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Olympus E-M5 III vs Sony T99

Portability
80
Imaging
62
Features
88
Overall
72
Olympus OM-D E-M5 III front
 
Sony Cyber-shot DSC-T99 front
Portability
96
Imaging
37
Features
27
Overall
33

Olympus E-M5 III vs Sony T99 Key Specs

Olympus E-M5 III
(Full Review)
  • 20MP - Four Thirds Sensor
  • 3" Fully Articulated Display
  • ISO 200 - 25600
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Maximum Shutter
  • 4096 x 2160 video
  • Micro Four Thirds Mount
  • 414g - 125 x 85 x 50mm
  • Announced October 2019
  • Succeeded the Olympus E-M5 II
  • Replacement is OM System OM-5
Sony T99
(Full Review)
  • 14MP - 1/2.3" Sensor
  • 3" Fixed Display
  • ISO 80 - 3200
  • Optical Image Stabilization
  • 1280 x 720 video
  • 25-100mm (F3.5-4.6) lens
  • 121g - 93 x 56 x 17mm
  • Introduced July 2010
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Olympus E-M5 III vs Sony T99 Overview

The following is a extensive analysis of the Olympus E-M5 III versus Sony T99, former is a Advanced Mirrorless while the other is a Ultracompact by brands Olympus and Sony. There exists a substantial gap among the sensor resolutions of the E-M5 III (20MP) and T99 (14MP) and the E-M5 III (Four Thirds) and T99 (1/2.3") boast different sensor sizes.

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The E-M5 III was launched 9 years after the T99 which is a fairly big difference as far as camera technology is concerned. The two cameras have different body design with the Olympus E-M5 III being a SLR-style mirrorless camera and the Sony T99 being a Ultracompact camera.

Before going straight to a more detailed comparison, here is a brief summation of how the E-M5 III matches up against the T99 in terms of portability, imaging, features and an overall mark.

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Reasons to pick Olympus E-M5 III over the Sony T99

 E-M5 III T99 
IntroducedOctober 2019July 2010Newer by 113 months
Focus manually Dial precise focusing
Display typeFully ArticulatedFixed Fully Articulating display
Display resolution1040k230kClearer display (+810k dot)
Selfie screen Take selfies

Reasons to pick Sony T99 over the Olympus E-M5 III

 T99 E-M5 III 

Common features in the Olympus E-M5 III and Sony T99

 E-M5 III T99 
Display dimensions3"3"Equal display dimensions
Touch friendly display Easily navigate

Olympus E-M5 III vs Sony T99 Physical Comparison

When you are aiming to travel with your camera frequently, you're going to have to factor in its weight and proportions. The Olympus E-M5 III enjoys external measurements of 125mm x 85mm x 50mm (4.9" x 3.3" x 2.0") along with a weight of 414 grams (0.91 lbs) while the Sony T99 has measurements of 93mm x 56mm x 17mm (3.7" x 2.2" x 0.7") having a weight of 121 grams (0.27 lbs).

Examine the Olympus E-M5 III versus Sony T99 in our newest Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an ILC will differ depending on the lens you are working with at that time. Here is a front view overall size comparison of the E-M5 III versus the T99.

Olympus E-M5 III vs Sony T99 size comparison

Considering dimensions and weight, the portability rating of the E-M5 III and T99 is 80 and 96 respectively.

Olympus E-M5 III vs Sony T99 top view buttons comparison

Olympus E-M5 III vs Sony T99 Sensor Comparison

Normally, it is very hard to picture the gap in sensor dimensions purely by looking through a spec sheet. The image below will help give you a far better sense of the sensor measurements in the E-M5 III and T99.

Clearly, both of the cameras provide different megapixels and different sensor dimensions. The E-M5 III due to its larger sensor is going to make achieving shallow depth of field simpler and the Olympus E-M5 III will provide you with greater detail utilizing its extra 6 Megapixels. Greater resolution will help you crop images more aggressively. The fresher E-M5 III should have an edge with regard to sensor technology.

Olympus E-M5 III vs Sony T99 sensor size comparison

Olympus E-M5 III vs Sony T99 Screen and ViewFinder

Olympus E-M5 III vs Sony T99 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-M5 III Portrait photography details
Sony T99 Portrait photography details
77
focusing manually
sensor resolution is decent (20 megapixels)
good sensor size (Four Thirds)
has face detection focus
exports RAW files
28
good MP (14 megapixels)
lack of manual focus
lack of manual mode
no external flash support
very small sensor (1/2.3")
lack of RAW files
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Street Comparison

Olympus E-M5 III Street photography details
Sony T99 Street photography details
83
screen articulates fully
built in image stabilization (Sensor based 5-axis)
good sensor size (Four Thirds)
exports RAW files
features focus via touch
environment proof
above average ISO range (25,600)
57
image stabilization (Optical)
no articulating screen
very small sensor (1/2.3")
lack of RAW files
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Sports Comparison

Olympus E-M5 III Sports photography advice
Sony T99 Sports photography advice
76
great max shutter speed (1/8,000 seconds)
silent shutter (1/32,000 seconds)
max frames per second high (30.0 fps)
built in image stabilization (Sensor based 5-axis)
sensor resolution is decent (20MP)
good sensor size (Four Thirds)
has tracking autofocus
environment proof
supports phase detect auto focus
low battery power (310 CIPA)
35
image stabilization (Optical)
good MP (14 megapixels)
low maximum shutter speed (1/1,250s)
lack of shutter priority mode
very small sensor (1/2.3")
lack of phase detect AF
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Travel Comparison

Travel photography with Olympus E-M5 III
Travel photography with Sony T99
77
environment proof
supports bluetooth
features focus via touch
sensor resolution is decent (20MP)
selfie friendly display
low battery power (310 CIPA)
65
good MP (14MP)
has built in flash
fairly wide (25mm)
doesn't have Timelapse recording
display isn't selfie friendly
slow maximum aperture (f3.5)
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Landscape Comparison

Landscape photography with Olympus E-M5 III
Landscape photography with Sony T99
77
focusing manually
swap lenses (Micro Four Thirds mount)
decent sized screen (3 inch)
built in image stabilization (Sensor based 5-axis)
sensor resolution is decent (20MP)
good sensor size (Four Thirds)
above average ISO range (25,600)
exports RAW files
environment proof
low battery power (310 per charge)
42
fairly wide (25mm)
good sized screen (3 inch)
image stabilization (Optical)
good MP (14MP)
lack of manual focus
cannot change lens (fixed lens mount)
slow maximum aperture (f3.5)
lack of manual mode
very small sensor (1/2.3")
lack of RAW files
doesn't have Timelapse recording
Photography Glossary

Vlogging Comparison

Olympus E-M5 III Vlogging details
Sony T99 Vlogging details
84
selfie friendly display
touchscreen capability
built in image stabilization (Sensor based 5-axis)
has face detection focus
video res high (4096 x 2160 pixels)
comes with external mic socket
31
fairly wide (25mm)
touchscreen enabled
image stabilization (Optical)
slow maximum aperture (f3.5)
display isn't selfie friendly
low video resolution (1280 x 720 pixels)
doesn't have external microphone support
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Olympus E-M5 III vs Sony T99 Specifications

Detailed spec comparison table for Olympus E-M5 III and Sony T99
 Olympus OM-D E-M5 IIISony Cyber-shot DSC-T99
General Information
Brand Olympus Sony
Model Olympus OM-D E-M5 III Sony Cyber-shot DSC-T99
Type Advanced Mirrorless Ultracompact
Announced 2019-10-17 2010-07-08
Physical type SLR-style mirrorless Ultracompact
Sensor Information
Chip TruePic VIII Bionz
Sensor type MOS CCD
Sensor size Four Thirds 1/2.3"
Sensor measurements 17.4 x 13mm 6.17 x 4.55mm
Sensor area 226.2mm² 28.1mm²
Sensor resolution 20 megapixel 14 megapixel
Anti aliasing filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 4:3 and 16:9
Highest Possible resolution 5184 x 3888 4320 x 3240
Maximum native ISO 25600 3200
Minimum native ISO 200 80
RAW support
Minimum enhanced ISO 64 -
Autofocusing
Manual focus
Touch to focus
Continuous AF
AF single
Tracking AF
Selective AF
AF center weighted
AF multi area
AF live view
Face detect AF
Contract detect AF
Phase detect AF
Number of focus points 121 9
Lens
Lens mount Micro Four Thirds fixed lens
Lens focal range - 25-100mm (4.0x)
Highest aperture - f/3.5-4.6
Macro focus range - 1cm
Amount of lenses 107 -
Crop factor 2.1 5.8
Screen
Display type Fully Articulated Fixed Type
Display diagonal 3 inches 3 inches
Resolution of display 1,040k dots 230k dots
Selfie friendly
Liveview
Touch functionality
Viewfinder Information
Viewfinder type Electronic None
Viewfinder resolution 2,360k dots -
Viewfinder coverage 100 percent -
Viewfinder magnification 0.68x -
Features
Min shutter speed 60 seconds 2 seconds
Max shutter speed 1/8000 seconds 1/1250 seconds
Max quiet shutter speed 1/32000 seconds -
Continuous shutter rate 30.0fps 10.0fps
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes -
Set WB
Image stabilization
Inbuilt flash
Flash range no built-in flash 4.60 m
Flash modes Auto, redeye, fill, off, redeye slow sync, slow sync, 2nd-curtain slow sync, manual Auto, On, Off, Red eye, Slow syncro
External flash
Auto exposure bracketing
White balance bracketing
Max flash synchronize 1/250 seconds -
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 4096 x 2160 @ 24p / 237 Mbps, MOV, H.264, Linear PCM 1280 x 720 (30 fps), 640 x 480 (30 fps)
Maximum video resolution 4096x2160 1280x720
Video file format MPEG-4, H.264 MPEG-4
Microphone support
Headphone support
Connectivity
Wireless Built-In Eye-Fi Connected
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 414 gr (0.91 pounds) 121 gr (0.27 pounds)
Physical dimensions 125 x 85 x 50mm (4.9" x 3.3" x 2.0") 93 x 56 x 17mm (3.7" x 2.2" x 0.7")
DXO scores
DXO Overall score not tested not tested
DXO Color Depth score not tested not tested
DXO Dynamic range score not tested not tested
DXO Low light score not tested not tested
Other
Battery life 310 pictures -
Style of battery Battery Pack -
Battery model BLN-1 NP-BN1
Self timer Yes (2 or 10 secs, custom) Yes (2 or 10 sec, portrait1, portrait2)
Time lapse recording
Type of storage SD/SDHC/SDXC (UHS-II supported) SD/ SDHC/ SDXC, Memory Stick Duo/Pro Duo, Internal
Card slots Single Single
Price at release $1,199 $179