camera
The Italian 'macchina fotografica' directly translates to 'photographic machine', but is commonly used as the term for 'camera'. It is especially used in the context of photography. For example, you could tell someone that you bought a new camera by saying 'Ho comprato una nuova macchina fotografica.'
I carry my camera every time I go on vacation.
This sentence explains a habitual action using the present tense. The speaker always brings their camera when they go on vacation.
My grandmother's camera is very old but still works well.
This sentence describes an object using present tense. It emphasizes the age of the camera and the fact it is still functioning despite its age.
Have you seen my camera? I can't find it.
This sentence is made up of two related questions connected by the idea of the speaker's lost camera. The first question is using past tense and the second is in present tense.