With the lowest exposure value in the EOS R full-frame mirrorless range , the EOS R3 boasts a low luminance limit of up to EV -7.5 *, allowing for comfortable shooting even in dark challenging conditions , such as outdoors on a pitch-dark moonless night . The EVF automatically adjusts brightness of the image for a lighted simulation based on the camera ' s exposure settings . Imagine expanded possibilities when capturing wildlife in the dark .
Pitch-dark condition
EV -7.5 AF detection
* When using f / 1.2 lens under the following conditions : center focus point , room temperature , One-Shot AF , ISO 100 . This does not apply to RF lenses with DS ( Defocus Smoothing ) coating .