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	310 - 2700 nm	Uncoated	25 mm	Contact Supplier	$ 24.39
Product Code Wavelength Range 310 - 2700 nm Coating Uncoated Reflectance < 0.5% (450 - 900 nm) Diameter 12.5 mm Dimensions Ø 12.5 mm Focal Length 25 mm f-Number 2 (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 Type of Curvature Convex-Convex Clear Aperture 13.8 mm 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	1064 nm (Center Wavelength)	AR/Transmissive V-Coating (1064 nm)	12.5 mm	12 weeks	$ 53.00
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 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 Radius of Curvature -11.971 mm (S2) 11.971 mm (S1) Substrate N-BK7 Center Thickness 4.5 mm Centration 10' Surface Quality 3x0.16 (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	200 - 2200 nm	Uncoated	27 mm (±0.27 mm)	In stock	$ 115.00
Product Code Wavelength Range 200 - 2200 nm Coating Uncoated Diameter 9 mm Dimensions Ø 9 mm Thickness 2.5 mm (Center) 1.66 mm (Edge) Edge Thickness 1.66 mm Focal Length 27 mm (±0.27 mm) f-Number 3 Radius of Curvature 24.36 mm Substrate Fused Silica Center Thickness 2.5 mm Centration < 1' Surface Quality 40-20 scratch-dig Type of Curvature Convex-Convex Clear Aperture 8.1 mm Back Focal Length 26.13 mm Diameter Tolerance +0/-0.025 mm Surface Irregularity λ/4 (632.8 nm, PV) Center Thickness Tolerance ±0.05 mm Numerical Aperture 0.17 Shape Round Bevels Protective bevel as needed Supplier Location New Jersey, USA See product details More from Edmund Optics
Bi-Convex Lens	400 - 1200 nm	Uncoated	60.4 mm	2 weeks	$ 68.00
Product Code Wavelength Range 400 - 1200 nm Center Wavelength 546.1 nm Coating Uncoated Diameter 10 mm Dimensions Ø 10 mm Thickness 2.5 mm (Center) 2 mm (Edge) Edge Thickness 2 mm Focal Length 60.4 mm f-Number 6.04 (Calculated) Radius of Curvature 55.2 mm Substrate Synthetic Fused Silica Center Thickness 2.5 mm Centration < 1' Type of Curvature Convex-Convex Clear Aperture 9 mm Back Focal Length 59.6 mm Refractive Index 1.46 Weight 50 g Shape Round Supplier Location California, USA See product details More from OptoSigma
Bi-Convex Lens	310 - 2700 nm	Uncoated	15 mm	Contact Supplier	$ 24.39
Product Code Wavelength Range 310 - 2700 nm Coating Uncoated Reflectance < 0.5% (450 - 900 nm) Diameter 12.5 mm Dimensions Ø 12.5 mm Focal Length 15 mm f-Number 1.2 (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	195 - 2100 nm	Uncoated	100 mm	Contact Supplier	$ 100.84
Product Code Wavelength Range 195 - 2100 nm Coating Uncoated Diameter 25 mm Dimensions Ø 25 mm Focal Length 100 mm f-Number 4 (Calculated) Substrate UV Fused Silica 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	633 - 1064 nm	BBAR (633 - 1064 nm)	50.4 mm	6 - 12 weeks	$ 51.00
Product Code Wavelength Range 633 - 1064 nm Center Wavelength 546.1 nm Coating BBAR (633 - 1064 nm) Transmittance > 98.5% (Average) Diameter 10 mm Dimensions Ø 10 mm Thickness 2.5 mm (Center) 2 mm (Edge) Edge Thickness 2 mm Focal Length 50.4 mm f-Number 5.04 (Calculated) Radius of Curvature 51.9 mm Substrate BK7 Center Thickness 2.5 mm Centration < 1' Type of Curvature Convex-Convex Back Focal Length 49.6 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	310 - 2700 nm	-	200 mm (±4 × 10^-6 mm, 546 nm, Paraxial)	4 - 5 days	$ 52.00
Product Code Wavelength Range 310 - 2700 nm Diameter 50.8 mm (2") Dimensions Ø 50.8 mm (2") Thickness 5 mm (Center) 1.9 mm (Edge) Edge Thickness 1.9 mm Focal Length 200 mm (±4 × 10^-6 mm, 546 nm, Paraxial) f-Number 3.937 (Calculated) Radius of Curvature 206.6 mm Substrate BK7 Center Thickness 5 mm Centration 3' Surface Quality 40-20 scratch-dig Type of Curvature Convex-Convex Clear Aperture 45.72 mm 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	350 - 2000 nm (Uncoated)	Uncoated	150 mm (±1.5 mm)	2 weeks	$ 40.09
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 7.2 mm (Center) 3 mm (Edge) Edge Thickness 3 mm Focal Length 150 mm (±1.5 mm) f-Number 2.953 (Calculated) Radius of Curvature 153.3 mm Substrate N-BK7 Center Thickness 7.2 mm Centration < 3' Surface Quality 40-20 scratch-dig Type of Curvature Convex-Convex Clear Aperture > 45.72 mm Back Focal Length 147.6 mm Diameter Tolerance +0/-0.1 mm Surface Irregularity λ/4 Refractive Index 1.517 (587.6 nm) Abbe Number 64.17 Shape Round Supplier Location New Jersey, USA See product details More from Thorlabs
Bi-Convex Lens	200 - 2000 nm	Uncoated	5 mm	In stock	$ 39.00
Product Code Wavelength Range 200 - 2000 nm Coating Uncoated 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 Radius of Curvature -5.085 mm (S2) 5.085 mm (S1) Substrate N-BAK4 Center Thickness 2.9 mm Centration 10' Surface Quality 3x0.1 (ISO-7) Type of Curvature Convex-Convex Shape Round Supplier Location Pennsylvania, USA See product details More from Excelitas
Bi-Convex Lens	350 - 2200 nm	Uncoated	25 mm (±0.25 mm)	In stock	$ 30.00
Product Code Wavelength Range 350 - 2200 nm Coating Uncoated Diameter 10 mm Dimensions Ø 10 mm Thickness 2.5 mm (Center) 1.51 mm (Edge) Edge Thickness 1.51 mm Focal Length 25 mm (±0.25 mm) f-Number 2.5 Radius of Curvature 25.41 mm (S1, S2) Substrate N-BK7 Center Thickness 2.5 mm Centration < 1' Surface Quality 40-20 scratch-dig Type of Curvature Convex-Convex Clear Aperture 9 mm Back Focal Length 24.16 mm Diameter Tolerance +0/-0.025 mm Surface Irregularity λ/4 (632.8 nm, PV) Center Thickness Tolerance ±0.05 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	1550 nm	AR/Transmissive V-Coating (1550 nm)	501.8 mm (±5.018 mm)	In stock	$ 300.00
Product Code Wavelength Range 1550 nm Center Wavelength 587.6 nm Reflection Wavelength 1550 nm Coating AR/Transmissive V-Coating (1550 nm) Reflectance 0.25% (1550 nm, 0°) Diameter 50.8 mm (2") Dimensions Ø 50.8 mm (2") Thickness 4.4 mm (Center) 3 mm (Edge) Edge Thickness 3 mm Focal Length 501.8 mm (±5.018 mm) f-Number 9.878 (Calculated) Radius of Curvature 459.4 mm Substrate UV Fused Silica Center Thickness 4.4 mm Centration < 3' Surface Quality 20-10 scratch-dig Type of Curvature Convex-Convex Clear Aperture > 45.72 mm Back Focal Length 500.2 mm Coating Features Narrowband Diameter Tolerance +0/-0.1 mm Surface Irregularity < λ/4 (PV) Damage Threshold Pulsed 10 J/cm² (0.124 mm, 10 ns, 10 Hz, 1542 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	400 - 700 nm	MgF₂ (400 - 700 nm)	25 mm (±0.25 mm)	In stock	$ 37.50
Product Code Wavelength Range 400 - 700 nm Coating MgF₂ (400 - 700 nm) Reflectance < 1.75% (400 - 700 nm, Average) Diameter 15 mm Dimensions Ø 15 mm Thickness 3.5 mm (Center) 1.22 mm (Edge) Edge Thickness 1.22 mm Focal Length 25 mm (±0.25 mm) f-Number 1.67 Radius of Curvature 25.23 mm Substrate N-BK7 Center Thickness 3.5 mm Centration < 1' Surface Quality 40-20 scratch-dig Type of Curvature Convex-Convex Clear Aperture 14 mm Back Focal Length 23.82 mm Coating Features Broadband Diameter Tolerance +0/-0.025 mm Surface Irregularity λ/4 (632.8 nm, PV) Damage Threshold Pulsed 10 J/cm² (10 ns, 532 nm) Center Thickness Tolerance ±0.1 mm Numerical Aperture 0.3 Shape Round Bevels Protective bevel as needed Supplier Location New Jersey, USA See product details More from Edmund Optics
Bi-Convex Lens	200 - 2000 nm	Uncoated	5 mm	12 weeks	$ 88.00
Product Code Wavelength Range 200 - 2000 nm Coating Uncoated Diameter 6 mm Dimensions Ø 6 mm Thickness 3 mm (Center) 1 mm (Edge) Edge Thickness 1 mm Focal Length 5 mm Radius of Curvature -5.012 mm (S2) 5.012 mm (S1) Substrate Fused Silica Center Thickness 3 mm Centration 4' Surface Quality 3x0.063 (ISO-7) Type of Curvature Convex-Convex Shape Round Supplier Location Pennsylvania, USA See product details More from Excelitas
Bi-Convex Lens	310 - 2700 nm	-	150 mm (±3 × 10^-6 mm, 546 nm, Paraxial)	4 - 5 days	$ 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) 1.7 mm (Edge) Edge Thickness 1.7 mm Focal Length 150 mm (±3 × 10^-6 mm, 546 nm, Paraxial) f-Number 11.81 (Calculated) Radius of Curvature 155.3 mm Substrate BK7 Center Thickness 2 mm Centration 3' Surface Quality 40-20 scratch-dig Type of Curvature Convex-Convex Clear Aperture 11.43 mm 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	340 - 700 nm	BBAR (340 - 700 nm)	9 mm	Contact Supplier	$ 53.52
Product Code Wavelength Range 340 - 700 nm Coating BBAR (340 - 700 nm) Diameter 6 mm Dimensions Ø 6 mm Focal Length 9 mm f-Number 1.5 (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	400 - 700 nm	BBAR (400 - 700 nm)	60.8 mm	6 - 12 weeks	$ 75.00
Product Code Wavelength Range 400 - 700 nm Center Wavelength 546.1 nm Coating BBAR (400 - 700 nm) Transmittance > 99% (Average) Diameter 25 mm Dimensions Ø 25 mm Thickness 4.5 mm (Center) 2 mm (Edge) Edge Thickness 2 mm Focal Length 60.8 mm f-Number 2.432 (Calculated) Radius of Curvature 62.28 mm Substrate BK7 Center Thickness 4.5 mm Centration < 1' Surface Quality 20-10 scratch-dig Type of Curvature Convex-Convex Clear Aperture 21.25 mm Back Focal Length 59.2 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	400 - 1100 nm	BBAR (400 - 1100 nm)	39.9 mm (±0.399 mm)	In stock	$ 42.00
Product Code Wavelength Range 400 - 1100 nm Center Wavelength 587.6 nm Coating BBAR (400 - 1100 nm) Reflectance < 1% (400 - 1100 nm, Average) Diameter 25.4 mm (1") Dimensions Ø 25.4 mm (1") Thickness 6.1 mm (Center) 2 mm (Edge) Edge Thickness 2 mm Focal Length 39.9 mm (±0.399 mm) f-Number 1.571 (Calculated) Radius of Curvature 40.1 mm Substrate N-BK7 Center Thickness 6.1 mm Centration < 3' Surface Quality 40-20 scratch-dig Type of Curvature Convex-Convex Clear Aperture > 22.86 mm Back Focal Length 37.8 mm Coating Features Broadband Diameter Tolerance +0/-0.1 mm Surface Irregularity λ/4 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 1.517 (587.6 nm) Abbe Number 64.17 Shape Round Supplier Location New Jersey, USA See product details More from Thorlabs
Bi-Convex Lens	390 - 710 nm	Uncoated	100 mm	Contact Supplier	Add to cart to request quote
Product Code Wavelength Range 390 - 710 nm Coating Uncoated Diameter 25 mm Dimensions Ø 25 mm Thickness 3.5 mm (Center) 2 mm (Edge) Edge Thickness 2 mm Focal Length 100 mm f-Number 4 (Calculated) Substrate N-BK7 Center Thickness 3.5 mm Shape Round Supplier Location Netherlands See product details More from PHYSIX Photonics