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标题: 求购平凸透镜 [打印本页]

作者: 高科技 时间: 2008-11-27 10:28
标题: 求购平凸透镜
DESCRIPTION Collimating lens, Injection Molded Plastic Asphere, Unmounted
CONJUGATE DISTANCE Infinite
DESIGN WAVELENGTH (note 1) 780nm
FOCAL LENGTH 4.50mm
WORKING / SOURCE DISTANCE 1.90mm
NUMERICAL APERTURE 0.45
CLEAR APERTURE 4.05mm
F# 1.11
FIELD SIZE DIAMETER 0.050mm
AR COATING DESIGN CENTER, MgF2 780nm
TRANSMISSION >98%
COVER GLASS THICKNESS 1.25mm
COVER GLASS INDEX (n) 1.55
TEMPERATURE RANGE Storage Temp. -30ºC to +75ºC, Working Temp. -10ºC to +65ºC
LENS DIMENSIONS (diameter x length) Ø7.4mm x 3.55mm

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