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Pentax K100D vs Pentax RZ10

Portability
64
Imaging
45
Features
36
Overall
41
Pentax K100D front
 
Pentax Optio RZ10 front
Portability
92
Imaging
37
Features
31
Overall
34

Pentax K100D vs Pentax RZ10 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
  • Revealed December 2006
  • New Model is Pentax K100D S
Pentax RZ10
(Full Review)
  • 14MP - 1/2.3" Sensor
  • 2.7" Fixed Screen
  • ISO 80 - 6400
  • Sensor-shift Image Stabilization
  • 1280 x 720 video
  • 28-280mm (F3.2-5.9) lens
  • 178g - 97 x 61 x 33mm
  • Revealed July 2011
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Pentax K100D vs Pentax RZ10 Overview

In this article, we will be reviewing the Pentax K100D vs Pentax RZ10, one being a Entry-Level DSLR and the latter is a Small Sensor Compact and both are produced by Pentax. There is a sizeable difference among the sensor resolutions of the K100D (6MP) and RZ10 (14MP) and the K100D (APS-C) and RZ10 (1/2.3") possess different sensor sizes.

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The K100D was introduced 5 years before the RZ10 and that is a fairly large gap as far as camera tech is concerned. Both of the cameras offer different body type with the Pentax K100D being a Compact SLR camera and the Pentax RZ10 being a Compact camera.

Before we go through a thorough comparison, below is a quick highlight of how the K100D matches up vs the RZ10 for portability, imaging, features and an overall rating.

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Reasons to pick Pentax K100D over the Pentax RZ10

 K100D RZ10 

Reasons to pick Pentax RZ10 over the Pentax K100D

 RZ10 K100D 
RevealedJuly 2011December 2006Fresher by 56 months
Screen sizing2.7"2.5"Bigger screen (+0.2")
Screen resolution230k210kClearer screen (+20k dot)

Common features in the Pentax K100D and Pentax RZ10

 K100D RZ10 
Manual focus More exact focus
Screen typeFixed Fixed Fixed screen
Selfie screen Neither features selfie screen
Touch screen Neither features Touch screen

Pentax K100D vs Pentax RZ10 Physical Comparison

When you are planning to carry your camera frequently, you will need to factor its weight and volume. The Pentax K100D enjoys outside measurements of 129mm x 93mm x 70mm (5.1" x 3.7" x 2.8") along with a weight of 660 grams (1.46 lbs) whilst the Pentax RZ10 has sizing of 97mm x 61mm x 33mm (3.8" x 2.4" x 1.3") along with a weight of 178 grams (0.39 lbs).

Check the Pentax K100D vs Pentax RZ10 in the all new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an Interchangeable Lens Camera will differ based on the lens you have chosen at the time. Here is the front view over all size comparison of the K100D versus the RZ10.

Pentax K100D vs Pentax RZ10 size comparison

Considering size and weight, the portability rating of the K100D and RZ10 is 64 and 92 respectively.

Pentax K100D vs Pentax RZ10 top view buttons comparison

Pentax K100D vs Pentax RZ10 Sensor Comparison

Oftentimes, it can be difficult to picture the difference in sensor sizing simply by researching specifications. The graphic here should give you a far better sense of the sensor measurements in the K100D and RZ10.

To sum up, the two cameras offer different megapixels and different sensor sizing. The K100D using its bigger sensor is going to make getting shallow depth of field less difficult and the Pentax RZ10 will provide you with extra detail using its extra 8 Megapixels. Higher resolution will also help you crop shots a little more aggressively. The older K100D will be behind when it comes to sensor tech.

Pentax K100D vs Pentax RZ10 sensor size comparison

Pentax K100D vs Pentax RZ10 Screen and ViewFinder

Pentax K100D vs Pentax RZ10 Screen and Viewfinder comparison
Photography Glossary

Photography Type Scores

Portrait Comparison

Pentax K100D as a Portrait photography camera
Pentax RZ10 as a Portrait photography camera
51
manual focus
decent sensor size (APS-C)
supports RAW formats
doesn't have liveview
low MP (6MP)
35
manual focus
megapixel count good (14MP)
manual mode not possible
cannot use external flash
tiny sensor (1/2.3")
has no RAW format
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Street Comparison

Pentax K100D as a Street photography camera
Pentax RZ10 as a Street photography camera
58
built in image stabilization (Sensor based)
decent sensor size (APS-C)
supports RAW formats
no articulating screen
more heavy than competition (660 grams)
61
has image stabilization (Sensor-shift)
weather proofing
no moving screen
tiny sensor (1/2.3")
has no RAW format
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Sports Comparison

Pentax K100D Sports photography info
Pentax RZ10 Sports photography info
47
built in image stabilization (Sensor based)
decent sensor size (APS-C)
sensor has phase detect autofocus
doesn't have liveview
max frames per second very slow (3.0 frames/s)
low MP (6MP)
40
has image stabilization (Sensor-shift)
megapixel count good (14MP)
offers tracking focus
weather proofing
continuous shooting slow (1.0 frames/s)
no shutter priority mode
tiny sensor (1/2.3")
low battery (178 CIPA)
has no phase detect auto focus
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Travel Comparison

Pentax K100D Travel photography advice
Pentax RZ10 Travel photography advice
42
has built in flash
doesn't have Timelapse function
more heavy than competition (660g)
low MP (6 megapixels)
does not have selfie friendly screen
66
weather proofing
megapixel count good (14MP)
built-in flash
fairly wide (28mm)
very long reach (280mm)
lack of Timelapse recording
low battery (178 per charge)
doesn't posses selfie friendly display
somewhat slow max aperture (f3.2)
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Landscape Comparison

Pentax K100D Landscape photography advice
Pentax RZ10 Landscape photography advice
52
manual focus
change lenses (Pentax KAF mount)
built in image stabilization (Sensor based)
decent sensor size (APS-C)
supports RAW formats
tiny screen (2.5 inch)
doesn't have liveview
low MP (6MP)
doesn't have Timelapse function
43
manual focus
fairly wide (28mm)
has image stabilization (Sensor-shift)
megapixel count good (14MP)
weather proofing
lens is fixed (fixed lens mount)
somewhat slow max aperture (f3.2)
screen is somewhat small (2.7 inch)
manual mode not possible
tiny sensor (1/2.3")
has no RAW format
low battery (178 shots)
lack of Timelapse recording
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Vlogging Comparison

Pentax K100D Vlogging info
Pentax RZ10 Vlogging info
9
no video
28
fairly wide (28mm)
has image stabilization (Sensor-shift)
somewhat slow max aperture (f3.2)
doesn't posses selfie friendly display
video quality not great (1280 x 720 pxls)
lack of microphone socket
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Pentax K100D vs Pentax RZ10 Specifications

Detailed spec comparison table for Pentax K100D and Pentax RZ10
 Pentax K100DPentax Optio RZ10
General Information
Manufacturer Pentax Pentax
Model type Pentax K100D Pentax Optio RZ10
Class Entry-Level DSLR Small Sensor Compact
Revealed 2006-12-03 2011-07-19
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 6.08 x 4.56mm
Sensor area 369.0mm² 27.7mm²
Sensor resolution 6MP 14MP
Anti alias filter
Aspect ratio 3:2 1:1, 4:3 and 16:9
Full resolution 3008 x 2008 4288 x 3216
Max native ISO 3200 6400
Min native ISO 200 80
RAW support
Autofocusing
Focus manually
Touch focus
AF continuous
Single AF
Tracking AF
Selective AF
Center weighted AF
Multi area AF
AF live view
Face detect focusing
Contract detect focusing
Phase detect focusing
Total focus points 11 9
Lens
Lens mount type Pentax KAF fixed lens
Lens zoom range - 28-280mm (10.0x)
Max aperture - f/3.2-5.9
Macro focusing range - 1cm
Available lenses 151 -
Crop factor 1.5 5.9
Screen
Display type Fixed Type Fixed Type
Display diagonal 2.5 inch 2.7 inch
Display resolution 210k dots 230k dots
Selfie friendly
Liveview
Touch operation
Display tech - TFT color LCD with Anti-reflective coating
Viewfinder Information
Viewfinder Optical (pentamirror) None
Viewfinder coverage 96 percent -
Viewfinder magnification 0.57x -
Features
Slowest shutter speed 30 seconds 4 seconds
Maximum shutter speed 1/4000 seconds 1/2000 seconds
Continuous shooting rate 3.0 frames/s 1.0 frames/s
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes -
Custom WB
Image stabilization
Inbuilt flash
Flash distance - 2.80 m
Flash options Auto, On, Off, Red-eye reduction Auto, On, Off, Red-eye, Soft
Hot shoe
Auto exposure bracketing
WB bracketing
Maximum flash synchronize 1/180 seconds -
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions - 1280 x 720 (30, 15 fps), 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps)
Max video resolution None 1280x720
Video format - Motion JPEG
Microphone 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 proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 660g (1.46 lbs) 178g (0.39 lbs)
Dimensions 129 x 93 x 70mm (5.1" x 3.7" x 2.8") 97 x 61 x 33mm (3.8" x 2.4" x 1.3")
DXO scores
DXO All around 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 - 178 images
Style of battery - Battery Pack
Battery ID 4 x AA D-LI92
Self timer Yes (2 or 12 sec) Yes (2 or 10 sec)
Time lapse feature
Type of storage SD/MMC card SD/SDHC, Internal
Card slots One One
Cost at launch $0 $200