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BK7 Series Lens Kit

BK7 Series Lens Kit

Lens kits contain 40 lenses made from BK7 optical glass. One inch diameter research quality lenses of all four basic shapes for optics study and research purposes.
The kits are suitable for optics study and research purposes where multiple focal length lenses may be required.
EKSMA OPTICS lens kits contain a selection of one inch diameter research quality lenses of all four basic shapes.
Plano-convex and biconvex lenses cover focal distance from 25 to 1000 mm.
Focal length of plano-concave lenses ranges from  -50 to -300 mm while the one of biconcave - from  -25 to -200 mm.
All lenses are organized in compact hardwood box that can be used for permanent storage. Lens kits dimensions (WxHxD) - 30x7x40 cm.
Kits are available with broadband multilayer anti-reflection coatings for 400-700 nm.

Code Coating Item price, USD In stock Add to cart
140-0240 uncoated Request Request Add to cart
147-0240 AR@400-700 nm Request Request Add to cart
 BK7 Lens Kit

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

*Diameter tolerance: +0.0/-0.5 mm

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