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Seiwa Long Working Distance objectives

 Posted on July 18, 2011

 

SEIWA Long Working Distance objectives are available for UV and visible range.
Bright field super-long working distance NUV objective lens with focal plane corrected for both Bright Field and Near UV (355nm), meaning both wavelengths will be in focus.
System is optimized for high transmission at 355nm, such that a microscope fitted with a YAG laser can be used for repair of semiconductor and LCD circuits.
Available for visible range is a set of objectives ranging from 2.5X to 100X with parameters similar to Mitutoyo objectives of same magnification.
Objectives listed here come without cover glass correction. But correction is an option for special applications, for example testing and repair of LCD panels.
Image at left shows 50X NUV objective.



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