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Quick Microscope Education
Objective Lenses
These are the lower cylindrical lenses on a microscope that are closest to
the specimen being viewed. They can be added or removed by threading (by
hand) in or out of a revolving nosepiece. All of BestScopes.com's
nosepieces have room for four objectives! Objectives come in different
magnifications (powers) and actual lengths. Longer objectives have higher
power while shorter ones have lower power. All our scopes have color-coded
achromatic objectives for easy, quick identification! Our stereoscopes have
a matching pair of objectives (one for each eyepiece).
Magnification
If you multiply the power of the eyepiece lens (10x) by the power of the
objective lens (say 40x), you'll have what is called the magnification
(400x). In other words, your specimen will look 400 times larger than it
actually is. You'll notice that our basic compounds have magnifications of
40x, 100x, 400x, and some even have 1000x. If you want higher
magnifications, you'll want one of our Revelation
scopes. They each include an extra pair of 16x eyepieces which will increase
your magnification to 64x, 160x, 640x, and 1600x!
Next: Focus
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