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	350 - 1600 nm	Uncoated	17.12 mm (±0.856 mm)	Contact Supplier	$ 8.34
Product Code Wavelength Range 350 - 1600 nm Coating Uncoated Diameter 18 mm Dimensions Ø 18 mm Focal Length 17.12 mm (±0.856 mm) f-Number 0.9511 (Calculated) Substrate PMMA Clear Aperture 16 mm Type of Curvature Convex-Convex Back Focal Length 12.64 mm Diameter Tolerance ±0.2 mm Shape Round Supplier Location United Kingdom; Rhode Island, USA See product details More from Knight Optical
Bi-Convex Lens	310 - 2700 nm	-	500 mm (±1 × 10^-5 mm, 546 nm, Paraxial)	4 - 5 days	$ 23.00
Product Code Wavelength Range 310 - 2700 nm 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 500 mm (±1 × 10^-5 mm, 546 nm, Paraxial) f-Number 19.69 (Calculated) Center Thickness 4 mm Radius of Curvature 518 mm Substrate BK7 Clear Aperture 22.86 mm Centration 3' Surface Quality 40-20 scratch-dig 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	750 - 1550 nm	BBAR (750 - 1550 nm)	150.8 mm	6 - 12 weeks	$ 92.00
Product Code Wavelength Range 750 - 1550 nm Center Wavelength 546.1 nm Coating BBAR (750 - 1550 nm) Transmittance > 98.5% (Average) Diameter 40 mm Dimensions Ø 40 mm Thickness 4.6 mm (Center) 2 mm (Edge) Edge Thickness 2 mm Focal Length 150.8 mm f-Number 3.77 (Calculated) Center Thickness 4.6 mm Radius of Curvature 155.7 mm Substrate BK7 Clear Aperture 34 mm Centration < 1' Surface Quality 20-10 scratch-dig Type of Curvature Convex-Convex Back Focal Length 149.2 mm Coating Features Broadband Damage Threshold Pulsed 4 J/cm² (10 ns, 20 Hz) Refractive Index 1.519 Weight 50 g Shape Round Supplier Location California, USA See product details More from OptoSigma
Bi-Convex Lens	725 - 1050 nm	BBAR (725 - 1050 nm)	12.5 mm	12 weeks	$ 104.00
Product Code Wavelength Range 725 - 1050 nm Reflection Wavelength 725 - 1050 nm Coating BBAR (725 - 1050 nm) Reflectance < 0.5% (725 - 1050 nm) Diameter 12.5 mm Dimensions Ø 12.5 mm Thickness 4.5 mm (Center) 1 mm (Edge) Edge Thickness 1 mm Focal Length 12.5 mm Center Thickness 4.5 mm Radius of Curvature -11.971 mm (S2) 11.971 mm (S1) Substrate N-BK7 Centration 10' 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
Bestform Lens	185 - 2100 nm (Uncoated)	Uncoated	150 mm (±1.5 mm)	In stock	$ 140.00
Product Code Wavelength Range 185 - 2100 nm (Uncoated) Center Wavelength 587.6 nm Coating Uncoated Diameter 25.4 mm (1") Dimensions Ø 25.4 mm (1") Thickness 4 mm (Center) 2.8 mm (Edge) Edge Thickness 2.8 mm Focal Length 150 mm (±1.5 mm) f-Number 5.906 (Calculated) Center Thickness 4 mm Radius of Curvature -383.7 mm (S2) 83.5 mm (S1) Substrate UV Fused Silica Clear Aperture > 22.86 mm Centration < 3' Surface Quality 10-5 scratch-dig Type of Curvature Convex-Convex Back Focal Length 147.8 mm Diameter Tolerance +0/-0.1 mm Surface Irregularity < λ/4 Refractive Index 1.458 (at Design Wavelength) Shape Round Supplier Location New Jersey, USA See product details More from Thorlabs
Bi-Convex Lens	310 - 2700 nm	Uncoated	30 mm	Contact Supplier	$ 26.69
Product Code Wavelength Range 310 - 2700 nm Coating Uncoated Reflectance < 0.5% (450 - 900 nm) Diameter 22.5 mm Dimensions Ø 22.5 mm Focal Length 30 mm f-Number 1.333 (Calculated) Substrate BK7 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 - 1600 nm	Uncoated	12 mm (±0.6 mm)	Contact Supplier	$ 9.10
Product Code Wavelength Range 350 - 1600 nm Coating Uncoated Diameter 15 mm Dimensions Ø 15 mm Focal Length 12 mm (±0.6 mm) f-Number 0.8 (Calculated) Substrate PMMA Clear Aperture 13.8 mm Type of Curvature Convex-Convex Back Focal Length 8.17 mm Diameter Tolerance ±0.2 mm Shape Round Supplier Location United Kingdom; Rhode Island, USA See product details More from Knight Optical
Bi-Convex Lens	250 - 700 nm	BBAR (250 - 700 nm)	20 mm (±0.2 mm)	In stock	$ 151.00
Product Code Wavelength Range 250 - 700 nm Coating BBAR (250 - 700 nm) Reflectance < 1.5% (250 - 700 nm, Average) < 1% (350 - 450 nm, Absolute) Diameter 18 mm Dimensions Ø 18 mm Thickness 7.64 mm (Center) 2.5 mm (Edge) Edge Thickness 2.5 mm Focal Length 20 mm (±0.2 mm) f-Number 1.11 Center Thickness 7.64 mm Radius of Curvature 17.05 mm Substrate Fused Silica Clear Aperture 17 mm Centration < 1' Surface Quality 40-20 scratch-dig Type of Curvature Convex-Convex Back Focal Length 17.18 mm Coating Features Broadband Diameter Tolerance +0/-0.025 mm Surface Irregularity λ/4 (632.8 nm, PV) Damage Threshold Pulsed 3 J/cm² (10 ns, 355 nm) 5 J/cm² (10 ns, 532 nm) Center Thickness Tolerance ±0.1 mm Numerical Aperture 0.45 Shape Round Bevels Protective bevel as needed Supplier Location New Jersey, USA See product details More from Edmund Optics
Bi-Convex Lens	1064 nm (Center Wavelength)	AR/Transmissive V-Coating (1064 nm)	30 mm	12 weeks	$ 61.00
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 6.3 mm (Center) 2 mm (Edge) Edge Thickness 2 mm Focal Length 30 mm Center Thickness 6.3 mm Radius of Curvature -30.069 mm (S2) 30.069 mm (S1) Substrate N-BK7 Centration 10' Surface Quality 3x0.25 (ISO-7) Type of Curvature Convex-Convex Coating Features Narrowband Angle of Incidence 0° Shape Round Supplier Location Pennsylvania, USA See product details More from Excelitas
Bi-Convex Lens	390 - 710 nm	Uncoated	25 mm	Contact Supplier	Add to cart to request quote
Product Code Wavelength Range 390 - 710 nm Coating Uncoated Diameter 10 mm Dimensions Ø 10 mm Thickness 3.1 mm (Center) 2 mm (Edge) Edge Thickness 2 mm Focal Length 25 mm f-Number 2.5 (Calculated) Center Thickness 3.1 mm Substrate UV Fused Silica Shape Round Supplier Location Netherlands See product details More from PHYSIX Photonics
Bi-Convex Lens	195 - 2100 nm	Uncoated	25 mm (±5 × 10^-7 mm, 355 nm, Paraxial)	4 - 5 days	$ 78.00
Product Code Wavelength Range 195 - 2100 nm Coating Uncoated Diameter 25.4 mm (1") Dimensions Ø 25.4 mm (1") Thickness 10 mm (Center) 2 mm (Edge) Edge Thickness 2 mm Focal Length 25 mm (±5 × 10^-7 mm, 355 nm, Paraxial) f-Number 0.9843 (Calculated) Center Thickness 10 mm Radius of Curvature 22.1 mm Substrate UV Fused Silica Clear Aperture 22.86 mm Centration 3' Surface Quality 40-20 scratch-dig 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	750 - 1550 nm	BBAR (750 - 1550 nm)	15.6 mm	6 - 12 weeks	$ 55.00
Product Code Wavelength Range 750 - 1550 nm Center Wavelength 546.1 nm Coating BBAR (750 - 1550 nm) Transmittance > 98.5% (Average) Diameter 10 mm Dimensions Ø 10 mm Thickness 3.6 mm (Center) 2 mm (Edge) Edge Thickness 2 mm Focal Length 15.6 mm f-Number 1.56 (Calculated) Center Thickness 3.6 mm Radius of Curvature 15.57 mm Substrate BK7 Centration < 1' Type of Curvature Convex-Convex Back Focal Length 14.4 mm Coating Features Broadband Damage Threshold Pulsed 4 J/cm² (10 ns, 20 Hz) Refractive Index 1.519 Weight 50 g Shape Round Supplier Location California, USA See product details More from OptoSigma
Bi-Convex Lens	340 - 700 nm	BBAR (340 - 700 nm)	12.7 mm (0.5")	Contact Supplier	$ 53.52
Product Code Wavelength Range 340 - 700 nm Coating BBAR (340 - 700 nm) Diameter 12.7 mm (0.5") Dimensions Ø 12.7 mm (0.5") Focal Length 12.7 mm (0.5") f-Number 1 (Calculated) Substrate UV Fused Silica Centration 5' Surface Quality < 40-20 scratch-dig Type of Curvature Convex-Convex Coating Features Broadband 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	200 - 2000 nm	Uncoated	20 mm	6 weeks	$ 38.00
Product Code Wavelength Range 200 - 2000 nm Coating Uncoated Diameter 22.4 mm Dimensions Ø 22.4 mm Thickness 8.8 mm (Center) 1.6 mm (Edge) Edge Thickness 1.6 mm Focal Length 20 mm Center Thickness 8.8 mm Radius of Curvature -19.248 mm (S2) 19.248 mm (S1) Substrate N-BK7 Clear Aperture 21 mm 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	425 - 675 nm	BBAR (425 - 675 nm)	50 mm (±0.5 mm)	In stock	$ 42.00
Product Code Wavelength Range 425 - 675 nm Coating BBAR (425 - 675 nm) Reflectance < 0.4% (425 - 675 nm, Average) Diameter 10 mm Dimensions Ø 10 mm Thickness 2.5 mm (Center) 2.01 mm (Edge) Edge Thickness 2.01 mm Focal Length 50 mm (±0.5 mm) f-Number 5 Center Thickness 2.5 mm Radius of Curvature 51.25 mm Substrate N-BK7 Clear Aperture 9 mm Centration < 1' Surface Quality 40-20 scratch-dig Type of Curvature Convex-Convex Back Focal Length 49.17 mm Coating Features Broadband Diameter Tolerance +0/-0.025 mm Surface Irregularity λ/4 (632.8 nm, PV) Damage Threshold Pulsed 5 J/cm² (10 ns, 532 nm) Center Thickness Tolerance ±0.05 mm Numerical Aperture 0.1 Shape Round Bevels Protective bevel as needed Supplier Location New Jersey, USA See product details More from Edmund Optics
Bi-Convex Lens	450 - 700 nm	BBAR (450 - 700 nm)	5 mm	12 weeks	$ 58.00
Product Code Wavelength Range 450 - 700 nm Reflection Wavelength 450 - 700 nm Coating BBAR (450 - 700 nm) Reflectance < 0.5% (450 - 700 nm) Diameter 6 mm Dimensions Ø 6 mm Thickness 2.9 mm (Center) 0.9 mm (Edge) Edge Thickness 0.9 mm Focal Length 5 mm Center Thickness 2.9 mm Radius of Curvature -5.085 mm (S2) 5.085 mm (S1) Substrate N-BAK4 Centration 10' Surface Quality 3x0.1 (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	390 - 710 nm	Uncoated	25 mm	Contact Supplier	Add to cart to request quote
Product Code Wavelength Range 390 - 710 nm Coating Uncoated Diameter 15 mm Dimensions Ø 15 mm Thickness 4.6 mm (Center) 2 mm (Edge) Edge Thickness 2 mm Focal Length 25 mm f-Number 1.667 (Calculated) Center Thickness 4.6 mm Substrate UV Fused Silica Shape Round Supplier Location Netherlands See product details More from PHYSIX Photonics
Bi-Convex Lens	1050 - 1700 nm	BBAR (1050 - 1700 nm)	150.5 mm (±1.505 mm)	In stock	$ 316.00
Product Code Wavelength Range 1050 - 1700 nm Center Wavelength 587.6 nm Coating BBAR (1050 - 1700 nm) Reflectance < 0.5% (1050 - 1700 nm, Average, 0°) Diameter 50.8 mm (2") Dimensions Ø 50.8 mm (2") Thickness 7.8 mm (Center) 3 mm (Edge) Edge Thickness 3 mm Focal Length 150.5 mm (±1.505 mm) f-Number 2.963 (Calculated) Center Thickness 7.8 mm Radius of Curvature 136.8 mm Substrate UV Fused Silica Clear Aperture > 45.72 mm Centration < 3' Surface Quality 40-20 scratch-dig Type of Curvature Convex-Convex Back Focal Length 147.8 mm Coating Features Broadband Diameter Tolerance +0/-0.1 mm Surface Irregularity λ/4 (PV) Damage Threshold Pulsed 7.5 J/cm² (0.189 mm, 10 ns, 10 Hz, 1542 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	195 - 2100 nm	Uncoated	400 mm (±8 × 10^-6 mm, 355 nm, Paraxial)	4 - 5 days	$ 126.00
Product Code Wavelength Range 195 - 2100 nm Coating Uncoated Diameter 38.1 mm Dimensions Ø 38.1 mm Thickness 5 mm (Center) 4 mm (Edge) Edge Thickness 4 mm Focal Length 400 mm (±8 × 10^-6 mm, 355 nm, Paraxial) f-Number 10.5 (Calculated) Center Thickness 5 mm Radius of Curvature 380.1 mm Substrate UV Fused Silica Clear Aperture 34.29 mm Centration 3' Surface Quality 40-20 scratch-dig 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	400 - 1200 nm	Uncoated	80.4 mm	2 weeks	$ 63.00
Product Code Wavelength Range 400 - 1200 nm Center Wavelength 546.1 nm Coating Uncoated Diameter 10 mm Dimensions Ø 10 mm Thickness 2.3 mm (Center) 2 mm (Edge) Edge Thickness 2 mm Focal Length 80.4 mm f-Number 8.04 (Calculated) Center Thickness 2.3 mm Radius of Curvature 73.6 mm Substrate Synthetic Fused Silica Clear Aperture 9 mm Centration < 1' Type of Curvature Convex-Convex Back Focal Length 79.6 mm Refractive Index 1.46 Weight 50 g Shape Round Supplier Location California, USA See product details More from OptoSigma