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	10.3 mm (±0.515 mm)	Contact Supplier	$ 9.10
Product Code Wavelength Range 350 - 1600 nm Coating Uncoated Diameter 10 mm Dimensions Ø 10 mm Focal Length 10.3 mm (±0.515 mm) f-Number 1.03 (Calculated) Substrate PMMA Clear Aperture 8.8 mm Back Focal Length 9.1 mm Type of Curvature Convex-Convex Diameter Tolerance ±0.2 mm Shape Round Supplier Location United Kingdom; Rhode Island, USA See product details More from Knight Optical
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 75 mm Dimensions Ø 75 mm Thickness 19.7 mm (Center) 3.1 mm (Edge) Edge Thickness 3.1 mm Focal Length 100 mm Center Thickness 19.7 mm f-Number 1.333 (Calculated) Substrate UV Fused Silica Shape Round Supplier Location Netherlands See product details More from PHYSIX Photonics
Bi-Convex Lens	600 - 1050 nm	BBAR (600 - 1050 nm)	80 mm	In stock	$ 45.75
Product Code Wavelength Range 600 - 1050 nm Coating BBAR (600 - 1050 nm) Reflectance < 0.5% (600 - 1050 nm, Average) Diameter 20 mm Dimensions Ø 20 mm Thickness 4 mm (Center) 2.78 mm (Edge) Edge Thickness 2.78 mm Focal Length 80 mm Center Thickness 4 mm f-Number 4 Radius of Curvature 82 mm Substrate N-BK7 Clear Aperture 19 mm Back Focal Length 78.67 mm Centration < 1' Surface Quality 40-20 scratch-dig Type of Curvature Convex-Convex Coating Features Broadband Diameter Tolerance +0/-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 0.13 Shape Round Bevels Protective bevel as needed Supplier Location New Jersey, USA See product details More from Edmund Optics
Bi-Convex Lens	1050 - 1700 nm	BBAR (1050 - 1700 nm)	30 mm (±0.3 mm)	Contact Supplier	$ 56.43
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 3.1 mm (Center) 1.8 mm (Edge) Edge Thickness 1.8 mm Focal Length 30 mm (±0.3 mm) Center Thickness 3.1 mm Radius of Curvature 30.4 mm Substrate N-BK7 Back Focal Length 28.9 mm Centration < 3' Surface Quality 40-20 scratch-dig Type of Curvature Convex-Convex 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 26.6 mm Shape Round Supplier Location New Jersey, USA See product details More from Thorlabs
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 Back Focal Length 12.64 mm Type of Curvature Convex-Convex Diameter 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	MgF₂ (400 - 700 nm)	100 mm (±1 mm)	Contact Supplier	$ 37.00
Product Code Wavelength Range 400 - 700 nm Coating MgF₂ (400 - 700 nm) Reflectance < 1.75% (400 - 700 nm, Average) Diameter 10 mm Dimensions Ø 10 mm Thickness 2.5 mm (Center) 2.26 mm (Edge) Edge Thickness 2.26 mm Focal Length 100 mm (±1 mm) Center Thickness 2.5 mm f-Number 10 Radius of Curvature 102.93 mm Substrate N-BK7 Clear Aperture 9 mm Back Focal Length 99.17 mm Centration < 1' Surface Quality 40-20 scratch-dig Type of Curvature Convex-Convex 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 ±0.05 mm Numerical Aperture 0.05 Shape Round Bevels Protective bevel as needed Supplier Location New Jersey, USA See product details More from Edmund Optics
Bi-Convex Lens	650 - 1050 nm	BBAR (650 - 1050 nm)	1003.5 mm (±10.035 mm)	2 weeks	$ 124.00
Product Code Wavelength Range 650 - 1050 nm Center Wavelength 587.6 nm Coating BBAR (650 - 1050 nm) Reflectance < 0.5% (650 - 1050 nm, Average, 0°) 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 1003.5 mm (±10.035 mm) Center Thickness 2.2 mm f-Number 39.51 (Calculated) Radius of Curvature 919.8 mm Substrate UV Fused Silica Clear Aperture > 22.86 mm Back Focal Length 1002.8 mm Centration < 3' Surface Quality 40-20 scratch-dig Type of Curvature Convex-Convex Coating Features Broadband Diameter Tolerance +0/-0.1 mm Surface Irregularity λ/4 (PV) Damage Threshold Pulsed 0.246 J/cm² (0.166 mm, 99 fs, 1 kHz, 800 nm) 7.5 J/cm² (0.133 mm, 10 ns, 10 Hz, 810 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	380 - 2500 nm	Uncoated	10 mm (±0.1 mm)	In stock	$ 30.00
Product Code Wavelength Range 380 - 2500 nm Coating Uncoated Diameter 10 mm Dimensions Ø 10 mm Thickness 3.5 mm (Center) 1.45 mm (Edge) Edge Thickness 1.45 mm Focal Length 10 mm (±0.1 mm) Center Thickness 3.5 mm f-Number 1 Radius of Curvature 12.71 mm (S1, S2) Substrate N-SF5 Clear Aperture 9 mm Back Focal Length 8.89 mm Centration < 1' Surface Quality 40-20 scratch-dig Type of Curvature Convex-Convex Diameter Tolerance +0/-0.025 mm Surface Irregularity λ/4 (632.8 nm, PV) Center Thickness Tolerance ±0.05 mm Numerical Aperture 0.5 Shape Round Bevels Protective bevel as needed Supplier Location New Jersey, USA See product details More from Edmund Optics
Bi-Convex Lens	310 - 2700 nm	-	100 mm (±2 × 10^-6 mm, 546 nm, Paraxial)	Contact Supplier	$ 41.00
Product Code Wavelength Range 310 - 2700 nm Diameter 38.1 mm Dimensions Ø 38.1 mm Thickness 6 mm (Center) 2.4 mm (Edge) Edge Thickness 2.4 mm Focal Length 100 mm (±2 × 10^-6 mm, 546 nm, Paraxial) Center Thickness 6 mm f-Number 2.625 (Calculated) Radius of Curvature 102.7 mm Substrate BK7 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	633 - 1064 nm	BBAR (633 - 1064 nm)	103.2 mm	6 - 12 weeks	$ 269.00
Product Code Wavelength Range 633 - 1064 nm Center Wavelength 546.1 nm Coating BBAR (633 - 1064 nm) Transmittance > 98.5% (Average) Diameter 80 mm Dimensions Ø 80 mm Thickness 19 mm (Center) 3 mm (Edge) Edge Thickness 3 mm Focal Length 103.2 mm Center Thickness 19 mm f-Number 1.29 (Calculated) Radius of Curvature 103.8 mm Substrate BK7 Clear Aperture 68 mm Back Focal Length 96.8 mm Centration < 1' Surface Quality 20-10 scratch-dig Type of Curvature Convex-Convex 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	350 - 1600 nm	Uncoated	11.6 mm (±0.58 mm)	Contact Supplier	$ 8.34
Product Code Wavelength Range 350 - 1600 nm Coating Uncoated Diameter 8 mm Dimensions Ø 8 mm Focal Length 11.6 mm (±0.58 mm) f-Number 1.45 (Calculated) Substrate PMMA Type of Curvature Convex-Convex Diameter 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	16 mm	12 weeks	$ 116.00
Product Code Wavelength Range 200 - 2000 nm Coating Uncoated Diameter 12.5 mm Dimensions Ø 12.5 mm Thickness 3.8 mm (Center) 1.2 mm (Edge) Edge Thickness 1.2 mm Focal Length 16 mm Center Thickness 3.8 mm Radius of Curvature -15.735 mm (S2) 15.735 mm (S1) Substrate Fused Silica Centration 4' 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	1550 nm	AR/Transmissive V-Coating (1550 nm)	40.1 mm (±0.401 mm)	In stock	$ 127.45
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 25.4 mm (1") Dimensions Ø 25.4 mm (1") Thickness 6.7 mm (Center) 2 mm (Edge) Edge Thickness 2 mm Focal Length 40.1 mm (±0.401 mm) Center Thickness 6.7 mm f-Number 1.579 (Calculated) Radius of Curvature 35.7 mm Substrate UV Fused Silica Clear Aperture > 22.86 mm Back Focal Length 37.8 mm Centration < 3' Surface Quality 20-10 scratch-dig Type of Curvature Convex-Convex 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	650 - 1050 nm	BBAR (650 - 1050 nm)	750 mm (±7.5 mm)	In stock	$ 51.98
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 2.2 mm (Center) 2 mm (Edge) Edge Thickness 2 mm Focal Length 750 mm (±7.5 mm) Center Thickness 2.2 mm Radius of Curvature 772.2 mm Substrate N-BK7 Back Focal Length 749.3 mm (29.5") Centration < 3' Surface Quality 40-20 scratch-dig Type of Curvature Convex-Convex 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 745.6 mm Shape Round Supplier Location New Jersey, USA See product details More from Thorlabs
Bi-Convex Lens	195 - 2100 nm	Uncoated	75 mm	Contact Supplier	$ 100.84
Product Code Wavelength Range 195 - 2100 nm Coating Uncoated Diameter 25 mm Dimensions Ø 25 mm Focal Length 75 mm f-Number 3 (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	390 - 710 nm	Uncoated	50 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 5.1 mm (Center) 2 mm (Edge) Edge Thickness 2 mm Focal Length 50 mm Center Thickness 5.1 mm f-Number 2 (Calculated) Substrate N-BK7 Shape Round Supplier Location Netherlands See product details More from PHYSIX Photonics
Bi-Convex Lens	400 - 700 nm	BBAR (400 - 700 nm)	251.1 mm	6 - 12 weeks	$ 120.00
Product Code Wavelength Range 400 - 700 nm Center Wavelength 546.1 nm Coating BBAR (400 - 700 nm) Transmittance > 99% (Average) Diameter 60 mm Dimensions Ø 60 mm Thickness 6.5 mm (Center) 3 mm (Edge) Edge Thickness 3 mm Focal Length 251.1 mm Center Thickness 6.5 mm f-Number 4.185 (Calculated) Radius of Curvature 259.5 mm Substrate BK7 Clear Aperture 51 mm Back Focal Length 248.9 mm Centration < 1' Surface Quality 20-10 scratch-dig Type of Curvature Convex-Convex 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	-	300 mm (±6 × 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) 2.9 mm (Edge) Edge Thickness 2.9 mm Focal Length 300 mm (±6 × 10^-6 mm, 546 nm, Paraxial) Center Thickness 5 mm f-Number 5.906 (Calculated) Radius of Curvature 310.4 mm Substrate BK7 Clear Aperture 45.72 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	450 - 700 nm	BBAR (450 - 700 nm)	20 mm	12 weeks	$ 103.00
Product Code Wavelength Range 450 - 700 nm Reflection Wavelength 450 - 700 nm Coating BBAR (450 - 700 nm) Reflectance < 0.5% (450 - 700 nm) Diameter 16 mm (Outer) Dimensions Ø 16 x 8 mm Thickness 8 mm Edge Thickness 0.9 mm Focal Length 20 mm Center Thickness 3 mm Radius of Curvature -20.097 mm (S2) 20.097 mm (S1) Substrate N-BK7 Clear Aperture 11.5 mm Centration 10' Surface Quality 3x0.16 (ISO-7) 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	725 - 1050 nm	BBAR (725 - 1050 nm)	25 mm	12 weeks	$ 241.00
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 1.6 mm Focal Length 25 mm Center Thickness 7 mm Radius of Curvature -24.406 mm (S2) 24.406 mm (S1) Substrate Fused Silica Clear Aperture 21.4 mm Centration 4' Surface Quality 3x0.16 (ISO-7) Type of Curvature Convex-Convex 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