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Olympus E-PL1 vs Pentax 645Z

Portability
86
Imaging
47
Features
43
Overall
45
Olympus PEN E-PL1 front
 
Pentax 645Z front
Portability
49
Imaging
80
Features
74
Overall
77

Olympus E-PL1 vs Pentax 645Z Key Specs

Olympus E-PL1
(Full Review)
  • 12MP - Four Thirds Sensor
  • 2.7" Fixed Display
  • ISO 100 - 3200
  • Sensor based Image Stabilization
  • 1280 x 720 video
  • Micro Four Thirds Mount
  • 334g - 115 x 72 x 42mm
  • Revealed May 2010
  • Successor is Olympus E-PL1s
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
  • Announced April 2014
  • Old Model is Pentax 645D
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Olympus E-PL1 vs Pentax 645Z Overview

Following is a detailed assessment of the Olympus E-PL1 vs Pentax 645Z, one is a Entry-Level Mirrorless and the other is a Pro DSLR by manufacturers Olympus and Pentax. There exists a big gap between the image resolutions of the E-PL1 (12MP) and 645Z (51MP) and the E-PL1 (Four Thirds) and 645Z (Medium format) posses different sensor dimensions.

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The E-PL1 was announced 4 years before the 645Z which is quite a big gap as far as technology is concerned. Each of these cameras feature different body design with the Olympus E-PL1 being a Rangefinder-style mirrorless camera and the Pentax 645Z being a Large SLR camera.

Before delving straight to a comprehensive comparison, here is a brief overview of how the E-PL1 grades versus the 645Z in relation to portability, imaging, features and an overall score.

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Reasons to pick Olympus E-PL1 over the Pentax 645Z

 E-PL1 645Z 

Reasons to pick Pentax 645Z over the Olympus E-PL1

 645Z E-PL1 
AnnouncedApril 2014May 2010More modern by 47 months
Display typeTiltingFixed Tilting display
Display size3.2"2.7"Larger display (+0.5")
Display resolution1037k230kClearer display (+807k dot)

Common features in the Olympus E-PL1 and Pentax 645Z

 E-PL1 645Z 
Manual focus More precise focus
Selfie screen Neither has selfie screen
Touch display Neither has Touch display

Olympus E-PL1 vs Pentax 645Z Physical Comparison

For anybody who is looking to carry around your camera frequently, you'll need to factor its weight and proportions. The Olympus E-PL1 has physical dimensions of 115mm x 72mm x 42mm (4.5" x 2.8" x 1.7") and a weight of 334 grams (0.74 lbs) while the Pentax 645Z has measurements of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") and a weight of 1550 grams (3.42 lbs).

Take a look at the Olympus E-PL1 vs Pentax 645Z in the new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an Interchangeable Lens Camera will differ depending on the lens you select at that time. Underneath is a front view measurements comparison of the E-PL1 compared to the 645Z.

Olympus E-PL1 vs Pentax 645Z size comparison

Using dimensions and weight, the portability grade of the E-PL1 and 645Z is 86 and 49 respectively.

Olympus E-PL1 vs Pentax 645Z top view buttons comparison

Olympus E-PL1 vs Pentax 645Z Sensor Comparison

More often than not, its hard to visualize the gap between sensor sizes only by reading through technical specs. The pic below will give you a greater sense of the sensor dimensions in the E-PL1 and 645Z.

As you have seen, the 2 cameras feature different resolutions and different sensor sizes. The E-PL1 having a tinier sensor is going to make shooting shallow DOF trickier and the Pentax 645Z will give you more detail with its extra 39MP. Greater resolution can also enable you to crop pics way more aggressively. The more aged E-PL1 is going to be disadvantaged in sensor tech.

Olympus E-PL1 vs Pentax 645Z sensor size comparison

Olympus E-PL1 vs Pentax 645Z Screen and ViewFinder

Olympus E-PL1 vs Pentax 645Z Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-PL1 Portrait photography advice
Pentax 645Z Portrait photography advice
60
has manual focus
decent sensor size (Four Thirds)
comes with face detect focus
delivers RAW formats
MP count low (12 megapixels)
88
you can focus manually
megapixel count high (51MP)
big sensor size (Medium format)
offers face detect autofocus
supports RAW formats
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Street Comparison

Olympus E-PL1 Street photography information
Pentax 645Z Street photography information
74
has image stabilization (Sensor based)
decent sensor size (Four Thirds)
delivers RAW formats
screen is fixed
63
has a tilting screen
big sensor size (Medium format)
supports RAW formats
weather proof
great high ISO (204,800)
lack of image stabilization
more heavy than competition (1,550g)
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Sports Comparison

Olympus E-PL1 as a Sports photography camera
Pentax 645Z as a Sports photography camera
44
has image stabilization (Sensor based)
decent sensor size (Four Thirds)
comes with tracking focus
very slow continuous shooting (3.0 frames/s)
MP count low (12MP)
terrible battery life (290 per charge)
lack of phase detect auto focus
71
megapixel count high (51MP)
big sensor size (Medium format)
offers tracking focus
weather proof
comes with phase detect autofocus
painfully slow continuous shooting (3.0 fps)
lack of image stabilization
low battery pack (650 per charge)
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Travel Comparison

Travel photography with Olympus E-PL1
Travel photography with Pentax 645Z
51
built-in flash
missing Time Lapse function
terrible battery life (290 shots)
MP count low (12MP)
screen is not selfie friendly
51
weather proof
megapixel count high (51MP)
low battery pack (650 shots)
more heavy than competition (1,550 grams)
display is not selfie friendly
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Landscape Comparison

Olympus E-PL1 Landscape photography highlights
Pentax 645Z Landscape photography highlights
55
has manual focus
swap lenses (Micro Four Thirds mount)
has image stabilization (Sensor based)
decent sensor size (Four Thirds)
delivers RAW formats
tiny screen (2.7 inches)
MP count low (12MP)
terrible battery life (290 CIPA)
missing Time Lapse function
78
you can focus manually
switch lenses (Pentax 645AF2 mount)
pretty good screen size (3.2 inches)
megapixel count high (51MP)
big sensor size (Medium format)
doesnt have low pass filter
great high ISO (204,800)
supports RAW formats
weather proof
2 card slots
lack of image stabilization
low battery pack (650 CIPA)
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Vlogging Comparison

Olympus E-PL1 Vlogging advice
Pentax 645Z Vlogging advice
29
has image stabilization (Sensor based)
comes with face detect focus
screen is not selfie friendly
video quality not great (1280 x 720 pixels)
missing mic support
27
offers face detect autofocus
video resolution high (1920 x 1080 pixels)
does have microphone support
display is not selfie friendly
lack of image stabilization
more heavy than competition (1,550g)
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Olympus E-PL1 vs Pentax 645Z Specifications

Detailed spec comparison table for Olympus E-PL1 and Pentax 645Z
 Olympus PEN E-PL1Pentax 645Z
General Information
Make Olympus Pentax
Model type Olympus PEN E-PL1 Pentax 645Z
Type Entry-Level Mirrorless Pro DSLR
Revealed 2010-05-17 2014-04-15
Physical type Rangefinder-style mirrorless Large SLR
Sensor Information
Processor Chip Truepic V PRIME III
Sensor type CMOS CMOS
Sensor size Four Thirds Medium format
Sensor measurements 17.3 x 13mm 44 x 33mm
Sensor area 224.9mm² 1,452.0mm²
Sensor resolution 12MP 51MP
Anti alias filter
Aspect ratio 4:3, 3:2 and 16:9 4:3
Max resolution 4032 x 3024 8256 x 6192
Max native ISO 3200 204800
Min native ISO 100 100
RAW photos
Autofocusing
Focus manually
Touch focus
Continuous autofocus
Single autofocus
Tracking autofocus
Autofocus selectice
Center weighted autofocus
Autofocus multi area
Live view autofocus
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Total focus points 11 27
Lens
Lens mount type Micro Four Thirds Pentax 645AF2
Total lenses 107 6
Crop factor 2.1 0.8
Screen
Display type Fixed Type Tilting
Display diagonal 2.7 inch 3.2 inch
Display resolution 230 thousand dots 1,037 thousand dots
Selfie friendly
Liveview
Touch operation
Display tech HyperCrystal LCD AR (Anti-Reflective) coating -
Viewfinder Information
Viewfinder Electronic (optional) Optical (pentaprism)
Viewfinder coverage - 98%
Viewfinder magnification - 0.85x
Features
Min shutter speed 60 seconds 30 seconds
Max shutter speed 1/2000 seconds 1/4000 seconds
Continuous shutter rate 3.0 frames per second 3.0 frames per second
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Set white balance
Image stabilization
Built-in flash
Flash distance 10.00 m no built-in flash
Flash options Auto, On, Off, Red-Eye, Fill-in, Slow Sync, Manual (3 levels) 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
Auto exposure bracketing
White balance bracketing
Max flash synchronize 1/160 seconds 1/125 seconds
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions 1280 x 720 (30 fps), 640 x 480 (30 fps) 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p,24p)
Max video resolution 1280x720 1920x1080
Video file format Motion JPEG MPEG-4, H.264
Microphone support
Headphone support
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 3.0 (5 GBit/sec)
GPS None Optional
Physical
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 334 gr (0.74 pounds) 1550 gr (3.42 pounds)
Physical dimensions 115 x 72 x 42mm (4.5" x 2.8" x 1.7") 156 x 117 x 123mm (6.1" x 4.6" x 4.8")
DXO scores
DXO Overall rating 54 101
DXO Color Depth rating 21.5 26.0
DXO Dynamic range rating 10.1 14.7
DXO Low light rating 487 4505
Other
Battery life 290 shots 650 shots
Battery style Battery Pack Battery Pack
Battery ID BLS-1 D-LI90
Self timer Yes (2 or 12 sec) Yes (2 or 10 secs)
Time lapse shooting
Type of storage SD/SDHC card Dual SD/SDHC/SDXC slots
Card slots Single 2
Cost at release $288 $5,024