1A single-lens reflex camera (SLR): a camera with a reflex mirror and optical viewfinder, typically allowing interchangeable lenses.
旅行には重いが画質が良いので一眼レフを持って行った。
It’s heavy for travel, but I took my SLR because the image quality is good.
初心者向けの一眼レフは操作も分かりやすい。
Entry-level SLRs are easy to operate for beginners.
彼は一眼レフで風景写真を撮るのが好きだ。
He likes taking landscape photos with his SLR.