Bi-convex Lens

Bi-convex Lens


 Bi-convex Lens is manufactured with an identical convex surface on both sides of the lens. This kind of lenses has positive focal length and form both real and virtual images.

 

Common Specification
Material BK7/Fused Silica
Dimension Tolerance +0.0/-0.1 mm
Thickness Tolerance  ± 0.1 mm
Paraxial Focal Length ± 2%
Clear Aperture > 90%
Centration 3 arc minutes
Irregularity lambda/4 at 632.8 nm 
Surface Quality S/D 60-40
Bevel 0.2mmx45°
Coating According to the requirement
Part Number Material ф
(mm)
f
(mm)
R1=R2
(mm)
Tc
(mm)
Te
(mm)
fb
(mm)
BCX-BK7-D10.0-4.9CT-F10 BK7 10.0 10.00 9.45 4.9 2 8.2
BCX-BK7-D12.7-4.9CT-F15 BK7 12.7 15.00 14.66 4.9 2 13.3
BCX-BK7-D12.7-4.0CT-F20 BK7 12.7 20.00 20.01 4 2 18.6
BCX-BK7-D12.7-3.6CT-F25 BK7 12.7 25.00 25.28 3.6 2 23.8
BCX-BK7-D12.7-3.3CT-F30 BK7 12.7 30.00 30.52 3.3 2 28.9
BCX-BK7-D12.7-3.0CT-F40 BK7 12.7 40.00 40.95 3 2 39
BCX-BK7-D12.7-2.8CT-F50 BK7 12.7 50.00 51.35 2.8 2 49.1
BCX-BK7-D12.7-2.6CT-F75 BK7 12.7 75.00 77.3 2.6 2 74.1
BCX-BK7-D12.7-2.4CT-F100 BK7 12.7 100.00 103.25 2.4 2 99.2
BCX-BK7-D25.4-6.8CT-F35 BK7 25.4 35.00 35.09 6.8 2 32.7
BCX-BK7-D25.4-9.0CT-F25.4 BK7 25.4 25.40 24.712 9 2 22.2
BCX-BK7-D25.4-7.3T-F31.7 BK7 25.4 31.70 31.56 7.3 2 29.2
BCX-BK7-D25.4-5.2CT-F50 BK7 25.4 50.00 50.92 5.2 2 48.3
BCX-BK7-D25.4-4.1CT-F75 BK7 25.4 75.00 77.04 4.1 2 73.6
BCX-BK7-D25.4-3.6CT-F100 BK7 25.4 100.00 103.05 3.6 2 98.8
BCX-BK7-D25.4-3.3CT-F125 BK7 25.4 125.00 129.02 3.3 2 123.9
BCX-BK7-D25.4-3.0CT-F150 BK7 25.4 150.00 154.97 3 2 149
BCX-BK7-D25.4-2.9CT-F175 BK7 25.4 175.00 180.91 2.9 2 174
BCX-BK7-D25.4-2.8CT-F200 BK7 25.4 200.00 206.84 2.8 2 199
BCX-BK7-D25.4-2.6CT-F250 BK7 25.4 250.00 258.7 2.6 2 249.1
BCX-BK7-D25.4-2.5CT-F300 BK7 25.4 300.00 310.55 2.5 2 299.2
BCX-BK7-D25.4-2.3CT-F500 BK7 25.4 500.00 517.91 2.3 2 499.2
BCX-BK7-D25.4-2.2CT-F1000 BK7 25.4 1000.00 1036.23 2.2 2 999.3
Part Number Material ф
(mm)
f
(mm)
R1=R2
(mm)
Tc
(mm)
Te
(mm)
fb
(mm)
BCX-JGS1-D12.7-5.3CT-F15 Fused Silica 12.7 15.0 12.9 5.3 2 13.1
BCX-JGS1-D12.7-4.4CT-F20 Fused Silica 12.7 20.0 17.69 4.4 2 18.4
BCX-JGS1-D12.7-3.8CT-F25 Fused Silica 12.7 25.0 22.38 3.8 2 23.7
BCX-JGS1-D12.7-3.5CT-F30 Fused Silica 12.7 30.0 27.04 3.5 2 28.8
BCX-JGS1-D12.7-3.1CT-F40 Fused Silica 12.7 40.0 36.31 3.1 2 38.9
BCX-JGS1-D25.4-10.4CT-F25 Fused Silica 25.4 25.0 21.22 10.4 2 21.1
BCX-JGS1-D25.4-7.4CT-F35 Fused Silica 25.4 35.0 30.99 7.4 2 32.4
BCX-JGS1-D25.4-5.7CT-F50 Fused Silica 25.4 50.0 45.1 5.7 2 48
BCX-JGS1-D25.4-4.4CT-F75 Fused Silica 25.4 75.0 68.32 4.4 2 73.5
BCX-JGS1-D25.4-3.8CT-F100 Fused Silica 25.4 100.0 91.42 3.8 2 98.7
BCX-JGS1-D25.4-3.2CT-F150 Fused Silica 25.4 150.0 137.52 3.2 2 148.9
BCX-JGS1-D25.4-2.9CT-F200 Fused Silica 25.4 200.0 183.58 2.9 2 199
BCX-JGS1-D25.4-2.0CT-F250 Fused Silica 25.4 250.0 229.61 2.7 2 249.1
BCX-JGS1-D25.4-2.6CT-F300 Fused Silica 25.4 300.0 275.64 2.6 2 299.1
BCX-JGS1-D25.4-2.4CT-F500 Fused Silica 25.4 500.0 459.71 2.4 2 499.2
BCX-JGS1-D25.4-2.2CT-F1000 Fused Silica 25.4 1000.0 919.82 2.2 2 999.2