K-S1 as a Sports photography camera
38
sensor size is decent (APS-C)
has phase detect auto focus
no liveview feature
very slow continuous shooting (3.0 frames/s)
does not have image stabilization
low MP (6 megapixels)
69
max shutter speed is good (1/6,000 seconds)
image stabilization (Sensor based)
megapixel count decent (20 megapixels)
nice sensor size (APS-C)
comes with tracking focus
has phase detect autofocus
painfully slow continuous shooting (5.4 frames/s)
not so great battery pack (410 CIPA)
Sora from OpenAI releases its first ever music video

Travel Comparison

Nikon D100 Travel photography info
Pentax K-S1 Travel photography info
41
built-in flash
missing Time Lapse mode
low MP (6MP)
doesn't contain selfie friendly display
60
lighter than others in class (558 grams)
megapixel count decent (20 megapixels)
flash built-in
no Time Lapse function
not so great battery pack (410 CIPA)
does not have a selfie friendly screen
President Biden pushes bill mandating TikTok sale or ban

Landscape Comparison

Nikon D100 Landscape photography info
Pentax K-S1 Landscape photography info
45
manual focus
interchangeable lenses (Nikon F mount)
sensor size is decent (APS-C)
saves RAW files
screen is small (1.8 inches)
no liveview feature
does not have image stabilization
low MP (6 megapixels)
missing Time Lapse mode
73
you can focus manually
change lenses (Pentax KAF2 mount)
screen is a decent size (3 inch)
image stabilization (Sensor based)
megapixel count decent (20 megapixels)
nice sensor size (APS-C)
doesnt have anti aliasing filter
great high ISO (51,200)
supports RAW files
not so great battery pack (410 per charge)
no Time Lapse function
Apple Innovates by Creating Next-Level Optical Stabilization for iPhone

Vlogging Comparison

Nikon D100 Vlogging factors
Pentax K-S1 Vlogging factors
9
no video shooting
33
image stabilization (Sensor based)
comes with face detect autofocus
video resolution high (1920 x 1080 resolution)
lighter than others in class (558g)
does not have a selfie friendly screen
no mic support
Body cameras now worn by bakery staff to deter stealing

Nikon D100 vs Pentax K-S1 Specifications

Detailed spec comparison table for Nikon D100 and Pentax K-S1
 Nikon D100Pentax K-S1
General Information
Brand Name Nikon Pentax
Model Nikon D100 Pentax K-S1
Class Advanced DSLR Advanced DSLR
Launched 2002-07-26 2014-08-27
Physical type Mid-size SLR Mid-size SLR
Sensor Information
Processor - Prime MII
Sensor type CCD CMOS
Sensor size APS-C APS-C
Sensor dimensions 23.7 x 15.5mm 23.5 x 15.6mm
Sensor surface area 367.4mm² 366.6mm²
Sensor resolution 6 megapixels 20 megapixels
Anti aliasing filter
Aspect ratio 3:2 3:2
Peak resolution 3008 x 2000 5472 x 3648
Highest native ISO 1600 51200
Min native ISO 200 100
RAW support
Autofocusing
Focus manually
Autofocus touch
Continuous autofocus
Single autofocus
Autofocus tracking
Autofocus selectice
Autofocus center weighted
Autofocus multi area
Live view autofocus
Face detection focus
Contract detection focus
Phase detection focus
Number of focus points - 11
Lens
Lens mounting type Nikon F Pentax KAF2
Available lenses 309 151
Crop factor 1.5 1.5
Screen
Type of screen Fixed Type Fixed Type
Screen sizing 1.8" 3"
Resolution of screen 118 thousand dots 921 thousand dots
Selfie friendly
Liveview
Touch function
Viewfinder Information
Viewfinder type Optical (pentaprism) Optical (pentaprism)
Viewfinder coverage 95% 100%
Viewfinder magnification 0.53x 0.64x
Features
Min shutter speed 30 seconds 30 seconds
Max shutter speed 1/4000 seconds 1/6000 seconds
Continuous shutter rate 3.0fps 5.4fps
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Change white balance
Image stabilization
Integrated flash
Flash range 11.00 m 10.00 m (at ISO 100)
Flash settings 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
AE bracketing
White balance bracketing
Max flash synchronize 1/180 seconds -
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions - 1920 x 1080 (30,25,24 fps), 1280 x 720 (60,50 fps)
Highest video resolution None 1920x1080
Video data format - H.264
Mic support
Headphone support
Connectivity
Wireless None Eye-Fi Connected
Bluetooth
NFC
HDMI
USB USB 1.0 (1.5 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None Optional
Physical
Environment sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 780 gr (1.72 lbs) 558 gr (1.23 lbs)
Physical dimensions 144 x 116 x 81mm (5.7" x 4.6" x 3.2") 121 x 93 x 70mm (4.8" x 3.7" x 2.8")
DXO scores
DXO Overall score not tested 78
DXO Color Depth score not tested 23.5
DXO Dynamic range score not tested 13.0
DXO Low light score not tested 1061
Other
Battery life - 410 pictures
Battery style - Battery Pack
Battery model - D-LI109
Self timer Yes (2, 5, 2 or 100 sec) Yes ( 2 or 12 seconds)
Time lapse shooting
Type of storage Compact Flash (Type I or II) SD/SDHC/SDXC
Card slots 1 1
Price at release $170 $339