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OPTICS / LENSES / Spherical Plano Convex Lenses / DIA25.4mm BK7 Plano-Convex Lens DAR@400-750nm
BK7 Optical Glass, Plano-Convex Design ; Diameter 1-inch, AR/AR coated at 400-750nm
BK7 features High Transmission (BK7 offers high linear optical transmission across the visible spectrum, approx. 380 nm to 700 nm) and Low Dispersion (BK7 has a relatively high Abbe number, around 64.17)

DIA25.4mm BK7 Plano-Convex Lens f+25mm (400-750nm)
P/N: POL-BK7-PCX-A-25.4-25
General Specifications
- Substrate Material: BK7 glass ; Wavelength Range 350nm-2.0um; 633nm (n=1.515082); Plano-convex configuration
- Outer Diameter: 25.4mm (+0.0/-0.1mm)
- Effective Focal Length(EFL): +25mm (+/-1%)
- Edge Thickness(Te): 1.8mm typ ;
Center Thickness(Tc): 11.7mm typ - ROC: R+13.10mm(convex surface)
- Centration: <=3 arc min
- Coating: AR/AR coated at 400-750nm,R<0.5% max on both surfaces
Pricing Overview (Excl. Taxes and Fees)
- Purchase Qty < 20pcs: S$80.00/pc
- Purchase Qty 20pcs or more: S$60.00/pc
- Purchase Qty 100pcs or more:
Inquire to us for volume pricing - Optional: SM1 Lens Mount (one set of SM1 lens tube will be included, c/w SM1 retaiing ring and black teflon washers 2pcs(t0.5mm)) – add S$10/pc

Stock Availability
- Local Singapore Warehouse: 328pcs
- New Batch Process Leadtime: Approx. 3-4weeks; EXW-SIN (T&C Apply)

DIA25.4mm BK7 Plano-Convex Lens f+35mm (400-750nm)
P/N: POL-BK7-PCX-A-25.4-35
General Specifications
- Substrate Material: BK7 glass ; Wavelength Range 350nm-2.0um; 633nm (n=1.515082); Plano-convex configuration
- Outer Diameter: 25.4mm (+0.0/-0.1mm)
- Effective Focal Length(EFL): +35mm (+/-1%)
- Edge Thickness(Te): 2.4mm (+/-0.1mm) ;
Center Thickness(Tc): 7.4mm (+/-0.1mm) - ROC: 18.0mm (+/-1%) (convex surface)
- Centration: <=3 arc min
- Coating: AR/AR coated at 400-750nm,R<0.5% max on both surfaces
Pricing Overview (Excl. Taxes and Fees)
- Purchase Qty < 20pcs: S$80.00/pc
- Purchase Qty 20pcs or more: S$65.00/pc
- Purchase Qty 100pcs or more:
Inquire to us for volume pricing - Optional: SM1 Lens Mount (one set of SM1 lens tube will be included, c/w SM1 retaiing ring and black teflon washers 2pcs(t0.5mm)) – add S$10/pc

Stock Availability
- Local Singapore Warehouse: 18pcs
- New Batch Process Leadtime: Approx. 3-4weeks; EXW-SIN (T&C Apply)

DIA25.4mm BK7 Plano-Convex Lens f+50mm (400-750nm)
P/N: POL-BK7-PCX-A-25.4-50
General Specifications
- Substrate Material: BK7 glass ; Wavelength Range 350nm-2.0um; 633nm (n=1.515082); Plano-convex configuration
- Outer Diameter: 25.4mm (+0.0/-0.1mm)
- Effective Focal Length(EFL): +50mm (+/-1%)
- Edge Thickness(Te): 2.4mm (+/-0.1mm) ;
Center Thickness(Tc): 5.5mm (+/-0.1mm) - ROC: 25.8mm (+/-1%) (convex surface)
- Centration: <=3 arc min
- Coating: AR/AR coated at 400-750nm,R<0.5% max on both surfaces
Pricing Overview (Excl. Taxes and Fees)
- Purchase Qty < 20pcs: S$70.00/pc
- Purchase Qty 20pcs or more: S$60.00/pc
- Purchase Qty 100pcs or more:
Inquire to us for volume pricing - Optional: SM1 Lens Mount (one set of SM1 lens tube will be included, c/w SM1 retaiing ring and black teflon washers 2pcs(t0.5mm)) – add S$10/pc

Stock Availability
- Local Singapore Warehouse: 24pcs
- New Batch Process Leadtime: Approx. 3-4weeks; EXW-SIN (T&C Apply)

DIA25.4mm BK7 Plano-Convex Lens f+75mm (400-750nm)
P/N: POL-BK7-PCX-A-25.4-75
General Specifications
- Substrate Material: BK7 glass ; Wavelength Range 350nm-2.0um; 633nm (n=1.515082); Plano-convex configuration
- Outer Diameter: 25.4mm (+0.0/-0.1mm)
- Effective Focal Length(EFL): +75mm (+/-1%)
- Edge Thickness(Te): 2.3mm (+/-0.1mm);
Center Thickness(Tc): 4.4mm (+/-0.1mm) - ROC: 38.6mm (+/-1%) (convex surface)
- Centration: <=3 arc min
- Coating: AR/AR coated at 400-750nm,R<0.5% max on both surfaces
Pricing Overview (Excl. Taxes and Fees)
- Purchase Qty < 20pcs: S$70.00/pc
- Purchase Qty 20pcs or more: S$60.00/pc
- Purchase Qty 100pcs or more:
Inquire to us for volume pricing - Optional: SM1 Lens Mount (one set of SM1 lens tube will be included, c/w SM1 retaiing ring and black teflon washers 2pcs(t0.5mm)) – add S$10/pc

Stock Availability
- Local Singapore Warehouse: 10pcs
- New Batch Process Leadtime: Approx. 3-4weeks; EXW-SIN (T&C Apply)

DIA25.4mm BK7 Plano-Convex Lens f+100mm (400-750nm)
P/N: POL-BK7-PCX-A-25.4-100
General Specifications
- Substrate Material: BK7 glass ; Wavelength Range 350nm-2.0um; 633nm (n=1.515082); Plano-convex configuration
- Outer Diameter: 25.4mm (+0.0/-0.1mm)
- Effective Focal Length(EFL): +100mm (+/-1%)
- Edge Thickness(Te): 2.2mm (+/-0.1mm)
Center Thickness(Tc): 3.7mm (+/-0.1mm) - ROC: 51.5mm (+/-1%) (convex surface)
- Centration: <=3 arc min
- Coating: AR/AR coated at 400-750nm,R<0.5% max on both surfaces
Pricing Overview (Excl. Taxes and Fees)
- Purchase Qty < 20pcs: S$70.00/pc
- Purchase Qty 20pcs or more: S$60.00/pc
- Purchase Qty 100pcs or more:
Inquire to us for volume pricing - Optional: SM1 Lens Mount (one set of SM1 lens tube will be included, c/w SM1 retaiing ring and black teflon washers 2pcs(t0.5mm)) – add S$10/pc

Stock Availability
- Local Singapore Warehouse: 8pcs
- New Batch Process Leadtime: Approx. 3-4weeks; EXW-SIN (T&C Apply)

DIA25.4mm BK7 Plano-Convex Lens f+125mm (400-750nm)
P/N: POL-BK7-PCX-A-25.4-125
General Specifications
- Substrate Material: BK7 glass ; Wavelength Range 350nm-2.0um; 633nm (n=1.515082); Plano-convex configuration
- Outer Diameter: 25.4mm (+0.0/-0.1mm)
- Effective Focal Length(EFL): +125mm (+/-1%)
- Edge Thickness(Te): 2.2mm (+/-0.1mm)
Center Thickness(Tc): 3.4mm (+/-0.1mm) - ROC: 64.4mm (+/-1%) (convex surface)
- Centration: <=3 arc min
- Coating: AR/AR coated at 400-750nm,R<0.5% max on both surfaces
Pricing Overview (Excl. Taxes and Fees)
- Purchase Qty < 20pcs: S$70.00/pc
- Purchase Qty 20pcs or more: S$60.00/pc
- Purchase Qty 100pcs or more:
Inquire to us for volume pricing - Optional: SM1 Lens Mount (one set of SM1 lens tube will be included, c/w SM1 retaiing ring and black teflon washers 2pcs(t0.5mm)) – add S$10/pc

Stock Availability
- Local Singapore Warehouse: 18pcs
- New Batch Process Leadtime: Approx. 3-4weeks; EXW-SIN (T&C Apply)

DIA25.4mm BK7 Plano-Convex Lens f+150mm (400-750nm)
P/N: POL-BK7-PCX-A-25.4-150
General Specifications
- Substrate Material: BK7 glass ; Wavelength Range 350nm-2.0um; 633nm (n=1.515082); Plano-convex configuration
- Outer Diameter: 25.4mm (+0.0/-0.1mm)
- Effective Focal Length(EFL): +150mm (+/-1%)
- Edge Thickness(Te): 2.2mm (+/-0.1mm)
Center Thickness(Tc): 3.2mm (+/-0.1mm) - ROC: 77.3mm (+/-1%) (convex surface)
- Centration: <=3 arc min
- Coating: AR/AR coated at 400-750nm,R<0.5% max on both surfaces
Pricing Overview (Excl. Taxes and Fees)
- Purchase Qty < 20pcs: S$70.00/pc
- Purchase Qty 20pcs or more: S$65.00/pc
- Purchase Qty 100pcs or more:
Inquire to us for volume pricing - Optional: SM1 Lens Mount (one set of SM1 lens tube will be included, c/w SM1 retaiing ring and black teflon washers 2pcs(t0.5mm)) – add S$10/pc

Stock Availability
- Local Singapore Warehouse: 8pcs
- New Batch Process Leadtime: Approx. 3-4weeks; EXW-SIN (T&C Apply)

DIA25.4mm BK7 Plano-Convex Lens f+175mm (400-750nm)
P/N: POL-BK7-PCX-A-25.4-175
General Specifications
- Substrate Material: BK7 glass ; Wavelength Range 350nm-2.0um; 633nm (n=1.515082); Plano-convex configuration
- Outer Diameter: 25.4mm (+0.0/-0.1mm)
- Effective Focal Length(EFL): +175mm (+/-1%)
- Edge Thickness(Te): 2.2mm (+/-0.1mm)
Center Thickness(Tc): 3.1mm (+/-0.1mm) - ROC: 90.1mm (+/-1%) (convex surface)
- Centration: <=3 arc min
- Coating: AR/AR coated at 400-750nm,R<0.5% max on both surfaces
Pricing Overview (Excl. Taxes and Fees)
- Purchase Qty < 20pcs: S$70.00/pc
- Purchase Qty 20pcs or more: S$60.00/pc
- Purchase Qty 100pcs or more:
Inquire to us for volume pricing - Optional: SM1 Lens Mount (one set of SM1 lens tube will be included, c/w SM1 retaiing ring and black teflon washers 2pcs(t0.5mm)) – add S$10/pc

Stock Availability
- Local Singapore Warehouse: 18pcs
- New Batch Process Leadtime: Approx. 3-4weeks; EXW-SIN (T&C Apply)

DIA25.4mm BK7 Plano-Convex Lens f+200mm (400-750nm)
P/N: POL-BK7-PCX-A-25.4-200
General Specifications
- Substrate Material: BK7 glass ; Wavelength Range 350nm-2.0um; 633nm (n=1.515082); Plano-convex configuration
- Outer Diameter: 25.4mm (+0.0/-0.1mm)
- Effective Focal Length(EFL): +200mm (+/-1%)
- Edge Thickness(Te): 2.2mm (+/-0.1mm)
Center Thickness(Tc): 2.9mm (+/-0.1mm) - ROC: 103.0mm (+/-1%) (convex surface)
- Centration: <=3 arc min
- Coating: AR/AR coated at 400-750nm,R<0.5% max on both surfaces
Pricing Overview (Excl. Taxes and Fees)
- Purchase Qty < 20pcs: S$70.00/pc
- Purchase Qty 20pcs or more: S$60.00/pc
- Purchase Qty 100pcs or more:
Inquire to us for volume pricing - Optional: SM1 Lens Mount (one set of SM1 lens tube will be included, c/w SM1 retaiing ring and black teflon washers 2pcs(t0.5mm)) – add S$10/pc

Stock Availability
- Local Singapore Warehouse: 18pcs
- New Batch Process Leadtime: Approx. 3-4weeks; EXW-SIN (T&C Apply)

DIA25.4mm BK7 Plano-Convex Lens f+250mm (400-750nm)
P/N: POL-BK7-PCX-A-25.4-250
General Specifications
- Substrate Material: BK7 glass ; Wavelength Range 350nm-2.0um; 633nm (n=1.515082); Plano-convex configuration
- Outer Diameter: 25.4mm (+0.0/-0.1mm)
- Effective Focal Length(EFL): +250mm (+/-1%)
- Edge Thickness(Te): 2.2mm (+/-0.1mm)
Center Thickness(Tc): 2.8mm (+/-0.1mm) - ROC: 128.8mm (+/-1%) (convex surface)
- Centration: <=3 arc min
- Coating: AR/AR coated at 400-750nm,R<0.5% max on both surfaces
Pricing Overview (Excl. Taxes and Fees)
- Purchase Qty < 20pcs: S$70.00/pc
- Purchase Qty 20pcs or more: S$60.00/pc
- Purchase Qty 100pcs or more:
Inquire to us for volume pricing - Optional: SM1 Lens Mount (one set of SM1 lens tube will be included, c/w SM1 retaiing ring and black teflon washers 2pcs(t0.5mm)) – add S$10/pc

Stock Availability
- Local Singapore Warehouse: 18pcs
- New Batch Process Leadtime: Approx. 3-4weeks; EXW-SIN (T&C Apply)

DIA25.4mm BK7 Plano-Convex Lens f+300mm (400-750nm)
P/N: POL-BK7-PCX-A-25.4-300
General Specifications
- Substrate Material: BK7 glass ; Wavelength Range 350nm-2.0um; 633nm (n=1.515082); Plano-convex configuration
- Outer Diameter: 25.4mm (+0.0/-0.1mm)
- Effective Focal Length(EFL): +300mm (+/-1%)
- Edge Thickness(Te): 2.2mm (+/-0.1mm)
Center Thickness(Tc): 2.7mm (+/-0.1mm) - ROC: 154.5mm (+/-1%) (convex surface)
- Centration: <=3 arc min
- Coating: AR/AR coated at 400-750nm,R<0.5% max on both surfaces
Pricing Overview (Excl. Taxes and Fees)
- Purchase Qty < 20pcs: S$70.00/pc
- Purchase Qty 20pcs or more: S$60.00/pc
- Purchase Qty 100pcs or more:
Inquire to us for volume pricing - Optional: SM1 Lens Mount (one set of SM1 lens tube will be included, c/w SM1 retaiing ring and black teflon washers 2pcs(t0.5mm)) – add S$10/pc

Stock Availability
- Local Singapore Warehouse: 10pcs
- New Batch Process Leadtime: Approx. 3-4weeks; EXW-SIN (T&C Apply)

DIA25.4mm BK7 Plano-Convex Lens f+400mm (400-750nm)
P/N: POL-BK7-PCX-A-25.4-400
General Specifications
- Substrate Material: BK7 glass ; Wavelength Range 350nm-2.0um; 633nm (n=1.515082); Plano-convex configuration
- Outer Diameter: 25.4mm (+0.0/-0.1mm)
- Effective Focal Length(EFL): +400mm (+/-1%)
- Edge Thickness(Te): 2.2mm (+/-0.1mm)
Center Thickness(Tc): 2.6mm (+/-0.1mm) - ROC: 206.0mm (+/-1%) (convex surface)
- Centration: <=3 arc min
- Coating: AR/AR coated at 400-750nm,R<0.5% max on both surfaces
Pricing Overview (Excl. Taxes and Fees)
- Purchase Qty < 20pcs: S$70.00/pc
- Purchase Qty 20pcs or more: S$65.00/pc
- Purchase Qty 100pcs or more:
Inquire to us for volume pricing - Optional: SM1 Lens Mount (one set of SM1 lens tube will be included, c/w SM1 retaiing ring and black teflon washers 2pcs(t0.5mm)) – add S$10/pc

Stock Availability
- Local Singapore Warehouse: 18pcs
- New Batch Process Leadtime: Approx. 3-4weeks; EXW-SIN (T&C Apply)

DIA25.4mm BK7 Plano-Convex Lens f+500mm (400-750nm)
P/N: POL-BK7-PCX-A-25.4-500
General Specifications
- Substrate Material: BK7 glass ; Wavelength Range 350nm-2.0um; 633nm (n=1.515082); Plano-convex configuration
- Outer Diameter: 25.4mm (+0.0/-0.1mm)
- Effective Focal Length(EFL): +500mm (+/-1%)
- Edge Thickness(Te): 2.1mm (+/-0.1mm)
Center Thickness(Tc): 2.4mm (+/-0.1mm) - ROC: 257.5mm (+/-1%) (convex surface)
- Centration: <=3 arc min
- Coating: AR/AR coated at 400-750nm,R<0.5% max on both surfaces
Pricing Overview (Excl. Taxes and Fees)
- Purchase Qty < 20pcs: S$70.00/pc
- Purchase Qty 20pcs or more: S$60.00/pc
- Purchase Qty 100pcs or more:
Inquire to us for volume pricing - Optional: SM1 Lens Mount (one set of SM1 lens tube will be included, c/w SM1 retaiing ring and black teflon washers 2pcs(t0.5mm)) – add S$10/pc

Stock Availability
- Local Singapore Warehouse: 18pcs
- New Batch Process Leadtime: Approx. 3-4weeks; EXW-SIN (T&C Apply)

DIA25.4mm BK7 Plano-Convex Lens f+750mm (400-750nm)
P/N: POL-BK7-PCX-A-25.4-750
General Specifications
- Substrate Material: BK7 glass ; Wavelength Range 350nm-2.0um; 633nm (n=1.515082); Plano-convex configuration
- Outer Diameter: 25.4mm (+0.0/-0.1mm)
- Effective Focal Length(EFL): +750mm (+/-1%)
- Edge Thickness(Te): 1.9mm (+/-0.1mm)
Center Thickness(Tc): 2.1mm (+/-0.1mm) - ROC: 386.3mm (+/-1%) (convex surface)
- Centration: <=3 arc min
- Coating: AR/AR coated at 400-750nm,R<0.5% max on both surfaces
Pricing Overview (Excl. Taxes and Fees)
- Purchase Qty < 20pcs: S$70.00/pc
- Purchase Qty 20pcs or more: S$60.00/pc
- Purchase Qty 100pcs or more:
Inquire to us for volume pricing - Optional: SM1 Lens Mount (one set of SM1 lens tube will be included, c/w SM1 retaiing ring and black teflon washers 2pcs(t0.5mm)) – add S$10/pc

Stock Availability
- Local Singapore Warehouse: 18pcs
- New Batch Process Leadtime: Approx. 3-4weeks; EXW-SIN (T&C Apply)

D25.4mm BK7 Plano-Convex Lens f+1000mm (400-750nm)
P/N: POL-BK7-PCX-A-25.4-1000
General Specifications
- Substrate Material: BK7 glass ; Wavelength Range 350nm-2.0um; 633nm (n=1.515082); Plano-convex configuration
- Outer Diameter: 25.4mm (+0.0/-0.1mm)
- Effective Focal Length(EFL): +1000mm (+/-1%)
- Edge Thickness(Te): 2.1mm (+/-0.1mm)
Center Thickness(Tc): 2.2mm (+/-0.1mm) - ROC: 515.0mm (+/-1%) (convex surface)
- Centration: <=3 arc min
- Coating: AR/AR coated at 400-750nm,R<0.5% max on both surfaces
Pricing Overview (Excl. Taxes and Fees)
- Purchase Qty < 20pcs: S$70.00/pc
- Purchase Qty 20pcs or more: S$60.00/pc
- Purchase Qty 100pcs or more:
Inquire to us for volume pricing - Optional: SM1 Lens Mount (one set of SM1 lens tube will be included, c/w SM1 retaiing ring and black teflon washers 2pcs(t0.5mm)) – add S$10/pc

Stock Availability
- Local Singapore Warehouse: 18pcs
- New Batch Process Leadtime: Approx. 3-4weeks; EXW-SIN (T&C Apply)