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its is a range from 10X to 40X magnification located on the nosepiece.
the Revolving Nosepice is use to switch beween the Objective lenses. you can simply go from Low power Objective to High power by rotating the nosepice
The revolving nosepiece, sometimes called a "turret," contains 2 or 3 different objective lenses, each of a higher magnification. This enables the user to examine the object on the slide at different magnifications.
Objective lenses are convex lenses.
who invented the bifocal lenses
nosepiece
They are called objective lenses.
its is a range from 10X to 40X magnification located on the nosepiece.
the revolving nosepiece
its is a range from 10X to 40X magnification located on the nosepiece.
Objective lenses
the nose-piece rotates the objective lenses
nosepiece
The nose piece holds the odjective lense, rotates, and notes the positive stops for each lens.
This is called the nosepiece.
To change the lenses, hold the nosepiece and pull the lower-inner corner of the lens (closest to the nostril).
movable nosepiece