1825
Table of Contents > Health Dictionary > Zoom

Zoom

The action of a varifocal lens system in a camera or microscope that maintains an object in focus while approaching it or receding from it; this effect may be obtained by moving two or more of the lens components at rates bearing a linear relation to one another.
Healthy Living Marketplace
Now Food
Wakunaga of America
Natural Vitality
Solgar
Renew Life
Carlson Labs