hands lens or hand lens
because they do
When you look through a convex lens the image appears to be larger
yes it does it is like a situation where you look through glasses everything that you look through when you look through glass plastic etc it appears larger and closer
there is something in the telescope that helps things appear larger
Scroll down to related links and look at "Brightness - Wikipedia" and "Light intensity - Wikipedia".
It is a magnifying glass. A microscope is also used but is not technically hand-held and the majority of the time has more than one lens.
Magnifying glass
Hand lens
Hand lens.
That sounds like a magnifying glass.
magnifying glass
spy glass
Binocular
A Microscope.
yes
a magnifying glass?
No.