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Olympus E-M5 III vs Sigma fp

Portability
80
Imaging
61
Features
88
Overall
71
Olympus OM-D E-M5 III front
 
Sigma fp front
Portability
84
Imaging
75
Features
79
Overall
76

Olympus E-M5 III vs Sigma fp 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 Max Shutter
  • 4096 x 2160 video
  • Micro Four Thirds Mount
  • 414g - 125 x 85 x 50mm
  • Launched October 2019
  • Replaced the Olympus E-M5 II
  • Successor is OM System OM-5
Sigma fp
(Full Review)
  • 25MP - Full frame Sensor
  • 3.2" Fixed Screen
  • ISO 100 - 25600 (Bump to 102400)
  • 1/8000s Maximum Shutter
  • 3840 x 2160 video
  • Leica L Mount
  • 422g - 113 x 70 x 45mm
  • Introduced July 2019
  • Replacement is Sigma fp L
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Olympus E-M5 III vs Sigma fp Overview

Lets look a bit more closely at the Olympus E-M5 III vs Sigma fp, both Advanced Mirrorless digital cameras by manufacturers Olympus and Sigma. The resolution of the E-M5 III (20MP) and the fp (25MP) is relatively similar but the E-M5 III (Four Thirds) and fp (Full frame) have totally different sensor dimensions.

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The E-M5 III was introduced 4 months after the fp which means that they are of a similar age. The two cameras feature different body design with the Olympus E-M5 III being a SLR-style mirrorless camera and the Sigma fp being a Rangefinder-style mirrorless camera.

Before getting right into a thorough comparison, here is a short synopsis of how the E-M5 III matches up against the fp when it comes to portability, imaging, features and an overall mark.

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Reasons to pick Olympus E-M5 III over the Sigma fp

 E-M5 III fp 
Screen typeFully ArticulatedFixed Fully Articulating screen
Selfie screen Take selfies

Reasons to pick Sigma fp over the Olympus E-M5 III

 fp E-M5 III 
Screen size3.2"3"Bigger screen (+0.2")
Screen resolution2100k1040kSharper screen (+1060k dot)

Common features in the Olympus E-M5 III and Sigma fp

 E-M5 III fp 
IntroducedOctober 2019July 2019Similar age
Manual focus More exact focus
Touch friendly screen Quickly navigate

Olympus E-M5 III vs Sigma fp Physical Comparison

When you are intending to travel with your camera frequently, you're going to have to take into account its weight and dimensions. The Olympus E-M5 III provides physical measurements of 125mm x 85mm x 50mm (4.9" x 3.3" x 2.0") with a weight of 414 grams (0.91 lbs) whilst the Sigma fp has dimensions of 113mm x 70mm x 45mm (4.4" x 2.8" x 1.8") along with a weight of 422 grams (0.93 lbs).

Check the Olympus E-M5 III vs Sigma fp in our newest Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an ILC will differ dependant on the lens you are utilizing at that moment. Below is a front view sizing comparison of the E-M5 III and the fp.

Olympus E-M5 III vs Sigma fp size comparison

Taking into account size and weight, the portability rating of the E-M5 III and fp is 80 and 84 respectively.

Olympus E-M5 III vs Sigma fp top view buttons comparison

Olympus E-M5 III vs Sigma fp Sensor Comparison

Generally, it's hard to see the difference between sensor dimensions merely by reviewing a spec sheet. The image underneath might provide you a far better sense of the sensor measurements in the E-M5 III and fp.

Clearly, both of those cameras feature different megapixels and different sensor dimensions. The E-M5 III having a tinier sensor will make getting shallow DOF tougher and the Sigma fp will offer you extra detail using its extra 5 Megapixels. Higher resolution will also let you crop photographs way more aggressively.

Olympus E-M5 III vs Sigma fp sensor size comparison

Olympus E-M5 III vs Sigma fp Screen and ViewFinder

Olympus E-M5 III vs Sigma fp Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Olympus E-M5 III
Portrait photography with Sigma fp
76
manual focus
decent MP (20MP)
decent sensor size (Four Thirds)
offers face detection focusing
supports RAW files
85
manual focus
resolution is fantastic (25MP)
sensor size is great (Full frame)
provides face detect autofocus
supports RAW files
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Street Comparison

Olympus E-M5 III as a Street photography camera
Sigma fp as a Street photography camera
83
screen articulates fully
has image stabilization (Sensor based 5-axis)
decent sensor size (Four Thirds)
supports RAW files
comes with focus via touch
environment sealing
great high ISO (25,600)
77
sensor size is great (Full frame)
supports RAW files
supports touch to focus
weather proof
great ISO range (25,600)
no articulating screen
no image stabilization
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Sports Comparison

Olympus E-M5 III Sports photography info
Sigma fp Sports photography info
75
high shutter speed (1/8,000 seconds)
silent mode (1/32,000 seconds)
max fps high (30.0 fps)
has image stabilization (Sensor based 5-axis)
decent MP (20MP)
decent sensor size (Four Thirds)
offers tracking autofocus
environment sealing
comes with phase detect AF
low battery pack (310 per charge)
73
max shutter speed is good (1/8,000 seconds)
resolution is fantastic (25 megapixels)
sensor size is great (Full frame)
provides tracking focus
weather proof
no image stabilization
lack of phase detect autofocus
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Travel Comparison

Olympus E-M5 III Travel photography highlights
Sigma fp Travel photography highlights
77
environment sealing
has bluetooth
comes with focus via touch
decent MP (20 megapixels)
selfie friendly display
low battery pack (310 CIPA)
78
weather proof
supports touch to focus
resolution is fantastic (25MP)
display isn't selfie friendly
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Landscape Comparison

Olympus E-M5 III Landscape photography highlights
Sigma fp Landscape photography highlights
77
manual focus
swap lenses (Micro Four Thirds mount)
pretty good screen size (3 inch)
has image stabilization (Sensor based 5-axis)
decent MP (20 megapixels)
decent sensor size (Four Thirds)
great high ISO (25,600)
supports RAW files
environment sealing
low battery pack (310 shots)
82
manual focus
switch lenses (Leica L mount)
screen size is good (3.2")
resolution is fantastic (25 megapixels)
sensor size is great (Full frame)
great ISO range (25,600)
supports RAW files
weather proof
no image stabilization
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Vlogging Comparison

Olympus E-M5 III as a Vlogging camera
Sigma fp as a Vlogging camera
84
selfie friendly display
touch screen
has image stabilization (Sensor based 5-axis)
offers face detection focusing
video resolution high (4096 x 2160 pixels)
does have external microphone support
37
touchscreen enabled
provides face detect autofocus
video resolution high (3840 x 2160 pixels)
comes with microphone support
display isn't selfie friendly
no image stabilization
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Olympus E-M5 III vs Sigma fp Specifications

Detailed spec comparison table for Olympus E-M5 III and Sigma fp
 Olympus OM-D E-M5 IIISigma fp
General Information
Make Olympus Sigma
Model Olympus OM-D E-M5 III Sigma fp
Class Advanced Mirrorless Advanced Mirrorless
Launched 2019-10-17 2019-07-11
Physical type SLR-style mirrorless Rangefinder-style mirrorless
Sensor Information
Processor TruePic VIII -
Sensor type MOS BSI-CMOS
Sensor size Four Thirds Full frame
Sensor measurements 17.4 x 13mm 35.9 x 23.9mm
Sensor surface area 226.2mm² 858.0mm²
Sensor resolution 20MP 25MP
Anti aliasing filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 1:1, 4:3, 3:2 and 16:9
Highest Possible resolution 5184 x 3888 6000 x 4000
Maximum native ISO 25600 25600
Maximum enhanced ISO - 102400
Min native ISO 200 100
RAW photos
Min enhanced ISO 64 6
Autofocusing
Focus manually
Touch focus
AF continuous
Single AF
Tracking AF
AF selectice
AF center weighted
Multi area AF
Live view AF
Face detect focusing
Contract detect focusing
Phase detect focusing
Number of focus points 121 49
Lens
Lens mount Micro Four Thirds Leica L
Available lenses 107 30
Crop factor 2.1 1
Screen
Display type Fully Articulated Fixed Type
Display sizing 3" 3.2"
Resolution of display 1,040k dots 2,100k dots
Selfie friendly
Liveview
Touch functionality
Viewfinder Information
Viewfinder Electronic None
Viewfinder resolution 2,360k dots -
Viewfinder coverage 100 percent -
Viewfinder magnification 0.68x -
Features
Min shutter speed 60s 30s
Max shutter speed 1/8000s 1/8000s
Max quiet shutter speed 1/32000s -
Continuous shutter rate 30.0 frames per sec 12.0 frames per sec
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Change WB
Image stabilization
Integrated flash
Flash range no built-in flash no built-in flash
Flash settings Auto, redeye, fill, off, redeye slow sync, slow sync, 2nd-curtain slow sync, manual no built-in flash
External flash
Auto exposure bracketing
WB bracketing
Max flash synchronize 1/250s -
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions 4096 x 2160 @ 24p / 237 Mbps, MOV, H.264, Linear PCM 3840 x 2160 @ 30p, MOV, H.264, Linear PCM
Maximum video resolution 4096x2160 3840x2160
Video data format MPEG-4, H.264 MPEG-4, H.264
Microphone support
Headphone support
Connectivity
Wireless Built-In No
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) Yes
GPS None None
Physical
Environment sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 414 grams (0.91 pounds) 422 grams (0.93 pounds)
Physical dimensions 125 x 85 x 50mm (4.9" x 3.3" x 2.0") 113 x 70 x 45mm (4.4" x 2.8" x 1.8")
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 BP-51
Self timer Yes (2 or 10 secs, custom) Yes (2 or 10 wec)
Time lapse shooting
Type of storage SD/SDHC/SDXC (UHS-II supported) SD/SDHC/SDXC (UHS-II supported)
Card slots 1 1
Retail pricing $1,199 $2,050