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Pentax K100D vs Ricoh CX4

Portability
64
Imaging
44
Features
36
Overall
40
Pentax K100D front
 
Ricoh CX4 front
Portability
92
Imaging
33
Features
34
Overall
33

Pentax K100D vs Ricoh CX4 Key Specs

Pentax K100D
(Full Review)
  • 6MP - APS-C Sensor
  • 2.5" Fixed Display
  • ISO 200 - 3200
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF Mount
  • 660g - 129 x 93 x 70mm
  • Released December 2006
  • Renewed by Pentax K100D S
Ricoh CX4
(Full Review)
  • 10MP - 1/2.3" Sensor
  • 3" Fixed Display
  • ISO 100 - 3200
  • Sensor-shift Image Stabilization
  • 1280 x 720 video
  • 28-300mm (F3.5-5.6) lens
  • 205g - 102 x 59 x 29mm
  • Released August 2010
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Pentax K100D vs Ricoh CX4 Overview

Below is a thorough review of the Pentax K100D vs Ricoh CX4, former being a Entry-Level DSLR while the other is a Small Sensor Superzoom by rivals Pentax and Ricoh. There is a substantial difference among the sensor resolutions of the K100D (6MP) and CX4 (10MP) and the K100D (APS-C) and CX4 (1/2.3") possess totally different sensor size.

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The K100D was announced 4 years prior to the CX4 and that is a fairly big difference as far as camera tech is concerned. Both cameras come with different body type with the Pentax K100D being a Compact SLR camera and the Ricoh CX4 being a Compact camera.

Before getting through a thorough comparison, below is a simple overview of how the K100D scores versus the CX4 with regard to portability, imaging, features and an overall grade.

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Reasons to pick Pentax K100D over the Ricoh CX4

 K100D CX4 

Reasons to pick Ricoh CX4 over the Pentax K100D

 CX4 K100D 
ReleasedAugust 2010December 2006More recent by 45 months
Display dimension3"2.5"Larger display (+0.5")
Display resolution920k210kSharper display (+710k dot)

Common features in the Pentax K100D and Ricoh CX4

 K100D CX4 
Manual focus Very exact focus
Display typeFixed Fixed Fixed display
Selfie screen Missing selfie screen
Touch friendly display Missing Touch friendly display

Pentax K100D vs Ricoh CX4 Physical Comparison

When you are going to lug around your camera, you'll need to factor in its weight and proportions. The Pentax K100D features outer dimensions of 129mm x 93mm x 70mm (5.1" x 3.7" x 2.8") and a weight of 660 grams (1.46 lbs) while the Ricoh CX4 has measurements of 102mm x 59mm x 29mm (4.0" x 2.3" x 1.1") and a weight of 205 grams (0.45 lbs).

Compare the Pentax K100D vs Ricoh CX4 in our completely new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an ILC will differ based on the lens you are utilising at the time. Following is the front view measurements comparison of the K100D compared to the CX4.

Pentax K100D vs Ricoh CX4 size comparison

Looking at size and weight, the portability grade of the K100D and CX4 is 64 and 92 respectively.

Pentax K100D vs Ricoh CX4 top view buttons comparison

Pentax K100D vs Ricoh CX4 Sensor Comparison

Oftentimes, it can be difficult to visualise the contrast in sensor measurements simply by researching specs. The photograph here might give you a better sense of the sensor sizes in the K100D and CX4.

As you can plainly see, both of those cameras have got different megapixel count and different sensor measurements. The K100D having a larger sensor will make achieving shallow DOF easier and the Ricoh CX4 will render greater detail with its extra 4 Megapixels. Greater resolution will also make it easier to crop photos much more aggressively. The older K100D will be behind when it comes to sensor tech.

Pentax K100D vs Ricoh CX4 sensor size comparison

Pentax K100D vs Ricoh CX4 Screen and ViewFinder

Pentax K100D vs Ricoh CX4 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K100D Portrait photography highlights
Ricoh CX4 Portrait photography highlights
50
you can focus manually
sensor size is nice (APS-C)
supports RAW files
no liveview feature
low megapixels (6MP)
26
manual focus
no manual control
cannot use external flash
megapixel count low (10 megapixels)
tiny sensor (1/2.3")
lacks RAW format
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Street Comparison

Pentax K100D as a Street photography camera
Ricoh CX4 as a Street photography camera
58
has image stabilization (Sensor based)
sensor size is nice (APS-C)
supports RAW files
fixed screen
heavier than average in class (660 grams)
60
built in image stabilization (Sensor-shift)
lighter than competitors (205 grams)
screen does not articulate
tiny sensor (1/2.3")
lacks RAW format
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Sports Comparison

Sports photography with Pentax K100D
Sports photography with Ricoh CX4
47
has image stabilization (Sensor based)
sensor size is nice (APS-C)
comes with phase detect auto focus
no liveview feature
low fps (3.0 frames per second)
low megapixels (6MP)
24
built in image stabilization (Sensor-shift)
max fps low (5.0 fps)
no shutter priority mode
megapixel count low (10MP)
tiny sensor (1/2.3")
lacks phase detect autofocus
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Travel Comparison

Pentax K100D Travel photography info
Ricoh CX4 Travel photography info
42
flash built-in
does not have Time Lapse mode
heavier than average in class (660 grams)
low megapixels (6 megapixels)
does not have a selfie friendly screen
66
lighter than competitors (205 grams)
flash built-in
quite wide (28mm)
great reach (300mm)
megapixel count low (10MP)
does not have a selfie friendly display
slow maximum aperture (f3.5)
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Landscape Comparison

Pentax K100D Landscape photography advice
Ricoh CX4 Landscape photography advice
51
you can focus manually
change lenses (Pentax KAF mount)
has image stabilization (Sensor based)
sensor size is nice (APS-C)
supports RAW files
small screen (2.5 inches)
no liveview feature
low megapixels (6 megapixels)
does not have Time Lapse mode
42
manual focus
quite wide (28mm)
nice screen size (3 inch)
built in image stabilization (Sensor-shift)
fixed lens (fixed lens mount)
slow maximum aperture (f3.5)
no manual control
megapixel count low (10MP)
tiny sensor (1/2.3")
lacks RAW format
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Vlogging Comparison

Vlogging with Pentax K100D
Vlogging with Ricoh CX4
9
no video shooting
30
quite wide (28mm)
built in image stabilization (Sensor-shift)
lighter than competitors (205g)
slow maximum aperture (f3.5)
does not have a selfie friendly display
video resolution low (1280 x 720 resolution)
no external mic support
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Pentax K100D vs Ricoh CX4 Specifications

Detailed spec comparison table for Pentax K100D and Ricoh CX4
 Pentax K100DRicoh CX4
General Information
Brand Pentax Ricoh
Model type Pentax K100D Ricoh CX4
Type Entry-Level DSLR Small Sensor Superzoom
Released 2006-12-03 2010-08-19
Physical type Compact SLR Compact
Sensor Information
Powered by - Smooth Imaging Engine IV
Sensor type CCD BSI-CMOS
Sensor size APS-C 1/2.3"
Sensor dimensions 23.5 x 15.7mm 6.17 x 4.55mm
Sensor area 369.0mm² 28.1mm²
Sensor resolution 6 megapixel 10 megapixel
Anti alias filter
Aspect ratio 3:2 1:1, 4:3 and 3:2
Highest Possible resolution 3008 x 2008 3648 x 2736
Maximum native ISO 3200 3200
Lowest native ISO 200 100
RAW format
Autofocusing
Manual focusing
Autofocus touch
Autofocus continuous
Autofocus single
Autofocus tracking
Selective autofocus
Autofocus center weighted
Multi area autofocus
Autofocus live view
Face detect focus
Contract detect focus
Phase detect focus
Total focus points 11 -
Cross type focus points - -
Lens
Lens support Pentax KAF fixed lens
Lens zoom range - 28-300mm (10.7x)
Maximal aperture - f/3.5-5.6
Macro focusing distance - 1cm
Number of lenses 151 -
Focal length multiplier 1.5 5.8
Screen
Type of display Fixed Type Fixed Type
Display size 2.5" 3"
Resolution of display 210 thousand dots 920 thousand dots
Selfie friendly
Liveview
Touch functionality
Viewfinder Information
Viewfinder Optical (pentamirror) None
Viewfinder coverage 96% -
Viewfinder magnification 0.57x -
Features
Minimum shutter speed 30 seconds 8 seconds
Fastest shutter speed 1/4000 seconds 1/2000 seconds
Continuous shutter rate 3.0fps 5.0fps
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes -
Change white balance
Image stabilization
Inbuilt flash
Flash distance - 4.00 m
Flash modes Auto, On, Off, Red-eye reduction Auto, On, Off, Red-Eye, Slow Sync
Hot shoe
Auto exposure bracketing
WB bracketing
Fastest flash synchronize 1/180 seconds -
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions - 1280 x 720 (30 fps), 640 x 480 (30 fps), 320 x 240 (30 fps)
Maximum video resolution None 1280x720
Video format - Motion JPEG
Mic 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 660g (1.46 lbs) 205g (0.45 lbs)
Dimensions 129 x 93 x 70mm (5.1" x 3.7" x 2.8") 102 x 59 x 29mm (4.0" 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 ID 4 x AA DB-100
Self timer Yes (2 or 12 sec) Yes (2, 10 or Custom)
Time lapse shooting
Storage type SD/MMC card SD/SDHC/SDXC card, Internal
Card slots One One
Retail price $0 $211