The Nikon Z 6 is the little sibling to the new mirrorless Z 7 -- but for some photographers, the cheaper Z 6 may be the better option. The Nikon Z 6 is a 24.5-megapixel full frame mirrorless with a snappy 12 fps max burst speed. See where the $2,000 camera beats the $3,400 model in our Nikon Z 6 review.