Drum Lenses D=4.00mm F=3.67mm VIS H-K9L optical glass | GU OPTICS
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Drum Lenses D=4.00mm F=3.67mm VIS H-K9L optical glass

Drum Lenses D=4.00mm F=3.67mm VIS H-K9L optical glass

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Product No. 165008

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Dia 4.00mm
EFL 3.67mm
Coating AR@400~700nm
Material H-K9L optical glass
BFL 1.17mm
CT 5.00mm
Design Wavelength 587.6nm
Diameter Tolerance +0.0/- 0.05mm
Center Thickness Tolerance ±0.005mm
Surface Accuracy λ/4 @632.8nm
Surface Quality 40/20-60/40
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Drum lenses are spherical at both ends, which can provide a position surface along the optical axis. Ball lenses are formed by grinding an outer circle on a ball lens in order to mount conveniently. These are ideal for optical transmission in fiber communication applications
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