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Olympus E-450 vs Pentax 645D

Portability
77
Imaging
45
Features
36
Overall
41
Olympus E-450 front
 
Pentax 645D front
Portability
50
Imaging
76
Features
52
Overall
66

Olympus E-450 vs Pentax 645D Key Specs

Olympus E-450
(Full Review)
  • 10MP - Four Thirds Sensor
  • 2.7" Fixed Screen
  • ISO 100 - 1600
  • No Video
  • Micro Four Thirds Mount
  • 426g - 130 x 91 x 53mm
  • Introduced March 2009
  • Superseded the Olympus E-330
Pentax 645D
(Full Review)
  • 40MP - Medium format Sensor
  • 3" Fixed Display
  • ISO 200 - 1600
  • No Anti-Alias Filter
  • No Video
  • Pentax 645AF2 Mount
  • 1480g - 156 x 117 x 119mm
  • Launched March 2010
  • Refreshed by Pentax 645Z
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Olympus E-450 vs Pentax 645D Overview

Let's look much closer at the Olympus E-450 versus Pentax 645D, former being a Entry-Level DSLR while the other is a Pro DSLR by rivals Olympus and Pentax. There is a noticeable difference between the image resolutions of the E-450 (10MP) and 645D (40MP) and the E-450 (Four Thirds) and 645D (Medium format) feature totally different sensor sizes.

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The E-450 was unveiled 11 months prior to the 645D and they are both of a similar age. Both of the cameras come with different body type with the Olympus E-450 being a Compact SLR camera and the Pentax 645D being a Large SLR camera.

Before diving through a detailed comparison, below is a quick overview of how the E-450 grades vs the 645D in regards to portability, imaging, features and an overall rating.

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Reasons to pick Olympus E-450 over the Pentax 645D

 E-450 645D 

Reasons to pick Pentax 645D over the Olympus E-450

 645D E-450 
LaunchedMarch 2010March 2009Fresher by 11 months
Display dimension3"2.7"Larger display (+0.3")
Display resolution921k230kSharper display (+691k dot)

Common features in the Olympus E-450 and Pentax 645D

 E-450 645D 
Focus manually More accurate focus
Display typeFixed Fixed Fixed display
Selfie screen Neither contains selfie screen
Touch friendly display Lacking Touch friendly display

Olympus E-450 vs Pentax 645D Physical Comparison

In case you're intending to carry your camera, you should consider its weight and proportions. The Olympus E-450 has got physical measurements of 130mm x 91mm x 53mm (5.1" x 3.6" x 2.1") having a weight of 426 grams (0.94 lbs) while the Pentax 645D has measurements of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") having a weight of 1480 grams (3.26 lbs).

Check out the Olympus E-450 versus Pentax 645D in our brand new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an ILC will differ dependant on the lens you have chosen during that time. Underneath is the front view measurements comparison of the E-450 versus the 645D.

Olympus E-450 vs Pentax 645D size comparison

Taking into consideration size and weight, the portability grade of the E-450 and 645D is 77 and 50 respectively.

Olympus E-450 vs Pentax 645D top view buttons comparison

Olympus E-450 vs Pentax 645D Sensor Comparison

Oftentimes, it can be hard to envision the difference between sensor sizing simply by going over specs. The graphic below should provide you a greater sense of the sensor measurements in the E-450 and 645D.

All in all, both cameras posses different megapixels and different sensor sizing. The E-450 with its tinier sensor will make getting bokeh harder and the Pentax 645D will deliver extra detail having an extra 30 Megapixels. Greater resolution can also allow you to crop pics somewhat more aggressively. The older E-450 is going to be disadvantaged when it comes to sensor innovation.

Olympus E-450 vs Pentax 645D sensor size comparison

Olympus E-450 vs Pentax 645D Screen and ViewFinder

Olympus E-450 vs Pentax 645D Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-450 as a Portrait photography camera
Pentax 645D as a Portrait photography camera
57
focusing manually
decent sensor size (Four Thirds)
exports RAW files
MP count low (10 megapixels)
77
manual focus
megapixel count amazing (40MP)
sensor size is large (Medium format)
delivers RAW files
does not have liveview
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Street Comparison

Olympus E-450 Street photography highlights
Pentax 645D Street photography highlights
64
decent sensor size (Four Thirds)
exports RAW files
lighter than average (426 grams)
no moving screen
lack of image stabilization
58
sensor size is large (Medium format)
delivers RAW files
weather proofing
no articulating screen
no image stabilization
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Sports Comparison

Olympus E-450 Sports photography factors
Pentax 645D Sports photography factors
39
decent sensor size (Four Thirds)
sensor has phase detect AF
max frames per second low (4.0 fps)
lack of image stabilization
MP count low (10 megapixels)
bad battery power (500 CIPA)
63
megapixel count amazing (40 megapixels)
sensor size is large (Medium format)
weather proofing
supports phase detect auto focus
does not have liveview
slow continuous shooting (1.0 frames/s)
no image stabilization
not so great battery life (800 CIPA)
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Travel Comparison

Travel photography with Olympus E-450
Travel photography with Pentax 645D
53
lighter than average (426g)
built-in flash
lack of Timelapse function
bad battery power (500 CIPA)
MP count low (10MP)
doesn't posses selfie friendly display
55
weather proofing
megapixel count amazing (40MP)
not so great battery life (800 shots)
screen isn't selfie friendly
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Landscape Comparison

Olympus E-450 as a Landscape photography camera
Pentax 645D as a Landscape photography camera
47
focusing manually
interchangeable lenses (Micro Four Thirds mount)
decent sensor size (Four Thirds)
exports RAW files
screen is small (2.7 inch)
lack of image stabilization
MP count low (10MP)
bad battery power (500 CIPA)
lack of Timelapse function
72
manual focus
change lenses (Pentax 645AF2 mount)
decent sized screen (3")
megapixel count amazing (40 megapixels)
sensor size is large (Medium format)
does not have low pass filter
delivers RAW files
weather proofing
has dual storage slots
does not have liveview
no image stabilization
not so great battery life (800 CIPA)
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Vlogging Comparison

Olympus E-450 Vlogging information
Pentax 645D Vlogging information
9
no video
9
no video shooting
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Olympus E-450 vs Pentax 645D Specifications

Detailed spec comparison table for Olympus E-450 and Pentax 645D
 Olympus E-450Pentax 645D
General Information
Company Olympus Pentax
Model Olympus E-450 Pentax 645D
Type Entry-Level DSLR Pro DSLR
Introduced 2009-03-31 2010-03-10
Body design Compact SLR Large SLR
Sensor Information
Chip TruePic III Prime II
Sensor type CMOS CCD
Sensor size Four Thirds Medium format
Sensor measurements 17.3 x 13mm 44 x 33mm
Sensor surface area 224.9mm² 1,452.0mm²
Sensor resolution 10MP 40MP
Anti aliasing filter
Aspect ratio 4:3 4:3
Peak resolution 3648 x 2736 7264 x 5440
Highest native ISO 1600 1600
Minimum native ISO 100 200
RAW files
Minimum enhanced ISO - 100
Autofocusing
Focus manually
Touch to focus
Autofocus continuous
Autofocus single
Autofocus tracking
Selective autofocus
Autofocus center weighted
Multi area autofocus
Autofocus live view
Face detection focus
Contract detection focus
Phase detection focus
Number of focus points 3 11
Lens
Lens mounting type Micro Four Thirds Pentax 645AF2
Amount of lenses 45 6
Crop factor 2.1 0.8
Screen
Range of screen Fixed Type Fixed Type
Screen diagonal 2.7 inches 3 inches
Resolution of screen 230k dot 921k dot
Selfie friendly
Liveview
Touch function
Screen tech - TFT Color LCD with wide-viewing angle and with AR coating
Viewfinder Information
Viewfinder type Optical (pentamirror) Optical (pentaprism)
Viewfinder coverage 95 percent 98 percent
Viewfinder magnification 0.46x 0.85x
Features
Minimum shutter speed 60s 30s
Fastest shutter speed 1/4000s 1/4000s
Continuous shutter speed 4.0 frames/s 1.0 frames/s
Shutter priority
Aperture priority
Manual exposure
Exposure compensation Yes Yes
Change white balance
Image stabilization
Inbuilt flash
Flash range 12.00 m (at ISO 100) no built-in flash
Flash options Auto, Auto FP, Manual, Red-Eye Auto, On, Off, Red-eye, Slow Sync, Rear Curtain
External flash
Auto exposure bracketing
White balance bracketing
Fastest flash sync 1/180s 1/125s
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Highest video resolution None None
Microphone input
Headphone input
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 426 grams (0.94 lbs) 1480 grams (3.26 lbs)
Dimensions 130 x 91 x 53mm (5.1" x 3.6" x 2.1") 156 x 117 x 119mm (6.1" x 4.6" x 4.7")
DXO scores
DXO Overall score 56 82
DXO Color Depth score 21.5 24.6
DXO Dynamic range score 10.5 12.6
DXO Low light score 512 1262
Other
Battery life 500 pictures 800 pictures
Battery format Battery Pack Battery Pack
Battery model - D-LI90
Self timer Yes (2 or 12 sec) Yes (2 or 10 sec)
Time lapse shooting
Storage media Compact Flash (Type I or II), xD Picture Card SD/SDHC
Storage slots One 2
Cost at release $138 $4,000