noun
mirrorless camera; mirrorless interchangeable-lens camera
Refers to a digital camera that lacks a reflex mirror, typically with interchangeable lenses. Often contrasted with 一眼レフカメラ (DSLR).
最近、ミラーレス一眼カメラを買いました。
I recently bought a mirrorless interchangeable-lens camera.
ミラーレス一眼カメラは一眼レフより軽いです。
Mirrorless cameras are lighter than DSLRs.