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-Convex Lens	195 - 2100 nm	Uncoated	300 mm (±6 × 10^-6 mm, 355 nm, Paraxial)	4 - 5 days	$ 72.00
Product Code Wavelength Range 195 - 2100 nm Coating Uncoated Diameter 25.4 mm (1") Dimensions Ø 25.4 mm (1") Thickness 3 mm (Center) 2.4 mm (Edge) Edge Thickness 2.4 mm Focal Length 300 mm (±6 × 10^-6 mm, 355 nm, Paraxial) Center Thickness 3 mm Radius of Curvature 285.2 mm Substrate UV Fused Silica f-Number 11.81 (Calculated) Centration 3' Surface Quality 40-20 scratch-dig Clear Aperture 22.86 mm Type of Curvature Convex-Convex Diameter Tolerance +0/-0.12 mm Surface Irregularity λ/8 (633 nm) Thickness Tolerance ±0.2 mm Shape Round Supplier Location Lithuania See product details More from EKSMA Optics
Bi-Convex Lens	650 - 1050 nm	BBAR (650 - 1050 nm)	25.4 mm (±0.254 mm, 1")	2 weeks	$ 58.21
Product Code Wavelength Range 650 - 1050 nm Center Wavelength 633 nm Coating BBAR (650 - 1050 nm) Reflectance < 0.5% (650 - 1050 nm, Average) Diameter 25.4 mm (1") Dimensions Ø 25.4 mm (1") Thickness 9 mm (Center) 1.9 mm (Edge) Edge Thickness 1.9 mm Focal Length 25.4 mm (±0.254 mm, 1") Center Thickness 9 mm Radius of Curvature 24.5 mm Substrate N-BK7 Centration < 3' Surface Quality 40-20 scratch-dig Type of Curvature Convex-Convex Back Focal Length 22.2 mm Coating Features Broadband Diameter Tolerance +0/-0.1 mm Surface Irregularity λ/4 Damage Threshold Pulsed 7.5 J/cm² (0.144 mm, 10 ns, 10 Hz, 810 nm) Refractive Index 1.515 (633 nm) Abbe Number 64.17 Working Distance 21.5 mm Shape Round Supplier Location New Jersey, USA See product details More from Thorlabs
Bi-Convex Lens	450 - 900 nm	-	40 mm	Contact Supplier	$ 61.09
Product Code Wavelength Range 450 - 900 nm Reflectance < 0.5% (450 - 900 nm) Diameter 40 mm Dimensions Ø 40 mm Focal Length 40 mm Substrate BK7 f-Number 1 (Calculated) Centration 5' Surface Quality < 40-20 scratch-dig Type of Curvature Convex-Convex Diameter Tolerance +0/-0.1 mm Center Thickness Tolerance ±0.2 mm Edge Thickness Tolerance ±0.2 mm Shape Round Supplier Location United Kingdom; Rhode Island, USA See product details More from Knight Optical
Bi-Convex Lens	350 - 700 nm	BBAR (350 - 700 nm)	15 mm (±0.15 mm)	In stock	$ 108.00
Product Code Wavelength Range 350 - 700 nm Center Wavelength 587.6 nm Coating BBAR (350 - 700 nm) Reflectance < 0.5% (350 - 700 nm, Average, 0°) Diameter 6 mm Dimensions Ø 6 mm Thickness 2.2 mm (Center) 1.5 mm (Edge) Edge Thickness 1.5 mm Focal Length 15 mm (±0.15 mm) Center Thickness 2.2 mm Radius of Curvature 13.4 mm Substrate UV Fused Silica f-Number 2.5 (Calculated) Centration < 3' Surface Quality 40-20 scratch-dig Clear Aperture > 5.4 mm Type of Curvature Convex-Convex Back Focal Length 14.3 mm Coating Features Broadband Diameter Tolerance +0/-0.1 mm Surface Irregularity λ/4 (PV) Damage Threshold Pulsed 7.5 J/cm² (0.491 mm, 10 ns, 10 Hz, 532 nm) Refractive Index 1.46 (588 nm) Thickness Tolerance ±0.1 mm Shape Round Supplier Location New Jersey, USA See product details More from Thorlabs
Bi-Convex Lens	390 - 710 nm	Uncoated	10 mm	Contact Supplier	Add to cart to request quote
Product Code Wavelength Range 390 - 710 nm Coating Uncoated Diameter 12.5 mm Dimensions Ø 12.5 mm Thickness 7.1 mm (Center) 2 mm (Edge) Edge Thickness 2 mm Focal Length 10 mm Center Thickness 7.1 mm Substrate N-BK7 f-Number 0.8 (Calculated) Shape Round Supplier Location Netherlands See product details More from PHYSIX Photonics
Bi-Convex Lens	400 - 1200 nm	AR/Transmissive V-Coating (1064 nm)	100 mm	12 weeks	$ 186.00
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 25 mm (Outer) Dimensions Ø 25 x 10 mm Thickness 10 mm Edge Thickness 1.6 mm Focal Length 100 mm Center Thickness 2.9 mm Radius of Curvature -100 mm (S2) 100 mm (S1) Substrate Fused Silica Centration 4' Surface Quality 3x0.16 (ISO-7) Clear Aperture 21.4 mm Type of Curvature Convex-Convex Coating Features Narrowband 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-Convex Lens	725 - 1050 nm	BBAR (725 - 1050 nm)	10 mm	12 weeks	$ 157.00
Product Code Wavelength Range 725 - 1050 nm Reflection Wavelength 725 - 1050 nm Coating BBAR (725 - 1050 nm) Reflectance < 0.5% (725 - 1050 nm) Diameter 16 mm (Outer) Dimensions Ø 16 x 8 mm Thickness 8 mm Edge Thickness 1 mm Focal Length 10 mm Center Thickness 3.5 mm Radius of Curvature -10.669 mm (S2) 10.669 mm (S1) Substrate N-BAK4 Centration 10' Surface Quality 3x0.16 (ISO-7) Clear Aperture 9 mm Type of Curvature Convex-Convex Coating Features Broadband 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-Convex Lens	350 - 700 nm	BBAR (350 - 700 nm)	25 mm (±0.25 mm)	Contact Supplier	$ 53.16
Product Code Wavelength Range 350 - 700 nm Center Wavelength 633 nm Coating BBAR (350 - 700 nm) Reflectance < 0.5% (350 - 700 nm, Average) Diameter 12.7 mm (0.5") Dimensions Ø 12.7 mm (0.5") Thickness 3.4 mm (Center) 1.8 mm (Edge) Edge Thickness 1.8 mm Focal Length 25 mm (±0.25 mm) Center Thickness 3.4 mm Radius of Curvature 25.2 mm Substrate N-BK7 Centration < 3' Surface Quality 40-20 scratch-dig Type of Curvature Convex-Convex Back Focal Length 23.8 mm Coating Features Broadband Diameter Tolerance +0/-0.1 mm Surface Irregularity λ/4 Damage Threshold Pulsed 7.5 J/cm² (0.504 mm, 10 ns, 10 Hz, 532 nm) Refractive Index 1.515 (633 nm) Abbe Number 64.17 Working Distance 21.7 mm Shape Round Supplier Location New Jersey, USA See product details More from Thorlabs
Bi-Convex Lens	546.1 nm (Center Wavelength)	Uncoated	121.3 mm	6 - 12 weeks	$ 57.00
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 8 mm (Center) 2.8 mm (Edge) Edge Thickness 2.8 mm Focal Length 121.3 mm Center Thickness 8 mm Radius of Curvature 124.56 mm Substrate BK7 f-Number 2.388 (Calculated) Centration < 1' Surface Quality 20-10 scratch-dig Clear Aperture 45.72 mm Type of Curvature Convex-Convex Back Focal Length 118.6 mm Refractive Index 1.519 Weight 50 g Shape Round Supplier Location California, USA See product details More from OptoSigma
Bi-Convex Lens	310 - 2700 nm	Uncoated	75 mm	Contact Supplier	$ 26.69
Product Code Wavelength Range 310 - 2700 nm Coating Uncoated Reflectance < 0.5% (450 - 900 nm) Diameter 25 mm Dimensions Ø 25 mm Focal Length 75 mm Substrate BK7 f-Number 3 (Calculated) Centration 5' Surface Quality < 40-20 scratch-dig Type of Curvature Convex-Convex Diameter Tolerance +0/-0.1 mm Center Thickness Tolerance ±0.2 mm Edge Thickness Tolerance ±0.2 mm Shape Round Supplier Location United Kingdom; Rhode Island, USA See product details More from Knight Optical
Bi-Convex Lens	1050 - 1700 nm	BBAR (1050 - 1700 nm)	20 mm (±0.2 mm)	Contact Supplier	$ 58.80
Product Code Wavelength Range 1050 - 1700 nm Center Wavelength 633 nm Coating BBAR (1050 - 1700 nm) Reflectance < 0.5% (1050 - 1700 nm, Average) Diameter 12.7 mm (0.5") Dimensions Ø 12.7 mm (0.5") Thickness 3.9 mm (Center) 1.8 mm (Edge) Edge Thickness 1.8 mm Focal Length 20 mm (±0.2 mm) Center Thickness 3.9 mm Radius of Curvature 19.9 mm Substrate N-BK7 Centration < 3' Surface Quality 40-20 scratch-dig Type of Curvature Convex-Convex Back Focal Length 18.7 mm Coating Features Broadband Diameter Tolerance +0/-0.1 mm Surface Irregularity λ/4 Damage Threshold Pulsed 7.5 J/cm² (0.123 mm, 10 ns, 10 Hz, 1542 nm) Refractive Index 1.515 (633 nm) Abbe Number 64.17 Working Distance 16.7 mm Shape Round Supplier Location New Jersey, USA See product details More from Thorlabs
Bi-Convex Lens	725 - 1050 nm	BBAR (725 - 1050 nm)	200 mm	12 weeks	$ 188.00
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 2.2 mm (Center) 1.6 mm (Edge) Edge Thickness 1.6 mm Focal Length 200 mm Center Thickness 2.2 mm Radius of Curvature -199.53 mm (S2) 199.53 mm (S1) Substrate Fused Silica Centration 4' Surface Quality 3x0.16 (ISO-7) Type of Curvature Convex-Convex Coating Features Broadband Angle of Incidence 0° Shape Round Supplier Location Pennsylvania, USA See product details More from Excelitas
Bi-Convex Lens	310 - 2700 nm	-	300 mm (±6 × 10^-6 mm, 546 nm, Paraxial)	Contact Supplier	$ 22.00
Product Code Wavelength Range 310 - 2700 nm Diameter 12.7 mm (0.5") Dimensions Ø 12.7 mm (0.5") Thickness 2 mm (Center) 1.9 mm (Edge) Edge Thickness 1.9 mm Focal Length 300 mm (±6 × 10^-6 mm, 546 nm, Paraxial) Center Thickness 2 mm Radius of Curvature 310.9 mm Substrate BK7 f-Number 23.62 (Calculated) Centration 3' Surface Quality 40-20 scratch-dig Clear Aperture 11.43 mm Type of Curvature Convex-Convex Diameter Tolerance +0/-0.12 mm Surface Irregularity λ/8 (633 nm) Thickness Tolerance ±0.2 mm Shape Round Supplier Location Lithuania See product details More from EKSMA Optics
Bi-Convex Lens	195 - 2100 nm	Uncoated	100 mm	Contact Supplier	$ 74.31
Product Code Wavelength Range 195 - 2100 nm Coating Uncoated Diameter 12.5 mm Dimensions Ø 12.5 mm Focal Length 100 mm Substrate UV Fused Silica f-Number 8 (Calculated) Centration 5' Surface Quality < 40-20 scratch-dig Type of Curvature Convex-Convex Diameter Tolerance +0/-0.1 mm Center Thickness Tolerance ±0.2 mm Edge Thickness Tolerance ±0.2 mm Shape Round Supplier Location United Kingdom; Rhode Island, USA See product details More from Knight Optical
Bi-Convex Lens	588 nm (Center Wavelength)	Uncoated	1000 mm (±10 mm)	Contact Supplier	$ 87.89
Product Code Wavelength Range 588 nm (Center Wavelength) 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) Center Thickness 2.2 mm Radius of Curvature 919.8 mm Substrate UV Fused Silica f-Number 39.37 (Calculated) Centration < 3' Surface Quality 40-20 scratch-dig Clear Aperture > 22.86 mm Type of Curvature Convex-Convex Back Focal Length 999.3 mm Diameter Tolerance +0/-0.1 mm Surface Irregularity λ/4 Refractive Index 1.458 (588 nm) Thickness Tolerance ±0.1 mm Shape Round Supplier Location New Jersey, USA See product details More from Thorlabs
Bi-Convex Lens	400 - 1100 nm	BBAR (400 - 1100 nm)	200.7 mm (±2.007 mm)	Contact Supplier	$ 306.00
Product Code Wavelength Range 400 - 1100 nm Center Wavelength 587.6 nm Coating BBAR (400 - 1100 nm) Reflectance < 1% (400 - 1100 nm, Average, 0°) Diameter 50.8 mm (2") Dimensions Ø 50.8 mm (2") Thickness 6.5 mm (Center) 3 mm (Edge) Edge Thickness 3 mm Focal Length 200.7 mm (±2.007 mm) Center Thickness 6.5 mm Radius of Curvature 183 mm Substrate UV Fused Silica f-Number 3.951 (Calculated) Centration < 3' Surface Quality 40-20 scratch-dig Clear Aperture > 45.72 mm Type of Curvature Convex-Convex Back Focal Length 198.4 mm Coating Features Broadband Diameter Tolerance +0/-0.1 mm Surface Irregularity λ/4 (PV) λ/2 (Flatness) Damage Threshold Pulsed 7.5 J/cm² (0.456 mm, 10 ns, 10 Hz, 532 nm) 7.5 J/cm² (0.407 mm, 10 ns, 10 Hz, 1064 nm) Refractive Index 1.458 (587.6 nm) Thickness Tolerance ±0.1 mm Shape Round Supplier Location New Jersey, USA See product details More from Thorlabs
Bi-Convex Lens	600 - 1050 nm	BBAR (600 - 1050 nm)	100 mm	3 - 5 days	$ 74.50
Product Code Wavelength Range 600 - 1050 nm Coating BBAR (600 - 1050 nm) Reflectance < 0.5% (600 - 1050 nm, Average) Diameter 40 mm Dimensions Ø 40 mm Thickness 8 mm (Center) 4.04 mm (Edge) Edge Thickness 4.04 mm Focal Length 100 mm Center Thickness 8 mm Radius of Curvature 101.98 mm Substrate N-BK7 f-Number 2.5 Centration < 1' Surface Quality 40-20 scratch-dig Clear Aperture 39 mm Type of Curvature Convex-Convex Back Focal Length 97.33 mm Coating Features Broadband Diameter Tolerance ±0.025 mm Surface Irregularity λ/4 (632.8 nm, PV) Damage Threshold Pulsed 7 J/cm² (10 ns, 1064 nm) Center Thickness Tolerance ±0.1 mm Numerical Aperture 0.2 Shape Round Bevels Protective bevel as needed Supplier Location New Jersey, USA See product details More from Edmund Optics
Bi-Convex Lens	390 - 710 nm	Uncoated	325 mm	Contact Supplier	Add to cart to request quote
Product Code Wavelength Range 390 - 710 nm Coating Uncoated Diameter 50 mm Dimensions Ø 50 mm Thickness 4.9 mm (Center) 3 mm (Edge) Edge Thickness 3 mm Focal Length 325 mm Center Thickness 4.9 mm Substrate N-BK7 f-Number 6.5 (Calculated) Shape Round Supplier Location Netherlands See product details More from PHYSIX Photonics
Bi-Convex Lens	200 - 2000 nm	Uncoated	50 mm	12 weeks	$ 40.00
Product Code Wavelength Range 200 - 2000 nm Coating Uncoated Diameter 22.4 mm Dimensions Ø 22.4 mm Thickness 4.5 mm (Center) 2.1 mm (Edge) Edge Thickness 2.1 mm Focal Length 50 mm Center Thickness 4.5 mm Radius of Curvature -52.33 mm (S2) 52.33 mm (S1) Substrate N-BK7 Centration 10' Surface Quality 3x0.25 (ISO-7) Type of Curvature Convex-Convex Shape Round Supplier Location Pennsylvania, USA See product details More from Excelitas
Bi-Convex Lens	400 - 1200 nm	Uncoated	15.3 mm	6 - 12 weeks	$ 124.00
Product Code Wavelength Range 400 - 1200 nm Center Wavelength 546.1 nm Coating Uncoated Diameter 6 mm Dimensions Ø 6 mm Thickness 1.7 mm (Center) 1 mm (Edge) Edge Thickness 1 mm Focal Length 15.3 mm Center Thickness 1.7 mm Radius of Curvature 13.8 mm Substrate Synthetic Fused Silica f-Number 2.55 (Calculated) Centration < 3' Clear Aperture 5.4 mm Type of Curvature Convex-Convex Back Focal Length 14.7 mm Refractive Index 1.46 Weight 50 g Shape Round Supplier Location California, USA See product details More from OptoSigma