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BK7 Series Lens Kit

BK7 Series Lens Kit

Lens kits contain 40 or 15 lenses made from BK7 optical glass. The kits are suitable for optics studies and research purposes where multiple focal length lenses may be required.

from 341 $
delivery Estimated delivery time: 4 - 5 days
Products
List of Lenses
Specifications
Brochures
Description
Coating
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Large lens kits (40 lenses)
Code Coating Price Delivery Add to cart
140-0240 uncoated 858 $ 4 - 5 days
140-0240-AR400-700 BBAR @ 400-700 nm, R<0.9 % 2002 $ 3 - 4 weeks
i 140-0240-AR650-1100 BBAR @ 650-1100 nm, R<1 % 2123 $ 3 - 4 weeks
140-0240-AR1050-1700 BBAR @ 1050-1700 nm, R<1 % 2233 $ 3 - 4 weeks
i 140-0240-AR532+1064 AR @ 532+1064 nm, R<0.5 % 1925 $ 3 - 4 weeks
i 140-0240-AR1064 AR @ 1064 nm, R<0.25 % 1705 $ 3 - 4 weeks
i 140-0240-AR532 AR @ 532 nm, R<0.25 % 1705 $ 3 - 4 weeks
Small lens kits (15 lenses)
Code Coating Price Delivery Add to cart
140-0215 uncoated 341 $ Request
140-0215-AR400-700 BBAR @ 400-700 nm, R<0.9 % 1089 $ Request
i 140-0215-AR650-1100 BBAR @ 650-1100 nm, R<1 % 1155 $ Request
140-0215-AR1050-1700 BBAR @ 1050-1700 nm, R<1 % 1265 $ Request
i 140-0215-AR532+1064 AR @ 532+1064 nm, R<0.5 % 847 $ Request
i 140-0215-AR1064 AR @ 1064 nm, R<0.25 % 770 $ Request
i 140-0215-AR532 AR @ 532 nm, R<0.25 % 770 $ Request

List of Lenses in Small N-BK7 Lens Kit


Code Dia, mm* F, mm Centre Thickness
CT, mm
Edge Thickness
ET, mm
Plano-convex lenses (10 pcs.)
110-0205E  25.4 30 8.5 2.3
110-0207E  25.4 40 6.1 2.0
110-0209E  25.4 50 5.0 2.0
110-0211E  25.4 60 4.4 2.0
110-0215E  25.4 75 4.0 2.0
110-0219E  25.4 100 3.5 2.0
110-0227E  25.4 150 3.0 2.0
110-0231E  25.4 200 3.0 2.2
110-0247E  25.4 500 3.0 2.7
110-0259E 25.4 1000 3.0 2.8
Plano-concave lenses (5 pcs.)
112-0207E 25.4 -40 1.7 6.0
112-0209E 25.4 -50 2.8 6.0
112-0215E 25.4 -75 2.9 5.0
112-0219E 25.4 -100 3.1 4.5
112-0227E  25.4  -150 2.7 3.7

*Diameter tolerance: +0.0/-0.5 mm

 

List of Lenses in Large N-BK7 Lens Kit


Code Dia, mm* F, mm Centre Thickness
CT, mm
Edge Thickness
ET, mm
Plano-convex lenses (16 pcs.)
110-0205E  25.4 30 8.5 2.3
110-0207E  25.4 40 6.1 2.0
110-0209E  25.4 50 5.0 2.0
110-0211E  25.4 60 4.4 2.0
110-0215E  25.4 75 4.0 2.0
110-0219E  25.4 100 3.5 2.0
110-0223E  25.4 125 3.2 2.0
110-0227E  25.4 150 3.0 2.0
110-0231E  25.4 200 3.0 2.2
110-0235E  25.4 250 3.0 2.4
110-0239E  25.4   300  3.0 2.5
110-0241E  25.4 350 3.0 2.5
110-0243E  25.4 400 3.0 2.5
110-0247E  25.4 500 3.0 2.7
110-0251E  25.4 700 3.0 2.8
110-0259E 25.4 1000 3.0 2.8
Biconvex lenses (12 pcs)
111-0204E 25.4 25 9.0 2.1
111-0206E 25.4 30 7.5 2.4
111-0208E 25.4 40 6.0 3.0
111-0210E 25.4 50 6.0 3.0
111-0214E 25.4 60 4.0 1.6
111-0216E 25.4 75 4.0 2.0
111-0218E 25.4 100 4.0 2.5
111-0222E 25.4 150 4.0 3.0
111-0226E 25.4 200 4.0 3.2
111-0228E  25.4  250 4.0 3.4
111-0234E 25.4 500 4.0 3.7
111-0250E 25.4 1000 4.0 3.8
Plano-concave lenses (6 pcs.)
112-0207E 25.4 -40 1.7 6.0
112-0209E 25.4 -50 2.8 6.0
112-0215E 25.4 -75 2.9 5.0
112-0219E 25.4 -100 3.1 4.5
112-0227E  25.4  -150 2.7 3.7
112-0231E 25.4 -200 3.0 3.7
Biconcave lenses (6 pcs.)
114-0204E  25.4 -25 4.8 8.3
114-0208E  25.4 -50 4.4 6.0
114-0212E  25.4 -75 3.7 4.7
114-0214E  25.4  -100 3.2 4.0
114-0220E  25.4 -150 3.0 4.0
114-0224E  25.4 -200 2.8 3.5

*Diameter tolerance: +0.0/-0.5 mm

 

Material BK7
Surface quality 40-20 scratch & dig (MIL-PRF-13830B)
Clear aperture 90% of the diameter
Diameter tolerance +0.00, -0.12 mm
Thickness tolerance ±0.5 mm
Surface irregularity λ/8 @ 633 nm
Concentricity 3 arcmin

Paraxial focal length:
   BK7


±2% @ 546 nm

EKSMA Optics BK7 Lens Kits
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Lens kits contain a range of Ø 25.4 mm N-BK7 lenses with various different focal lengths. Kits include plano/convex, biconvex, plano/concave and biconcave lenses packed into a plastic box for safe handling and storage.

 

We offer lens kits of two sizes: large lens kits with 40 lenses and small lens kit with 15 lenses. Lens kits are packed into plastic boxes:  large (40 pcs) - 35 x 30 x 6 cm, small (16 pcs) - 25 x 21 x 5 cm.

 

Lens kits can be supplied coated - have a look at different standard BBAR or AR coatings at particular laser wavelengths for high power laser applications.

 

Send us a request in case you would like to have a quote for a lens kit with other types of lenses and/or antireflective coatings. Standard UV FS Lens kits are also available for quick delivery.