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Location: Main > Optical Lenses > Spherical Bi Concave Lenses > POL-BK7-BCV-B-25.4-25
Name: DIA25.4mm BK7 Bi-Concave Lens f-25mm(600-1100nm)
P/N: POL-BK7-BCV-B-25.4-25
Keywords:Dia25.4mm,BK7,Focal Length-25mm,AR@600-1100nm
Unit Price: S$65.00/pc
Available: In stock
Request: Add to Request List
Introduction:
Bi-Concave lenses have a negative focal length and are best used to diverge a converging beam.
BK7 Optical Glass Lenses, Bi-Concave Design
Diameter 1-inch, AR Coated at 600-1100nm

Material: BK7 optical glass
Wavelength Range: 350nm-2.0um
Design Wavelength: 633nm (n=1.515082), bi-concave
Diameter: 25.4,+0.0/-0.1mm
Effective Focal Length: -25mm (+/-1%)
Surface Quality: 40/20 scratch and dig
Centration: <=3 arc min
Clear Aperture: >90%
Coating(Both Surfaces): AR coated at 600-1100nm,R<0.5% max