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-Concave Lens	350 - 700 nm	BBAR (350 - 700 nm)	-50 mm (±0.5 mm)	In stock	$ 38.60
Product Code Wavelength Range 350 - 700 nm Center Wavelength 587.6 nm Coating BBAR (350 - 700 nm) Diameter 12.7 mm (0.5") Dimensions Ø 12.7 mm (0.5") Thickness 3.5 mm (Center) 4.3 mm (Edge) Edge Thickness 4.3 mm Focal Length -50 mm (±0.5 mm) Radius of Curvature -52.1 mm Center Thickness 3.5 mm Substrate N-BK7 Clear Aperture > 11.43 mm Centration < 3' Type of Curvature Concave-Concave Surface Quality 40-20 scratch-dig Back Focal Length -51 mm Coating Features Broadband Refractive Index 1.515 (at Design Wavelength) 1.778 (at Design Wavelength) Damage Threshold Pulsed 7.5 J/cm² (0.504 mm, 10 ns, 10 Hz, 532 nm) Surface Irregularity λ/4 (PV) Diameter Tolerance +0/-0.1 mm Thickness Tolerance ±0.1 mm Shape Round Supplier Location New Jersey, USA See product details More from Thorlabs
Bi-Concave Lens	390 - 710 nm	Uncoated	-37.5 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 2 mm (Center) 6 mm (Edge) Edge Thickness 6 mm Focal Length -37.5 mm Center Thickness 2 mm Substrate N-BK7 Shape Round Supplier Location Netherlands See product details More from PHYSIX Photonics
Bi-Concave Lens	343 nm (Center Wavelength)	AR/Transmissive V-Coating (343 nm) AR/Transmissive V-Coating (343 nm) (Rear)	-	In stock	$ 118.67
Product Code Manufacturer Optoman Wavelength Range 343 nm (Center Wavelength) Center Wavelength 343 nm Reflection Wavelength 343 nm Coating AR/Transmissive V-Coating (343 nm) AR/Transmissive V-Coating (343 nm) (Rear) Coating Method Ion Beam Sputtering (Front) Ion Beam Sputtering (Rear) Reflectance 0.2% (343 nm) Diameter 20 mm Dimensions Ø 20 mm Thickness 3 mm Radius of Curvature -35.47 mm (S1, S2) Center Thickness 3 mm Substrate UV Fused Silica Clear Aperture 18 mm (Minimum) Centration < 1' Type of Curvature Concave-Concave Surface Quality 20-10 scratch-dig (S1, S2) Coating Features Multi Wavelength Narrowband Surface Irregularity < λ/4 (633 nm) Diameter Tolerance +0/-0.02 mm 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-Concave 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 25 mm Dimensions Ø 25 mm Thickness 2 mm (Center) 8.1 mm (Edge) Edge Thickness 8.1 mm Focal Length -25 mm Center Thickness 2 mm Substrate N-BK7 Shape Round Supplier Location Netherlands See product details More from PHYSIX Photonics
Bi-Concave Lens	180 - 8000 nm (Substrate)	Uncoated	-30 mm (±0.3 mm, 588 nm)	In stock	$ 210.27
Product Code Wavelength Range 180 - 8000 nm (Substrate) Center Wavelength 588 nm Coating Uncoated Diameter 25.4 mm (1") Dimensions Ø 25.4 mm (1") Thickness 2.5 mm (Center) 9 mm (Edge) Edge Thickness 9 mm Focal Length -30 mm (±0.3 mm, 588 nm) Radius of Curvature -26.4 mm Center Thickness 2.5 mm Substrate Calcium Fluoride Clear Aperture > 22.86 mm Centration < 3' Type of Curvature Concave-Concave Surface Quality 40-20 scratch-dig Back Focal Length -30.9 mm Surface Irregularity λ/2 (PV) Diameter Tolerance +0/-0.1 mm Thickness Tolerance ±0.1 mm Shape Round Supplier Location New Jersey, USA See product details More from Thorlabs
Bi-Concave Lens	633 - 1064 nm	BBAR (633 - 1064 nm)	-49.7 mm	2 weeks	$ 77.00
Product Code Wavelength Range 633 - 1064 nm Center Wavelength 546.1 nm Coating BBAR (633 - 1064 nm) Diameter 15 mm Dimensions Ø 15 mm Thickness 2 mm (Center) 3.1 mm (Edge) Edge Thickness 3.1 mm Focal Length -49.7 mm Radius of Curvature 51.9 mm Center Thickness 2 mm Substrate BK7 Clear Aperture 12.75 mm Centration < 1' Type of Curvature Concave-Concave Surface Quality 20-10 scratch-dig Back Focal Length -50.3 mm Coating Features Broadband Refractive Index 1.519 Damage Threshold Pulsed 4 J/cm² (10 ns, 20 Hz) Weight 50 g Shape Round Supplier Location California, USA See product details More from OptoSigma
Bi-Concave Lens	195 - 2100 nm	Uncoated	-50 mm	4 - 5 days	$ 54.00
Product Code Wavelength Range 195 - 2100 nm Coating Uncoated Diameter 12.7 mm (0.5") Dimensions Ø 12.7 mm (0.5") Thickness 2.6 mm (Center) 3.2 mm (Edge) Edge Thickness 3.2 mm Focal Length -50 mm Radius of Curvature -48 mm Center Thickness 2.6 mm Substrate UV Fused Silica Clear Aperture 11.43 mm Centration 3' Type of Curvature Concave-Concave Surface Quality 40-20 scratch-dig Surface Irregularity λ/8 (633 nm) Diameter Tolerance +0/-0.12 mm Thickness Tolerance ±0.2 mm Shape Round Supplier Location Lithuania See product details More from EKSMA Optics
Bi-Concave Lens	400 - 700 nm	BBAR (400 - 700 nm)	-39.7 mm	In stock	$ 106.00
Product Code Wavelength Range 400 - 700 nm Center Wavelength 546.1 nm Coating BBAR (400 - 700 nm) Transmittance > 99% (Average) Diameter 25.4 mm (1") Dimensions Ø 25.4 mm (1") Thickness 2 mm (Center) 6 mm (Edge) Edge Thickness 6 mm Focal Length -39.7 mm Radius of Curvature 41.52 mm Center Thickness 2 mm Substrate BK7 Clear Aperture 21.59 mm Centration < 1' Type of Curvature Concave-Concave Surface Quality 20-10 scratch-dig Back Focal Length -40.4 mm Coating Features Broadband Refractive Index 1.519 Damage Threshold Pulsed 4 J/cm² (10 ns, 20 Hz) Weight 50 g Shape Round Supplier Location California, USA See product details More from OptoSigma
Bi-Concave Lens	633 - 1064 nm	BBAR (633 - 1064 nm)	-69.7 mm	In stock	$ 97.00
Product Code Wavelength Range 633 - 1064 nm Center Wavelength 546.1 nm Coating BBAR (633 - 1064 nm) Diameter 25.4 mm (1") Dimensions Ø 25.4 mm (1") Thickness 2 mm (Center) 4.2 mm (Edge) Edge Thickness 4.2 mm Focal Length -69.7 mm Radius of Curvature 72.66 mm Center Thickness 2 mm Substrate BK7 Clear Aperture 21.59 mm Centration < 1' Type of Curvature Concave-Concave Surface Quality 20-10 scratch-dig Back Focal Length -70.4 mm Coating Features Broadband Refractive Index 1.519 Damage Threshold Pulsed 4 J/cm² (10 ns, 20 Hz) Weight 50 g Shape Round Supplier Location California, USA See product details More from OptoSigma
Bi-Concave Lens	400 - 1200 nm	Uncoated	-199.7 mm	In stock	$ 140.00
Product Code Wavelength Range 400 - 1200 nm Center Wavelength 546.1 nm Coating Uncoated Diameter 25.4 mm (1") Dimensions Ø 25.4 mm (1") Thickness 2 mm (Center) 2.9 mm (Edge) Edge Thickness 2.9 mm Focal Length -199.7 mm Radius of Curvature 184 mm Center Thickness 2 mm Substrate Synthetic Fused Silica Clear Aperture 22.86 mm Centration < 1' Type of Curvature Concave-Concave Surface Quality 20-10 scratch-dig Back Focal Length -200.4 mm Refractive Index 1.46 Weight 50 g Shape Round Supplier Location California, USA See product details More from OptoSigma
Bi-Concave Lens	310 - 2700 nm	Uncoated	-250 mm	4 - 5 days	$ 23.00
Product Code Wavelength Range 310 - 2700 nm Coating Uncoated Diameter 25.4 mm (1") Dimensions Ø 25.4 mm (1") Thickness 2.9 mm (Center) 3.5 mm (Edge) Edge Thickness 3.5 mm Focal Length -250 mm Radius of Curvature -259.9 mm Center Thickness 2.9 mm Substrate BK7 Clear Aperture 22.86 mm Centration 3' Type of Curvature Concave-Concave Surface Quality 40-20 scratch-dig Surface Irregularity λ/8 (633 nm) Diameter Tolerance +0/-0.12 mm Thickness Tolerance ±0.2 mm Shape Round Supplier Location Lithuania See product details More from EKSMA Optics
Bi-Concave Lens	1030 nm (Center Wavelength)	AR/Transmissive V-Coating (1030 nm) AR/Transmissive V-Coating (1030 nm) (Rear)	-	In stock	$ 107.88
Product Code Manufacturer Optoman Wavelength Range 1030 nm (Center Wavelength) Center Wavelength 1030 nm Reflection Wavelength 1030 nm Coating AR/Transmissive V-Coating (1030 nm) AR/Transmissive V-Coating (1030 nm) (Rear) Coating Method Ion Beam Sputtering (Front) Ion Beam Sputtering (Rear) Reflectance 0.1% (1030 nm) Diameter 20 mm Dimensions Ø 20 mm Thickness 3 mm Radius of Curvature -86.59 mm (S1) -30 mm (S2) Center Thickness 3 mm Substrate UV Fused Silica Clear Aperture 18 mm (Minimum) Centration < 1' Type of Curvature Concave-Concave Surface Quality 20-10 scratch-dig (S1, S2) Coating Features Multi Wavelength Narrowband Surface Irregularity < λ/4 (633 nm) Diameter Tolerance +0/-0.02 mm 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-Concave Lens	390 - 710 nm	Uncoated	-125 mm	Contact Supplier	Add to cart to request quote
Product Code Wavelength Range 390 - 710 nm Coating Uncoated Diameter 50 mm Dimensions Ø 50 mm Thickness 5 mm (Center) 10.1 mm (Edge) Edge Thickness 10.1 mm Focal Length -125 mm Center Thickness 5 mm Substrate UV Fused Silica Shape Round Supplier Location Netherlands See product details More from PHYSIX Photonics
Bi-Concave 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 6.3 mm Dimensions Ø 6.3 mm Thickness 2 mm (Center) 2.7 mm (Edge) Edge Thickness 2.7 mm Focal Length -10 mm Center Thickness 2 mm Substrate UV Fused Silica Shape Round Supplier Location Netherlands See product details More from PHYSIX Photonics
Bi-Concave Lens	343 nm (Center Wavelength)	AR/Transmissive V-Coating (343 nm) AR/Transmissive V-Coating (343 nm) (Rear)	-	In stock	$ 86.30
Product Code Manufacturer Optoman Wavelength Range 343 nm (Center Wavelength) Center Wavelength 343 nm Reflection Wavelength 343 nm Coating AR/Transmissive V-Coating (343 nm) AR/Transmissive V-Coating (343 nm) (Rear) Coating Method Ion Beam Sputtering (Front) Ion Beam Sputtering (Rear) Reflectance 0.2% (343 nm) Diameter 12.7 mm (0.5") Dimensions Ø 12.7 mm (0.5") Thickness 1.5 mm Edge Thickness ~ 3.5 mm Radius of Curvature -10.49 mm (S1, S2) Center Thickness 1.5 mm Substrate UV Fused Silica Clear Aperture 9 mm (Minimum) Centration < 1' Type of Curvature Concave-Concave Surface Quality 20-10 scratch-dig (S1, S2) Coating Features Multi Wavelength Narrowband Surface Irregularity < λ/4 (633 nm) Diameter Tolerance +0/-0.05 mm 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-Concave Lens	200 - 2000 nm	Uncoated	-150 mm	12 weeks	$ 41.00
Product Code Wavelength Range 200 - 2000 nm Coating Uncoated Diameter 22.4 mm Dimensions Ø 22.4 mm Thickness 1.5 mm (Center) 2.3 mm (Edge) Edge Thickness 2.3 mm Focal Length -150 mm Radius of Curvature 156.22 mm (S2) -156.22 mm (S1) Center Thickness 1.5 mm Substrate N-BK7 Centration 10' Type of Curvature Concave-Concave Shape Round Supplier Location Pennsylvania, USA See product details More from Excelitas
Bi-Concave Lens	1050 - 1700 nm	BBAR (1050 - 1700 nm)	-6 mm (±0.06 mm)	In stock	$ 45.74
Product Code Wavelength Range 1050 - 1700 nm Center Wavelength 587.6 nm Coating BBAR (1050 - 1700 nm) Diameter 6 mm Dimensions Ø 6 mm Thickness 1.5 mm (Center) 2.5 mm (Edge) Edge Thickness 2.5 mm Focal Length -6 mm (±0.06 mm) Radius of Curvature -9.7 mm Center Thickness 1.5 mm Substrate N-SF11 Clear Aperture > 5.4 mm Centration < 3' Type of Curvature Concave-Concave Surface Quality 40-20 scratch-dig Back Focal Length -6.4 mm Coating Features Broadband Refractive Index 1.515 (at Design Wavelength) 1.778 (at Design Wavelength) Damage Threshold Pulsed 7.5 J/cm² (0.123 mm, 10 ns, 10 Hz, 1542 nm) Surface Irregularity λ/4 (PV) Diameter Tolerance +0/-0.1 mm Thickness Tolerance ±0.1 mm Shape Round Supplier Location New Jersey, USA See product details More from Thorlabs
Bi-Concave Lens	195 - 2100 nm	Uncoated	-25 mm	4 - 5 days	$ 54.00
Product Code Wavelength Range 195 - 2100 nm Coating Uncoated Diameter 12.7 mm (0.5") Dimensions Ø 12.7 mm (0.5") Thickness 2.8 mm (Center) 4 mm (Edge) Edge Thickness 4 mm Focal Length -25 mm Radius of Curvature -24.2 mm Center Thickness 2.8 mm Substrate UV Fused Silica Clear Aperture 11.43 mm Centration 3' Type of Curvature Concave-Concave Surface Quality 40-20 scratch-dig Surface Irregularity λ/8 (633 nm) Diameter Tolerance +0/-0.12 mm Thickness Tolerance ±0.2 mm Shape Round Supplier Location Lithuania See product details More from EKSMA Optics
Bi-Concave Lens	310 - 2700 nm	Uncoated	-150 mm	4 - 5 days	$ 23.00
Product Code Wavelength Range 310 - 2700 nm Coating Uncoated Diameter 25.4 mm (1") Dimensions Ø 25.4 mm (1") Thickness 3 mm (Center) 4 mm (Edge) Edge Thickness 4 mm Focal Length -150 mm Radius of Curvature -156.1 mm Center Thickness 3 mm Substrate BK7 Clear Aperture 22.86 mm Centration 3' Type of Curvature Concave-Concave Surface Quality 40-20 scratch-dig Surface Irregularity λ/8 (633 nm) Diameter Tolerance +0/-0.12 mm Thickness Tolerance ±0.2 mm Shape Round Supplier Location Lithuania See product details More from EKSMA Optics
Bi-Concave Lens	546.1 nm (Center Wavelength)	Uncoated	-29.7 mm	2 weeks	$ 65.00
Product Code Wavelength Range 546.1 nm (Center Wavelength) Center Wavelength 546.1 nm Coating Uncoated Diameter 25 mm Dimensions Ø 25 mm Thickness 2 mm (Center) 7.2 mm (Edge) Edge Thickness 7.2 mm Focal Length -29.7 mm Radius of Curvature 31.14 mm Center Thickness 2 mm Substrate BK7 Clear Aperture 22.5 mm Centration < 1' Type of Curvature Concave-Concave Surface Quality 20-10 scratch-dig Back Focal Length -30.3 mm Refractive Index 1.519 Weight 50 g Shape Round Supplier Location California, USA See product details More from OptoSigma