Spherical Lenses

Transmissive optical components that feature a spherical surface with a constant radius of curvature (R or ROC) across the entire lens, used to diverge or converge light determined by their focal length. Learn More

Product	Wavelength Range	Coating	Focal Length	Availability	Price (USD)
Bi-Concave Lens	1064 nm (Center Wavelength)	AR/Transmissive V-Coating (1064 nm)	-50 mm	12 weeks	$ 62.00
Product Code Wavelength Range 1064 nm (Center Wavelength) Center Wavelength 1064 nm Reflection Wavelength 1064 nm Coating AR/Transmissive V-Coating (1064 nm) Reflectance < 0.2% (1064 nm) Diameter 22.4 mm Dimensions Ø 22.4 mm Thickness 1.5 mm (Center) 3.9 mm (Edge) Edge Thickness 3.9 mm Focal Length -50 mm Radius of Curvature 52.33 mm (S2) -52.33 mm (S1) Substrate N-BK7 Center Thickness 1.5 mm Centration 10' Type of Curvature Concave-Concave Coating Features Narrowband Angle of Incidence 0° Shape Round Supplier Location Pennsylvania, USA See product details More from Excelitas
Bi-Concave Lens	185 - 2100 nm	Uncoated	-75 mm (±0.75 mm)	In stock	$ 106.02
Product Code Wavelength Range 185 - 2100 nm Center Wavelength 588 nm Coating Uncoated Diameter 25.4 mm (1") Dimensions Ø 25.4 mm (1") Thickness 3.5 mm (Center) 5.8 mm (Edge) Edge Thickness 5.8 mm Focal Length -75 mm (±0.75 mm) Radius of Curvature -69.6 mm Clear Aperture > 22.86 mm Substrate UV Fused Silica Center Thickness 3.5 mm Centration < 3' Type of Curvature Concave-Concave Back Focal Length -76.2 mm Surface Quality 40-20 scratch-dig Refractive Index 1.458 (λ) Surface Irregularity λ/4 (PV) Diameter Tolerance +0/-0.1 mm Thickness Tolerance ±0.1 mm Shape Round Supplier Location New Jersey, USA See product details More from Thorlabs
Bi-Concave Lens	185 - 2100 nm	Uncoated	-12 mm (±0.12 mm)	In stock	$ 82.56
Product Code Wavelength Range 185 - 2100 nm Center Wavelength 588 nm Coating Uncoated Diameter 6 mm Dimensions Ø 6 mm Thickness 3 mm (Center) 3.8 mm (Edge) Edge Thickness 3.8 mm Focal Length -12 mm (±0.12 mm) Radius of Curvature -11.5 mm Clear Aperture > 5.4 mm Substrate UV Fused Silica Center Thickness 3 mm Centration < 3' Type of Curvature Concave-Concave Back Focal Length -13 mm Surface Quality 40-20 scratch-dig Refractive Index 1.458 (λ) Surface Irregularity λ/4 (PV) Diameter Tolerance +0/-0.1 mm Thickness Tolerance ±0.1 mm Shape Round Supplier Location New Jersey, USA See product details More from Thorlabs
Bi-Concave Lens	725 - 1050 nm	BBAR (725 - 1050 nm)	-50 mm	12 weeks	$ 261.00
Product Code Wavelength Range 725 - 1050 nm Reflection Wavelength 725 - 1050 nm Coating BBAR (725 - 1050 nm) Reflectance < 0.5% (725 - 1050 nm) Diameter 25 mm (Outer) Dimensions Ø 25 x 10 mm Thickness 10 mm Edge Thickness 4.1 mm Focal Length -50 mm Radius of Curvature 50.481 mm (S2) -50.481 mm (S1) Clear Aperture 21.4 mm Substrate Fused Silica Center Thickness 1.5 mm Centration 4' Type of Curvature Concave-Concave Coating Features Broadband Angle of Incidence 0° Mount Non-Threaded Mount, 25 mm Length 10 mm Shape Round Supplier Location Pennsylvania, USA See product details More from Excelitas
Bi-Concave Lens	1064 nm (Center Wavelength)	AR/Transmissive V-Coating (1064 nm)	-100 mm	14 weeks	$ 115.00
Product Code Wavelength Range 1064 nm (Center Wavelength) Center Wavelength 1064 nm Reflection Wavelength 1064 nm Coating AR/Transmissive V-Coating (1064 nm) Reflectance < 0.2% (1064 nm) Diameter 16 mm (Outer) Dimensions Ø 16 x 8 mm Thickness 8 mm Edge Thickness 1.9 mm Focal Length -100 mm Radius of Curvature 104.41 mm (S2) -104.41 mm (S1) Clear Aperture 11.5 mm Substrate N-BK7 Center Thickness 1.5 mm Centration 10' Type of Curvature Concave-Concave Coating Features Narrowband Angle of Incidence 0° Mount Non-Threaded Mount, 16 mm Length 8 mm Shape Round Supplier Location Pennsylvania, USA See product details More from Excelitas
Bi-Concave Lens	400 - 700 nm	BBAR (400 - 700 nm)	-29.7 mm	In stock	$ 111.00
Product Code Wavelength Range 400 - 700 nm Center Wavelength 546.1 nm Coating BBAR (400 - 700 nm) Transmittance > 99% (Average) Diameter 25.4 mm (1") Dimensions Ø 25.4 mm (1") Thickness 2 mm (Center) 7.4 mm (Edge) Edge Thickness 7.4 mm Focal Length -29.7 mm Radius of Curvature 31.14 mm Clear Aperture 21.59 mm Substrate BK7 Center Thickness 2 mm Centration < 1' Type of Curvature Concave-Concave Back Focal Length -30.4 mm Surface Quality 20-10 scratch-dig Coating Features Broadband Refractive Index 1.519 Damage Threshold Pulsed 4 J/cm² (10 ns, 20 Hz) Weight 50 g Shape Round Supplier Location California, USA See product details More from OptoSigma
Bi-Concave Lens	600 - 1050 nm	BBAR (600 - 1050 nm)	-12 mm (±0.12 mm)	Contact Supplier	$ 43.46
Product Code Wavelength Range 600 - 1050 nm Coating BBAR (600 - 1050 nm) Reflectance < 0.5% (600 - 1050 nm, Average) Diameter 9 mm Dimensions Ø 9 mm Thickness 1.5 mm (Center) 2.43 mm (Edge) Edge Thickness 2.43 mm Focal Length -12 mm (±0.12 mm) Radius of Curvature -19.16 mm (S1, S2) Clear Aperture 8.1 mm Substrate N-SF11 Center Thickness 1.5 mm Centration < 1' Type of Curvature Concave-Concave Back Focal Length -12.41 mm Surface Quality 40-20 scratch-dig Coating Features Broadband Damage Threshold Pulsed 7 J/cm² (10 ns, 1064 nm) Surface Irregularity λ/4 (632.8 nm, PV) Diameter Tolerance +0/-0.025 mm Center Thickness Tolerance ±0.05 mm Numerical Aperture 0.38 f-Number 1.33 Shape Round Bevels Protective bevel as needed Supplier Location New Jersey, USA See product details More from Edmund Optics
Bi-Concave Lens	400 - 1200 nm	AR/Transmissive V-Coating (1064 nm)	-50 mm	12 weeks	$ 137.00
Product Code Wavelength Range 400 - 1200 nm Center Wavelength 1064 nm Reflection Wavelength 1064 nm Coating AR/Transmissive V-Coating (1064 nm) Reflectance < 0.2% (1064 nm) Diameter 22.4 mm Dimensions Ø 22.4 mm Thickness 1.5 mm (Center) 4.1 mm (Edge) Edge Thickness 4.1 mm Focal Length -50 mm Radius of Curvature 50.481 mm (S2) -50.481 mm (S1) Substrate Fused Silica Center Thickness 1.5 mm Centration 4' Type of Curvature Concave-Concave Surface Quality 3x0.16 (ISO-7) Coating Features Narrowband Angle of Incidence 0° Shape Round Supplier Location Pennsylvania, USA See product details More from Excelitas
Bi-Concave Lens	546.1 nm (Center Wavelength)	Uncoated	-99.5 mm	In stock	$ 82.00
Product Code Wavelength Range 546.1 nm (Center Wavelength) Center Wavelength 546.1 nm Coating Uncoated Diameter 50.8 mm (2") Dimensions Ø 50.8 mm (2") Thickness 3 mm (Center) 9.3 mm (Edge) Edge Thickness 9.3 mm Focal Length -99.5 mm Radius of Curvature 103.8 mm Clear Aperture 45.72 mm Substrate BK7 Center Thickness 3 mm Centration < 1' Type of Curvature Concave-Concave Back Focal Length -100.5 mm Surface Quality 20-10 scratch-dig Refractive Index 1.519 Weight 50 g Shape Round Supplier Location California, USA See product details More from OptoSigma
Bi-Concave Lens	1064 nm (Center Wavelength)	AR/Transmissive V-Coating (1064 nm)	-10 mm	12 weeks	$ 133.00
Product Code Wavelength Range 1064 nm (Center Wavelength) Center Wavelength 1064 nm Reflection Wavelength 1064 nm Coating AR/Transmissive V-Coating (1064 nm) Reflectance < 0.2% (1064 nm) Diameter 16 mm (Outer) Dimensions Ø 16 x 8 mm Thickness 8 mm Edge Thickness 3.5 mm Focal Length -10 mm Radius of Curvature 10.669 mm (S2) -10.669 mm (S1) Clear Aperture 9 mm Substrate N-BK7 Center Thickness 1 mm Centration 10' Type of Curvature Concave-Concave Coating Features Narrowband Angle of Incidence 0° Mount Non-Threaded Mount, 16 mm Length 8 mm Shape Round Supplier Location Pennsylvania, USA See product details More from Excelitas
Bi-Concave Lens	400 - 1200 nm	Uncoated	-29.7 mm	In stock	$ 170.00
Product Code Wavelength Range 400 - 1200 nm Center Wavelength 546.1 nm Coating Uncoated Diameter 20 mm Dimensions Ø 20 mm Thickness 2 mm (Center) 5.8 mm (Edge) Edge Thickness 5.8 mm Focal Length -29.7 mm Radius of Curvature 27.6 mm Clear Aperture 18 mm Substrate Synthetic Fused Silica Center Thickness 2 mm Centration < 1' Type of Curvature Concave-Concave Back Focal Length -30.3 mm Surface Quality 20-10 scratch-dig Refractive Index 1.46 Weight 50 g Shape Round Supplier Location California, USA See product details More from OptoSigma
Bi-Concave Lens	245 - 400 nm (Coating Range)	BBAR (245 - 400 nm)	-75.3 mm (±0.753 mm)	In stock	$ 130.68
Product Code Wavelength Range 245 - 400 nm (Coating Range) Center Wavelength 588 nm Coating BBAR (245 - 400 nm) Reflectance < 0.5% (245 - 400 nm, Average, 0°) Diameter 25.4 mm (1") Dimensions Ø 25.4 mm (1") Thickness 3.5 mm (Center) 5.8 mm (Edge) Edge Thickness 5.8 mm Focal Length -75.3 mm (±0.753 mm) Radius of Curvature -69.6 mm Clear Aperture > Ø 22.86 mm Substrate UV Fused Silica Center Thickness 3.5 mm Centration < 3' Type of Curvature Concave-Concave Back Focal Length -76.4 mm Surface Quality 40-20 scratch-dig Coating Features Broadband Refractive Index 1.458 (λ) Damage Threshold Pulsed 5 J/cm² (0.35 mm, 10 ns, 10 Hz, 355 nm) Surface Irregularity λ/4 (PV) Diameter Tolerance +0/-0.1 mm Shape Round Supplier Location New Jersey, USA See product details More from Thorlabs
Bi-Concave Lens	450 - 700 nm	BBAR (450 - 700 nm)	-20 mm	12 weeks	$ 204.00
Product Code Wavelength Range 450 - 700 nm Reflection Wavelength 450 - 700 nm Coating BBAR (450 - 700 nm) Reflectance < 0.5% (450 - 700 nm) Diameter 25 mm (Outer) Dimensions Ø 25 x 10 mm Thickness 10 mm Edge Thickness 8.1 mm Focal Length -20 mm Radius of Curvature 20.535 mm (S2) -20.535 mm (S1) Clear Aperture 21.4 mm Substrate Fused Silica Center Thickness 1.5 mm Centration 4' Type of Curvature Concave-Concave Coating Features Broadband Angle of Incidence 0° Mount Non-Threaded Mount, 25 mm Length 10 mm Shape Round Supplier Location Pennsylvania, USA See product details More from Excelitas
Bi-Concave Lens	750 - 1550 nm	BBAR (750 - 1550 nm)	-59.7 mm	6 - 12 weeks	$ 100.00
Product Code Wavelength Range 750 - 1550 nm Center Wavelength 546.1 nm Coating BBAR (750 - 1550 nm) Transmittance > 98.5% (Average) Diameter 25 mm Dimensions Ø 25 mm Thickness 2 mm (Center) 4.5 mm (Edge) Edge Thickness 4.5 mm Focal Length -59.7 mm Radius of Curvature 62.28 mm Clear Aperture 21.25 mm Substrate BK7 Center Thickness 2 mm Centration < 1' Type of Curvature Concave-Concave Back Focal Length -60.3 mm Surface Quality 20-10 scratch-dig Coating Features Broadband Refractive Index 1.519 Damage Threshold Pulsed 4 J/cm² (10 ns, 20 Hz) Weight 50 g Shape Round Supplier Location California, USA See product details More from OptoSigma
Bi-Concave Lens	725 - 1050 nm	BBAR (725 - 1050 nm)	-40 mm	12 weeks	$ 261.00
Product Code Wavelength Range 725 - 1050 nm Reflection Wavelength 725 - 1050 nm Coating BBAR (725 - 1050 nm) Reflectance < 0.5% (725 - 1050 nm) Diameter 25 mm (Outer) Dimensions Ø 25 x 10 mm Thickness 10 mm Edge Thickness 4.7 mm Focal Length -40 mm Radius of Curvature 40.388 mm (S2) -40.388 mm (S1) Clear Aperture 21.4 mm Substrate Fused Silica Center Thickness 1.5 mm Centration 4' Type of Curvature Concave-Concave Coating Features Broadband Angle of Incidence 0° Mount Non-Threaded Mount, 25 mm Length 10 mm Shape Round Supplier Location Pennsylvania, USA See product details More from Excelitas
Bi-Concave Lens	633 - 1064 nm	BBAR (633 - 1064 nm)	-39.7 mm	2 weeks	$ 116.00
Product Code Wavelength Range 633 - 1064 nm Center Wavelength 546.1 nm Coating BBAR (633 - 1064 nm) Diameter 30 mm Dimensions Ø 30 mm Thickness 2 mm (Center) 7.6 mm (Edge) Edge Thickness 7.6 mm Focal Length -39.7 mm Radius of Curvature 41.52 mm Clear Aperture 25.5 mm Substrate BK7 Center Thickness 2 mm Centration < 1' Type of Curvature Concave-Concave Back Focal Length -40.3 mm Surface Quality 20-10 scratch-dig Coating Features Broadband Refractive Index 1.519 Damage Threshold Pulsed 4 J/cm² (10 ns, 20 Hz) Weight 50 g Shape Round Supplier Location California, USA See product details More from OptoSigma
Bi-Concave Lens	450 - 700 nm	BBAR (450 - 700 nm)	-50 mm	12 weeks	$ 53.00
Product Code Wavelength Range 450 - 700 nm Reflection Wavelength 450 - 700 nm Coating BBAR (450 - 700 nm) Reflectance < 0.5% (450 - 700 nm) Diameter 12.7 mm (0.5") Dimensions Ø 12.7 mm (0.5") Thickness 1.5 mm (Center) 2.3 mm (Edge) Edge Thickness 2.3 mm Focal Length -50 mm Radius of Curvature 52.33 mm (S2) -52.33 mm (S1) Substrate N-BK7 Center Thickness 1.5 mm Centration 10' Type of Curvature Concave-Concave Coating Features Broadband Angle of Incidence 0° Shape Round Supplier Location Pennsylvania, USA See product details More from Excelitas
Bi-Concave Lens	725 - 1050 nm	BBAR (725 - 1050 nm)	-50 mm	12 weeks	$ 194.00
Product Code Wavelength Range 725 - 1050 nm Reflection Wavelength 725 - 1050 nm Coating BBAR (725 - 1050 nm) Reflectance < 0.5% (725 - 1050 nm) Diameter 22.4 mm Dimensions Ø 22.4 mm Thickness 1.5 mm (Center) 4.1 mm (Edge) Edge Thickness 4.1 mm Focal Length -50 mm Radius of Curvature 50.481 mm (S2) -50.481 mm (S1) Substrate Fused Silica Center Thickness 1.5 mm Centration 4' Type of Curvature Concave-Concave Surface Quality 3x0.16 (ISO-7) Coating Features Broadband Angle of Incidence 0° Shape Round Supplier Location Pennsylvania, USA See product details More from Excelitas
Bi-Concave Lens	310 - 2700 nm	Uncoated	-60 mm	4 - 5 days	$ 25.00
Product Code Wavelength Range 310 - 2700 nm Coating Uncoated Diameter 25.4 mm (1") Dimensions Ø 25.4 mm (1") Thickness 2.6 mm (Center) 5.2 mm (Edge) Edge Thickness 5.2 mm Focal Length -60 mm Radius of Curvature 62.7 mm Clear Aperture 22.86 mm Substrate BK7 Center Thickness 2.6 mm Centration 3' Type of Curvature Concave-Concave Surface Quality 40-20 scratch-dig Surface Irregularity λ/8 (633 nm) Diameter Tolerance +0/-0.12 mm Thickness Tolerance ±0.2 mm Shape Round Supplier Location Lithuania See product details More from EKSMA Optics
Bi-Concave Lens	546.1 nm (Center Wavelength)	Uncoated	-149.5 mm	In stock	$ 82.00
Product Code Wavelength Range 546.1 nm (Center Wavelength) Center Wavelength 546.1 nm Coating Uncoated Diameter 50.8 mm (2") Dimensions Ø 50.8 mm (2") Thickness 3 mm (Center) 7.2 mm (Edge) Edge Thickness 7.2 mm Focal Length -149.5 mm Radius of Curvature 155.7 mm Clear Aperture 45.72 mm Substrate BK7 Center Thickness 3 mm Centration < 1' Type of Curvature Concave-Concave Back Focal Length -150.5 mm Surface Quality 20-10 scratch-dig Refractive Index 1.519 Weight 50 g Shape Round Supplier Location California, USA See product details More from OptoSigma