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Olympus VG-145 vs Pentax 645Z

Portability
96
Imaging
37
Features
24
Overall
31
Olympus VG-145 front
 
Pentax 645Z front
Portability
49
Imaging
80
Features
74
Overall
77

Olympus VG-145 vs Pentax 645Z Key Specs

Olympus VG-145
(Full Review)
  • 14MP - 1/2.3" Sensor
  • 3" Fixed Display
  • ISO 80 - 1600
  • 1280 x 720 video
  • 26-130mm (F2.8-6.5) lens
  • 120g - 96 x 57 x 19mm
  • Introduced July 2011
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
  • Announced April 2014
  • Superseded the Pentax 645D
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Olympus VG-145 vs Pentax 645Z Overview

Its time to look closer at the Olympus VG-145 vs Pentax 645Z, former is a Ultracompact while the latter is a Pro DSLR by competitors Olympus and Pentax. There is a substantial difference between the sensor resolutions of the VG-145 (14MP) and 645Z (51MP) and the VG-145 (1/2.3") and 645Z (Medium format) posses totally different sensor sizing.

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The VG-145 was unveiled 3 years before the 645Z which is quite a big difference as far as tech is concerned. Each of these cameras have different body design with the Olympus VG-145 being a Ultracompact camera and the Pentax 645Z being a Large SLR camera.

Before delving into a complete comparison, here is a short view of how the VG-145 matches up versus the 645Z in the way of portability, imaging, features and an overall mark.

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Reasons to pick Olympus VG-145 over the Pentax 645Z

 VG-145 645Z 

Reasons to pick Pentax 645Z over the Olympus VG-145

 645Z VG-145 
AnnouncedApril 2014July 2011Newer by 33 months
Focus manually Dial exact focus
Screen typeTiltingFixed Tilting screen
Screen dimensions3.2"3"Bigger screen (+0.2")
Screen resolution1037k230kClearer screen (+807k dot)

Common features in the Olympus VG-145 and Pentax 645Z

 VG-145 645Z 
Selfie screen Missing selfie screen
Touch friendly screen Neither offers Touch friendly screen

Olympus VG-145 vs Pentax 645Z Physical Comparison

If you are looking to travel with your camera, you'll have to think about its weight and volume. The Olympus VG-145 offers outside dimensions of 96mm x 57mm x 19mm (3.8" x 2.2" x 0.7") along with a weight of 120 grams (0.26 lbs) while the Pentax 645Z has sizing of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") accompanied by a weight of 1550 grams (3.42 lbs).

Contrast the Olympus VG-145 vs Pentax 645Z in our completely new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an ILC will change depending on the lens you have chosen at the time. The following is a front view dimension comparison of the VG-145 versus the 645Z.

Olympus VG-145 vs Pentax 645Z size comparison

Factoring in size and weight, the portability rating of the VG-145 and 645Z is 96 and 49 respectively.

Olympus VG-145 vs Pentax 645Z top view buttons comparison

Olympus VG-145 vs Pentax 645Z Sensor Comparison

Oftentimes, it can be difficult to visualise the gap between sensor dimensions purely by reading specs. The image here will help give you a greater sense of the sensor sizes in the VG-145 and 645Z.

As you can plainly see, both cameras have different resolutions and different sensor dimensions. The VG-145 using its tinier sensor will make achieving bokeh more challenging and the Pentax 645Z will offer greater detail having an extra 37MP. Higher resolution will allow you to crop photographs a bit more aggressively. The more aged VG-145 is going to be behind with regard to sensor tech.

Olympus VG-145 vs Pentax 645Z sensor size comparison

Olympus VG-145 vs Pentax 645Z Screen and ViewFinder

Olympus VG-145 vs Pentax 645Z Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus VG-145 Portrait photography info
Pentax 645Z Portrait photography info
33
decent sensor resolution (14MP)
comes with face detect autofocus
manual focus not available
no manual mode
external flash not possible
tiny sensor (1/2.3")
does not have RAW support
88
has manual focus
MP count high (51 megapixels)
large sensor size (Medium format)
has face detection focus
delivers RAW files
Photography Glossary

Street Comparison

Olympus VG-145 Street photography highlights
Pentax 645Z Street photography highlights
48
screen is fixed
lack of image stabilization
tiny sensor (1/2.3")
does not have RAW support
63
screen tilts
large sensor size (Medium format)
delivers RAW files
environment proofing
above average ISO range (204,800)
lack of image stabilization
heavier than competitors (1,550 grams)
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Sports Comparison

Olympus VG-145 Sports photography features
Pentax 645Z Sports photography features
26
decent sensor resolution (14 megapixels)
no shutter priority mode
lack of image stabilization
tiny sensor (1/2.3")
bad battery pack (160 shots)
does not have phase detect autofocus
71
MP count high (51 megapixels)
large sensor size (Medium format)
has tracking autofocus
environment proofing
sensor has phase detect auto focus
low frames per second (3.0 frames per second)
lack of image stabilization
low battery life (650 per charge)
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Travel Comparison

Travel photography with Olympus VG-145
Travel photography with Pentax 645Z
62
decent sensor resolution (14MP)
flash built-in
really wide (26mm)
missing Timelapse mode
bad battery pack (160 CIPA)
screen isn't selfie friendly
slow max aperture (f2.8)
51
environment proofing
MP count high (51MP)
low battery life (650 CIPA)
heavier than competitors (1,550 grams)
display isn't selfie friendly
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Landscape Comparison

Olympus VG-145 Landscape photography highlights
Pentax 645Z Landscape photography highlights
36
really wide (26mm)
nice screen size (3")
decent sensor resolution (14 megapixels)
manual focus not available
lens is fixed (fixed lens mount)
slow max aperture (f2.8)
no manual mode
lack of image stabilization
tiny sensor (1/2.3")
does not have RAW support
bad battery pack (160 per charge)
missing Timelapse mode
78
has manual focus
interchangeable lenses (Pentax 645AF2 mount)
screen is a good size (3.2")
MP count high (51 megapixels)
large sensor size (Medium format)
doesnt have anti-alias filter
above average ISO range (204,800)
delivers RAW files
environment proofing
two card slots
lack of image stabilization
low battery life (650 per charge)
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Vlogging Comparison

Olympus VG-145 Vlogging information
Pentax 645Z Vlogging information
28
really wide (26mm)
comes with face detect autofocus
slow max aperture (f2.8)
screen isn't selfie friendly
lack of image stabilization
video res low (1280 x 720 resolution)
missing microphone support
27
has face detection focus
video resolution high (1920 x 1080 resolution)
includes external mic socket
display isn't selfie friendly
lack of image stabilization
heavier than competitors (1,550g)
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Olympus VG-145 vs Pentax 645Z Specifications

Detailed spec comparison table for Olympus VG-145 and Pentax 645Z
 Olympus VG-145Pentax 645Z
General Information
Manufacturer Olympus Pentax
Model Olympus VG-145 Pentax 645Z
Class Ultracompact Pro DSLR
Introduced 2011-07-27 2014-04-15
Physical type Ultracompact Large SLR
Sensor Information
Powered by TruePic III PRIME III
Sensor type CCD CMOS
Sensor size 1/2.3" Medium format
Sensor dimensions 6.17 x 4.55mm 44 x 33mm
Sensor area 28.1mm² 1,452.0mm²
Sensor resolution 14 megapixel 51 megapixel
Anti aliasing filter
Aspect ratio 4:3 4:3
Peak resolution 4288 x 3216 8256 x 6192
Highest native ISO 1600 204800
Lowest native ISO 80 100
RAW format
Autofocusing
Manual focus
Autofocus touch
Continuous autofocus
Autofocus single
Autofocus tracking
Autofocus selectice
Autofocus center weighted
Autofocus multi area
Live view autofocus
Face detect focus
Contract detect focus
Phase detect focus
Number of focus points - 27
Cross focus points - -
Lens
Lens mounting type fixed lens Pentax 645AF2
Lens focal range 26-130mm (5.0x) -
Largest aperture f/2.8-6.5 -
Macro focus distance 1cm -
Number of lenses - 6
Focal length multiplier 5.8 0.8
Screen
Type of display Fixed Type Tilting
Display sizing 3 inches 3.2 inches
Resolution of display 230 thousand dots 1,037 thousand dots
Selfie friendly
Liveview
Touch capability
Display technology TFT Color LCD -
Viewfinder Information
Viewfinder None Optical (pentaprism)
Viewfinder coverage - 98%
Viewfinder magnification - 0.85x
Features
Minimum shutter speed 4 seconds 30 seconds
Fastest shutter speed 1/2000 seconds 1/4000 seconds
Continuous shutter rate - 3.0 frames/s
Shutter priority
Aperture priority
Expose Manually
Exposure compensation - Yes
Custom white balance
Image stabilization
Inbuilt flash
Flash range 4.40 m no built-in flash
Flash modes Auto, On, Off, Red-Eye, Fill-in 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
Fastest flash synchronize - 1/125 seconds
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 1280 x 720 (30, 15fps), 640 x 480 (30, 15 fps), 320 x 240 (30, 15fps) 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p,24p)
Highest video resolution 1280x720 1920x1080
Video format Motion JPEG MPEG-4, H.264
Mic port
Headphone port
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 sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 120 gr (0.26 lb) 1550 gr (3.42 lb)
Physical dimensions 96 x 57 x 19mm (3.8" x 2.2" x 0.7") 156 x 117 x 123mm (6.1" x 4.6" x 4.8")
DXO scores
DXO Overall score not tested 101
DXO Color Depth score not tested 26.0
DXO Dynamic range score not tested 14.7
DXO Low light score not tested 4505
Other
Battery life 160 images 650 images
Battery type Battery Pack Battery Pack
Battery model LI-70B D-LI90
Self timer Yes (2 or 12 sec) Yes (2 or 10 secs)
Time lapse feature
Storage type SD/SDHC Dual SD/SDHC/SDXC slots
Card slots One Dual
Retail cost $0 $5,024