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Olympus E-510 vs Pentax K100D

Portability
69
Imaging
44
Features
42
Overall
43
Olympus E-510 front
 
Pentax K100D front
Portability
64
Imaging
45
Features
36
Overall
41

Olympus E-510 vs Pentax K100D Key Specs

Olympus E-510
(Full Review)
  • 10MP - Four Thirds Sensor
  • 2.5" Fixed Display
  • ISO 100 - 1600
  • Sensor based Image Stabilization
  • No Video
  • Micro Four Thirds Mount
  • 490g - 136 x 92 x 68mm
  • Revealed November 2007
  • Also referred to as EVOLT E-510
  • Superseded the Olympus E-500
  • Renewed by Olympus E-520
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
  • Introduced December 2006
  • New Model is Pentax K100D S
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Olympus E-510 vs Pentax K100D Overview

In this write-up, we are looking at the Olympus E-510 versus Pentax K100D, former being a Advanced DSLR while the other is a Entry-Level DSLR by rivals Olympus and Pentax. There exists a noticeable gap between the image resolutions of the E-510 (10MP) and K100D (6MP) and the E-510 (Four Thirds) and K100D (APS-C) possess different sensor sizing.

Photography Glossary

The E-510 was revealed 12 months later than the K100D and they are both of a similar age. Both the cameras offer different body type with the Olympus E-510 being a Mid-size SLR camera and the Pentax K100D being a Compact SLR camera.

Before delving in to a step-by-step comparison, below is a short synopsis of how the E-510 scores vs the K100D with regard to portability, imaging, features and an overall rating.

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Reasons to pick Olympus E-510 over the Pentax K100D

 E-510 K100D 
IntroducedNovember 2007December 2006Fresher by 12 months
Display resolution230k210kCrisper display (+20k dot)

Reasons to pick Pentax K100D over the Olympus E-510

 K100D E-510 

Common features in the Olympus E-510 and Pentax K100D

 E-510 K100D 
Focus manually Dial exact focus
Display typeFixed Fixed Fixed display
Display sizing2.5"2.5"Equivalent display measurement
Selfie screen Neither contains selfie screen
Touch display Neither contains Touch display

Olympus E-510 vs Pentax K100D Physical Comparison

If you're aiming to carry your camera frequently, you'll have to consider its weight and volume. The Olympus E-510 has got outer dimensions of 136mm x 92mm x 68mm (5.4" x 3.6" x 2.7") with a weight of 490 grams (1.08 lbs) and the Pentax K100D has sizing of 129mm x 93mm x 70mm (5.1" x 3.7" x 2.8") accompanied by a weight of 660 grams (1.46 lbs).

Contrast the Olympus E-510 versus Pentax K100D in our brand new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember, the weight of an ILC will differ based on the lens you are utilising at the time. Underneath is the front view scale comparison of the E-510 against the K100D.

Olympus E-510 vs Pentax K100D size comparison

Taking into account dimensions and weight, the portability score of the E-510 and K100D is 69 and 64 respectively.

Olympus E-510 vs Pentax K100D top view buttons comparison

Olympus E-510 vs Pentax K100D Sensor Comparison

Sometimes, it can be tough to visualize the gap between sensor sizing merely by reviewing technical specs. The graphic below will provide you a far better sense of the sensor dimensions in the E-510 and K100D.

As you can tell, both cameras offer different megapixels and different sensor sizing. The E-510 using its tinier sensor is going to make shooting shallow depth of field tougher and the Olympus E-510 will deliver greater detail because of its extra 4MP. Greater resolution can also enable you to crop photos a little more aggressively. The more recent E-510 provides an advantage when it comes to sensor technology.

Olympus E-510 vs Pentax K100D sensor size comparison

Olympus E-510 vs Pentax K100D Screen and ViewFinder

Olympus E-510 vs Pentax K100D Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-510 Portrait photography information
Pentax K100D Portrait photography information
56
has manual focus
sensor size is good (Four Thirds)
saves RAW formats
low megapixels (10 megapixels)
51
focusing manually
sensor size is nice (APS-C)
exports RAW files
no liveview feature
sensor resolution low (6 megapixels)
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Street Comparison

Olympus E-510 as a Street photography camera
Pentax K100D as a Street photography camera
68
built in image stabilization (Sensor based)
sensor size is good (Four Thirds)
saves RAW formats
lighter than average in class (490g)
fixed screen
58
image stabilization (Sensor based)
sensor size is nice (APS-C)
exports RAW files
screen is fixed
more heavy than competition in class (660g)
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Sports Comparison

Olympus E-510 Sports photography information
Pentax K100D Sports photography information
52
built in image stabilization (Sensor based)
sensor size is good (Four Thirds)
has phase detect auto focus
slow continuous shooting (3.0 fps)
low megapixels (10 megapixels)
47
image stabilization (Sensor based)
sensor size is nice (APS-C)
has phase detect auto focus
no liveview feature
painfully slow continuous shooting (3.0 fps)
sensor resolution low (6MP)
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Travel Comparison

Olympus E-510 Travel photography highlights
Pentax K100D Travel photography highlights
52
lighter than average in class (490g)
flash built-in
does not have Time Lapse recording
low megapixels (10 megapixels)
display is not selfie friendly
42
flash built-in
lack of Timelapse function
more heavy than competition in class (660 grams)
sensor resolution low (6 megapixels)
doesn't feature selfie friendly display
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Landscape Comparison

Landscape photography with Olympus E-510
Landscape photography with Pentax K100D
55
has manual focus
interchangeable lenses (Micro Four Thirds mount)
built in image stabilization (Sensor based)
sensor size is good (Four Thirds)
saves RAW formats
screen is somewhat small (2.5")
low megapixels (10 megapixels)
does not have Time Lapse recording
52
focusing manually
interchangeable lenses (Pentax KAF mount)
image stabilization (Sensor based)
sensor size is nice (APS-C)
exports RAW files
screen is small (2.5 inch)
no liveview feature
sensor resolution low (6 megapixels)
lack of Timelapse function
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Vlogging Comparison

Olympus E-510 Vlogging features
Pentax K100D Vlogging features
9
lack of video recording
9
no video
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Olympus E-510 vs Pentax K100D Specifications

Detailed spec comparison table for Olympus E-510 and Pentax K100D
 Olympus E-510Pentax K100D
General Information
Make Olympus Pentax
Model Olympus E-510 Pentax K100D
Also referred to as EVOLT E-510 -
Class Advanced DSLR Entry-Level DSLR
Revealed 2007-11-23 2006-12-03
Body design Mid-size SLR Compact SLR
Sensor Information
Sensor type CMOS CCD
Sensor size Four Thirds APS-C
Sensor measurements 17.3 x 13mm 23.5 x 15.7mm
Sensor area 224.9mm² 369.0mm²
Sensor resolution 10 megapixels 6 megapixels
Anti aliasing filter
Aspect ratio 4:3 3:2
Highest resolution 3648 x 2736 3008 x 2008
Highest native ISO 1600 3200
Minimum native ISO 100 200
RAW data
Autofocusing
Manual focus
Touch to focus
AF continuous
Single AF
AF tracking
Selective AF
AF center weighted
Multi area AF
AF live view
Face detect focusing
Contract detect focusing
Phase detect focusing
Number of focus points 3 11
Lens
Lens mount Micro Four Thirds Pentax KAF
Total lenses 45 151
Focal length multiplier 2.1 1.5
Screen
Range of display Fixed Type Fixed Type
Display diagonal 2.5 inch 2.5 inch
Resolution of display 230 thousand dot 210 thousand dot
Selfie friendly
Liveview
Touch function
Viewfinder Information
Viewfinder type Optical (pentamirror) Optical (pentamirror)
Viewfinder coverage 95% 96%
Viewfinder magnification 0.46x 0.57x
Features
Lowest shutter speed 60 seconds 30 seconds
Highest shutter speed 1/4000 seconds 1/4000 seconds
Continuous shooting speed 3.0 frames/s 3.0 frames/s
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Custom WB
Image stabilization
Inbuilt flash
Flash range 12.00 m (at ISO 100) -
Flash options Auto, Auto FP, Manual, Red-Eye Auto, On, Off, Red-eye reduction
External flash
AEB
WB bracketing
Highest flash sync 1/180 seconds 1/180 seconds
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Highest video resolution None None
Microphone jack
Headphone jack
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 seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 490 grams (1.08 lb) 660 grams (1.46 lb)
Dimensions 136 x 92 x 68mm (5.4" x 3.6" x 2.7") 129 x 93 x 70mm (5.1" x 3.7" x 2.8")
DXO scores
DXO All around score 52 not tested
DXO Color Depth score 21.2 not tested
DXO Dynamic range score 10.0 not tested
DXO Low light score 442 not tested
Other
Battery model - 4 x AA
Self timer Yes (2 or 12 sec) Yes (2 or 12 sec)
Time lapse shooting
Type of storage Compact Flash (Type I or II), xD Picture Card SD/MMC card
Storage slots 1 1
Retail price $550 $0