Aspheric Lenses

Optical components that are used to remove spherical aberration and feature a surface with radius of curvature that varies across the entire lens. Learn More

Product	Focal Length	Diameter	Wavelength Range	Availability	Price (USD)
Polished Aspheric Lens	17.99 mm (780 nm)	20 mm	350 - 700 nm	In stock	$ 265.00
Product Code Wavelength Range 350 - 700 nm Center Wavelength 780 nm Coating BBAR (350 - 700 nm) Reflectance < 0.5% (0°, 350 - 700 nm, 30°, Average) < 1.5% (0°, 350 - 700 nm, 30°, Absolute) Diameter 20 mm Dimensions Ø 20 mm Thickness 7.1 mm (Center) 3.37 mm (Edge) Edge Thickness 3.37 mm Focal Length 17.99 mm (780 nm) f-Number 0.9 Numerical Aperture 0.56 Substrate S-LAH64 Center Thickness 7.1 mm Shape Round Clear Aperture 18 mm Surface Quality 40-20 scratch-dig Centration < 3' Back Focal Length 14 mm Diameter Tolerance +0/-0.1 mm Center Thickness Tolerance ±0.1 mm Surface Irregularity 1.2λ (632.8 nm, RMS) Coating Features Broadband Bevels Protective bevel as needed Supplier Location New Jersey, USA See product details More from Edmund Optics
Polished Aspheric Lens	31.25 mm (587.6 nm)	25 mm	330 - 2400 nm	Contact Supplier	$ 250.00
Product Code Wavelength Range 330 - 2400 nm Coating Uncoated Diameter 25 mm Dimensions Ø 25 mm Thickness 6.5 mm (Center) 2.04 mm (Edge) Edge Thickness 2.04 mm Focal Length 31.25 mm (587.6 nm) f-Number 1.25 Numerical Aperture 0.4 Substrate L-BAL35 Center Thickness 6.5 mm Shape Round Clear Aperture 22.5 mm Centration < 5' Back Focal Length 27.16 mm Diameter Tolerance +0/-0.1 mm Center Thickness Tolerance ±0.1 mm Supplier Location New Jersey, USA See product details More from Avantier Inc.
Polished Aspheric Lens	40 mm	50 mm	600 - 1050 nm	Contact Supplier	Add to cart to request quote
Product Code Wavelength Range 600 - 1050 nm Center Wavelength 355 nm Reflectance < 1% (600 - 1050 nm, 0°) < 0.4% (600 - 1050 nm, Average, 0°) Diameter 50 mm Dimensions Ø 50 mm Focal Length 40 mm f-Number 0.8 Numerical Aperture 0.56 Substrate Fused Silica Shape Round Surface Quality 20-20 scratch-dig Working Distance 25.2 mm Mount Unmounted Surface Form Deviation RMS 300 nm Applications Collimation Supplier Location Germany See product details More from asphericon
Polished Aspheric Lens	40 mm	40 mm (±0.25)	-	In stock	$ 38.16
Product Code Diameter 40 mm (±0.25) Dimensions Ø 40 mm (±0.25 mm) Thickness 12.5 mm (Center) Focal Length 40 mm f-Number 1 (Calculated) Substrate B 270 Center Thickness 12.5 mm Shape Round Surface Quality < 80-50 scratch-dig Centration < 30' Type of Curvature Plano-Convex Supplier Location United Kingdom; Rhode Island, USA See product details More from Knight Optical
Polished Aspheric Lens	79 mm (±0.395 mm)	25.4 mm (1")	1050 - 1700 nm	In stock	$ 424.09
Product Code Wavelength Range 1050 - 1700 nm Center Wavelength 780 nm Coating BBAR (1050 - 1700 nm) Diameter 25.4 mm (1") Dimensions Ø 25.4 mm (1") Focal Length 79 mm (±0.395 mm) f-Number 3.11 Numerical Aperture 0.143 Substrate UV Fused Silica Shape Round Clear Aperture > 22.86 mm Working Distance 71 mm Surface Irregularity < λ/10 (PV, Flatness) < λ (RMS, Convex Surface) Mount Threaded Mount, SM, SM1 Coating Features Broadband Refractive Index 1.459 Damage Threshold Pulsed 7.5 J/cm² (0.189 mm, 10 ns, 10 Hz, 1542 nm) Sag ±0.002 mm Supplier Location New Jersey, USA See product details More from Thorlabs
Polished Aspheric Lens	21 mm	25 mm (±0.25)	-	In stock	$ 23.63
Product Code Diameter 25 mm (±0.25) Dimensions Ø 25 mm (±0.25 mm) Thickness 10.5 mm (Center) Focal Length 21 mm f-Number 0.84 (Calculated) Substrate B 270 Center Thickness 10.5 mm Shape Round Surface Quality < 80-50 scratch-dig Centration < 30' Type of Curvature Convex-Convex Supplier Location United Kingdom; Rhode Island, USA See product details More from Knight Optical
Polished Aspheric Lens	25 mm (4000 nm)	25 mm	3000 - 5000 nm	In stock	$ 725.00
Product Code Wavelength Range 3000 - 5000 nm Coating BBAR (3000 - 5000 nm) Reflectance < 3% (3000 - 5000 nm, Average) Diameter 25 mm Dimensions Ø 25 mm Thickness 3.8 mm (Center) 2.44 mm (Edge) Edge Thickness 2.44 mm Focal Length 25 mm (4000 nm) f-Number 1 Numerical Aperture 0.5 Substrate Silicon Center Thickness 3.8 mm Shape Round Clear Aperture 22.5 mm Surface Quality 60-40 scratch-dig Centration < 10' Back Focal Length 22.5 mm Diameter Tolerance +0/-0.1 mm Center Thickness Tolerance ±0.1 mm Surface Irregularity 100 nm (RMS) < 300 nm (PV) Coating Features Broadband Radius of Curvature 43.582 mm Bevels Protective bevel as needed Supplier Location New Jersey, USA See product details More from Edmund Optics
Polished Aspheric Lens	15 mm	12.5 mm	1064 nm	Contact Supplier	Add to cart to request quote
Product Code Wavelength Range 1064 nm Center Wavelength 285 nm Reflectance < 0.25% (1064 nm, 0°) Diameter 12.5 mm Dimensions Ø 12.5 mm Focal Length 15 mm f-Number 1.2 Numerical Aperture 0.39 Substrate Fused Silica Shape Round Surface Quality 20-20 scratch-dig Working Distance 12.3 mm Mount Unmounted Surface Form Deviation RMS 300 nm Applications Collimation Supplier Location Germany See product details More from asphericon
Polished Aspheric Lens	20 mm	12.5 mm	400 - 600 nm	Contact Supplier	Add to cart to request quote
Product Code Wavelength Range 400 - 600 nm Center Wavelength 285 nm Reflectance < 1% (400 - 600 nm, 0°) < 0.4% (400 - 600 nm, Average, 0°) Diameter 12.5 mm Dimensions Ø 12.5 mm Focal Length 20 mm f-Number 1.6 Numerical Aperture 0.29 Substrate Fused Silica Shape Round Surface Quality 20-20 scratch-dig Working Distance 17.3 mm Mount Non-Threaded Mount, 12.5 mm Surface Form Deviation RMS 300 nm Applications Collimation Supplier Location Germany See product details More from asphericon
Polished Aspheric Lens	112.5 mm (587.6 nm)	75 mm	350 - 2200 nm	In stock	$ 810.00
Product Code Wavelength Range 350 - 2200 nm Coating BBAR (600 - 1050 nm) Reflectance < 1.5% (600 - 1050 nm, Average) Diameter 75 mm Dimensions Ø 75 mm Thickness 16.8 mm (Center) 4.13 mm (Edge) Edge Thickness 4.13 mm Focal Length 112.5 mm (587.6 nm) f-Number 1.5 Numerical Aperture 0.33 Substrate N-BK7 Center Thickness 16.8 mm Shape Round Clear Aperture 67.5 mm Surface Quality 60-40 scratch-dig Centration < 5' Back Focal Length 101.42 mm Diameter Tolerance +0/-0.1 mm Center Thickness Tolerance ±0.1 mm Surface Irregularity 1.2λ (632.8 nm, RMS) Coating Features Broadband Bevels Protective bevel as needed Supplier Location New Jersey, USA See product details More from Edmund Optics
Polished Aspheric Lens	15 mm (±0.15 mm)	18 mm (Outer)	1050 - 1700 nm	In stock	$ 250.65
Product Code Wavelength Range 1050 - 1700 nm Center Wavelength 780 nm Coating BBAR (1050 - 1700 nm) Diameter 18 mm (Outer) Dimensions Ø 18 mm Thickness 6.2 mm (Center) Focal Length 15 mm (±0.15 mm) f-Number 0.83 Numerical Aperture 0.53 Substrate S-LAH64 Center Thickness 6.2 mm Shape Round Clear Aperture Ø 14.5 mm (Plano Side) Ø 16.5 mm (Aspheric Side) Working Distance 11.5 mm Surface Irregularity < (RMS, Convex Surface) Coating Features Broadband Refractive Index 1.788 Damage Threshold Pulsed 7.5 J/cm² (1 mm, 10 ns, 10 Hz, 1064 nm) 7.5 J/cm² (0.246 mm, 10 ns, 10 Hz, 1542 nm) 7.5 J/cm² (0.123 mm, 10 ns, 10 Hz, 1542 nm) Sag ±0.0075 mm Supplier Location New Jersey, USA See product details More from Thorlabs
Polished Aspheric Lens	225 mm (587.6 nm)	150 mm	350 - 2200 nm	Contact Supplier	$ 1950.00
Product Code Wavelength Range 350 - 2200 nm Coating Uncoated Diameter 150 mm Dimensions Ø 150 mm Thickness 31.8 mm (Center) 6.46 mm (Edge) Edge Thickness 6.46 mm Focal Length 225 mm (587.6 nm) f-Number 1.5 Numerical Aperture 0.33 Substrate N-BK7 Center Thickness 31.8 mm Shape Round Clear Aperture 128 mm Centration < 5' Back Focal Length 204.04 mm Diameter Tolerance +0/-0.1 mm Center Thickness Tolerance ±0.1 mm Supplier Location New Jersey, USA See product details More from Avantier Inc.
Polished Aspheric Lens	25 mm (±0.25 mm)	12.5 mm (Outer)	650 - 1050 nm	In stock	$ 217.39
Product Code Wavelength Range 650 - 1050 nm Center Wavelength 780 nm Coating BBAR (650 - 1050 nm) Diameter 12.5 mm (Outer) Dimensions Ø 12.5 mm Thickness 4 mm (Center) Focal Length 25 mm (±0.25 mm) f-Number 2 Numerical Aperture 0.23 Substrate N-BK7 Center Thickness 4 mm Shape Round Clear Aperture Ø 10.4 mm (Plano Side) Ø 11.3 mm (Aspheric Side) Working Distance 22.4 mm Surface Irregularity < (RMS, Convex Surface) Coating Features Broadband Refractive Index 1.517 Damage Threshold Pulsed 7.5 J/cm² (0.155 mm, 10 ns, 10 Hz, 810 nm) 7.5 J/cm² (0.144 mm, 10 ns, 10 Hz, 810 nm) Sag ±0.0075 mm Supplier Location New Jersey, USA See product details More from Thorlabs
Polished Aspheric Lens	50.8 mm (2", 1064 nm)	25.4 mm (1")	400 - 1200 nm	Contact Supplier	$ 825.00
Product Code Wavelength Range 400 - 1200 nm Diameter 25.4 mm (1") Dimensions Ø 25.4 mm (1") Thickness 8.4 mm (Center) 4.7 mm (Edge) Edge Thickness 4.7 mm Focal Length 50.8 mm (2", 1064 nm) f-Number 2 Numerical Aperture 0.25 Substrate Fused Silica Center Thickness 8.4 mm Shape Round Clear Aperture 21.4 mm Centration < 1' Back Focal Length 45.03 mm Diameter Tolerance +0/-0.05 mm Supplier Location New Jersey, USA See product details More from Avantier Inc.
Polished Aspheric Lens	20 mm	12.5 mm	1000 - 1600 nm	Contact Supplier	Add to cart to request quote
Product Code Wavelength Range 1000 - 1600 nm Center Wavelength 285 nm Reflectance < 1% (1000 - 1600 nm, 0°) < 0.4% (1000 - 1600 nm, Average, 0°) Diameter 12.5 mm Dimensions Ø 12.5 mm Focal Length 20 mm f-Number 1.6 Numerical Aperture 0.29 Substrate Fused Silica Shape Round Surface Quality 20-20 scratch-dig Working Distance 17.3 mm Mount Non-Threaded Mount, 12.5 mm Surface Form Deviation RMS 300 nm Applications Collimation Supplier Location Germany See product details More from asphericon
Polished Aspheric Lens	11.25 mm (587.6 nm)	-	390 - 2500 nm	In stock	$ 281.00
Product Code Wavelength Range 390 - 2500 nm Coating Uncoated Dimensions 10 x 10 mm Thickness 10.02 mm (Center) 8.59 mm (Edge) Edge Thickness 8.59 mm Focal Length 11.25 mm (587.6 nm) f-Number 1.13 Numerical Aperture 0.44 Substrate N-SF6 Center Thickness 10.02 mm Shape Square Clear Aperture 9 x 9 mm Surface Quality 40-20 scratch-dig Centration < 1' Back Focal Length 5.71 mm Center Thickness Tolerance ±0.1 mm Surface Irregularity 2λ/5 (632.8 nm, RMS) Bevels Protective bevel as needed Supplier Location New Jersey, USA See product details More from Edmund Optics
Polished Aspheric Lens	12 mm	15 mm	600 - 1050 nm	Contact Supplier	Add to cart to request quote
Product Code Wavelength Range 600 - 1050 nm Center Wavelength 780 nm Reflectance < 1% (600 - 1050 nm, 0°) < 0.4% (600 - 1050 nm, Average, 0°) Diameter 15 mm Dimensions Ø 15 mm Focal Length 12 mm f-Number 0.8 Numerical Aperture 0.55 Substrate S-LAH64 Shape Round Surface Quality 60-40 scratch-dig Working Distance 9 mm Mount Non-Threaded Mount, 15 mm Surface Form Deviation RMS 100 nm Supplier Location Germany See product details More from asphericon
Polished Aspheric Lens	5.9 mm	6.8 mm (±0.25)	-	In stock	$ 19.81
Product Code Diameter 6.8 mm (±0.25) Dimensions Ø 6.8 mm (±0.25 mm) Thickness 2.9 mm (Center) Focal Length 5.9 mm f-Number 0.8676 (Calculated) Substrate B 270 Center Thickness 2.9 mm Shape Round Surface Quality < 80-50 scratch-dig Centration < 30' Back Focal Length 4 mm Type of Curvature Plano-Convex Supplier Location United Kingdom; Rhode Island, USA See product details More from Knight Optical
Polished Aspheric Lens	37.5 mm (8000 nm)	12.5 mm	2000 - 16000 nm	Contact Supplier	$ 590.00
Product Code Wavelength Range 2000 - 16000 nm Coating Uncoated Diameter 12.5 mm Dimensions Ø 12.5 mm Thickness 3 mm (Center) 2.83 mm (Edge) Edge Thickness 2.83 mm Focal Length 37.5 mm (8000 nm) f-Number 3 Numerical Aperture 0.16 Substrate Germanium Center Thickness 3 mm Shape Round Clear Aperture 11.25 mm Centration < 5' Back Focal Length 36.75 mm Diameter Tolerance +0/-0.1 mm Center Thickness Tolerance ±0.1 mm Surface Irregularity λ/6 (RMS) Supplier Location New Jersey, USA See product details More from Avantier Inc.
Polished Aspheric Lens	17.5 mm	25 mm	240 - 380 nm	Contact Supplier	Add to cart to request quote
Product Code Wavelength Range 240 - 380 nm Center Wavelength 355 nm Reflectance < 1% (240 - 380 nm, 0°) < 0.4% (240 - 380 nm, Average, 0°) Diameter 25 mm Dimensions Ø 25 mm Focal Length 17.5 mm f-Number 0.7 Numerical Aperture 0.64 Substrate Fused Silica Shape Round Surface Quality 20-20 scratch-dig Working Distance 10 mm Mount Non-Threaded Mount, 25 mm Surface Form Deviation RMS 300 nm Applications Collimation Supplier Location Germany See product details More from asphericon