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Olympus E-510 vs Pentax 645Z

Portability
69
Imaging
44
Features
42
Overall
43
Olympus E-510 front
 
Pentax 645Z front
Portability
49
Imaging
81
Features
74
Overall
78

Olympus E-510 vs Pentax 645Z 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
  • Released November 2007
  • Also Known as EVOLT E-510
  • Earlier Model is Olympus E-500
  • Newer Model is Olympus E-520
Pentax 645Z
(Full Review)
  • 51MP - Medium format Sensor
  • 3.2" Tilting Display
  • ISO 100 - 204800
  • No Anti-Alias Filter
  • 1920 x 1080 video
  • Pentax 645AF2 Mount
  • 1550g - 156 x 117 x 123mm
  • Introduced April 2014
  • Superseded the Pentax 645D
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Olympus E-510 vs Pentax 645Z Overview

Here, we are reviewing the Olympus E-510 and Pentax 645Z, one being a Advanced DSLR and the other is a Pro DSLR by competitors Olympus and Pentax. There exists a crucial gap among the image resolutions of the E-510 (10MP) and 645Z (51MP) and the E-510 (Four Thirds) and 645Z (Medium format) boast different sensor measurements.

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The E-510 was brought out 7 years before the 645Z and that is a fairly serious gap as far as camera technology is concerned. Each of these cameras feature different body design with the Olympus E-510 being a Mid-size SLR camera and the Pentax 645Z being a Large SLR camera.

Before delving straight to a thorough comparison, here is a quick introduction of how the E-510 grades vs the 645Z with respect to portability, imaging, features and an overall grade.

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

 E-510 645Z 

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

 645Z E-510 
IntroducedApril 2014November 2007More recent by 77 months
Display typeTiltingFixed Tilting display
Display size3.2"2.5"Larger display (+0.7")
Display resolution1037k230kSharper display (+807k dot)

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

 E-510 645Z 
Focus manually More exact focusing
Selfie screen Missing selfie screen
Touch friendly display Neither offers Touch friendly display

Olympus E-510 vs Pentax 645Z Physical Comparison

For anyone who is looking to lug around your camera often, you'll need to take into account its weight and proportions. The Olympus E-510 offers physical measurements of 136mm x 92mm x 68mm (5.4" x 3.6" x 2.7") and a weight of 490 grams (1.08 lbs) whilst the Pentax 645Z has measurements of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") with a weight of 1550 grams (3.42 lbs).

Compare the Olympus E-510 and Pentax 645Z in the all new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an Interchangeable Lens Camera will vary dependant on the lens you are using at that time. Following is a front view dimensions comparison of the E-510 compared to the 645Z.

Olympus E-510 vs Pentax 645Z size comparison

Taking into account dimensions and weight, the portability grade of the E-510 and 645Z is 69 and 49 respectively.

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

Olympus E-510 vs Pentax 645Z Sensor Comparison

Sometimes, it is very difficult to picture the gap in sensor measurements only by viewing specs. The graphic underneath should give you a more clear sense of the sensor sizing in the E-510 and 645Z.

All in all, each of the cameras feature different megapixels and different sensor measurements. The E-510 featuring a smaller sensor is going to make achieving bokeh more difficult and the Pentax 645Z will result in greater detail having its extra 41MP. Greater resolution will make it easier to crop images way more aggressively. The older E-510 will be disadvantaged when it comes to sensor tech.

Olympus E-510 vs Pentax 645Z sensor size comparison

Olympus E-510 vs Pentax 645Z Screen and ViewFinder

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

Portrait Comparison

Olympus E-510 Portrait photography advice
Pentax 645Z Portrait photography advice
56
manual focus
sensor size is good (Four Thirds)
exports RAW formats
low MP (10 megapixels)
88
focusing manually
MP count great (51MP)
sensor size is big (Medium format)
comes with face detect focusing
delivers RAW formats
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Street Comparison

Olympus E-510 Street photography highlights
Pentax 645Z Street photography highlights
68
image stabilization (Sensor based)
sensor size is good (Four Thirds)
exports RAW formats
lighter than competitors in class (490 grams)
no moving screen
63
has a tilting screen
sensor size is big (Medium format)
delivers RAW formats
environment sealing
very good high ISO (204,800)
lack of image stabilization
heavier than competition in class (1,550g)
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Sports Comparison

Olympus E-510 Sports photography features
Pentax 645Z Sports photography features
52
image stabilization (Sensor based)
sensor size is good (Four Thirds)
has phase detect autofocus
very slow continuous shooting (3.0 frames per second)
low MP (10 megapixels)
71
MP count great (51 megapixels)
sensor size is big (Medium format)
comes with tracking focus
environment sealing
has phase detect AF
slow continuous shooting (3.0 fps)
lack of image stabilization
terrible battery life (650 per charge)
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Travel Comparison

Olympus E-510 Travel photography info
Pentax 645Z Travel photography info
52
lighter than competitors in class (490g)
built-in flash
missing Time Lapse function
low MP (10 megapixels)
doesn't posses selfie friendly screen
51
environment sealing
MP count great (51MP)
terrible battery life (650 CIPA)
heavier than competition in class (1,550g)
display is not selfie friendly
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Landscape Comparison

Olympus E-510 Landscape photography highlights
Pentax 645Z Landscape photography highlights
55
manual focus
change lenses (Micro Four Thirds mount)
image stabilization (Sensor based)
sensor size is good (Four Thirds)
exports RAW formats
tiny screen (2.5")
low MP (10MP)
missing Time Lapse function
78
focusing manually
switch lenses (Pentax 645AF2 mount)
screen is a good size (3.2 inch)
MP count great (51MP)
sensor size is big (Medium format)
no anti aliasing filter
very good high ISO (204,800)
delivers RAW formats
environment sealing
has double storage slots
lack of image stabilization
terrible battery life (650 per charge)
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Vlogging Comparison

Olympus E-510 as a Vlogging camera
Pentax 645Z as a Vlogging camera
9
lack of video recording
27
comes with face detect focusing
great video quality (1920 x 1080 pixels)
has mic port
display is not selfie friendly
lack of image stabilization
heavier than competition in class (1,550 grams)
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Olympus E-510 vs Pentax 645Z Specifications

Detailed spec comparison table for Olympus E-510 and Pentax 645Z
 Olympus E-510Pentax 645Z
General Information
Manufacturer Olympus Pentax
Model type Olympus E-510 Pentax 645Z
Also referred to as EVOLT E-510 -
Type Advanced DSLR Pro DSLR
Released 2007-11-23 2014-04-15
Body design Mid-size SLR Large SLR
Sensor Information
Processor - PRIME III
Sensor type CMOS CMOS
Sensor size Four Thirds Medium format
Sensor dimensions 17.3 x 13mm 44 x 33mm
Sensor surface area 224.9mm² 1,452.0mm²
Sensor resolution 10MP 51MP
Anti alias filter
Aspect ratio 4:3 4:3
Peak resolution 3648 x 2736 8256 x 6192
Highest native ISO 1600 204800
Min native ISO 100 100
RAW format
Autofocusing
Manual focusing
Autofocus touch
Autofocus continuous
Single autofocus
Tracking autofocus
Autofocus selectice
Center weighted autofocus
Multi area autofocus
Live view autofocus
Face detect focus
Contract detect focus
Phase detect focus
Total focus points 3 27
Lens
Lens mount type Micro Four Thirds Pentax 645AF2
Available lenses 45 6
Focal length multiplier 2.1 0.8
Screen
Range of display Fixed Type Tilting
Display sizing 2.5" 3.2"
Display resolution 230 thousand dot 1,037 thousand dot
Selfie friendly
Liveview
Touch display
Viewfinder Information
Viewfinder type Optical (pentamirror) Optical (pentaprism)
Viewfinder coverage 95% 98%
Viewfinder magnification 0.46x 0.85x
Features
Minimum shutter speed 60 secs 30 secs
Fastest shutter speed 1/4000 secs 1/4000 secs
Continuous shutter speed 3.0 frames per second 3.0 frames per second
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Change white balance
Image stabilization
Integrated flash
Flash distance 12.00 m (at ISO 100) no built-in flash
Flash options Auto, Auto FP, Manual, Red-Eye Flash On, Flash On+Red-eye Reduction, Slow-speed Sync, Slow-speed Sync+Red-eye, P-TTL, Trailing Curtain Sync, contrast-control-sync, high-speed sync, wireless sync
Hot shoe
AE bracketing
WB bracketing
Fastest flash sync 1/180 secs 1/125 secs
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions - 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p,24p)
Highest video resolution None 1920x1080
Video format - MPEG-4, H.264
Mic jack
Headphone jack
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 3.0 (5 GBit/sec)
GPS None Optional
Physical
Environmental seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 490 gr (1.08 lbs) 1550 gr (3.42 lbs)
Physical dimensions 136 x 92 x 68mm (5.4" x 3.6" x 2.7") 156 x 117 x 123mm (6.1" x 4.6" x 4.8")
DXO scores
DXO Overall rating 52 101
DXO Color Depth rating 21.2 26.0
DXO Dynamic range rating 10.0 14.7
DXO Low light rating 442 4505
Other
Battery life - 650 photographs
Battery form - Battery Pack
Battery ID - D-LI90
Self timer Yes (2 or 12 sec) Yes (2 or 10 secs)
Time lapse shooting
Storage media Compact Flash (Type I or II), xD Picture Card Dual SD/SDHC/SDXC slots
Storage slots Single 2
Price at release $550 $5,024