Canon EOS M3 Detailed Review

Canon EOS M3

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In additional EOS M3 was introduced by Canon in April 2015. It belongs to the Mirrorless Cameras category.

Canon is well-known and shouldn’t require further introduction, please see our manufacturer’s page for more digital cameras by Canon.

Brand Canon
Category Mirrorless
Date 04/2015
Sensor Properties

Also EOS M3 has a APS-C CMOS sensor with size of 22 x 15 mm² (0.88″ x 0.59″).

Picture of EOS M3’s sensor compared to popular format.

Infographic: EOS M3 comparing sensor sizes

The 1-Euro coin has a diameter of 23.25mm.

The EOS M3’s sensor has resolution of 24 megapixel.

The EOS M3 features a mechanism for automatic sensor cleaning.

Format APS-C
Sensor area 22.30 x 14.90mm²
(0.88″ x 0.59″)
Resolution (physical) 25.80 megapixel
Resolution (effective) 24.40 megapixel
Pixel size 13.80 µm²
Sensor cleaning
RAW support
Continuous 4 frames/second
Interchangeable lens
Mount Canon EF-M
Viewfinder Properties

The EOS M3 does not come with a built-in viewfinder. The camera’s display is used to compose the photo. That can be cumbersome in broad daylight.


The EOS M3’s shutter speed varies from 1/4000s to 30s.

Max. shutter speed 1/4000s
Min. shutter speed 30s
Sensitivity Properties

The EOS M3’s sensitivity is from 100 ISO and 12800 ISO.

Also, Canon’s sensitivity can be boosted to 25600. Therefore, ISO boosting will lead to growth noise.

Min. sensitivity 100 ISO
Max. sensitivity 12800 ISO
Boost 25600 ISO
Exposure Modes

The EOS M3 supports all general exposure modes.

The Canon allows spot exposure for the difficult occasion.

Auto Focus Properties

The EOS M3’s auto focus processor uses 49 AF points (or sensors). A basic rule of thumb says that the more AF points you have, the better. More AF points mean a better chance to have a point at the location of interest in a scene, a big plus in challenging situations (e.g. when panning the camera).

Manual focus is also possible with the Canon, a plus in tricky situations or for some creative freedom.

Type Phase Detection
AF points 49
Manual focusing
Flash Specs

The EOS M3 has a built-in flash with a diapason of up to 5m (17 ft.). That range will fit for almost all occasion.

Range 5.00m
(17 ft.)
Hot shoe
Display Specs
EOS M3 display and touch screen

The EOS M3 display has a diagonal of 75.00mm (3.0 inches.) and a resolution 1.04 megapixel.

The camera display is intended for selfies or other occasion.

Display parameters:

Type LCD
Size 75.00mm (diagonal)
(3.0 in.)
Resolution 1.04 megapixel
Touch screen
Video Specs

EOS M3 video supported the resolution with 1920 x 1080 pixel.

Also the camera is equipped with an external microphone.

Canon EOS M3 Video parameters:

Max. resolution 1920 x 1080 pixel
…with frame rates 24 frames/second
25 frames/second
30 frames/second
External microphone
Connectivity & Wireless Specs

The EOS M3 has Wifi connectivity already built-in. Use Wifi to transfer images to a smartphone or computer and to remote control the camera. With NFC, camera and smartphone can be paired without the need for passwords.

Connect the Canon to a monitor or TV set over HDMI.

The Canon supports USB 2.0.

Connection parameters:

Remote (wired)
Remote (infrared)
HDMI (standard)
HDMI (mini)
HDMI (micro)
USB 2.0
USB 3.0
USB Micro
USB Mini

The camera supports SD HC and SD XC cards.

Memory cards characteristics:

Slots 1
Memory cards SD

The Canon EOS M3 works with a LP-E17 LiIon battery. The battery lifetime is an average 250 shots. That’s on the lower side of things for a full day, consider a spare battery for the EOS M3.

The EOS M3’s battery battery parameters:

Type LP-E17 LiIon
In-camera charging
Battery life 250 photos

The Canon EOS M3’s size is 110.9 x 68 x 44.4mm³. (4.4″ x 2.7″ x 1.7″). That dimensions are without lens. The weight of camera is 4.4″ x 2.7″ x 1.7″ grams (366 oz.) without lens weight.

Here is front and top view of the EOS M3:

Canon EOS M3 Dimensions (Width / Height)
Canon EOS M3 Dimensions (Width / Depth)
Dimensions Comparison

To put the size of the camera in context, here it is next to a typical ID card (c. 86mm x 55mm, about the size of a credit card).

The EOS M3 is not much bigger:

Canon EOS M3 size comparison

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