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Location: Main > Optical Lenses > Spherical Bi Concave Lenses
 
Bi-Concave Lenses(Uncoated)
P/N:POL-UVFS-BCV Series
Introduction:UV-grade fused silica offers high transmission in the deep UV and extremely low fluorescence levels compared to natural quartz, making it an ideal choice for applications from the UV to the near IR. In addition, UV fused silica has better homogeneity and a lower coefficient of thermal expansion than BK7.
Bi-concave lenses have negative focal lengths and are often used to increase the divergance of a converging beam.
P/N Keywords Unit Price Available Generate Quotation
POL-UVFS-BCV-25.4-25 Dia25.4mm,UVFS,EFL-25mm,Bi-Concave,Uncoated S$140.00/pc In stock Add to Request List
POL-UVFS-BCV-25.4-35 Dia25.4mm,UVFS,EFL-35mm,Bi-Concave,Uncoated S$130.00/pc In stock Add to Request List
POL-UVFS-BCV-25.4-50 Dia25.4mm,UVFS,EFL-50mm,Bi-Concave,Uncoated S$130.00/pc In stock Add to Request List
POL-UVFS-BCV-25.4-100 Dia25.4mm,UVFS,EFL-100mm,Bi-Concave,Uncoated S$130.00/pc In stock Add to Request List
POL-UVFS-BCV-25.4-500 Dia25.4mm,UVFS,EFL-500mm,Bi-Concave,Uncoated S$120.00/pc In stock Add to Request List
POL-UVFS-BCV-25.4-1000 Dia25.4mm,UVFS,EFL-1000mm,Bi-Concave,Uncoated S$135.00/pc In stock Add to Request List
 
 
Laser Line Bi-Concave Lenses(DAR Coated)
P/N:POL-BK7-BCV-DAR785-12.7 Series
Introduction:Bi-Concave lenses have a negative focal length and are best used to diverge a converging beam. Similar to a Plano-Concave lens, a Bi-Concave lens can diverge a collimated beam to a virtual focus as used in a Galilean type beam expander.
But it is usually preferrable to choose a bi-concave lens if the absolute conjugate ratio (object distance divided by image distance) is close to 1. When the desired absolute magnification is either less than 0.2 or greater than 5, the tendency is to choose a plano-concave lens instead.
P/N Keywords Unit Price Available Generate Quotation
POL-BK7-BCV-DAR785-0120-12 Dia12.0mm,BK7,EFL-12mm,Bi-Concave,AR/AR@785nm S$110.00/pc In stock Add to Request List
POL-UVFS-BCV-AR1060-0200-48.5 Dia20.0mm,UVFS,EFL-48.5mm,Bi-Concave,AR1060-1070nm S$340.00/pc In stock Add to Request List
 
 
DIA25.4mm BK7 Bi-Concave Lens DAR@400-700nm
P/N:POL-BK7-BCV-A-25.4 Series
Introduction:BK7 Optical Glass Lenses, Bi-Concave Design
Diameter 1-inch, AR Coated at 400-700nm
P/N Keywords Unit Price Available Generate Quotation
POL-BK7-BCV-A-25.4-25 Dia25.4mm,BK7,EFL-25mm,BCV,AR/AR@400-750nm S$90.00/pc In stock Add to Request List
POL-BK7-BCV-A-25.4-35 Dia25.4mm,BK7,EFL-35mm,BCV,AR/AR@400-750nm S$85.00/pc In stock Add to Request List
POL-BK7-BCV-A-25.4-50 Dia25.4mm,BK7,EFL-50mm,BCV,AR/AR@400-750nm S$80.00/pc In stock Add to Request List
POL-BK7-BCV-A-25.4-75 Dia25.4mm,BK7,EFL-75mm,BCV,AR/AR@400-750nm S$80.00/pc In stock Add to Request List
POL-BK7-BCV-A-25.4-100 Dia25.4mm,BK7,EFL-100mm,BCV,AR/AR@400-750nm S$80.00/pc In stock Add to Request List
POL-BK7-BCV-A-25.4-125 Dia25.4mm,BK7,EFL-125mm,BCV,AR/AR@400-750nm S$80.00/pc In stock Add to Request List
POL-BK7-BCV-A-25.4-150 Dia25.4mm,BK7,EFL-150mm,BCV,AR/AR@400-750nm S$80.00/pc In stock Add to Request List
POL-BK7-BCV-A-25.4-175 Dia25.4mm,BK7,EFL-175mm,BCV,AR/AR@400-750nm S$80.00/pc In stock Add to Request List
POL-BK7-BCV-A-25.4-200 Dia25.4mm,BK7,EFL-200mm,BCV,AR/AR@400-750nm S$80.00/pc In stock Add to Request List
POL-BK7-BCV-A-25.4-250 Dia25.4mm,BK7,EFL-250mm,BCV,AR/AR@400-750nm S$80.00/pc In stock Add to Request List
POL-BK7-BCV-A-25.4-300 Dia25.4mm,BK7,EFL-300mm,BCV,AR/AR@400-750nm S$80.00/pc In stock Add to Request List
POL-BK7-BCV-A-25.4-400 Dia25.4mm,BK7,EFL-400mm,BCV,AR/AR@400-750nm S$80.00/pc In stock Add to Request List
POL-BK7-BCV-A-25.4-500 Dia25.4mm,BK7,EFL-500mm,BCV,AR/AR@400-750nm S$80.00/pc In stock Add to Request List
POL-BK7-BCV-A-25.4-750 Dia25.4mm,BK7,EFL-750mm,BCV,AR/AR@400-750nm S$80.00/pc In stock Add to Request List
POL-BK7-BCV-A-25.4-1000 Dia25.4mm,BK7,EFL-1000mm,BCV,AR/AR@400-750nm S$80.00/pc In stock Add to Request List
 
 
DIA12.7mm BK7 Bi-Concave Lenses AR@600-1100nm
P/N:POL-BK7-BCV-B-12.7 Series
Introduction:Bi-Concave lenses have a negative focal length and are best used to diverge a converging beam. Similar to a Plano-Concave lens, a Bi-Concave lens can diverge a collimated beam to a virtual focus as used in a Galilean type beam expander.
But it is usually preferrable to choose a bi-concave lens if the absolute conjugate ratio (object distance divided by image distance) is close to 1. When the desired absolute magnification is either less than 0.2 or greater than 5, the tendency is to choose a plano-concave lens instead.
P/N Keywords Unit Price Available Generate Quotation
POL-BK7-BCV-B-12.7-15 Focal Length -15mm S$60.00/pc In stock Add to Request List
 
 
DIA25.4mm BK7 Bi-Concave Lenses AR@600-1100nm
P/N:POL-BK7-BCV-B-25.4 Series
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
P/N Keywords Unit Price Available Generate Quotation
POL-BK7-BCV-B-25.4-25 Dia25.4mm,BK7,Focal Length-25mm,AR@600-1100nm S$65.00/pc In stock Add to Request List
POL-BK7-BCV-B-25.4-35 Dia25.4mm,BK7,Focal Length-35mm,AR@600-1100nm S$65.00/pc In stock Add to Request List
POL-BK7-BCV-B-25.4-50 Dia25.4mm,BK7,Focal Length-50mm,AR@600-1100nm S$65.00/pc In stock Add to Request List
POL-BK7-BCV-B-25.4-75 Dia25.4mm,BK7,Focal Length-75mm,AR@600-1100nm S$65.00/pc In stock Add to Request List
POL-BK7-BCV-B-25.4-100 Dia25.4mm,BK7,Focal Length-100mm,AR@600-1100nm S$65.00/pc In stock Add to Request List
POL-BK7-BCV-B-25.4-125 Dia25.4mm,BK7,Focal Length-125mm,AR@600-1100nm S$65.00/pc In stock Add to Request List
POL-BK7-BCV-B-25.4-150 Dia25.4mm,BK7,Focal Length-150mm,AR@600-1100nm S$60.00/pc In stock Add to Request List
POL-BK7-BCV-B-25.4-175 Dia25.4mm,BK7,Focal Length-175mm,AR@600-1100nm S$65.00/pc In stock Add to Request List
POL-BK7-BCV-B-25.4-200 Dia25.4mm,BK7,Focal Length-200mm,AR@600-1100nm S$65.00/pc In stock Add to Request List
POL-BK7-BCV-B-25.4-250 Dia25.4mm,BK7,Focal Length-250mm,AR@600-1100nm S$65.00/pc In stock Add to Request List
POL-BK7-BCV-B-25.4-300 Dia25.4mm,BK7,Focal Length-300mm,AR@600-1100nm S$65.00/pc In stock Add to Request List
POL-BK7-BCV-B-25.4-400 Dia25.4mm,BK7,Focal Length-400mm,AR@600-1100nm S$65.00/pc In stock Add to Request List
POL-BK7-BCV-B-25.4-500 Dia25.4mm,BK7,Focal Length-500mm,AR@600-1100nm S$65.00/pc In stock Add to Request List
POL-BK7-BCV-B-25.4-750 Dia25.4mm,BK7,Focal Length-750mm,AR@600-1100nm S$65.00/pc In stock Add to Request List
POL-BK7-BCV-B-25.4-1000 Dia25.4mm,BK7,Focal Length-1000mm,AR@600-1100nm S$65.00/pc In stock Add to Request List
 
 
Biconcave Lenses DAR@1510-1610nm
P/N:POL-BCV Series
Introduction:Bi-Concave lenses have a negative focal length and are best used to diverge a converging beam. Similar to a Plano-Concave lens, a Bi-Concave lens can diverge a collimated beam to a virtual focus as used in a Galilean type beam expander.
But it is usually preferrable to choose a bi-concave lens if the absolute conjugate ratio (object distance divided by image distance) is close to 1. When the desired absolute magnification is either less than 0.2 or greater than 5, the tendency is to choose a plano-concave lens instead.
P/N Keywords Unit Price Available Generate Quotation
POL-BCV-9-4-F8.2 Dia9.0xTe4.0mm,NBAK4,f-8.2mm,AR@1510-1610nm S$90.00/pc In stock Add to Request List
 
 
BK7 Bi-Concave Lenses(SAR MgF2)
P/N:POL-BK7-BCV-50.8 Series
Introduction:Bi-Concave lenses have a negative focal length and are best used to diverge a converging beam. Similar to a Plano-Concave lens, a Bi-Concave lens can diverge a collimated beam to a virtual focus as used in a Galilean type beam expander.
But it is usually preferrable to choose a bi-concave lens if the absolute conjugate ratio (object distance divided by image distance) is close to 1. When the desired absolute magnification is either less than 0.2 or greater than 5, the tendency is to choose a plano-concave lens instead.
P/N Keywords Unit Price Available Generate Quotation
POL-BK7-BCV-50.8-250-SAR Dia50.8mm,BK7,Bi-concave,EFL-250mm,SAR MgF2 S$120.00/pc In stock Add to Request List
POL-BK7-BCV-50.8-400-SAR Dia50.8mm,BK7,Bi-concave,EFL-400mm,SAR MgF2 S$120.00/pc In stock Add to Request List
POL-BK7-BCV-50.8-500-SAR Dia50.8mm,BK7,Bi-concave,EFL-500mm,SAR MgF2 S$120.00/pc In stock Add to Request List
 
Name: DIA25.4mm BK7 Bi-Concave Lens Kit(400-750nm)
P/N: POLK-BK7-BCV-A-25
Keywords:Dia25.4mm,BK7,AR@400-750nm,15 types/kit
Unit Price: S$1,050.00/set
Store: In stock
Request: Add to Request List
Introduction:Diameter 1-inch BK7 Double-Concave Lens
With double-side AR Coating at 400-700nm
Total 15-Type Focal-Length Per Kit
-25mm, -35mm, -50mm, -75mm, -100mm, -125mm, -150mm, -175mm
-200mm, -250mm, -300mm, -400mm, -500mm, -750mm, -1000mm
View Detailed Information
Name: DIA25.4mm BK7 Bi-Concave Lens Kit(600-1100nm)
P/N: POLK-BK7-BCV-B-25.4
Keywords:Dia25.4mm,BK7,AR@600-1100nm,15 types/kit
Unit Price: S$1,090.00/set
Store: In stock
Request: Add to Request List
Introduction:Diameter 1-inch BK7 Double-Concave Lens
With double-side AR Coating at 600-1100nm
Total 15-Type Focal-Length Per Kit
-25mm, -35mm, -50mm, -75mm, -100mm, -125mm, -150mm, -175mm
-200mm, -250mm, -300mm, -400mm, -500mm, -750mm, -1000mm
View Detailed Information
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