Binocular
telescope
Eyeballs, mainly.
A telescope.
A microscope.
spectroscope
A telescope lets you see distant objects.
A microscope
The medical term for an instrument used to view small objects is "microscope." It is commonly used in various medical fields for examining cells, tissues, or microorganisms at a magnified level.
instrument used to view the eye
arthroscope
Black holes are distant objects found usually in the center of galaxies; therefore they are studied by astronomers, using telescopes, just as all astronomical objects are studied. Of course, black holes are studied indirectly. They do not emit radiation (or not enough radiation to view; there is Hawking radiation) but they have a strong effect on other nearby objects, which can be observed.
telescope
no they cannot
A microscope usually
A microscope is a scientific instrument which magnifies objects that are too small to be seen by the naked eye. Microscopes come in two varieties - electron microscope (EM) and light microscope (L.M). It uses combination of magnifying lenses with a rotator that can be used to adjust the item view option.
A microscope.
To view things from far away is called a binocular