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Olympus E-450 vs Pentax K-S2

Portability
77
Imaging
45
Features
36
Overall
41
Olympus E-450 front
 
Pentax K-S2 front
Portability
64
Imaging
64
Features
82
Overall
71

Olympus E-450 vs Pentax K-S2 Key Specs

Olympus E-450
(Full Review)
  • 10MP - Four Thirds Sensor
  • 2.7" Fixed Display
  • ISO 100 - 1600
  • No Video
  • Micro Four Thirds Mount
  • 426g - 130 x 91 x 53mm
  • Released March 2009
  • Replaced the Olympus E-330
Pentax K-S2
(Full Review)
  • 20MP - APS-C Sensor
  • 3" Fully Articulated Screen
  • ISO 100 - 51200
  • Sensor based Image Stabilization
  • No Anti-Alias Filter
  • 1/6000s Maximum Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 678g - 123 x 91 x 73mm
  • Launched February 2015
  • Earlier Model is Pentax K-S1
Photography Glossary

Olympus E-450 vs Pentax K-S2 Overview

Below is a in depth review of the Olympus E-450 versus Pentax K-S2, both Entry-Level DSLR digital cameras by rivals Olympus and Pentax. There is a large difference between the resolutions of the E-450 (10MP) and K-S2 (20MP) and the E-450 (Four Thirds) and K-S2 (APS-C) use totally different sensor sizes.

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The E-450 was announced 6 years earlier than the K-S2 and that is quite a serious difference as far as tech is concerned. Both of these cameras offer the identical body type (Compact SLR).

Before diving in to a more detailed comparison, below is a concise view of how the E-450 scores vs the K-S2 in regards to portability, imaging, features and an overall grade.

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Reasons to pick Olympus E-450 over the Pentax K-S2

 E-450 K-S2 

Reasons to pick Pentax K-S2 over the Olympus E-450

 K-S2 E-450 
LaunchedFebruary 2015March 2009More recent by 71 months
Screen typeFully ArticulatedFixed Fully Articulating screen
Screen sizing3"2.7"Bigger screen (+0.3")
Screen resolution921k230kClearer screen (+691k dot)
Selfie screen Easy selfies

Common features in the Olympus E-450 and Pentax K-S2

 E-450 K-S2 
Focus manually More exact focus
Touch friendly screen Neither comes with Touch friendly screen

Olympus E-450 vs Pentax K-S2 Physical Comparison

For anybody who is looking to lug around your camera frequently, you'll need to factor its weight and volume. The Olympus E-450 comes with outside measurements of 130mm x 91mm x 53mm (5.1" x 3.6" x 2.1") along with a weight of 426 grams (0.94 lbs) and the Pentax K-S2 has sizing of 123mm x 91mm x 73mm (4.8" x 3.6" x 2.9") along with a weight of 678 grams (1.49 lbs).

Examine the Olympus E-450 versus Pentax K-S2 in our completely new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Don't forget, the weight of an ILC will vary depending on the lens you have attached at that time. Following is the front view scale comparison of the E-450 against the K-S2.

Olympus E-450 vs Pentax K-S2 size comparison

Using size and weight, the portability score of the E-450 and K-S2 is 77 and 64 respectively.

Olympus E-450 vs Pentax K-S2 top view buttons comparison

Olympus E-450 vs Pentax K-S2 Sensor Comparison

Often, it's difficult to see the difference between sensor measurements just by checking a spec sheet. The photograph here should offer you a clearer sense of the sensor sizing in the E-450 and K-S2.

Clearly, both the cameras offer different megapixel count and different sensor measurements. The E-450 with its tinier sensor will make getting shallow DOF trickier and the Pentax K-S2 will give you extra detail with its extra 10MP. Higher resolution can also allow you to crop photographs a little more aggressively. The older E-450 is going to be disadvantaged when it comes to sensor tech.

Olympus E-450 vs Pentax K-S2 sensor size comparison

Olympus E-450 vs Pentax K-S2 Screen and ViewFinder

Olympus E-450 vs Pentax K-S2 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-450 Portrait photography advice
Pentax K-S2 Portrait photography advice
57
focusing manually
decent sensor size (Four Thirds)
supports RAW formats
low MP (10MP)
78
has manual focus
resolution is good (20MP)
sensor size is good (APS-C)
supports face detection autofocus
supports RAW files
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Street Comparison

Street photography with Olympus E-450
Street photography with Pentax K-S2
64
decent sensor size (Four Thirds)
supports RAW formats
lighter than others (426g)
no moving screen
no image stabilization
72
screen can move to multiple angles
has image stabilization (Sensor based)
sensor size is good (APS-C)
supports RAW files
weather proof
above average ISO range (51,200)
heavier than competition (678 grams)
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Sports Comparison

Olympus E-450 as a Sports photography camera
Pentax K-S2 as a Sports photography camera
39
decent sensor size (Four Thirds)
comes with phase detect AF
slow fps (4.0 frames/s)
no image stabilization
low MP (10 megapixels)
low battery pack (500 per charge)
70
max shutter speed is good (1/6,000s)
has image stabilization (Sensor based)
resolution is good (20 megapixels)
sensor size is good (APS-C)
supports tracking autofocus
weather proof
supports phase detect autofocus
max frames per second very slow (5.4 frames/s)
terrible battery pack (410 shots)
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Travel Comparison

Olympus E-450 Travel photography details
Pentax K-S2 Travel photography details
53
lighter than others (426g)
has built in flash
missing Timelapse mode
low battery pack (500 CIPA)
low MP (10MP)
screen is not selfie friendly
65
weather proof
resolution is good (20 megapixels)
flash built-in
selfie friendly display
terrible battery pack (410 per charge)
heavier than competition (678 grams)
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Landscape Comparison

Olympus E-450 Landscape photography highlights
Pentax K-S2 Landscape photography highlights
47
focusing manually
change lenses (Micro Four Thirds mount)
decent sensor size (Four Thirds)
supports RAW formats
screen is somewhat small (2.7 inches)
no image stabilization
low MP (10 megapixels)
low battery pack (500 CIPA)
missing Timelapse mode
77
has manual focus
interchangeable lenses (Pentax KAF2 mount)
pretty good screen size (3")
has image stabilization (Sensor based)
resolution is good (20MP)
sensor size is good (APS-C)
doesnt have anti-alias filter
above average ISO range (51,200)
supports RAW files
weather proof
terrible battery pack (410 CIPA)
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Vlogging Comparison

Olympus E-450 as a Vlogging camera
Pentax K-S2 as a Vlogging camera
9
no video
71
selfie friendly display
has image stabilization (Sensor based)
supports face detection autofocus
video res high (1920 x 1080 resolution)
comes with external mic socket
heavier than competition (678 grams)
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Olympus E-450 vs Pentax K-S2 Specifications

Detailed spec comparison table for Olympus E-450 and Pentax K-S2
 Olympus E-450Pentax K-S2
General Information
Company Olympus Pentax
Model Olympus E-450 Pentax K-S2
Category Entry-Level DSLR Entry-Level DSLR
Released 2009-03-31 2015-02-10
Physical type Compact SLR Compact SLR
Sensor Information
Chip TruePic III PRIME MII
Sensor type CMOS CMOS
Sensor size Four Thirds APS-C
Sensor dimensions 17.3 x 13mm 23.5 x 15.6mm
Sensor surface area 224.9mm² 366.6mm²
Sensor resolution 10MP 20MP
Anti aliasing filter
Aspect ratio 4:3 3:2
Max resolution 3648 x 2736 5472 x 3648
Max native ISO 1600 51200
Lowest native ISO 100 100
RAW photos
Autofocusing
Focus manually
Touch focus
AF continuous
AF single
Tracking AF
AF selectice
AF center weighted
Multi area AF
Live view AF
Face detect AF
Contract detect AF
Phase detect AF
Number of focus points 3 11
Lens
Lens mount Micro Four Thirds Pentax KAF2
Amount of lenses 45 151
Crop factor 2.1 1.5
Screen
Display type Fixed Type Fully Articulated
Display size 2.7" 3"
Resolution of display 230k dots 921k dots
Selfie friendly
Liveview
Touch function
Viewfinder Information
Viewfinder Optical (pentamirror) Optical (pentaprism)
Viewfinder coverage 95 percent 100 percent
Viewfinder magnification 0.46x 0.64x
Features
Min shutter speed 60 seconds 30 seconds
Max shutter speed 1/4000 seconds 1/6000 seconds
Continuous shutter rate 4.0 frames per sec 5.4 frames per sec
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Set WB
Image stabilization
Integrated flash
Flash range 12.00 m (at ISO 100) 12.00 m (at ISO 100)
Flash options Auto, Auto FP, Manual, Red-Eye Auto, auto w/redeye reduction, flash on, flash on + redeye reduction, slow sync, trailing curtain sync, manual flash
External flash
Auto exposure bracketing
WB bracketing
Max flash synchronize 1/180 seconds -
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions - 1920 x 1080 (30p, 25p, 24p), 1280 x 720 (60p, 50p)
Max video resolution None 1920x1080
Video format - MPEG-4, H.264
Mic port
Headphone port
Connectivity
Wireless None Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None Optional
Physical
Environment sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 426 grams (0.94 pounds) 678 grams (1.49 pounds)
Dimensions 130 x 91 x 53mm (5.1" x 3.6" x 2.1") 123 x 91 x 73mm (4.8" x 3.6" x 2.9")
DXO scores
DXO Overall score 56 not tested
DXO Color Depth score 21.5 not tested
DXO Dynamic range score 10.5 not tested
DXO Low light score 512 not tested
Other
Battery life 500 photographs 410 photographs
Battery type Battery Pack Battery Pack
Battery model - D-LI109
Self timer Yes (2 or 12 sec) Yes (2 or 12 secs)
Time lapse recording
Type of storage Compact Flash (Type I or II), xD Picture Card SD/SDHC/SDXC
Card slots One One
Retail pricing $138 $581