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DSLR vs mirrorless cameras: How do they compare in 2019?

Mirrorless cameras vs DSLRs is still a hot topic, so what are the pros and cons of each type?

Even very basic DSLRs will happily offer 600 shots per charge of the battery, but many stretch into four figures. The entry-level Nikon D3500 DSLR, for example, can capture up to 1,550 images on a single charge. The very best DSLRs can rattle off almost 4000 frames per charge, although this is admittedly with considerably larger batteries.

Mirrorless cameras, however, fare far less impressively here, with around 350-400 frames per charge being the norm while some are a whole lot less. The Sony A7R III has an extended 650-shot battery life almost double that of its predecessors, so that’s a significant step forwards, but the new Canon EOS RP can only manage 250 shots. Battery life is an issue for mirrorless cameras, but why is this?

As impressive as the flagship Sony A9 is, its battery life of around 480 shots with the viewfinder and approximately 650 with the LCD is significantly lower than what a comparable DSLR offers 

First, mirrorless cameras are inherently more dependent on battery than DSLRs. Their LCD screens are typically on at all times, and when they’re not it’s the electronic viewfinders that are, and both of these need plenty of power. By contrast, optical viewfinders only need a modest amount for the various LED displays and overlays.

Furthermore, the fact that most manufacturers try to make mirrorless models as small as possible means that their batteries are also small, which also presents a limit on their capacity. Many mirrorless cameras also have image stabilisation built into their bodies, which further degrades battery life (although you’ll also notice battery life to be less impressive when using lens-based image stabilisation on either DSLR or mirrorless cameras).

Cameras like the Sony A6500 can have their batteries charged up through their USB ports

Of course, you can buy spare batteries for cameras in both camps, so whether this is as great an issue or not is debatable. One advantage of mirrorless cameras, however, is that many now offer charging through their USB ports, like the Sony A6400, which is very convenient when travelling.

Read more:

The best DSLR cameras in 2019
The best mirrorless cameras in 2019


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