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Olympus PEN-F vs Pentax 645Z

Portability
84
Imaging
59
Features
79
Overall
67
Olympus PEN-F front
 
Pentax 645Z front
Portability
49
Imaging
80
Features
74
Overall
77

Olympus PEN-F vs Pentax 645Z Key Specs

Olympus PEN-F
(Full Review)
  • 20MP - Four Thirds Sensor
  • 3" Fully Articulated Display
  • ISO 200 - 25600
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Maximum Shutter
  • 1920 x 1080 video
  • Micro Four Thirds Mount
  • 427g - 125 x 72 x 37mm
  • Introduced January 2016
Pentax 645Z
(Full Review)
  • 51MP - Medium format Sensor
  • 3.2" Tilting Screen
  • ISO 100 - 204800
  • No Anti-Alias Filter
  • 1920 x 1080 video
  • Pentax 645AF2 Mount
  • 1550g - 156 x 117 x 123mm
  • Released April 2014
  • Earlier Model is Pentax 645D
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Olympus PEN-F vs Pentax 645Z Overview

Below is a extensive analysis of the Olympus PEN-F and Pentax 645Z, former being a Advanced Mirrorless while the latter is a Pro DSLR by companies Olympus and Pentax. There exists a substantial gap among the resolutions of the PEN-F (20MP) and 645Z (51MP) and the PEN-F (Four Thirds) and 645Z (Medium format) posses different sensor sizing.

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The PEN-F was manufactured 22 months later than the 645Z which makes them a generation apart from one another. Both the cameras feature different body design with the Olympus PEN-F being a Rangefinder-style mirrorless camera and the Pentax 645Z being a Large SLR camera.

Before we go straight to a full comparison, here is a simple introduction of how the PEN-F grades against the 645Z in the way of portability, imaging, features and an overall grade.

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Reasons to pick Olympus PEN-F over the Pentax 645Z

 PEN-F 645Z 
ReleasedJanuary 2016April 2014More recent by 22 months
Screen typeFully ArticulatedTiltingFully Articulating screen
Selfie screen Take selfies
Touch screen Quickly navigate

Reasons to pick Pentax 645Z over the Olympus PEN-F

 645Z PEN-F 
Screen size3.2"3"Bigger screen (+0.2")

Common features in the Olympus PEN-F and Pentax 645Z

 PEN-F 645Z 
Focus manually More exact focusing
Screen resolution1037k1037kIdentical screen resolution

Olympus PEN-F vs Pentax 645Z Physical Comparison

When you are planning to lug around your camera frequently, you will want to think about its weight and proportions. The Olympus PEN-F comes with external dimensions of 125mm x 72mm x 37mm (4.9" x 2.8" x 1.5") accompanied by a weight of 427 grams (0.94 lbs) whilst the Pentax 645Z has measurements of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") having a weight of 1550 grams (3.42 lbs).

Check the Olympus PEN-F and Pentax 645Z in our newest Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an ILC will vary dependant on the lens you select at the time. Underneath is a front view dimension comparison of the PEN-F vs the 645Z.

Olympus PEN-F vs Pentax 645Z size comparison

Taking into consideration dimensions and weight, the portability grade of the PEN-F and 645Z is 84 and 49 respectively.

Olympus PEN-F vs Pentax 645Z top view buttons comparison

Olympus PEN-F vs Pentax 645Z Sensor Comparison

Quite often, its hard to imagine the contrast in sensor measurements purely by looking through specifications. The graphic underneath may offer you a more clear sense of the sensor sizes in the PEN-F and 645Z.

To sum up, both of those cameras feature different resolutions and different sensor measurements. The PEN-F featuring a smaller sensor is going to make shooting shallower DOF more challenging and the Pentax 645Z will render greater detail due to its extra 31 Megapixels. Higher resolution will also allow you to crop pictures way more aggressively. The fresher PEN-F should have an advantage in sensor innovation.

Olympus PEN-F vs Pentax 645Z sensor size comparison

Olympus PEN-F vs Pentax 645Z Screen and ViewFinder

Olympus PEN-F vs Pentax 645Z Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Olympus PEN-F
Portrait photography with Pentax 645Z
75
focusing manually
good megapixels (20MP)
nice sensor size (Four Thirds)
includes face detect autofocus
saves RAW files
88
has manual focus
great MP (51 megapixels)
sensor size is large (Medium format)
provides face detection focusing
delivers RAW formats
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Street Comparison

Olympus PEN-F as a Street photography camera
Pentax 645Z as a Street photography camera
84
screen articulates fully
has image stabilization (Sensor based 5-axis)
nice sensor size (Four Thirds)
saves RAW files
includes touch focus
above average ISO range (25,600)
63
tilting screen
sensor size is large (Medium format)
delivers RAW formats
weather sealing
great ISO range (204,800)
no image stabilization
more heavy than others in class (1,550g)
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Sports Comparison

Olympus PEN-F Sports photography features
Pentax 645Z Sports photography features
67
high shutter speed (1/8,000 seconds)
quiet mode (1/16,000 seconds)
has image stabilization (Sensor based 5-axis)
good megapixels (20 megapixels)
nice sensor size (Four Thirds)
includes tracking focus
terrible battery (330 per charge)
has no phase detect autofocus
71
great MP (51MP)
sensor size is large (Medium format)
provides tracking autofocus
weather sealing
comes with phase detect AF
slow fps (3.0 frames/s)
no image stabilization
not so great battery life (650 per charge)
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Travel Comparison

Olympus PEN-F Travel photography features
Pentax 645Z Travel photography features
75
includes touch focus
good megapixels (20MP)
selfie friendly display
terrible battery (330 per charge)
51
weather sealing
great MP (51MP)
not so great battery life (650 CIPA)
more heavy than others in class (1,550g)
does not offer selfie friendly display
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Landscape Comparison

Olympus PEN-F Landscape photography features
Pentax 645Z Landscape photography features
76
focusing manually
interchangeable lenses (Micro Four Thirds mount)
screen is a good size (3 inches)
has image stabilization (Sensor based 5-axis)
good megapixels (20 megapixels)
nice sensor size (Four Thirds)
above average ISO range (25,600)
saves RAW files
terrible battery (330 CIPA)
78
has manual focus
switch lenses (Pentax 645AF2 mount)
nice screen size (3.2")
great MP (51MP)
sensor size is large (Medium format)
does not have low pass filter
great ISO range (204,800)
delivers RAW formats
weather sealing
2 card slots
no image stabilization
not so great battery life (650 shots)
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Vlogging Comparison

Olympus PEN-F Vlogging features
Pentax 645Z Vlogging features
78
selfie friendly display
touch screen
has image stabilization (Sensor based 5-axis)
includes face detect autofocus
video res high (1920 x 1080 pixels)
lack of mic socket
27
provides face detection focusing
high res video (1920 x 1080 pxls)
does have external microphone support
does not offer selfie friendly display
no image stabilization
more heavy than others in class (1,550g)
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Olympus PEN-F vs Pentax 645Z Specifications

Detailed spec comparison table for Olympus PEN-F and Pentax 645Z
 Olympus PEN-FPentax 645Z
General Information
Company Olympus Pentax
Model type Olympus PEN-F Pentax 645Z
Type Advanced Mirrorless Pro DSLR
Introduced 2016-01-27 2014-04-15
Physical type Rangefinder-style mirrorless Large SLR
Sensor Information
Chip TruePic VII PRIME III
Sensor type CMOS CMOS
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 20 megapixels 51 megapixels
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 4:3
Max resolution 5184 x 3888 8256 x 6192
Max native ISO 25600 204800
Minimum native ISO 200 100
RAW photos
Minimum enhanced ISO 80 -
Autofocusing
Focus manually
Touch to focus
Autofocus continuous
Autofocus single
Autofocus tracking
Autofocus selectice
Center weighted autofocus
Multi area autofocus
Live view autofocus
Face detect focus
Contract detect focus
Phase detect focus
Total focus points 81 27
Lens
Lens mount type Micro Four Thirds Pentax 645AF2
Amount of lenses 107 6
Crop factor 2.1 0.8
Screen
Display type Fully Articulated Tilting
Display sizing 3 inches 3.2 inches
Resolution of display 1,037 thousand dots 1,037 thousand dots
Selfie friendly
Liveview
Touch functionality
Viewfinder Information
Viewfinder type Electronic Optical (pentaprism)
Viewfinder resolution 2,360 thousand dots -
Viewfinder coverage 100% 98%
Viewfinder magnification 0.62x 0.85x
Features
Minimum shutter speed 60s 30s
Fastest shutter speed 1/8000s 1/4000s
Fastest quiet shutter speed 1/16000s -
Continuous shutter rate 10.0fps 3.0fps
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Set white balance
Image stabilization
Built-in flash
Flash distance no built-in flash no built-in flash
Flash options Flash Auto, Redeye, Fill-in, Flash Off, Red-eye Slow sync (1st curtain), Slow sync (1st curtain), Slow sync (2nd curtain) 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
External flash
Auto exposure bracketing
WB bracketing
Fastest flash synchronize - 1/125s
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 1920 x 1080 (60p, 50p, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p, 24p) 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p,24p)
Max video resolution 1920x1080 1920x1080
Video file format MPEG-4, H.264, Motion JPEG MPEG-4, H.264
Microphone support
Headphone support
Connectivity
Wireless Built-In 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 427g (0.94 lb) 1550g (3.42 lb)
Physical dimensions 125 x 72 x 37mm (4.9" x 2.8" x 1.5") 156 x 117 x 123mm (6.1" x 4.6" x 4.8")
DXO scores
DXO Overall rating 74 101
DXO Color Depth rating 23.1 26.0
DXO Dynamic range rating 12.4 14.7
DXO Low light rating 894 4505
Other
Battery life 330 shots 650 shots
Battery style Battery Pack Battery Pack
Battery ID BLN-1 D-LI90
Self timer Yes (2 or 12 seconds, custom) Yes (2 or 10 secs)
Time lapse shooting
Type of storage SD/SDHC/SDXC Dual SD/SDHC/SDXC slots
Card slots Single 2
Retail pricing $1,000 $5,024