Commonly used for a periodical publication, similar to English 'magazine'.
毎月、ファッションマガジンを買っている。
I buy a fashion magazine every month.
Refers to the ammunition feeding device of a firearm.
その銃のマガジンには15発入る。
The magazine of that gun holds 15 rounds.
film cassette; film canister; camera magazine
Used in photography for a reloadable film container or a camera's film magazine.
古いカメラでは、フィルムをマガジンに装填する必要がある。
With old cameras, you need to load the film into a magazine.
I read a fashion magazine on the train.
He loaded the magazine into the gun.
I loaded a new film cassette into the camera.
An interview with that actor appeared in a popular magazine.
He swapped out the magazine between shots.