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Pentax K100D S vs Pentax H90

Portability
65
Imaging
45
Features
38
Overall
42
Pentax K100D Super front
 
Pentax Optio H90 front
Portability
93
Imaging
35
Features
24
Overall
30

Pentax K100D S vs Pentax H90 Key Specs

Pentax K100D S
(Full Review)
  • 6MP - APS-C Sensor
  • 2.5" Fixed Display
  • ISO 200 - 3200
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF2 Mount
  • 646g - 129 x 91 x 71mm
  • Released June 2007
  • Previous Model is Pentax K100D
  • Replacement is Pentax K200D
Pentax H90
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 2.7" Fixed Display
  • ISO 80 - 6400
  • Sensor-shift Image Stabilization
  • 1280 x 720 video
  • 28-140mm (F3.5-5.9) lens
  • 153g - 101 x 65 x 28mm
  • Revealed January 2010
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Pentax K100D S vs Pentax H90 Overview

Here is a in-depth overview of the Pentax K100D S and Pentax H90, former being a Entry-Level DSLR while the other is a Small Sensor Compact and both are sold by Pentax. There is a sizable difference among the resolutions of the K100D S (6MP) and H90 (12MP) and the K100D S (APS-C) and H90 (1/2.3") posses totally different sensor sizing.

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The K100D S was unveiled 3 years prior to the H90 and that is a fairly significant difference as far as camera tech is concerned. The two cameras feature different body design with the Pentax K100D S being a Compact SLR camera and the Pentax H90 being a Compact camera.

Before going right into a complete comparison, here is a brief overview of how the K100D S grades against the H90 in relation to portability, imaging, features and an overall rating.

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Reasons to pick Pentax K100D S over the Pentax H90

 K100D S H90 

Reasons to pick Pentax H90 over the Pentax K100D S

 H90 K100D S 
RevealedJanuary 2010June 2007Fresher by 31 months
Display size2.7"2.5"Larger display (+0.2")
Display resolution230k210kClearer display (+20k dot)

Common features in the Pentax K100D S and Pentax H90

 K100D S H90 
Focus manually More exact focus
Display typeFixed Fixed Fixed display
Selfie screen Lacking selfie screen
Touch friendly display Neither offers Touch friendly display

Pentax K100D S vs Pentax H90 Physical Comparison

For anyone who is aiming to carry your camera regularly, you are going to need to factor in its weight and volume. The Pentax K100D S offers exterior measurements of 129mm x 91mm x 71mm (5.1" x 3.6" x 2.8") along with a weight of 646 grams (1.42 lbs) and the Pentax H90 has sizing of 101mm x 65mm x 28mm (4.0" x 2.6" x 1.1") along with a weight of 153 grams (0.34 lbs).

Take a look at the Pentax K100D S and Pentax H90 in our completely new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Don't forget, the weight of an ILC will differ dependant on the lens you are working with during that time. Here is a front view measurements comparison of the K100D S vs the H90.

Pentax K100D S vs Pentax H90 size comparison

Using size and weight, the portability grade of the K100D S and H90 is 65 and 93 respectively.

Pentax K100D S vs Pentax H90 top view buttons comparison

Pentax K100D S vs Pentax H90 Sensor Comparison

In many cases, its hard to see the contrast in sensor sizing only by viewing specs. The graphic underneath will help provide you a more clear sense of the sensor measurements in the K100D S and H90.

As you can plainly see, both of these cameras feature different resolutions and different sensor sizing. The K100D S with its larger sensor will make shooting shallow depth of field less difficult and the Pentax H90 will provide you with extra detail having an extra 6MP. Greater resolution will make it easier to crop images way more aggressively. The older K100D S will be disadvantaged when it comes to sensor technology.

Pentax K100D S vs Pentax H90 sensor size comparison

Pentax K100D S vs Pentax H90 Screen and ViewFinder

Pentax K100D S vs Pentax H90 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K100D S as a Portrait photography camera
Pentax H90 as a Portrait photography camera
51
focusing manually
nice sensor size (APS-C)
saves RAW formats
doesn't have liveview
low resolution (6 megapixels)
27
focusing manually
manual exposure not available
cannot use external flash
low megapixels (12 megapixels)
very small sensor (1/2.3")
has no RAW files
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Street Comparison

Pentax K100D S Street photography details
Pentax H90 Street photography details
64
has image stabilization (Sensor based)
nice sensor size (APS-C)
saves RAW formats
no articulating screen
56
image stabilization (Sensor-shift)
no moving screen
very small sensor (1/2.3")
has no RAW files
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Sports Comparison

Pentax K100D S Sports photography information
Pentax H90 Sports photography information
47
has image stabilization (Sensor based)
nice sensor size (APS-C)
sensor has phase detect auto focus
doesn't have liveview
low frames per second (3.0 fps)
low resolution (6MP)
31
image stabilization (Sensor-shift)
features tracking autofocus
continuous shooting slow (1.0 frames per second)
no shutter priority mode
low megapixels (12MP)
very small sensor (1/2.3")
has no phase detect autofocus
Photography Glossary

Travel Comparison

Travel photography with Pentax K100D S
Travel photography with Pentax H90
45
has built in flash
lack of Time Lapse function
low resolution (6MP)
display is not selfie friendly
57
flash built-in
decently wide (28mm)
doesn't have Time Lapse recording
low megapixels (12MP)
display isn't selfie friendly
slow maximum aperture (f3.5)
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Landscape Comparison

Landscape photography with Pentax K100D S
Landscape photography with Pentax H90
52
focusing manually
switch lenses (Pentax KAF2 mount)
has image stabilization (Sensor based)
nice sensor size (APS-C)
saves RAW formats
screen is somewhat small (2.5")
doesn't have liveview
low resolution (6MP)
lack of Time Lapse function
36
focusing manually
decently wide (28mm)
image stabilization (Sensor-shift)
lens is fixed (fixed lens mount)
slow maximum aperture (f3.5)
small screen (2.7 inches)
manual exposure not available
low megapixels (12MP)
very small sensor (1/2.3")
has no RAW files
doesn't have Time Lapse recording
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Vlogging Comparison

Vlogging with Pentax K100D S
Vlogging with Pentax H90
9
lack of video recording
28
decently wide (28mm)
image stabilization (Sensor-shift)
slow maximum aperture (f3.5)
display isn't selfie friendly
video resolution low (1280 x 720 resolution)
doesn't have external mic socket
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Pentax K100D S vs Pentax H90 Specifications

Detailed spec comparison table for Pentax K100D S and Pentax H90
 Pentax K100D SuperPentax Optio H90
General Information
Company Pentax Pentax
Model Pentax K100D Super Pentax Optio H90
Type Entry-Level DSLR Small Sensor Compact
Released 2007-06-28 2010-01-25
Physical type Compact SLR Compact
Sensor Information
Chip - Prime
Sensor type CCD CCD
Sensor size APS-C 1/2.3"
Sensor dimensions 23.5 x 15.7mm 6.17 x 4.55mm
Sensor surface area 369.0mm² 28.1mm²
Sensor resolution 6 megapixels 12 megapixels
Anti aliasing filter
Aspect ratio 3:2 4:3 and 16:9
Highest resolution 3008 x 2008 4000 x 3000
Highest native ISO 3200 6400
Min native ISO 200 80
RAW files
Autofocusing
Focus manually
AF touch
Continuous AF
AF single
Tracking AF
AF selectice
AF center weighted
AF multi area
Live view AF
Face detect focusing
Contract detect focusing
Phase detect focusing
Number of focus points 11 9
Lens
Lens mount Pentax KAF2 fixed lens
Lens focal range - 28-140mm (5.0x)
Highest aperture - f/3.5-5.9
Macro focus distance - 10cm
Amount of lenses 151 -
Crop factor 1.5 5.8
Screen
Display type Fixed Type Fixed Type
Display sizing 2.5" 2.7"
Resolution of display 210 thousand dots 230 thousand dots
Selfie friendly
Liveview
Touch screen
Viewfinder Information
Viewfinder type Optical (pentamirror) None
Viewfinder coverage 96% -
Viewfinder magnification 0.57x -
Features
Lowest shutter speed 30 seconds 4 seconds
Highest shutter speed 1/4000 seconds 1/2000 seconds
Continuous shooting rate 3.0 frames/s 1.0 frames/s
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes -
Set WB
Image stabilization
Inbuilt flash
Flash range - 4.00 m
Flash options Auto, On, Off, Red-eye reduction Auto, On, Off, Red-eye, Soft
Hot shoe
AEB
White balance bracketing
Highest flash synchronize 1/180 seconds -
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions - 1280 x 720 (30, 15 fps), 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps)
Highest video resolution None 1280x720
Video data format - Motion JPEG
Mic 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 None None
Physical
Environment sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 646g (1.42 pounds) 153g (0.34 pounds)
Physical dimensions 129 x 91 x 71mm (5.1" x 3.6" x 2.8") 101 x 65 x 28mm (4.0" x 2.6" x 1.1")
DXO scores
DXO All around score not tested not tested
DXO Color Depth score not tested not tested
DXO Dynamic range score not tested not tested
DXO Low light score not tested not tested
Other
Battery model 4 x AA D-LI68
Self timer Yes (2 or 12 sec) Yes (2 or 10 sec)
Time lapse shooting
Type of storage SD/SDHC card SD/SDHC, Internal
Card slots Single Single
Pricing at launch $520 $150