Comparison of the Olympus OM-D E-M10 Mark IV and the Sony Alpha a6100
Olympus OM-D E-M10 Mark IV
63 points
Sony Alpha a6100
65 points
Olympus OM-D E-M10 Mark IV
85 mm
122 mm
BODY
Sony Alpha a6100
67 mm
120 mm
2020
YEARYear of announcement
2019
Metal with plastic
BODY MATERIAL
Plastic
Not
weather
sealed
weather
sealed
WEATHER SEALING
Notweather
sealed
Micro Four Thirds
LENS MOUNT
Sony E
n/a
SHUTTER LIFEThe shutter durability as rated by the manufacturer.
n/a
383 g
0.84 lb
0.84 lb
122 x 85 x 49 mm
4.8 x 3.3 x 1.9 in.
4.8 x 3.3 x 1.9 in.
DIMENSIONS
& WEIGHTLength x Height x Width and the Weight incl. batteries and memory card
& WEIGHTLength x Height x Width and the Weight incl. batteries and memory card
DIMENS.
& WEIGHTLength x Height x Width and the Weight incl. batteries and memory card
& WEIGHTLength x Height x Width and the Weight incl. batteries and memory card
120 x 67 x 59 mm
4.7 x 2.6 x 2.3 in.
4.7 x 2.6 x 2.3 in.
396 g
0.87 lb
0.87 lb
Olympus OM-D E-M10 Mark IV
Sony Alpha a6100
20.3 MP
NMOS Four Thirds Sensor
SENSOR The number of effective megapixels (MP). Sensor manufacturer (if known) and sensor type.
SENSOR Sensor manufacturer (if known) and sensor type.
24.2 MP
Sony Exmor CMOS APS-C Sensor
20.3 MP
EFFECTIVE MEGAPIX The number of effective megapixels (MP).
24.2 MP
17.3 x 13.0 mm
SENSOR SIZE
23.5 x 15.6 mm
5184 x 3888 pixels
MAX. RESOLUTIONMaximum still image resolution
MAX. RESOLUT.Maximum still image resolution
6000 x 4000 pixels
2x
CROP FACTORA 50mm lens on a camera with a crop factor of 1.5x would behave like a 75mm lens on a full-frame camera with a crop factor of 1x (50mm x 1.5 = 75mm)
1.5x
Bayer array
COLOR FILTER
Bayer array
3.4 μm
PIXEL PITCHThe center-to-center distance between two pixels (photosites) on a sensor. The larger the photosites, the more light they can capture and the lower is the level of visible "noise" in captured images.
3.9 μm
None
LOW-PASS FILTERA low-pass filter blurs fine details of an image to eliminate the moiré and the color artifacts of finely patterned structures. Without a low-pass filter images will appear sharper, but there is also a risk of moiré occurring in certain scenes.
Fixed
4:3
NATIVE
ASPECT RATIOThe width to height ratio of the "straight out of the camera" images. However, most modern digital cameras are capable of producing images in various aspect ratios.
ASPECT RATIOThe width to height ratio of the "straight out of the camera" images. However, most modern digital cameras are capable of producing images in various aspect ratios.
ASPECT RATIOThe width to height ratio of the "straight out of the camera" images. However, most modern digital cameras are capable of producing images in various aspect ratios.
3:2
Olympus OM-D E-M10 Mark IV
DXOMARK
SENSOR
SCOREAnalysis of the camera image quality by dxomark.comSony Alpha a6100
Not tested
OVERALL SCOREDXOMARK Sensor Overall Score shows a camera's sensor quality in terms of noise, ability to render high contrast, formation of colored noise, ability to shoot in low light.
Not tested
Not tested
DYNAMIC RANGEThe maximum dynamic range performance (DXOMARK Landscape Score) in exposure value (EV)
Not tested
Not tested
LOW-LIGHT ISOThe low-light sensitivity performance (DXOMARK Sports Score) in ISO sensitivity value
Not tested
Olympus OM-D E-M10 Mark IV
Sony Alpha a6100
COVERAGE:
100 %
100 %
REAL SIZE:
0.62
0.62
VIEWFINDERThe viewfinder frame COVERAGE in percent and the real viewfinder SIZE (VF magnification corrected by the crop factor of a camera — this way cameras with different sensor sizes can be compared).
COVERAGE:
100 %
100 %
REAL SIZE:
0.70
0.70
Electronic
(2 359 296 dot OLED)
(2 359 296 dot OLED)
VF TYPE
Electronic
(1 440 000 dot OLED)
(1 440 000 dot OLED)
Articulated
1 036 800 dot LCD
1 036 800 dot LCD
REAR SCREEN
Articulated
921 600 dot LCD
921 600 dot LCD
3 inch
SCREEN SIZE
3 inch
LIVE VIEW & TOUCH SCREEN
No top LCD panel
TOP LCD PANELLCD panel on top of the camera which provides information about the current camera settings.
No top LCD panel
Olympus OM-D E-M10 Mark IV
Sony Alpha a6100
Contrast detection
AUTOFOCUS SYSTEM
AF SYSTEM
Hybrid detection
FAST AF
AUTOFOCUS MODULE
AF MODULE
Fast Hybrid AF
121
121
FOCUS POINTSAutofocus points
as shown in the figures below:
° linear sensors
° cross-type sensors
° dual cross-type sensors
contrast autofocus areas
as shown in the figures below:
° linear sensors
° cross-type sensors
° dual cross-type sensors
contrast autofocus areas
425 (phase)
425 (contrast)
425
(phase) 425
(contrast)0
CROSS-TYPE FOCUS POINTS
CROSS-TYPE FP
0
No data
EV
100
The minimum exposure value of the AF working range (at 23°C and ISO 100). The smaller this value, the less light is needed for normal autofocus operation.-2
63 %
AF COVERAGEFrame coverage by AF sensors in percent.
81 %
None
IN-BODY
AF MOTORAn in-body AF motor gives the ability to auto-focus with older lenses which don't have their own motors.
AF MOTORAn in-body AF motor gives the ability to auto-focus with older lenses which don't have their own motors.
None
5-axis sensor shift
IN-BODY IMAGE STABILIZATION
IMAGE STABILIZ.
No
Olympus OM-D E-M10 Mark IV
Sony Alpha a6100
Dual TruePic VIII
IMAGE
PROCESSOR
PROCESSOR
BIONZ X
12 bit RAW, JPEG
OUTPUT FORMATS
14 bit RAW, JPEG
Auto, 100 - 25600
ISO SENSITIVITY
Auto, 100 - 51200
8.7
fps
fps
CONTINUOUS DRIVEMaximum frames per second (fps) in continuous drive mode when using the mechanical shutter.
CONT. DRIVEMaximum frames per second (fps) in continuous drive mode when using the mechanical shutter.
11
fps
fps
Unlimited JPEG shots
42 RAW shots
42 RAW shots
MAX. BURSTMaximum number of shots in high-speed continuous drive mode until the buffer is full.
76 JPEG shots
33 RAW shots
33 RAW shots
2160p @ 30 fps (4K)
MAX. VIDEO RESOLUTION
VIDEO
2160p @ 30 fps (4K)
-5/+5 EV (in 1/3 EV steps)
EXPOSURE COMPENSATION
EXPOSURE COMPENS.
-5/+5 EV (in 1/3 or 1/2 EV steps)
Bulb,
60 sec → 1/4000 sec
60 sec → 1/4000 sec
SHUTTER SPEED Maximum and minimum possible exposure time in seconds.
Bulb,
30 sec → 1/4000 sec
30 sec → 1/4000 sec
Olympus OM-D E-M10 Mark IV
Sony Alpha a6100
X-SYNC:
1/250
GUIDE
NUMBER:
NUMBER:
GN:
6
BUILT-IN FLASH
GUIDE
NUMBER:
NUMBER:
GN:
6
X-SYNC:
1/160
Yes
HOT SHOE
Yes
USB 2.0 (480 Mbit/sec)
USB
USB 2.0 (480 Mbit/sec)
HDMI
CONNECTIONS
CONNECT.
Microphone port, HDMI
BUILT-IN
DEVICES
DEVICES
SD, SDHC, SDXC (UHS-I/II compatible)
STORAGE TYPES
SD, SDHC, SDXC (UHS-I compatible), Sony Memory Sticks
1
CARD SLOTS
1
360
shots
shots
BATTERY LIFEMaximum number of images that can be shot per single battery charge (according to CIPA).
380
shots
shots
