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	587.6 nm (Center Wavelength)	-	301.1 mm (±3.011 mm)	In stock	$ 300.00
Product Code Wavelength Range 587.6 nm (Center Wavelength) Center Wavelength 587.6 nm Reflection Wavelength 532 nm Reflectance 0.25% (532 nm, 0°) Diameter 50.8 mm (2") Dimensions Ø 50.8 mm (2") Thickness 5.4 mm (Center) 3 mm (Edge) Edge Thickness 3 mm Focal Length 301.1 mm (±3.011 mm) f-Number 5.927 (Calculated) Center Thickness 5.4 mm Radius of Curvature 275.2 mm Back Focal Length 299.2 mm Clear Aperture > 45.72 mm Substrate UV Fused Silica Centration < 3' Surface Quality 20-10 scratch-dig Type of Curvature Convex-Convex Damage Threshold Pulsed 10 J/cm² (0.359 mm, 10 ns, 10 Hz, 532 nm) Diameter Tolerance +0/-0.1 mm Surface Irregularity < λ/4 (PV) 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	350 - 2200 nm	BBAR (500 - 1100 nm)	9 mm (±0.09 mm)	In stock	$ 67.00
Product Code Wavelength Range 350 - 2200 nm Coating BBAR (500 - 1100 nm) Reflectance < 1% (500 - 1100 nm, Average) < 0.25% (532 nm, Absolute) < 0.25% (1064 nm, Absolute) Diameter 3 mm Dimensions Ø 3 mm Thickness 1.6 mm (Center) 1.35 mm (Edge) Edge Thickness 1.35 mm Focal Length 9 mm (±0.09 mm) f-Number 3 Center Thickness 1.6 mm Radius of Curvature 9.02 mm Back Focal Length 8.46 mm Clear Aperture 2.5 mm Substrate N-BK7 Centration < 3' Surface Quality 20-10 scratch-dig Type of Curvature Convex-Convex Damage Threshold Pulsed 5 J/cm² (10 ns, 532 nm) 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 0.17 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)	75.3 mm (±0.753 mm)	Contact Supplier	$ 357.00
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 50.8 mm (2") Dimensions Ø 50.8 mm (2") Thickness 12.5 mm (Center) 2.5 mm (Edge) Edge Thickness 2.5 mm Focal Length 75.3 mm (±0.753 mm) f-Number 1.482 (Calculated) Center Thickness 12.5 mm Radius of Curvature 67 mm Back Focal Length 70.8 mm Clear Aperture > 45.72 mm Substrate UV Fused Silica Centration < 3' Surface Quality 40-20 scratch-dig Type of Curvature Convex-Convex 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) Coating Features Broadband Diameter Tolerance +0/-0.1 mm Surface Irregularity λ/4 (PV) 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	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	350 - 2200 nm	BBAR (500 - 1100 nm)	40 mm (±0.4 mm)	Contact Supplier	$ 49.25
Product Code Wavelength Range 350 - 2200 nm Coating BBAR (500 - 1100 nm) Reflectance < 1% (500 - 1100 nm, Average) < 0.25% (532 nm, Absolute) < 0.25% (1064 nm, Absolute) 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) f-Number 2 Center Thickness 5.3 mm Radius of Curvature 40.67 mm Back Focal Length 38.44 mm Clear Aperture 19 mm Substrate N-BK7 Centration < 1' Surface Quality 40-20 scratch-dig Type of Curvature Convex-Convex Damage Threshold Pulsed 5 J/cm² (10 ns, 532 nm) Coating Features Broadband Diameter Tolerance +0/-0.025 mm Surface Irregularity λ/4 (632.8 nm, PV) 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	633 - 1064 nm	BBAR (633 - 1064 nm)	25.2 mm	6 - 12 weeks	$ 70.00
Product Code Wavelength Range 633 - 1064 nm Center Wavelength 546.1 nm Coating BBAR (633 - 1064 nm) Transmittance > 98.5% (Average) Diameter 5 mm Dimensions Ø 5 mm Thickness 1.3 mm (Center) 1.1 mm (Edge) Edge Thickness 1.1 mm Focal Length 25.2 mm f-Number 5.04 (Calculated) Center Thickness 1.3 mm Radius of Curvature 25.95 mm Back Focal Length 24.8 mm Substrate BK7 Centration < 3' Type of Curvature Convex-Convex Damage Threshold Pulsed 4 J/cm² (10 ns, 20 Hz) Coating Features Broadband 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)	398.7 mm (±3.987 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 2.4 mm (Center) 2 mm (Edge) Edge Thickness 2 mm Focal Length 398.7 mm (±3.987 mm) f-Number 15.7 (Calculated) Center Thickness 2.4 mm Radius of Curvature 411.7 mm Back Focal Length 397.9 mm Clear Aperture > 22.86 mm Substrate N-BK7 Centration < 3' Surface Quality 40-20 scratch-dig Type of Curvature Convex-Convex 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) Coating Features Broadband 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	546.1 nm (Center Wavelength)	Uncoated	63.2 mm	2 weeks	$ 90.00
Product Code Wavelength Range 546.1 nm (Center Wavelength) Center Wavelength 546.1 nm Coating Uncoated Diameter 60 mm Dimensions Ø 60 mm Thickness 18.4 mm (Center) 3 mm (Edge) Edge Thickness 3 mm Focal Length 63.2 mm f-Number 1.053 (Calculated) Center Thickness 18.4 mm Radius of Curvature 62.28 mm Back Focal Length 56.8 mm Clear Aperture 54 mm Substrate BK7 Centration < 1' Surface Quality 20-10 scratch-dig Type of Curvature Convex-Convex 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	$ 23.00
Product Code Wavelength Range 310 - 2700 nm Diameter 25.4 mm (1") Dimensions Ø 25.4 mm (1") Thickness 4 mm (Center) 3.2 mm (Edge) Edge Thickness 3.2 mm Focal Length 200 mm (±4 × 10^-6 mm, 546 nm, Paraxial) f-Number 7.874 (Calculated) Center Thickness 4 mm Radius of Curvature 206.8 mm Clear Aperture 22.86 mm Substrate BK7 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	350 - 700 nm	BBAR (350 - 700 nm)	750 mm (±7.5 mm)	In stock	$ 55.08
Product Code Wavelength Range 350 - 700 nm Center Wavelength 633 nm Coating BBAR (350 - 700 nm) Reflectance < 0.5% (350 - 700 nm, Average) Diameter 50.8 mm (2") Dimensions Ø 50.8 mm (2") Thickness 3.8 mm (Center) 3 mm (Edge) Edge Thickness 3 mm Focal Length 750 mm (±7.5 mm) f-Number 14.76 (Calculated) Center Thickness 3.8 mm Radius of Curvature 772 mm Back Focal Length 748.7 mm Clear Aperture > 45.72 mm Substrate N-BK7 Centration < 3' Surface Quality 40-20 scratch-dig Type of Curvature Convex-Convex Damage Threshold Pulsed 7.5 J/cm² (0.504 mm, 10 ns, 10 Hz, 532 nm) Coating Features Broadband Diameter Tolerance +0/-0.1 mm Surface Irregularity λ/4 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	390 - 710 nm	Uncoated	10 mm	Contact Supplier	Add to cart to request quote
Product Code Wavelength Range 390 - 710 nm Coating Uncoated Diameter 5 mm Dimensions Ø 5 mm Thickness 2.7 mm (Center) 2 mm (Edge) Edge Thickness 2 mm Focal Length 10 mm f-Number 2 (Calculated) Center Thickness 2.7 mm Substrate UV Fused Silica Shape Round Supplier Location Netherlands See product details More from PHYSIX Photonics
Bi-Convex Lens	750 - 1550 nm	BBAR (750 - 1550 nm)	72.7 mm	6 - 12 weeks	$ 130.00
Product Code Wavelength Range 750 - 1550 nm Center Wavelength 546.1 nm Coating BBAR (750 - 1550 nm) Transmittance > 98.5% (Average) Diameter 60 mm Dimensions Ø 60 mm Thickness 16 mm (Center) 3 mm (Edge) Edge Thickness 3 mm Focal Length 72.7 mm f-Number 1.212 (Calculated) Center Thickness 16 mm Radius of Curvature 72.66 mm Back Focal Length 67.3 mm Clear Aperture 51 mm Substrate BK7 Centration < 1' Surface Quality 20-10 scratch-dig Type of Curvature Convex-Convex Damage Threshold Pulsed 4 J/cm² (10 ns, 20 Hz) Coating Features Broadband Refractive Index 1.519 Weight 50 g Shape Round Supplier Location California, USA See product details More from OptoSigma
Bi-Convex Lens	195 - 2100 nm	Uncoated	75 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 75 mm f-Number 6 (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	750 - 1550 nm	BBAR (750 - 1550 nm)	30 mm (±0.3 mm)	In stock	$ 41.00
Product Code Wavelength Range 750 - 1550 nm Coating BBAR (750 - 1550 nm) Reflectance < 0.7% (750 - 1550 nm, Average) < 1.5% (750 - 800 nm, Absolute) < 1% (800 - 1550 nm, Absolute) Diameter 6 mm Dimensions Ø 6 mm Thickness 2.3 mm (Center) 2 mm (Edge) Edge Thickness 2 mm Focal Length 30 mm (±0.3 mm) f-Number 5 Center Thickness 2.3 mm Radius of Curvature 30.61 mm Back Focal Length 29.23 mm Clear Aperture 5.4 mm Substrate N-BK7 Centration < 1' Surface Quality 40-20 scratch-dig Type of Curvature Convex-Convex Damage Threshold Pulsed 8 J/cm² (10 ns, 1064 nm) 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 Supplier Location New Jersey, USA See product details More from Edmund Optics
Bi-Convex Lens	400 - 700 nm	BBAR (400 - 700 nm)	102 mm	6 - 12 weeks	$ 128.00
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 11.9 mm (Center) 3 mm (Edge) Edge Thickness 3 mm Focal Length 102 mm f-Number 1.7 (Calculated) Center Thickness 11.9 mm Radius of Curvature 103.8 mm Back Focal Length 98 mm Clear Aperture 51 mm Substrate BK7 Centration < 1' Surface Quality 20-10 scratch-dig Type of Curvature Convex-Convex Damage Threshold Pulsed 4 J/cm² (10 ns, 20 Hz) Coating Features Broadband Refractive Index 1.519 Weight 50 g Shape Round Supplier Location California, USA See product details More from OptoSigma
Bi-Convex Lens	750 - 1550 nm	BBAR (750 - 1550 nm)	30 mm (±0.3 mm)	In stock	$ 44.00
Product Code Wavelength Range 750 - 1550 nm Coating BBAR (750 - 1550 nm) Reflectance < 0.7% (750 - 1550 nm, Average) < 1.5% (750 - 800 nm, Absolute) < 1% (800 - 1550 nm, Absolute) Diameter 12 mm Dimensions Ø 12 mm Thickness 3.7 mm (Center) 2.5 mm (Edge) Edge Thickness 2.5 mm Focal Length 30 mm (±0.3 mm) f-Number 2.5 Center Thickness 3.7 mm Radius of Curvature 30.36 mm Back Focal Length 28.75 mm Clear Aperture 11 mm Substrate N-BK7 Centration < 1' Surface Quality 40-20 scratch-dig Type of Curvature Convex-Convex Damage Threshold Pulsed 8 J/cm² (10 ns, 1064 nm) 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 0.2 Shape Round Supplier Location New Jersey, USA See product details More from Edmund Optics
Bi-Convex Lens	588 nm (Center Wavelength)	Uncoated	20 mm (±0.2 mm)	2 weeks	$ 96.81
Product Code Wavelength Range 588 nm (Center Wavelength) Center Wavelength 588 nm Coating Uncoated Diameter 12.7 mm (0.5") Dimensions Ø 12.7 mm (0.5") Thickness 4.2 mm (Center) 1.8 mm (Edge) Edge Thickness 1.8 mm Focal Length 20 mm (±0.2 mm) f-Number 1.575 (Calculated) Center Thickness 4.2 mm Radius of Curvature 17.7 mm Back Focal Length 18.5 mm Clear Aperture > 11.43 mm Substrate UV Fused Silica Centration < 3' Surface Quality 40-20 scratch-dig Type of Curvature Convex-Convex 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 - 700 nm	BBAR (400 - 700 nm)	12.5 mm	6 - 12 weeks	$ 65.00
Product Code Wavelength Range 400 - 700 nm Center Wavelength 546.1 nm Coating BBAR (400 - 700 nm) Transmittance > 99% (Average) Diameter 7 mm Dimensions Ø 7 mm Thickness 2.8 mm (Center) 1.8 mm (Edge) Edge Thickness 1.8 mm Focal Length 12.5 mm f-Number 1.786 (Calculated) Center Thickness 2.8 mm Radius of Curvature 12.46 mm Back Focal Length 11.5 mm Substrate BK7 Centration < 3' Type of Curvature Convex-Convex Damage Threshold Pulsed 4 J/cm² (10 ns, 20 Hz) Coating Features Broadband Refractive Index 1.519 Weight 50 g Shape Round Supplier Location California, USA See product details More from OptoSigma
Bi-Convex Lens	200 - 7000 nm	Uncoated	79.5 mm (633 nm)	Contact Supplier	$ 305.94
Product Code Wavelength Range 200 - 7000 nm Coating Uncoated Diameter 50 mm Dimensions Ø 50 mm Thickness 19.9 mm (Center) 10 mm (Edge) Edge Thickness 10 mm Focal Length 79.5 mm (633 nm) f-Number 1.59 (Calculated) Center Thickness 19.9 mm Radius of Curvature 65.6 mm Substrate Calcium Fluoride Surface Quality 60-40 scratch-dig Type of Curvature Convex-Convex Diameter Tolerance ±0.2 mm Center Thickness Tolerance ±0.2 mm Length Tolerance ±0.2 mm Radius of Curvature Tolerance ±1.312 mm Width 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	-	50 mm (±1 × 10^-6 mm, 546 nm, Paraxial)	4 - 5 days	$ 41.00
Product Code Wavelength Range 310 - 2700 nm Diameter 38.1 mm Dimensions Ø 38.1 mm Thickness 10.5 mm (Center) 3 mm (Edge) Edge Thickness 3 mm Focal Length 50 mm (±1 × 10^-6 mm, 546 nm, Paraxial) f-Number 1.312 (Calculated) Center Thickness 10.5 mm Radius of Curvature 50 mm Clear Aperture 34.29 mm Substrate BK7 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