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)
Positive Meniscus Lens	7000 - 12000 nm (Coating Range)	-	100 mm (±1 mm)	In stock	$ 598.02
Product Code Wavelength Range 7000 - 12000 nm (Coating Range) Center Wavelength 10600 nm Reflectance < 1% (7000 - 12000 nm, Average) Diameter 25.4 mm (1") Dimensions Ø 25.4 mm (1") Thickness 4 mm (Center) 3.6 mm (Edge) Edge Thickness 3.6 mm Focal Length 100 mm (±1 mm) Back Focal Length 91.8 mm Radius of Curvature 32.6 mm (S2) 28.4 mm (S1) Center Thickness 4 mm f-Number 3.937 (Calculated) Clear Aperture 20.32 mm Substrate Zinc Selenide Surface Quality 60-40 scratch-dig Centration < 3' Diameter Tolerance +0/-0.1 mm Thickness Tolerance ±0.1 mm Damage Threshold Pulsed 5 J/cm² (0.478 mm, 100 ns, 1 Hz, 10600 nm) Surface Irregularity λ/2 (PV) Angle of Incidence 45° Shape Round Type of Curvature Positive Meniscus Supplier Location New Jersey, USA See product details More from Thorlabs
Positive Meniscus Lens	2000 - 5000 nm (Coating Range)	BBAR (2000 - 5000 nm)	80 mm (±1.6 mm, 4000 nm)	In stock	$ 339.74
Product Code Wavelength Range 2000 - 5000 nm (Coating Range) Center Wavelength 4000 nm Coating BBAR (2000 - 5000 nm) Reflectance < 1.25% (2000 - 5000 nm, Average, 0°) < 3% (2000 - 5000 nm, Absolute, 0°) Transmittance > 94% (0°, Average) > 90% (0°, Absolute) Diameter 12.7 mm (0.5") Dimensions Ø 12.7 mm (0.5") Thickness 3 mm (Center) 2.4 mm (Edge) Edge Thickness 2.4 mm Focal Length 80 mm (±1.6 mm, 4000 nm) Back Focal Length 76.5 mm Radius of Curvature 49.1 mm (S2) 20 mm (S1) Center Thickness 3 mm f-Number 6.299 (Calculated) Clear Aperture > 11.43 mm Substrate Calcium Fluoride Surface Quality 40-20 scratch-dig Centration < 3' Diameter Tolerance +0/-0.1 mm Thickness Tolerance ±0.1 mm Coating Features Broadband Surface Irregularity λ/2 (PV) Shape Round Type of Curvature Positive Meniscus Supplier Location New Jersey, USA See product details More from Thorlabs
Positive Meniscus Lens	350 - 2000 nm (Uncoated)	Uncoated	200 mm (±2 mm)	In stock	$ 53.47
Product Code Wavelength Range 350 - 2000 nm (Uncoated) Center Wavelength 587.6 nm Coating Uncoated Diameter 50.8 mm (2") Dimensions Ø 50.8 mm (2") Thickness 6.2 mm (Center) 2.9 mm (Edge) Edge Thickness 2.9 mm Focal Length 200 mm (±2 mm) Back Focal Length 192.9 mm Radius of Curvature 171.6 mm (S2) 65.2 mm (S1) Center Thickness 6.2 mm f-Number 3.937 (Calculated) Clear Aperture > 45.72 mm Substrate N-BK7 Surface Quality 40-20 scratch-dig Centration < 3' Diameter Tolerance +0/-0.1 mm Thickness Tolerance ±0.1 mm Refractive Index 1.515 (633 nm) Shape Round Type of Curvature Positive Meniscus Supplier Location New Jersey, USA See product details More from Thorlabs
Positive Meniscus Lens	180 - 8000 nm	Uncoated	40 mm (±0.8 mm) 40 mm (4000 nm)	In stock	$ 339.74
Product Code Wavelength Range 180 - 8000 nm Center Wavelength 4000 nm Coating Uncoated Diameter 25.4 mm (+0/-0.1, 1") Dimensions Ø 25.4 mm (+0/-0.1 mm, 1") Thickness 8.9 mm (Center) 2.4 mm (Edge) Edge Thickness 2.4 mm Focal Length 40 mm (±0.8 mm) 40 mm (4000 nm) Back Focal Length 33.1 mm Radius of Curvature 146.9 mm (S2) 15 mm (S1) Center Thickness 8.9 mm f-Number 1.575 (Calculated) Clear Aperture > 22.86 mm Substrate Calcium Fluoride Surface Quality 40-20 scratch-dig Centration < 3' Thickness Tolerance ±0.1 mm Surface Irregularity λ/2 (PV) Shape Round Type of Curvature Positive Meniscus Supplier Location New Jersey, USA See product details More from Thorlabs
Positive Meniscus Lens	1050 - 1700 nm	BBAR (1050 - 1700 nm)	200 mm (±2 mm)	In stock	$ 39.20
Product Code Wavelength Range 1050 - 1700 nm Center Wavelength 587.6 nm Coating BBAR (1050 - 1700 nm) Diameter 25.4 mm (1") Dimensions Ø 25.4 mm (1") Thickness 2.8 mm (Center) 2 mm (Edge) Edge Thickness 2 mm Focal Length 200 mm (±2 mm) Back Focal Length 196.5 mm Radius of Curvature 182.2 mm (S2) 66.2 mm (S1) Center Thickness 2.8 mm f-Number 7.874 (Calculated) Clear Aperture > 22.86 mm Substrate N-BK7 Surface Quality 40-20 scratch-dig Centration < 3' Diameter Tolerance +0/-0.1 mm Thickness Tolerance ±0.1 mm Refractive Index 1.515 (633 nm) Coating Features Broadband Damage Threshold Pulsed 7.5 J/cm² (0.123 mm, 10 ns, 10 Hz, 1542 nm) Shape Round Type of Curvature Positive Meniscus Supplier Location New Jersey, USA See product details More from Thorlabs
Positive Meniscus Lens	650 - 1050 nm	BBAR (650 - 1050 nm)	150 mm (±1.5 mm)	In stock	$ 58.80
Product Code Wavelength Range 650 - 1050 nm Center Wavelength 587.6 nm Coating BBAR (650 - 1050 nm) Diameter 50.8 mm (2") Dimensions Ø 50.8 mm (2") Thickness 7.3 mm (Center) 2.7 mm (Edge) Edge Thickness 2.7 mm Focal Length 150 mm (±1.5 mm) Back Focal Length 141.7 mm Radius of Curvature 119.3 mm (S2) 47.9 mm (S1) Center Thickness 7.3 mm f-Number 2.953 (Calculated) Clear Aperture > 45.72 mm Substrate N-BK7 Surface Quality 40-20 scratch-dig Centration < 3' Diameter Tolerance +0/-0.1 mm Thickness Tolerance ±0.1 mm Refractive Index 1.515 (633 nm) Coating Features Broadband Damage Threshold Pulsed 7.5 J/cm² (0.144 mm, 10 ns, 10 Hz, 810 nm) Shape Round Type of Curvature Positive Meniscus Supplier Location New Jersey, USA See product details More from Thorlabs
Positive Meniscus Lens	185 - 2100 nm	Uncoated	300 mm (±3 mm)	In stock	$ 104.53
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 2.6 mm (Center) 2 mm (Edge) Edge Thickness 2 mm Focal Length 300 mm (±3 mm) Back Focal Length 297.5 mm Radius of Curvature 330.6 mm (S2) 97.6 mm (S1) Center Thickness 2.6 mm f-Number 11.81 (Calculated) Clear Aperture > 22.86 mm Substrate UV Fused Silica Surface Quality 40-20 scratch-dig Centration < 3' Diameter Tolerance +0/-0.1 mm Refractive Index 1.458 (λ) Shape Round Type of Curvature Positive Meniscus Supplier Location New Jersey, USA See product details More from Thorlabs
Positive Meniscus Lens	7000 - 12000 nm (Coating Range)	-	500 mm (±5 mm)	In stock	$ 598.02
Product Code Wavelength Range 7000 - 12000 nm (Coating Range) Center Wavelength 10600 nm Reflectance < 1% (7000 - 12000 nm, Average) Diameter 25.4 mm (1") Dimensions Ø 25.4 mm (1") Thickness 4 mm (Center) 3.9 mm (Edge) Edge Thickness 3.9 mm Focal Length 500 mm (±5 mm) Back Focal Length 492 mm Radius of Curvature 181.6 mm (S2) 146.1 mm (S1) Center Thickness 4 mm f-Number 19.69 (Calculated) Clear Aperture 20.32 mm Substrate Zinc Selenide Surface Quality 60-40 scratch-dig Centration < 3' Diameter Tolerance +0/-0.1 mm Thickness Tolerance ±0.1 mm Damage Threshold Pulsed 5 J/cm² (0.478 mm, 100 ns, 1 Hz, 10600 nm) Surface Irregularity λ/2 (PV) Angle of Incidence 45° Shape Round Type of Curvature Positive Meniscus Supplier Location New Jersey, USA See product details More from Thorlabs
Positive Meniscus Lens	350 - 700 nm	BBAR (350 - 700 nm)	100 mm (±1 mm)	In stock	$ 57.61
Product Code Wavelength Range 350 - 700 nm Center Wavelength 587.6 nm Coating BBAR (350 - 700 nm) Diameter 50.8 mm (2") Dimensions Ø 50.8 mm (2") Thickness 9.7 mm (Center) 1.1 mm (Edge) Edge Thickness 1.1 mm Focal Length 100 mm (±1 mm) Back Focal Length 88.8 mm Radius of Curvature 65.8 mm (S2) 30.3 mm (S1) Center Thickness 9.7 mm f-Number 1.969 (Calculated) Clear Aperture > 45.72 mm Substrate N-BK7 Surface Quality 40-20 scratch-dig Centration < 3' Diameter Tolerance +0/-0.1 mm Thickness Tolerance ±0.1 mm Refractive Index 1.515 (633 nm) Coating Features Broadband Damage Threshold Pulsed 7.5 J/cm² (0.504 mm, 10 ns, 10 Hz, 532 nm) Shape Round Type of Curvature Positive Meniscus Supplier Location New Jersey, USA See product details More from Thorlabs
Positive Meniscus Lens	7000 - 12000 nm (Coating Range)	-	40 mm (±0.4 mm)	In stock	$ 413.74
Product Code Wavelength Range 7000 - 12000 nm (Coating Range) Center Wavelength 10600 nm Reflectance < 1% (7000 - 12000 nm, Average) Diameter 12.7 mm (0.5") Dimensions Ø 12.7 mm (0.5") Thickness 3 mm (Center) 2.9 mm (Edge) Edge Thickness 2.9 mm Focal Length 40 mm (±0.4 mm) Back Focal Length 33.6 mm Radius of Curvature 11.3 mm (S2) 10.9 mm (S1) Center Thickness 3 mm f-Number 3.15 (Calculated) Clear Aperture 10.16 mm Substrate Zinc Selenide Surface Quality 60-40 scratch-dig Centration < 3' Diameter Tolerance +0/-0.1 mm Thickness Tolerance ±0.1 mm Damage Threshold Pulsed 5 J/cm² (0.478 mm, 100 ns, 1 Hz, 10600 nm) Surface Irregularity λ/2 (PV) Angle of Incidence 45° Shape Round Type of Curvature Positive Meniscus Supplier Location New Jersey, USA See product details More from Thorlabs
Positive Meniscus Lens	185 - 2100 nm	Uncoated	1000 mm (±10 mm)	In stock	$ 101.56
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 2.2 mm (Center) 2 mm (Edge) Edge Thickness 2 mm Focal Length 1000 mm (±10 mm) Back Focal Length 998 mm Radius of Curvature 1425.7 mm (S2) 348 mm (S1) Center Thickness 2.2 mm f-Number 39.37 (Calculated) Clear Aperture > 22.86 mm Substrate UV Fused Silica Surface Quality 40-20 scratch-dig Centration < 3' Diameter Tolerance +0/-0.1 mm Refractive Index 1.458 (λ) Shape Round Type of Curvature Positive Meniscus Supplier Location New Jersey, USA See product details More from Thorlabs
Positive Meniscus Lens	1050 - 1700 nm	BBAR (1050 - 1700 nm)	250 mm (±2.5 mm)	In stock	$ 65.63
Product Code Wavelength Range 1050 - 1700 nm Center Wavelength 587.6 nm Coating BBAR (1050 - 1700 nm) Diameter 50.8 mm (2") Dimensions Ø 50.8 mm (2") Thickness 5.5 mm (Center) 2.9 mm (Edge) Edge Thickness 2.9 mm Focal Length 250 mm (±2.5 mm) Back Focal Length 243.5 mm Radius of Curvature 224.7 mm (S2) 82.5 mm (S1) Center Thickness 5.5 mm f-Number 4.921 (Calculated) Clear Aperture > 45.72 mm Substrate N-BK7 Surface Quality 40-20 scratch-dig Centration < 3' Diameter Tolerance +0/-0.1 mm Thickness Tolerance ±0.1 mm Refractive Index 1.515 (633 nm) Coating Features Broadband Damage Threshold Pulsed 7.5 J/cm² (0.123 mm, 10 ns, 10 Hz, 1542 nm) Shape Round Type of Curvature Positive Meniscus Supplier Location New Jersey, USA See product details More from Thorlabs
Positive Meniscus Lens	245 - 400 nm	BBAR (245 - 400 nm)	300 mm (±3 mm)	In stock	$ 362.30
Product Code Wavelength Range 245 - 400 nm Center Wavelength 588 nm Coating BBAR (245 - 400 nm) Reflectance < 0.5% (245 - 400 nm, Average, 0°) Diameter 50.8 mm (2") Dimensions Ø 50.8 mm (2") Thickness 5.4 mm (Center) 3 mm (Edge) Edge Thickness 3 mm Focal Length 300 mm (±3 mm) Back Focal Length 294.8 mm Radius of Curvature 327.6 mm (S2) 97.6 mm (S1) Center Thickness 5.4 mm f-Number 5.906 (Calculated) Clear Aperture > Ø 45.72 mm Substrate UV Fused Silica Surface Quality 40-20 scratch-dig Centration < 3' Diameter Tolerance +0/-0.1 mm Refractive Index 1.458 (λ) Coating Features Broadband Damage Threshold Pulsed 5 J/cm² (0.35 mm, 10 ns, 10 Hz, 355 nm) Shape Round Type of Curvature Positive Meniscus Supplier Location New Jersey, USA See product details More from Thorlabs
Positive Meniscus Lens	180 - 8000 nm	Uncoated	75 mm (±1.5 mm) 75 mm (4000 nm)	In stock	$ 339.74
Product Code Wavelength Range 180 - 8000 nm Center Wavelength 4000 nm Coating Uncoated Diameter 25.4 mm (+0/-0.1, 1") Dimensions Ø 25.4 mm (+0/-0.1 mm, 1") Thickness 5.6 mm (Center) 2 mm (Edge) Edge Thickness 2 mm Focal Length 75 mm (±1.5 mm) 75 mm (4000 nm) Back Focal Length 67.2 mm Radius of Curvature 28 mm (S2) 15.5 mm (S1) Center Thickness 5.6 mm f-Number 2.953 (Calculated) Clear Aperture > 22.86 mm Substrate Calcium Fluoride Surface Quality 40-20 scratch-dig Centration < 3' Thickness Tolerance ±0.1 mm Surface Irregularity λ/2 (PV) Shape Round Type of Curvature Positive Meniscus Supplier Location New Jersey, USA See product details More from Thorlabs
Positive Meniscus Lens	185 - 2100 nm	Uncoated	200 mm (±2 mm)	In stock	$ 104.53
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 2.9 mm (Center) 2 mm (Edge) Edge Thickness 2 mm Focal Length 200 mm (±2 mm) Back Focal Length 197.2 mm Radius of Curvature 209.8 mm (S2) 64.2 mm (S1) Center Thickness 2.9 mm f-Number 7.874 (Calculated) Clear Aperture > 22.86 mm Substrate UV Fused Silica Surface Quality 40-20 scratch-dig Centration < 3' Diameter Tolerance +0/-0.1 mm Refractive Index 1.458 (λ) Shape Round Type of Curvature Positive Meniscus Supplier Location New Jersey, USA See product details More from Thorlabs
Positive Meniscus Lens	2000 - 5000 nm (Coating Range)	BBAR (2000 - 5000 nm)	750 mm (±15 mm, 4000 nm)	In stock	$ 424.09
Product Code Wavelength Range 2000 - 5000 nm (Coating Range) Center Wavelength 4000 nm Coating BBAR (2000 - 5000 nm) Reflectance < 1.25% (2000 - 5000 nm, Average, 0°) < 3% (2000 - 5000 nm, Absolute, 0°) Transmittance > 94% (0°, Average) > 90% (0°, Absolute) Diameter 25.4 mm (1") Dimensions Ø 25.4 mm (1") Thickness 4 mm (Center) 3.7 mm (Edge) Edge Thickness 3.7 mm Focal Length 750 mm (±15 mm, 4000 nm) Back Focal Length 744.2 mm Radius of Curvature 290.8 mm (S2) 150 mm (S1) Center Thickness 4 mm f-Number 29.53 (Calculated) Clear Aperture > 22.86 mm Substrate Calcium Fluoride Surface Quality 40-20 scratch-dig Centration < 3' Diameter Tolerance +0/-0.1 mm Thickness Tolerance ±0.1 mm Coating Features Broadband Surface Irregularity λ/2 (PV) Shape Round Type of Curvature Positive Meniscus Supplier Location New Jersey, USA See product details More from Thorlabs
Positive Meniscus Lens	350 - 2000 nm (Uncoated)	Uncoated	100 mm (±1 mm)	In stock	$ 46.04
Product Code Wavelength Range 350 - 2000 nm (Uncoated) Center Wavelength 587.6 nm Coating Uncoated Diameter 50.8 mm (2") Dimensions Ø 50.8 mm (2") Thickness 9.7 mm (Center) 1.1 mm (Edge) Edge Thickness 1.1 mm Focal Length 100 mm (±1 mm) Back Focal Length 88.8 mm Radius of Curvature 65.8 mm (S2) 30.3 mm (S1) Center Thickness 9.7 mm f-Number 1.969 (Calculated) Clear Aperture > 45.72 mm Substrate N-BK7 Surface Quality 40-20 scratch-dig Centration < 3' Diameter Tolerance +0/-0.1 mm Thickness Tolerance ±0.1 mm Refractive Index 1.515 (633 nm) Shape Round Type of Curvature Positive Meniscus Supplier Location New Jersey, USA See product details More from Thorlabs
Positive Meniscus Lens	650 - 1050 nm	BBAR (650 - 1050 nm)	300 mm (±3 mm)	In stock	$ 39.81
Product Code Wavelength Range 650 - 1050 nm Center Wavelength 587.6 nm Coating BBAR (650 - 1050 nm) Diameter 25.4 mm (1") Dimensions Ø 25.4 mm (1") Thickness 2.5 mm (Center) 2 mm (Edge) Edge Thickness 2 mm Focal Length 300 mm (±3 mm) Back Focal Length 296.5 mm Radius of Curvature 288.2 mm (S2) 100.9 mm (S1) Center Thickness 2.5 mm f-Number 11.81 (Calculated) Clear Aperture > 22.86 mm Substrate N-BK7 Surface Quality 40-20 scratch-dig Centration < 3' Diameter Tolerance +0/-0.1 mm Thickness Tolerance ±0.1 mm Refractive Index 1.515 (633 nm) Coating Features Broadband Damage Threshold Pulsed 7.5 J/cm² (0.144 mm, 10 ns, 10 Hz, 810 nm) Shape Round Type of Curvature Positive Meniscus Supplier Location New Jersey, USA See product details More from Thorlabs
Positive Meniscus Lens	2000 - 5000 nm (Coating Range)	BBAR (2000 - 5000 nm)	40 mm (±0.8 mm, 4000 nm)	In stock	$ 424.09
Product Code Wavelength Range 2000 - 5000 nm (Coating Range) Center Wavelength 4000 nm Coating BBAR (2000 - 5000 nm) Reflectance < 1.25% (2000 - 5000 nm, Average, 0°) < 3% (2000 - 5000 nm, Absolute, 0°) Transmittance > 94% (0°, Average) > 90% (0°, Absolute) Diameter 25.4 mm (1") Dimensions Ø 25.4 mm (1") Thickness 8.9 mm (Center) 2.4 mm (Edge) Edge Thickness 2.4 mm Focal Length 40 mm (±0.8 mm, 4000 nm) Back Focal Length 33.1 mm Radius of Curvature 146.9 mm (S2) 15 mm (S1) Center Thickness 8.9 mm f-Number 1.575 (Calculated) Clear Aperture > 22.86 mm Substrate Calcium Fluoride Surface Quality 40-20 scratch-dig Centration < 3' Diameter Tolerance +0/-0.1 mm Thickness Tolerance ±0.1 mm Coating Features Broadband Surface Irregularity λ/2 (PV) Shape Round Type of Curvature Positive Meniscus Supplier Location New Jersey, USA See product details More from Thorlabs
Positive Meniscus Lens	185 - 2100 nm	Uncoated	1000 mm (±10 mm)	In stock	$ 335.00
Product Code Wavelength Range 185 - 2100 nm Center Wavelength 588 nm Coating Uncoated Diameter 50.8 mm (2") Dimensions Ø 50.8 mm (2") Thickness 5 mm (Center) 4.3 mm (Edge) Edge Thickness 4.3 mm Focal Length 1000 mm (±10 mm) Back Focal Length 995.6 mm Radius of Curvature 1580.2 mm (S2) 356.7 mm (S1) Center Thickness 5 mm f-Number 19.69 (Calculated) Clear Aperture > 45.72 mm Substrate UV Fused Silica Surface Quality 40-20 scratch-dig Centration < 3' Diameter Tolerance +0/-0.1 mm Refractive Index 1.458 (λ) Shape Round Type of Curvature Positive Meniscus Supplier Location New Jersey, USA See product details More from Thorlabs