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Pentax K100D S vs Pentax S1

Portability
65
Imaging
45
Features
38
Overall
42
Pentax K100D Super front
 
Pentax Optio S1 front
Portability
93
Imaging
37
Features
31
Overall
34

Pentax K100D S vs Pentax S1 Key Specs

Pentax K100D S
(Full Review)
  • 6MP - APS-C Sensor
  • 2.5" Fixed Screen
  • ISO 200 - 3200
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF2 Mount
  • 646g - 129 x 91 x 71mm
  • Released June 2007
  • Earlier Model is Pentax K100D
  • Refreshed by Pentax K200D
Pentax S1
(Full Review)
  • 14MP - 1/2.3" Sensor
  • 2.7" Fixed Screen
  • ISO 80 - 6400
  • Sensor-shift Image Stabilization
  • 1280 x 720 video
  • 28-140mm (F3.5-5.5) lens
  • 157g - 114 x 58 x 28mm
  • Released March 2011
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Pentax K100D S vs Pentax S1 Overview

Its time to take a closer look at the Pentax K100D S and Pentax S1, one being a Entry-Level DSLR and the latter is a Small Sensor Compact and they are both sold by Pentax. There exists a big gap among the resolutions of the K100D S (6MP) and S1 (14MP) and the K100D S (APS-C) and S1 (1/2.3") offer different sensor sizes.

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The K100D S was launched 4 years before the S1 and that is a fairly big gap as far as camera technology is concerned. Each of these cameras feature different body design with the Pentax K100D S being a Compact SLR camera and the Pentax S1 being a Compact camera.

Before going straight to a in depth comparison, here is a brief summation of how the K100D S matches up versus the S1 in the way of portability, imaging, features and an overall grade.

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Reasons to pick Pentax K100D S over the Pentax S1

 K100D S S1 

Reasons to pick Pentax S1 over the Pentax K100D S

 S1 K100D S 
ReleasedMarch 2011June 2007More recent by 44 months
Screen size2.7"2.5"Bigger screen (+0.2")
Screen resolution230k210kCrisper screen (+20k dot)

Common features in the Pentax K100D S and Pentax S1

 K100D S S1 
Focus manually More precise focusing
Screen typeFixed Fixed Fixed screen
Selfie screen Neither contains selfie screen
Touch screen Neither contains Touch screen

Pentax K100D S vs Pentax S1 Physical Comparison

When you are going to lug around your camera, you need to factor in its weight and proportions. The Pentax K100D S has got external measurements of 129mm x 91mm x 71mm (5.1" x 3.6" x 2.8") having a weight of 646 grams (1.42 lbs) while the Pentax S1 has measurements of 114mm x 58mm x 28mm (4.5" x 2.3" x 1.1") and a weight of 157 grams (0.35 lbs).

Examine the Pentax K100D S and Pentax S1 in the new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember, the weight of an Interchangeable Lens Camera will change depending on the lens you are working with at the time. Underneath is a front view size comparison of the K100D S against the S1.

Pentax K100D S vs Pentax S1 size comparison

Taking into account dimensions and weight, the portability score of the K100D S and S1 is 65 and 93 respectively.

Pentax K100D S vs Pentax S1 top view buttons comparison

Pentax K100D S vs Pentax S1 Sensor Comparison

More often than not, it can be hard to picture the contrast in sensor measurements merely by going through technical specs. The photograph here might provide you a stronger sense of the sensor sizing in the K100D S and S1.

As you have seen, both the cameras feature different megapixels and different sensor measurements. The K100D S because of its bigger sensor is going to make getting shallow depth of field less difficult and the Pentax S1 will provide greater detail utilizing its extra 8 Megapixels. Higher resolution will help you crop shots way more aggressively. The older K100D S will be disadvantaged when it comes to sensor technology.

Pentax K100D S vs Pentax S1 sensor size comparison

Pentax K100D S vs Pentax S1 Screen and ViewFinder

Pentax K100D S vs Pentax S1 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K100D S Portrait photography info
Pentax S1 Portrait photography info
51
you can focus manually
good sensor size (APS-C)
supports RAW formats
no liveview feature
low MP (6 megapixels)
35
has manual focus
MP count decent (14 megapixels)
no manual mode
can't use external flash
tiny sensor (1/2.3")
has no RAW support
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Street Comparison

Street photography with Pentax K100D S
Street photography with Pentax S1
64
image stabilization (Sensor based)
good sensor size (APS-C)
supports RAW formats
screen is fixed
56
image stabilization (Sensor-shift)
screen does not articulate
tiny sensor (1/2.3")
has no RAW support
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Sports Comparison

Pentax K100D S as a Sports photography camera
Pentax S1 as a Sports photography camera
47
image stabilization (Sensor based)
good sensor size (APS-C)
sensor has phase detect AF
no liveview feature
continuous shooting slow (3.0 frames/s)
low MP (6MP)
39
image stabilization (Sensor-shift)
MP count decent (14 megapixels)
comes with tracking autofocus
very slow continuous shooting (1.0 frames/s)
no shutter priority mode
tiny sensor (1/2.3")
has no phase detect auto focus
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Travel Comparison

Pentax K100D S as a Travel photography camera
Pentax S1 as a Travel photography camera
45
has built in flash
missing Time Lapse function
low MP (6MP)
does not posses selfie friendly display
64
MP count decent (14 megapixels)
has built in flash
really wide (28mm)
lack of Timelapse recording
screen is not selfie friendly
slow maximum aperture (f3.5)
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Landscape Comparison

Pentax K100D S Landscape photography highlights
Pentax S1 Landscape photography highlights
52
you can focus manually
interchangeable lenses (Pentax KAF2 mount)
image stabilization (Sensor based)
good sensor size (APS-C)
supports RAW formats
tiny screen (2.5 inch)
no liveview feature
low MP (6 megapixels)
missing Time Lapse function
42
has manual focus
really wide (28mm)
image stabilization (Sensor-shift)
MP count decent (14MP)
can't swap lenses (fixed lens mount)
slow maximum aperture (f3.5)
screen is somewhat small (2.7 inch)
no manual mode
tiny sensor (1/2.3")
has no RAW support
lack of Timelapse recording
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Vlogging Comparison

Vlogging with Pentax K100D S
Vlogging with Pentax S1
9
no video
28
really wide (28mm)
image stabilization (Sensor-shift)
slow maximum aperture (f3.5)
screen is not selfie friendly
video resolution low (1280 x 720 pixels)
lack of external microphone support
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Pentax K100D S vs Pentax S1 Specifications

Detailed spec comparison table for Pentax K100D S and Pentax S1
 Pentax K100D SuperPentax Optio S1
General Information
Manufacturer Pentax Pentax
Model type Pentax K100D Super Pentax Optio S1
Class Entry-Level DSLR Small Sensor Compact
Released 2007-06-28 2011-03-02
Physical type Compact SLR Compact
Sensor Information
Sensor type CCD CCD
Sensor size APS-C 1/2.3"
Sensor measurements 23.5 x 15.7mm 6.17 x 4.55mm
Sensor area 369.0mm² 28.1mm²
Sensor resolution 6 megapixels 14 megapixels
Anti alias filter
Aspect ratio 3:2 1:1, 4:3 and 16:9
Peak resolution 3008 x 2008 4288 x 3216
Highest native ISO 3200 6400
Minimum native ISO 200 80
RAW photos
Autofocusing
Manual focusing
AF touch
AF continuous
AF single
AF tracking
Selective AF
Center weighted AF
Multi area AF
AF live view
Face detection focusing
Contract detection focusing
Phase detection focusing
Total focus points 11 9
Lens
Lens mount type Pentax KAF2 fixed lens
Lens zoom range - 28-140mm (5.0x)
Highest aperture - f/3.5-5.5
Macro focusing range - 1cm
Number of lenses 151 -
Focal length multiplier 1.5 5.8
Screen
Type of screen Fixed Type Fixed Type
Screen size 2.5 inch 2.7 inch
Resolution of screen 210k dots 230k dots
Selfie friendly
Liveview
Touch functionality
Screen tech - TFT color LCD with Anti-reflective coating
Viewfinder Information
Viewfinder Optical (pentamirror) None
Viewfinder coverage 96 percent -
Viewfinder magnification 0.57x -
Features
Minimum shutter speed 30s 4s
Fastest shutter speed 1/4000s 1/1500s
Continuous shutter rate 3.0 frames per second 1.0 frames per second
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes -
Change WB
Image stabilization
Integrated flash
Flash distance - 3.90 m
Flash modes Auto, On, Off, Red-eye reduction Auto, On, Off, Red-eye, Soft
Hot shoe
AE bracketing
WB bracketing
Fastest flash synchronize 1/180s -
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported 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 format - Motion JPEG
Microphone support
Headphone support
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 646 gr (1.42 lb) 157 gr (0.35 lb)
Physical dimensions 129 x 91 x 71mm (5.1" x 3.6" x 2.8") 114 x 58 x 28mm (4.5" x 2.3" x 1.1")
DXO scores
DXO Overall rating not tested not tested
DXO Color Depth rating not tested not tested
DXO Dynamic range rating not tested not tested
DXO Low light rating not tested not tested
Other
Battery life - 260 photos
Battery style - Battery Pack
Battery ID 4 x AA D-LI92
Self timer Yes (2 or 12 sec) Yes (2 or 10 sec)
Time lapse recording
Storage type SD/SDHC card SD/SDHC/SDXC, Internal
Card slots 1 1
Launch cost $520 $174