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Description of Navitar 1 50993
The World’s First Parfocal Telecentric Zoom Lens
The Navitar 1-50993 12X Telecentric Zoom high-performance
zoom lens system allows users to reach a
true telecentric condition to within less than 0.3° while maintaining
constant perspective and magnification. This means that even if the object
is slightly out of focus, the size of the image will not change. The 1 50993
Telecentric lens provides field coverage from 50 mm down to 4 mm and the
coaxial illumination allows clear viewing, even when working with
mirror-like surfaces.
All 12X Zoom models have a parfocal lens system with a high N.A. (0.018 - 0.1) to achieve
higher resolution and improved contrast.
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