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Olympus VG-120 vs Pentax 645D

Portability
96
Imaging
37
Features
24
Overall
31
Olympus VG-120 front
 
Pentax 645D front
Portability
50
Imaging
76
Features
52
Overall
66

Olympus VG-120 vs Pentax 645D Key Specs

Olympus VG-120
(Full Review)
  • 14MP - 1/2.3" Sensor
  • 3" Fixed Screen
  • ISO 80 - 1600
  • 1280 x 720 video
  • 26-130mm (F2.8-6.5) lens
  • 120g - 96 x 57 x 19mm
  • Introduced January 2011
Pentax 645D
(Full Review)
  • 40MP - Medium format Sensor
  • 3" Fixed Screen
  • ISO 200 - 1600
  • No Anti-Alias Filter
  • No Video
  • Pentax 645AF2 Mount
  • 1480g - 156 x 117 x 119mm
  • Introduced March 2010
  • Renewed by Pentax 645Z
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Olympus VG-120 vs Pentax 645D Overview

Let's look a bit more in depth at the Olympus VG-120 vs Pentax 645D, former is a Ultracompact while the latter is a Pro DSLR by rivals Olympus and Pentax. There exists a sizable gap among the image resolutions of the VG-120 (14MP) and 645D (40MP) and the VG-120 (1/2.3") and 645D (Medium format) have totally different sensor size.

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The VG-120 was brought out 11 months after the 645D so they are of a similar age. Both of these cameras feature different body design with the Olympus VG-120 being a Ultracompact camera and the Pentax 645D being a Large SLR camera.

Before going right into a comprehensive comparison, here is a brief overview of how the VG-120 grades versus the 645D when it comes to portability, imaging, features and an overall mark.

Photography Glossary
	
	

Reasons to pick Olympus VG-120 over the Pentax 645D

 VG-120 645D 
IntroducedJanuary 2011March 2010Newer by 11 months

Reasons to pick Pentax 645D over the Olympus VG-120

 645D VG-120 
Focus manually Very precise focusing
Screen resolution921k230kCrisper screen (+691k dot)

Common features in the Olympus VG-120 and Pentax 645D

 VG-120 645D 
Screen typeFixed Fixed Fixed screen
Screen size3"3"Same screen size
Selfie screen Neither features selfie screen
Touch friendly screen No Touch friendly screen

Olympus VG-120 vs Pentax 645D Physical Comparison

For anyone who is going to travel with your camera often, you will want to take into account its weight and measurements. The Olympus VG-120 enjoys exterior dimensions of 96mm x 57mm x 19mm (3.8" x 2.2" x 0.7") and a weight of 120 grams (0.26 lbs) and the Pentax 645D has proportions of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") having a weight of 1480 grams (3.26 lbs).

Take a look at the Olympus VG-120 vs Pentax 645D in our newest Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Don't forget, the weight of an ILC will vary depending on the lens you have attached at that moment. Following is a front view dimensions comparison of the VG-120 and the 645D.

Olympus VG-120 vs Pentax 645D size comparison

Taking into consideration dimensions and weight, the portability grade of the VG-120 and 645D is 96 and 50 respectively.

Olympus VG-120 vs Pentax 645D top view buttons comparison

Olympus VG-120 vs Pentax 645D Sensor Comparison

More often than not, it's difficult to see the contrast in sensor dimensions only by looking through specs. The picture here might offer you a much better sense of the sensor dimensions in the VG-120 and 645D.

All in all, both of those cameras feature different megapixel count and different sensor dimensions. The VG-120 featuring a smaller sensor will make achieving shallow depth of field trickier and the Pentax 645D will render more detail having its extra 26MP. Higher resolution will also allow you to crop photographs way more aggressively. The more recent VG-120 will have an advantage with regard to sensor tech.

Olympus VG-120 vs Pentax 645D sensor size comparison

Olympus VG-120 vs Pentax 645D Screen and ViewFinder

Olympus VG-120 vs Pentax 645D Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus VG-120 Portrait photography factors
Pentax 645D Portrait photography factors
33
good MP (14MP)
offers face detection focusing
lack of manual focus
manual exposure not available
external flash not possible
tiny sensor (1/2.3")
lacks RAW files
77
focusing manually
great MP (40 megapixels)
great sensor size (Medium format)
delivers RAW files
no liveview
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Street Comparison

Olympus VG-120 as a Street photography camera
Pentax 645D as a Street photography camera
48
screen does not articulate
does not have image stabilization
tiny sensor (1/2.3")
lacks RAW files
58
great sensor size (Medium format)
delivers RAW files
weather sealing
no moving screen
no image stabilization
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Sports Comparison

Olympus VG-120 as a Sports photography camera
Pentax 645D as a Sports photography camera
26
good MP (14 megapixels)
no shutter priority
does not have image stabilization
tiny sensor (1/2.3")
low battery life (160 shots)
lacks phase detect AF
63
great MP (40MP)
great sensor size (Medium format)
weather sealing
has phase detect auto focus
no liveview
low fps (1.0 fps)
no image stabilization
low battery life (800 CIPA)
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Travel Comparison

Olympus VG-120 Travel photography information
Pentax 645D Travel photography information
62
good MP (14 megapixels)
flash built-in
relatively wide (26mm)
does not have Time Lapse recording
low battery life (160 per charge)
display isn't selfie friendly
slow maximum aperture (f2.8)
55
weather sealing
great MP (40 megapixels)
low battery life (800 shots)
does not posses selfie friendly screen
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Landscape Comparison

Olympus VG-120 Landscape photography details
Pentax 645D Landscape photography details
36
relatively wide (26mm)
screen size is good (3")
good MP (14 megapixels)
lack of manual focus
cannot change lens (fixed lens mount)
slow maximum aperture (f2.8)
manual exposure not available
does not have image stabilization
tiny sensor (1/2.3")
lacks RAW files
low battery life (160 per charge)
does not have Time Lapse recording
72
focusing manually
swap lenses (Pentax 645AF2 mount)
pretty good screen size (3 inch)
great MP (40MP)
great sensor size (Medium format)
no anti aliasing filter
delivers RAW files
weather sealing
two card slots
no liveview
no image stabilization
low battery life (800 per charge)
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Vlogging Comparison

Olympus VG-120 Vlogging info
Pentax 645D Vlogging info
28
relatively wide (26mm)
offers face detection focusing
slow maximum aperture (f2.8)
display isn't selfie friendly
does not have image stabilization
video resolution low (1280 x 720 resolution)
does not have external mic socket
9
lack of video recording
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Olympus VG-120 vs Pentax 645D Specifications

Detailed spec comparison table for Olympus VG-120 and Pentax 645D
 Olympus VG-120Pentax 645D
General Information
Brand Name Olympus Pentax
Model Olympus VG-120 Pentax 645D
Category Ultracompact Pro DSLR
Introduced 2011-01-06 2010-03-10
Physical type Ultracompact Large SLR
Sensor Information
Processor Chip TruePic III Prime II
Sensor type CCD CCD
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 40 megapixel
Anti aliasing filter
Aspect ratio 4:3 4:3
Highest Possible resolution 4288 x 3216 7264 x 5440
Maximum native ISO 1600 1600
Min native ISO 80 200
RAW images
Min enhanced ISO - 100
Autofocusing
Manual focus
Touch focus
Continuous AF
Single AF
Tracking AF
Selective AF
AF center weighted
AF multi area
AF live view
Face detection AF
Contract detection AF
Phase detection AF
Number of focus points - 11
Lens
Lens mount fixed lens Pentax 645AF2
Lens focal range 26-130mm (5.0x) -
Max aperture f/2.8-6.5 -
Macro focus range 7cm -
Total lenses - 6
Crop factor 5.8 0.8
Screen
Screen type Fixed Type Fixed Type
Screen diagonal 3" 3"
Screen resolution 230k dots 921k dots
Selfie friendly
Liveview
Touch capability
Screen technology TFT Color LCD TFT Color LCD with wide-viewing angle and with AR coating
Viewfinder Information
Viewfinder None Optical (pentaprism)
Viewfinder coverage - 98 percent
Viewfinder magnification - 0.85x
Features
Minimum shutter speed 4 secs 30 secs
Fastest shutter speed 1/2000 secs 1/4000 secs
Continuous shutter rate - 1.0 frames per second
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation - Yes
Custom WB
Image stabilization
Inbuilt flash
Flash range 4.40 m no built-in flash
Flash options Auto, On, Off, Red-Eye, Fill-in Auto, On, Off, Red-eye, Slow Sync, Rear Curtain
External flash
Auto exposure bracketing
White balance bracketing
Fastest flash synchronize - 1/125 secs
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions 1280 x 720 (30, 15fps), 640 x 480 (30, 15 fps), 320 x 240 (30, 15fps) -
Maximum video resolution 1280x720 None
Video data format Motion JPEG -
Mic port
Headphone port
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 120 gr (0.26 pounds) 1480 gr (3.26 pounds)
Physical dimensions 96 x 57 x 19mm (3.8" x 2.2" x 0.7") 156 x 117 x 119mm (6.1" x 4.6" x 4.7")
DXO scores
DXO Overall score not tested 82
DXO Color Depth score not tested 24.6
DXO Dynamic range score not tested 12.6
DXO Low light score not tested 1262
Other
Battery life 160 photos 800 photos
Battery type Battery Pack Battery Pack
Battery model LI-70B D-LI90
Self timer Yes (2 or 12 sec) Yes (2 or 10 sec)
Time lapse feature
Storage type SD/SDHC SD/SDHC
Card slots One Two
Launch price $190 $4,000