Canon EOS M10 Flash

Built-in Flash Test Results

Coverage, Exposure and Range
A weak flash with extremely narrow coverage. Above average exposure compensation required.

15mm (24mm eq.)

Coverage. Coverage from the EOS M10's built-in flash is very narrow at wide angle (24mm equivalent), leaving corners and edges in our flash test image very dim. Some of the corner fall-off is from the lens itself, though. We no longer test coverage at telephoto, as wide angle is always worst-case.

Normal Flash
+1.0 EV, Auto ISO (800)

Exposure. Indoors, under incandescent background lighting, the Canon EOS M10 boosted sensitivity to ISO 800 and yet still required +1.0 EV positive exposure compensation for a bright image, indicating a weak flash. The camera chose a fairly typical 1/60s shutter speed which should be fast enough to avoid subject motion blur in most portraits.

Manufacturer-Specified Flash Range

4.7 feet
f/3.5, ISO 100

Manufacturer Specified Flash Range Test. The Canon EOS M10's built-in flash has a rated Guide Number of only 5 meters or 16.4 feet at ISO 100. That works out to a distance of about 4.7 feet at f/3.5 at ISO 100. In the shot above, we can see that the Canon EOS M10's built-in flash performed to specification, producing a well-exposed target in the center at the rated distance and aperture, though the very narrow coverage makes the test image look dim overall.


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