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	588 nm (Center Wavelength)	Uncoated	35 mm (±0.35 mm)	2 weeks	$ 152.05
Product Code Wavelength Range 588 nm (Center Wavelength) Center Wavelength 588 nm Coating Uncoated Diameter 25.4 mm (1") Dimensions Ø 25.4 mm (1") Thickness 7.4 mm (Center) 2 mm (Edge) Edge Thickness 2 mm Focal Length 35 mm (±0.35 mm) Center Thickness 7.4 mm Radius of Curvature 31 mm f-Number 1.378 (Calculated) Substrate UV Fused Silica Surface Quality 40-20 scratch-dig Centration < 3' Clear Aperture > 22.86 mm Back Focal Length 32.4 mm 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	633 - 1064 nm	BBAR (633 - 1064 nm)	170.7 mm	6 - 12 weeks	$ 89.00
Product Code Wavelength Range 633 - 1064 nm Center Wavelength 546.1 nm Coating BBAR (633 - 1064 nm) Transmittance > 98.5% (Average) Diameter 40 mm Dimensions Ø 40 mm Thickness 4.3 mm (Center) 2 mm (Edge) Edge Thickness 2 mm Focal Length 170.7 mm Center Thickness 4.3 mm Radius of Curvature 176.46 mm f-Number 4.2675 (Calculated) Substrate BK7 Surface Quality 20-10 scratch-dig Centration < 1' Clear Aperture 34 mm Back Focal Length 169.3 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	350 - 700 nm	BBAR (350 - 700 nm)	200 mm (±2 mm)	In stock	$ 72.00
Product Code Wavelength Range 350 - 700 nm Coating BBAR (350 - 700 nm) Reflectance < 0.5% (350 - 700 nm, Average) Diameter 40 mm Dimensions Ø 40 mm Thickness 8 mm (Center) 6.05 mm (Edge) Edge Thickness 6.05 mm Focal Length 200 mm (±2 mm) Center Thickness 8 mm Radius of Curvature 205.35 mm f-Number 5 Substrate N-BK7 Surface Quality 40-20 scratch-dig Centration < 1' Clear Aperture 39 mm Back Focal Length 197.35 mm 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 ±0.1 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	633 - 1064 nm	BBAR (633 - 1064 nm)	30.6 mm	In stock	$ 53.00
Product Code Wavelength Range 633 - 1064 nm Center Wavelength 546.1 nm Coating BBAR (633 - 1064 nm) Transmittance > 98.5% (Average) Diameter 12.7 mm (0.5") Dimensions Ø 12.7 mm (0.5") Thickness 3.3 mm (Center) 2 mm (Edge) Edge Thickness 2 mm Focal Length 30.6 mm Center Thickness 3.3 mm Radius of Curvature 31.14 mm f-Number 2.409 (Calculated) Substrate BK7 Centration < 1' Back Focal Length 29.5 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	450 - 700 nm	BBAR (450 - 700 nm)	60 mm	14 weeks	$ 183.00
Product Code Wavelength Range 450 - 700 nm Reflection Wavelength 450 - 700 nm Coating BBAR (450 - 700 nm) Reflectance < 0.5% (450 - 700 nm) Diameter 31.5 mm Dimensions Ø 31.5 mm Thickness 6.2 mm (Center) 2 mm (Edge) Edge Thickness 2 mm Focal Length 60 mm Center Thickness 6.2 mm Radius of Curvature -60 mm (S2) 60 mm (S1) Substrate Fused Silica Surface Quality 3x0.16 (ISO-7) Centration 3' 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	546.1 nm (Center Wavelength)	Uncoated	252.1 mm	2 weeks	$ 220.00
Product Code Wavelength Range 546.1 nm (Center Wavelength) Center Wavelength 546.1 nm Coating Uncoated Diameter 100 mm Dimensions Ø 100 mm Thickness 12.7 mm (0.5", Center) 3 mm (Edge) Edge Thickness 3 mm Focal Length 252.1 mm Center Thickness 12.7 mm (0.5") Radius of Curvature 259.5 mm f-Number 2.521 (Calculated) Substrate BK7 Surface Quality 20-10 scratch-dig Centration < 1' Clear Aperture 90 mm Back Focal Length 247.9 mm 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	400 - 1200 nm	Uncoated	100.6 mm	In stock	$ 100.00
Product Code Wavelength Range 400 - 1200 nm Center Wavelength 546.1 nm Coating Uncoated Diameter 25 mm Dimensions Ø 25 mm Thickness 3.7 mm (Center) 2 mm (Edge) Edge Thickness 2 mm Focal Length 100.6 mm Center Thickness 3.7 mm Radius of Curvature 92 mm f-Number 4.024 (Calculated) Substrate Synthetic Fused Silica Centration < 1' Clear Aperture 22.5 mm Back Focal Length 99.4 mm 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	515 nm (Center Wavelength)	AR/Transmissive V-Coating (515 nm) AR/Transmissive V-Coating (515 nm) (Rear)	-	In stock	$ 110.57
Product Code Manufacturer Optoman Wavelength Range 515 nm (Center Wavelength) Center Wavelength 515 nm Reflection Wavelength 515 nm Coating AR/Transmissive V-Coating (515 nm) AR/Transmissive V-Coating (515 nm) (Rear) Coating Method Ion Beam Sputtering (Front) Ion Beam Sputtering (Rear) Reflectance 0.1% (515 nm) Diameter 25.4 mm (1") Dimensions Ø 25.4 mm (1") Thickness 4 mm Center Thickness 4 mm Radius of Curvature 110.885 mm (S1, S2) Substrate UV Fused Silica Surface Quality 20-10 scratch-dig (S1, S2) Centration < 1' Clear Aperture 22 mm (Minimum) Type of Curvature Convex-Convex Coating Features Multi Wavelength Narrowband Diameter Tolerance +0/-0.02 mm Surface Irregularity < λ/4 (633 nm) Center Thickness Tolerance ±0.1 mm Thickness Tolerance ±0.1 mm Chamfer 0.2 - 0.3 mm (45°) Shape Round Supplier Location Lithuania See product details More from OPTOSHOP
Bi-Convex Lens	200 - 7000 nm	Uncoated	86 mm (633 nm)	Contact Supplier	$ 151.93
Product Code Wavelength Range 200 - 7000 nm Coating Uncoated Diameter 16 mm Dimensions Ø 16 mm Thickness 3 mm (Center) 2 mm (Edge) Edge Thickness 2 mm Focal Length 86 mm (633 nm) Center Thickness 3 mm Radius of Curvature 73.9 mm f-Number 5.375 (Calculated) 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 ±1.478 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	350 - 700 nm	BBAR (350 - 700 nm)	150 mm (±1.5 mm)	In stock	$ 52.86
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 3.1 mm (Center) 2 mm (Edge) Edge Thickness 2 mm Focal Length 150 mm (±1.5 mm) Center Thickness 3.1 mm Radius of Curvature 154 mm Substrate N-BK7 Surface Quality 40-20 scratch-dig Centration < 3' Back Focal Length 149 mm 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 145.7 mm Shape Round Supplier Location New Jersey, USA See product details More from Thorlabs
Bi-Convex Lens	310 - 2700 nm	-	200 mm (±4 × 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 5 mm (Center) 3.2 mm (Edge) Edge Thickness 3.2 mm Focal Length 200 mm (±4 × 10^-6 mm, 546 nm, Paraxial) Center Thickness 5 mm Radius of Curvature 206.6 mm f-Number 5.249 (Calculated) Substrate BK7 Surface Quality 40-20 scratch-dig Centration 3' Clear Aperture 34.29 mm 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)	40 mm	12 weeks	$ 131.00
Product Code Wavelength Range 450 - 700 nm Reflection Wavelength 450 - 700 nm Coating BBAR (450 - 700 nm) Reflectance < 0.5% (450 - 700 nm) Diameter 35 mm (Outer) Dimensions Ø 35 x 16 mm Thickness 16 mm Edge Thickness 2.1 mm Focal Length 40 mm Center Thickness 8.3 mm Radius of Curvature -41.867 mm (S2) 41.867 mm (S1) Substrate N-BK7 Surface Quality 3x0.25 (ISO-7) Centration 3' Clear Aperture 30 mm Type of Curvature Convex-Convex Coating Features Broadband 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
Bi-Convex Lens	195 - 2100 nm	Uncoated	25 mm	Contact Supplier	$ 100.84
Product Code Wavelength Range 195 - 2100 nm Coating Uncoated Diameter 25 mm Dimensions Ø 25 mm Focal Length 25 mm f-Number 1 (Calculated) Substrate UV Fused Silica Surface Quality < 40-20 scratch-dig Centration 5' 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)	25.6 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 12.7 mm (0.5") Dimensions Ø 12.7 mm (0.5") Thickness 3.6 mm (Center) 2 mm (Edge) Edge Thickness 2 mm Focal Length 25.6 mm Center Thickness 3.6 mm Radius of Curvature 25.95 mm f-Number 2.016 (Calculated) Substrate BK7 Centration < 1' Back Focal Length 24.4 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	350 - 700 nm	BBAR (350 - 700 nm)	50 mm (±0.5 mm)	Contact Supplier	$ 60.00
Product Code Wavelength Range 350 - 700 nm Coating BBAR (350 - 700 nm) Reflectance < 0.5% (350 - 700 nm, Average) Diameter 30 mm Dimensions Ø 30 mm Thickness 6.55 mm (Center) 2 mm (Edge) Edge Thickness 2 mm Focal Length 50 mm (±0.5 mm) Center Thickness 6.55 mm Radius of Curvature 50.56 mm f-Number 1.67 Substrate N-BK7 Surface Quality 40-20 scratch-dig Centration < 1' Clear Aperture 29 mm Back Focal Length 47.82 mm 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 ±0.1 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	195 - 2100 nm	Uncoated	25 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 25 mm f-Number 2 (Calculated) Substrate UV Fused Silica Surface Quality < 40-20 scratch-dig Centration 5' 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	15 mm	Contact Supplier	Add to cart to request quote
Product Code Wavelength Range 390 - 710 nm Coating Uncoated Diameter 7.5 mm Dimensions Ø 7.5 mm Thickness 2.9 mm (Center) 2 mm (Edge) Edge Thickness 2 mm Focal Length 15 mm Center Thickness 2.9 mm f-Number 2 (Calculated) Substrate N-BK7 Shape Round Supplier Location Netherlands See product details More from PHYSIX Photonics
Bi-Convex Lens	250 - 700 nm	BBAR (250 - 700 nm)	27 mm (±0.27 mm)	In stock	$ 136.00
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 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) Center Thickness 2.5 mm Radius of Curvature 24.36 mm f-Number 3 Substrate Fused Silica Surface Quality 40-20 scratch-dig Centration < 1' Clear Aperture 8.1 mm Back Focal Length 26.13 mm 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 3 J/cm² (10 ns, 355 nm) 5 J/cm² (10 ns, 532 nm) 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	195 - 2100 nm	Uncoated	50 mm	Contact Supplier	$ 100.84
Product Code Wavelength Range 195 - 2100 nm Coating Uncoated Diameter 25 mm Dimensions Ø 25 mm Focal Length 50 mm f-Number 2 (Calculated) Substrate UV Fused Silica Surface Quality < 40-20 scratch-dig Centration 5' 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	1050 - 1700 nm	BBAR (1050 - 1700 nm)	300 mm (±3 mm)	Contact Supplier	$ 55.08
Product Code Wavelength Range 1050 - 1700 nm Center Wavelength 633 nm Coating BBAR (1050 - 1700 nm) Reflectance < 0.5% (1050 - 1700 nm, Average) Diameter 50.8 mm (2") Dimensions Ø 50.8 mm (2") Thickness 5.1 mm (Center) 3 mm (Edge) Edge Thickness 3 mm Focal Length 300 mm (±3 mm) Center Thickness 5.1 mm Radius of Curvature 308.2 mm f-Number 5.906 (Calculated) Substrate N-BK7 Surface Quality 40-20 scratch-dig Centration < 3' Clear Aperture > 45.72 mm Back Focal Length 298.3 mm 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