Comparison of the Olympus OM-D E-M1 Mark III and the Canon EOS R7
Olympus OM-D E-M1 Mark III
85 points
Canon EOS R7
82 points
Olympus OM-D E-M1 Mark III
91 mm
134 mm
BODY
Canon EOS R7
90 mm
132 mm
2020
YEARYear of announcement
2022
Magnesium alloy
BODY MATERIAL
Magnesium alloy
Weather
sealed
sealed
WEATHER SEALING
Weathersealed
Micro Four Thirds
LENS MOUNT
Canon RF
400 000 cycles
SHUTTER LIFEThe shutter durability as rated by the manufacturer.
n/a
580 g
1.28 lb
1.28 lb
134 x 91 x 69 mm
5.3 x 3.6 x 2.7 in.
5.3 x 3.6 x 2.7 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
132 x 90 x 92 mm
5.2 x 3.5 x 3.6 in.
5.2 x 3.5 x 3.6 in.
612 g
1.35 lb
1.35 lb
Olympus OM-D E-M1 Mark III
Canon EOS R7
20.4 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.
32.5 MP
CMOS APS-C Sensor
20.4 MP
EFFECTIVE MEGAPIX The number of effective megapixels (MP).
32.5 MP
17.4 x 13.0 mm
SENSOR SIZE
22.3 x 14.8 mm
5184 x 3888 pixels
MAX. RESOLUTIONMaximum still image resolution
MAX. RESOLUT.Maximum still image resolution
6960 x 4640 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)
1.6x
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.
3.2 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-M1 Mark III
DXOMARK
SENSOR
SCOREAnalysis of the camera image quality by dxomark.comCanon EOS R7
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-M1 Mark III
Canon EOS R7
COVERAGE:
100 %
100 %
REAL SIZE:
0.74
0.74
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:
0.72
0.72
Electronic
(2 359 296 dot OLED)
(2 359 296 dot OLED)
VF TYPE
Electronic
(2 359 296 dot OLED)
(2 359 296 dot OLED)
Articulated
1 036 800 dot LCD
1 036 800 dot LCD
REAR SCREEN
Articulated
1 620 000 dot LCD
1 620 000 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-M1 Mark III
Canon EOS R7
Hybrid detection with Focus Bracketing and Focus Stacking
AUTOFOCUS SYSTEM
AF SYSTEM
On-chip phase detection using the dual pixel imaging sensor
Dual FAST AF
AUTOFOCUS MODULE
AF MODULE
Dual Pixel CMOS AF II
121 (phase)
121 (contrast)
121
(phase) 121
(contrast)
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
5915
5915
121
CROSS-TYPE FOCUS POINTS
CROSS-TYPE FP
0
-6
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.-5
63 %
AF COVERAGEFrame coverage by AF sensors in percent.
90 %
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.
Sensor shift
Olympus OM-D E-M1 Mark III
Canon EOS R7
TruePic IX
IMAGE
PROCESSOR
PROCESSOR
DIGIC X
12 bit RAW, JPEG
OUTPUT FORMATS
14 bit RAW, 10 bit HEIF, JPEG
Auto, 200 - 25600
(can be extended to ISO 64)
(can be extended to ISO 64)
ISO SENSITIVITY
Auto, 100 - 32000
(can be extended to ISO 51200)
(can be extended to ISO 51200)
15
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.
15
fps
fps
134 JPEG shots
101 RAW shots
101 RAW shots
MAX. BURSTMaximum number of shots in high-speed continuous drive mode until the buffer is full.
184 JPEG shots
46 RAW shots
46 RAW shots
2160p @ 30 fps (4K)
MAX. VIDEO RESOLUTION
VIDEO
2160p @ 30 fps (4K)
-5/+5 EV (in 1/3, 1/2 or 1 EV steps)
EXPOSURE COMPENSATION
EXPOSURE COMPENS.
-3/+3 EV (in 1/3 or 1/2 EV steps)
Bulb,
60 sec → 1/8000 sec
60 sec → 1/8000 sec
SHUTTER SPEED Maximum and minimum possible exposure time in seconds.
Bulb,
30 sec → 1/8000 sec
30 sec → 1/8000 sec
Olympus OM-D E-M1 Mark III
Canon EOS R7
X-SYNC:
1/250
No
built-in
flash
built-in
flash
No
flash
BUILT-IN FLASH
No
built-in
flash
built-in
flash
No
flash
X-SYNC:
1/250
Yes
HOT SHOE
Yes
USB 3.0 (5 Gbit/sec)
USB
USB 3.2 (10 Gbit/sec)
Microphone port, Headphone port, HDMI
CONNECTIONS
CONNECT.
Microphone port, Headphone port, HDMI
BUILT-IN
DEVICES
DEVICES
SD, SDHC, SDXC (Slot 1: UHS-I/II, Slot 2: UHS-I)
STORAGE TYPES
SD, SDHC, SDXC (UHS-I/II compatible)
2
CARD SLOTS
2
420
shots
shots
BATTERY LIFEMaximum number of images that can be shot per single battery charge (according to CIPA).
380
shots
shots
