亚洲AV日韩AV永久在线观看,色欲色欲久久综合网,成人毛片无码一区二区三区,男人和女人做爽爽视频

PRODUCT
See More
Rod Lens

Product advantages

Consultation
Product Introduction

Technical Parameter
MaterialBK7
Diameter Tolerance+0/-0.05mm
Length Tolerance±0.2mm
Surface Quality60/40scratch and dig
Clear Aperture>90%
PolishCylindrical surface polished, end surface ground
CoatingNone, available
Standard Specification