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Olympus E-510 vs Pentax 645D

Portability
69
Imaging
44
Features
42
Overall
43
Olympus E-510 front
 
Pentax 645D front
Portability
50
Imaging
76
Features
52
Overall
66

Olympus E-510 vs Pentax 645D 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
  • Announced November 2007
  • Also Known as EVOLT E-510
  • Replaced the Olympus E-500
  • Refreshed by Olympus E-520
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
  • Revealed March 2010
  • Newer Model is Pentax 645Z
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Olympus E-510 vs Pentax 645D Overview

Here, we are contrasting the Olympus E-510 versus Pentax 645D, former being a Advanced DSLR while the other is a Pro DSLR by companies Olympus and Pentax. There is a considerable difference between the image resolutions of the E-510 (10MP) and 645D (40MP) and the E-510 (Four Thirds) and 645D (Medium format) posses different sensor measurements.

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The E-510 was released 3 years earlier than the 645D and that is quite a large difference as far as tech is concerned. Each of the cameras feature different body design with the Olympus E-510 being a Mid-size SLR camera and the Pentax 645D being a Large SLR camera.

Before diving right into a in depth comparison, here is a concise overview of how the E-510 scores against the 645D with regards to portability, imaging, features and an overall rating.

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Reasons to pick Olympus E-510 over the Pentax 645D

 E-510 645D 

Reasons to pick Pentax 645D over the Olympus E-510

 645D E-510 
RevealedMarch 2010November 2007Fresher by 27 months
Display size3"2.5"Larger display (+0.5")
Display resolution921k230kSharper display (+691k dot)

Common features in the Olympus E-510 and Pentax 645D

 E-510 645D 
Manually focus More accurate focusing
Display typeFixed Fixed Fixed display
Selfie screen Missing selfie screen
Touch display Missing Touch display

Olympus E-510 vs Pentax 645D Physical Comparison

In case you're looking to carry your camera often, you're going to have to take into account its weight and size. The Olympus E-510 has got external dimensions of 136mm x 92mm x 68mm (5.4" x 3.6" x 2.7") with a weight of 490 grams (1.08 lbs) while the Pentax 645D has specifications of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") along with a weight of 1480 grams (3.26 lbs).

See the Olympus E-510 versus Pentax 645D in our brand new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an ILC will vary depending on the lens you are utilising during that time. The following is a front view overall size comparison of the E-510 and the 645D.

Olympus E-510 vs Pentax 645D size comparison

Factoring in size and weight, the portability grade of the E-510 and 645D is 69 and 50 respectively.

Olympus E-510 vs Pentax 645D top view buttons comparison

Olympus E-510 vs Pentax 645D Sensor Comparison

Generally, it can be hard to imagine the contrast between sensor sizing just by going over technical specs. The photograph below will help offer you a stronger sense of the sensor dimensions in the E-510 and 645D.

As you have seen, the two cameras feature different megapixels and different sensor sizing. The E-510 because of its tinier sensor is going to make achieving bokeh trickier and the Pentax 645D will offer you greater detail as a result of its extra 30 Megapixels. Greater resolution will allow you to crop photos way more aggressively. The older E-510 is going to be disadvantaged in sensor tech.

Olympus E-510 vs Pentax 645D sensor size comparison

Olympus E-510 vs Pentax 645D Screen and ViewFinder

Olympus E-510 vs Pentax 645D Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-510 Portrait photography info
Pentax 645D Portrait photography info
56
you can focus manually
nice sensor size (Four Thirds)
delivers RAW files
MP count low (10MP)
77
has manual focus
megapixel count great (40 megapixels)
sensor size is great (Medium format)
supports RAW formats
doesn't have liveview
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Street Comparison

Olympus E-510 Street photography factors
Pentax 645D Street photography factors
68
has image stabilization (Sensor based)
nice sensor size (Four Thirds)
delivers RAW files
lighter than average (490g)
screen is fixed
58
sensor size is great (Medium format)
supports RAW formats
environment proof
no moving screen
lack of image stabilization
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Sports Comparison

Olympus E-510 Sports photography info
Pentax 645D Sports photography info
52
has image stabilization (Sensor based)
nice sensor size (Four Thirds)
has phase detect autofocus
slow fps (3.0 frames per second)
MP count low (10 megapixels)
63
megapixel count great (40MP)
sensor size is great (Medium format)
environment proof
supports phase detect AF
doesn't have liveview
slow continuous shooting (1.0 frames/s)
lack of image stabilization
not so great battery pack (800 CIPA)
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Travel Comparison

Olympus E-510 as a Travel photography camera
Pentax 645D as a Travel photography camera
52
lighter than average (490g)
flash built-in
no Timelapse function
MP count low (10 megapixels)
does not have selfie friendly display
55
environment proof
megapixel count great (40 megapixels)
not so great battery pack (800 CIPA)
does not have selfie friendly display
Photography Glossary

Landscape Comparison

Landscape photography with Olympus E-510
Landscape photography with Pentax 645D
55
you can focus manually
interchangeable lenses (Micro Four Thirds mount)
has image stabilization (Sensor based)
nice sensor size (Four Thirds)
delivers RAW files
small screen (2.5 inch)
MP count low (10 megapixels)
no Timelapse function
72
has manual focus
switch lenses (Pentax 645AF2 mount)
screen size is good (3")
megapixel count great (40MP)
sensor size is great (Medium format)
doesnt have anti-alias filter
supports RAW formats
environment proof
has dual storage slots
doesn't have liveview
lack of image stabilization
not so great battery pack (800 per charge)
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Vlogging Comparison

Vlogging with Olympus E-510
Vlogging with Pentax 645D
9
can't record video
9
can't record video
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Olympus E-510 vs Pentax 645D Specifications

Detailed spec comparison table for Olympus E-510 and Pentax 645D
 Olympus E-510Pentax 645D
General Information
Make Olympus Pentax
Model type Olympus E-510 Pentax 645D
Also Known as EVOLT E-510 -
Type Advanced DSLR Pro DSLR
Announced 2007-11-23 2010-03-10
Body design Mid-size SLR Large SLR
Sensor Information
Powered by - 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 alias filter
Aspect ratio 4:3 4:3
Max resolution 3648 x 2736 7264 x 5440
Max native ISO 1600 1600
Lowest native ISO 100 200
RAW images
Lowest enhanced ISO - 100
Autofocusing
Manual focusing
AF touch
AF continuous
AF single
AF tracking
AF selectice
AF center weighted
Multi area AF
Live view AF
Face detect AF
Contract detect AF
Phase detect AF
Total focus points 3 11
Lens
Lens support Micro Four Thirds Pentax 645AF2
Number of lenses 45 6
Focal length multiplier 2.1 0.8
Screen
Display type Fixed Type Fixed Type
Display diagonal 2.5 inches 3 inches
Resolution of display 230k dot 921k dot
Selfie friendly
Liveview
Touch operation
Display tech - TFT Color LCD with wide-viewing angle and with AR coating
Viewfinder Information
Viewfinder Optical (pentamirror) Optical (pentaprism)
Viewfinder coverage 95 percent 98 percent
Viewfinder magnification 0.46x 0.85x
Features
Min shutter speed 60 secs 30 secs
Max shutter speed 1/4000 secs 1/4000 secs
Continuous shutter speed 3.0 frames/s 1.0 frames/s
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Change WB
Image stabilization
Inbuilt flash
Flash distance 12.00 m (at ISO 100) no built-in flash
Flash modes Auto, Auto FP, Manual, Red-Eye Auto, On, Off, Red-eye, Slow Sync, Rear Curtain
External flash
AEB
WB bracketing
Max flash sync 1/180 secs 1/125 secs
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Max 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
Environmental seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 490 grams (1.08 lb) 1480 grams (3.26 lb)
Physical dimensions 136 x 92 x 68mm (5.4" x 3.6" x 2.7") 156 x 117 x 119mm (6.1" x 4.6" x 4.7")
DXO scores
DXO Overall rating 52 82
DXO Color Depth rating 21.2 24.6
DXO Dynamic range rating 10.0 12.6
DXO Low light rating 442 1262
Other
Battery life - 800 images
Form of battery - Battery Pack
Battery ID - D-LI90
Self timer Yes (2 or 12 sec) Yes (2 or 10 sec)
Time lapse recording
Storage media Compact Flash (Type I or II), xD Picture Card SD/SDHC
Storage slots One 2
Retail cost $550 $4,000