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	400 - 1200 nm	AR/Transmissive V-Coating (1064 nm)	40 mm	14 weeks	$ 183.00
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 31.5 mm Dimensions Ø 31.5 mm Thickness 8.6 mm (Center) 2 mm (Edge) Edge Thickness 2 mm Focal Length 40 mm Radius of Curvature -39.243 mm (S2) 39.243 mm (S1) Center Thickness 8.6 mm Substrate Fused Silica Centration 3' 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 - 2000 nm	Uncoated	100 mm	12 weeks	$ 40.00
Product Code Wavelength Range 200 - 2000 nm Coating Uncoated Diameter 22.4 mm Dimensions Ø 22.4 mm Thickness 3.5 mm (Center) 2.3 mm (Edge) Edge Thickness 2.3 mm Focal Length 100 mm Radius of Curvature -104.41 mm (S2) 104.41 mm (S1) Center Thickness 3.5 mm Substrate N-BK7 Clear Aperture 20 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	350 - 700 nm	BBAR (350 - 700 nm)	75 mm (±0.75 mm)	In stock	$ 54.36
Product Code Wavelength Range 350 - 700 nm Center Wavelength 633 nm Coating BBAR (350 - 700 nm) Reflectance < 0.5% (350 - 700 nm, Average) Diameter 25.4 mm (1") Dimensions Ø 25.4 mm (1") Thickness 4.1 mm (Center) 2 mm (Edge) Edge Thickness 2 mm Focal Length 75 mm (±0.75 mm) Radius of Curvature 76.6 mm Center Thickness 4.1 mm Substrate N-BK7 Centration < 3' Back Focal Length 73.6 mm 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 (0.504 mm, 10 ns, 10 Hz, 532 nm) Refractive Index 1.515 (633 nm) Abbe Number 64.17 Working Distance 70.7 mm Shape Round Supplier Location New Jersey, USA See product details More from Thorlabs
Bi-Convex Lens	400 - 1100 nm	BBAR (400 - 1100 nm)	174.4 mm (±1.744 mm)	In stock	$ 58.00
Product Code Wavelength Range 400 - 1100 nm Center Wavelength 587.6 nm Coating BBAR (400 - 1100 nm) Reflectance < 1% (400 - 1100 nm, Average) Diameter 50.8 mm (2") Dimensions Ø 50.8 mm (2") Thickness 6.6 mm (Center) 3 mm (Edge) Edge Thickness 3 mm Focal Length 174.4 mm (±1.744 mm) Radius of Curvature 179.1 mm Center Thickness 6.6 mm f-Number 3.433 (Calculated) Substrate N-BK7 Clear Aperture > 45.72 mm Centration < 3' Back Focal Length 172.2 mm 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 (0.456 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	425 - 675 nm	BBAR (425 - 675 nm)	40 mm (±0.4 mm)	In stock	$ 55.50
Product Code Wavelength Range 425 - 675 nm Coating BBAR (425 - 675 nm) Reflectance < 0.4% (425 - 675 nm, Average) Diameter 20 mm Dimensions Ø 20 mm Thickness 5.3 mm (Center) 2.8 mm (Edge) Edge Thickness 2.8 mm Focal Length 40 mm (±0.4 mm) Radius of Curvature 40.67 mm Center Thickness 5.3 mm f-Number 2 Substrate N-BK7 Clear Aperture 19 mm Centration < 1' Back Focal Length 38.44 mm Surface Quality 40-20 scratch-dig Type of Curvature Convex-Convex Coating Features Broadband Diameter Tolerance ±0.025 mm Surface Irregularity λ/4 (632.8 nm, PV) Damage Threshold Pulsed 5 J/cm² (10 ns, 532 nm) Center Thickness Tolerance ±0.1 mm Numerical Aperture 0.25 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	151.3 mm	In stock	$ 195.00
Product Code Wavelength Range 400 - 1200 nm Center Wavelength 546.1 nm Coating Uncoated Diameter 50.8 mm (2") Dimensions Ø 50.8 mm (2") Thickness 7.6 mm (Center) 2.9 mm (Edge) Edge Thickness 2.9 mm Focal Length 151.3 mm Radius of Curvature 138 mm Center Thickness 7.6 mm f-Number 2.978 (Calculated) Substrate Synthetic Fused Silica Clear Aperture 45.72 mm Centration < 1' Back Focal Length 148.7 mm Surface Quality 20-10 scratch-dig Type of Curvature Convex-Convex Refractive Index 1.46 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)	30 mm	12 weeks	$ 111.00
Product Code Wavelength Range 725 - 1050 nm Reflection Wavelength 725 - 1050 nm Coating BBAR (725 - 1050 nm) Reflectance < 0.5% (725 - 1050 nm) Diameter 25.4 mm (1") Dimensions Ø 25.4 mm (1") Thickness 7 mm (Center) 1.4 mm (Edge) Edge Thickness 1.4 mm Focal Length 30 mm Radius of Curvature -30.069 mm (S2) 30.069 mm (S1) Center Thickness 7 mm Substrate N-BK7 Surface Quality 3x0.25 (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	650 - 1050 nm	BBAR (650 - 1050 nm)	50 mm (±0.5 mm)	In stock	$ 62.67
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 6.5 mm (Center) 3.2 mm (Edge) Edge Thickness 3.2 mm Focal Length 50 mm (±0.5 mm) Radius of Curvature -172 mm (S2) 30.06 mm (S1) Center Thickness 6.5 mm f-Number 1.969 (Calculated) Substrate N-BK7 Clear Aperture > 22.86 mm Centration < 3' Back Focal Length 46.4 mm Surface Quality 20-10 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 1.5167 (at Design Wavelength) Shape Round Supplier Location New Jersey, USA See product details More from Thorlabs
Bi-Convex Lens	750 - 1550 nm	BBAR (750 - 1550 nm)	100.4 mm	6 - 12 weeks	$ 52.00
Product Code Wavelength Range 750 - 1550 nm Center Wavelength 546.1 nm Coating BBAR (750 - 1550 nm) Transmittance > 98.5% (Average) Diameter 15 mm Dimensions Ø 15 mm Thickness 2.5 mm (Center) 2 mm (Edge) Edge Thickness 2 mm Focal Length 100.4 mm Radius of Curvature 103.8 mm Center Thickness 2.5 mm f-Number 6.693 (Calculated) Substrate BK7 Centration < 1' Back Focal Length 99.6 mm 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	425 - 675 nm	BBAR (425 - 675 nm)	100 mm (±1 mm)	3 - 5 days	$ 52.00
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) 2.26 mm (Edge) Edge Thickness 2.26 mm Focal Length 100 mm (±1 mm) Radius of Curvature 102.93 mm Center Thickness 2.5 mm f-Number 10 Substrate N-BK7 Clear Aperture 9 mm Centration < 1' Back Focal Length 99.17 mm Surface Quality 40-20 scratch-dig Type of Curvature Convex-Convex Coating Features Broadband Diameter Tolerance ±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 0.05 Shape Round Bevels Protective bevel as needed Supplier Location New Jersey, USA See product details More from Edmund Optics
Bi-Convex Lens	725 - 1050 nm	BBAR (725 - 1050 nm)	50 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 4.2 mm (Center) 1.6 mm (Edge) Edge Thickness 1.6 mm Focal Length 50 mm Radius of Curvature -49.403 mm (S2) 49.403 mm (S1) Center Thickness 4.2 mm 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	400 - 1000 nm	BBAR (400 - 1000 nm)	80 mm (±0.8 mm)	In stock	$ 49.25
Product Code Wavelength Range 400 - 1000 nm Coating BBAR (400 - 1000 nm) Reflectance < 1.25% (400 - 870 nm, Average) < 1.25% (890 - 1000 nm, Average) < 0.25% (880 nm, Absolute) Diameter 20 mm Dimensions Ø 20 mm Thickness 4 mm (Center) 2.78 mm (Edge) Edge Thickness 2.78 mm Focal Length 80 mm (±0.8 mm) Radius of Curvature 82 mm Center Thickness 4 mm f-Number 4 Substrate N-BK7 Clear Aperture 19 mm Centration < 1' Back Focal Length 78.67 mm 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 5 J/cm² (10 ns, 532 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	350 - 1600 nm	Uncoated	8.15 mm (±0.4075 mm)	Contact Supplier	$ 8.34
Product Code Wavelength Range 350 - 1600 nm Coating Uncoated Diameter 5.3 mm Dimensions Ø 5.3 mm Focal Length 8.15 mm (±0.4075 mm) f-Number 1.538 (Calculated) Substrate PMMA Clear Aperture 3.05 mm Back Focal Length 7.5 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	1050 - 1700 nm	BBAR (1050 - 1700 nm)	100 mm (±1 mm)	2 weeks	$ 39.50
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 2.2 mm (Center) 1.8 mm (Edge) Edge Thickness 1.8 mm Focal Length 100 mm (±1 mm) Radius of Curvature 102.6 mm Center Thickness 2.2 mm f-Number 7.874 (Calculated) Substrate N-BK7 Clear Aperture > 11.43 mm Centration < 3' Back Focal Length 99.3 mm 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 Shape Round Supplier Location New Jersey, USA See product details More from Thorlabs
Bi-Convex Lens	350 - 700 nm	BBAR (350 - 700 nm)	45 mm (±0.45 mm)	3 - 5 days	$ 54.50
Product Code Wavelength Range 350 - 700 nm Coating BBAR (350 - 700 nm) Reflectance < 0.5% (350 - 700 nm, Average) Diameter 9 mm Dimensions Ø 9 mm Thickness 2.5 mm (Center) 2.06 mm (Edge) Edge Thickness 2.06 mm Focal Length 45 mm (±0.45 mm) Radius of Curvature 46.08 mm Center Thickness 2.5 mm f-Number 5 Substrate N-BK7 Clear Aperture 8.1 mm Centration < 1' Back Focal Length 44.17 mm 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) 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	310 - 2700 nm	Uncoated	100 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 100 mm f-Number 4 (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	1010 - 1050 nm	AR/Transmissive V-Coating (1030 nm) BBAR (1010 - 1050 nm) AR/Transmissive V-Coating (1030 nm) (Rear) BBAR (1010 - 1050 nm) (Rear)	300 mm (±1.5 mm, 546 nm)	In stock	$ 88.46
Product Code Manufacturer Optoman Wavelength Range 1010 - 1050 nm Center Wavelength 1010 - 1050 nm Reflection Wavelength 1010 - 1050 nm 1030 nm Coating AR/Transmissive V-Coating (1030 nm) BBAR (1010 - 1050 nm) AR/Transmissive V-Coating (1030 nm) (Rear) BBAR (1010 - 1050 nm) (Rear) Coating Method Ion Beam Sputtering (Front) Ion Beam Sputtering (Rear) Reflectance 0.1% (1010 - 1050 nm) 0.05% (1030 nm) Diameter 12.7 mm (0.5") Dimensions Ø 12.7 mm (0.5") Thickness 3 mm (Edge) Edge Thickness 3 mm Focal Length 300 mm (±1.5 mm, 546 nm) f-Number 23.62 (Calculated) Substrate UV Fused Silica Clear Aperture 10 mm (Minimum) Centration < 3' Surface Quality 20-10 scratch-dig (S1, S2) Type of Curvature Convex-Convex Coating Features Broadband, Narrowband Diameter Tolerance +0/-0.1 mm Surface Irregularity < λ/8 (633 nm) Edge Thickness Tolerance ±0.1 mm Chamfer 0.1 - 0.3 mm (45°) Shape Round Supplier Location Lithuania See product details More from OPTOSHOP
Bi-Convex Lens	400 - 700 nm	MgF₂ (400 - 700 nm)	5 mm (±0.05 mm)	In stock	$ 46.25
Product Code Wavelength Range 400 - 700 nm Coating MgF₂ (400 - 700 nm) Reflectance < 1.75% (400 - 700 nm, Average) Diameter 5 mm Dimensions Ø 5 mm Thickness 2.5 mm (Center) 1.44 mm (Edge) Edge Thickness 1.44 mm Focal Length 5 mm (±0.05 mm) Radius of Curvature 6.18 mm Center Thickness 2.5 mm f-Number 1 Substrate N-SF5 Clear Aperture 4.5 mm Centration 30 - 45' Back Focal Length 4.19 mm 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 0.5 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	-	250 mm (±5 × 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) 1.8 mm (Edge) Edge Thickness 1.8 mm Focal Length 250 mm (±5 × 10^-6 mm, 546 nm, Paraxial) Radius of Curvature 259 mm Center Thickness 2 mm f-Number 19.69 (Calculated) Substrate BK7 Clear Aperture 11.43 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	AR/Transmissive V-Coating (1064 nm)	100 mm	12 weeks	$ 236.00
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 35 mm (Outer) Dimensions Ø 35 x 16 mm Thickness 16 mm Edge Thickness 2 mm Focal Length 100 mm Radius of Curvature -101.092 mm (S2) 101.092 mm (S1) Center Thickness 4.5 mm Substrate Fused Silica Clear Aperture 30 mm Centration 3' Surface Quality 3x0.16 (ISO-7) Type of Curvature Convex-Convex Coating Features Narrowband Angle of Incidence 0° Mount Non-Threaded Mount, 35 mm Length 16 mm Shape Round Supplier Location Pennsylvania, USA See product details More from Excelitas