Body and design
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Body and design

It is clear that Nikon has made every effort not to alienate its existing DSLR userbase with the Z7, even down to the battery that the new camera uses. The Z7 ships with an EN-EL15b battery, which is the same basic shape as the EN-EL15a that's used in the D850 and D7500. As such, the same batteries can be swapped between all three cameras (and any other EN-EL15-compatible DSLR) although in-camera USB charging is only available with the new EN-EL15b.

To make it easier to tell between the batteries, the 'b' version is more angular than the previous versions. The general rule is that the 'a' and 'b' versions, with grey cases will work well in the the recent cameras, but the original version in the black case may not.

The Z7's CIPA rating is a middling 330 shots per charge, but as usual this is likely to prove extremely conservative in normal use. On a recent video shoot, we managed more than 1600 images and several 4K video clips on the Z7 with a single EN-EL15b before the battery started blinking red, so it'll depend to a large extent on how you shoot.