Plano-Concave Spherical Lenses are available in both Laser Quality and Analytical Quality polish designated as LQ (Laser Quality) and AQ (Analytical Quality). Plano-Concave Spherical Lenses are available in UV Grade Fused Silica (FS) & BK7 Glass materials. Plano-Concave Spherical Lenses have one flat (plano) surface and one spherical surface curved inward (concave) to diverge the transmitted rays from an object, thus forming a real or virtual image of that object.. Plano-Concave Spherical Lenses are typically used to diverge collimated incident light. Often used to expand light or increase focal lengths in an optical system. These lenses have negative Effective Focal Lengths.
For more information about Spherical Lenses, refer to our Optics Tutorial page.
SPECIFICATIONS
Material: BK7 Glass & UV Grade Fused Silica (FS)
Effective Focal Length Tol.: LQ=± 0.5% / AQ=± 3%
Diameter (Dia = Ø) Tolerance: ± 0.25mm
Thickness Tolerance: ± 0.25mm
Surface Figure: LQ = l/10 @ 633 nm nominal
AQ = ~l/2 @ 633 nm nominal
Surface Finish: LQ = 10-5 both surfaces
AQ = < 60-40 both surfaces
Clear Aperture: central 85%
Centration: < 3 arc minutes
Chamfer: ~ 0.30mm @45 deg.
(LQ = Laser Quality / AQ = Analytical Quality)
All dimensions in mm
|
|
DIA Ø |
RADIUS (R) |
EFL |
QUALITY |
MATERIAL |
PRODUCT # |
PRICE |
ORDER |
25.4 |
77.3 |
-150 |
Laser Quality Lens |
BK7 |
LQB2515LCC |
$150.00 |
LQB2515LCC |
25.0 |
77.3 |
-150 |
Analytical Quality Lens |
BK7 |
AQB2515LCC |
$85.00 |
AQB2515LCC |
25.4 |
77.3 |
-150 |
Laser Quality Lens |
Fused Silica |
LQF2515LCC |
$185.00 |
LQF2515LCC |
25.0 |
77.3 |
-150 |
Analytical Quality Lens |
Fused Silica |
AQF2515LCC |
$135.00 |
AQF2515LCC |
50.8 |
77.3 |
-150 |
Analytical Quality Lens |
BK7 |
AQB5015LCC |
$95.00 |
AQB5015LCC |
50.8 |
77.3 |
-150 |
Laser Quality Lens |
Fused Silica |
LQF5015LCC |
$260.00 |
LQF5015LCC |
50.8 |
77.3 |
-150 |
Analytical Quality Lens |
Fused Silica |
AQF5015LCC |
$240.00 |
AQF5015LCC |
25.4 |
103 |
-200 |
Laser Quality Lens |
BK7 |
LQB2520LCC |
$150.00 |
LQB2520LCC |
25.0 |
103 |
-200 |
Analytical Quality Lens |
BK7 |
AQB2520LCC |
$85.00 |
AQB2520LCC |
25.4 |
103 |
-200 |
Laser Quality Lens |
Fused Silica |
LQF2520LCC |
$185.00 |
LQF2520LCC |
25.0 |
103 |
-200 |
Analytical Quality Lens |
Fused Silica |
AQF2520LCC |
$140.00 |
AQF2520LCC |
50.8 |
103 |
-200 |
Laser Quality Lens |
BK7 |
LQB5020LCC |
$175.00 |
LQB5020LCC |
50.8 |
103 |
-200 |
Analytical Quality Lens |
BK7 |
AQB5020LCC |
$95.00 |
AQB5020LCC |
50.8 |
103 |
-200 |
Laser Quality Lens |
Fused Silica |
LQF5020LCC |
$260.00 |
LQF5020LCC |
50.8 |
103 |
-200 |
Analytical Quality Lens |
Fused Silica |
AQF5020LCC |
$220.00 |
AQF5020LCC |
25.4 |
129 |
-250 |
Laser Quality Lens |
BK7 |
LQB2525LCC |
$150.00 |
LQB2525LCC |
30.0 |
129 |
-250 |
Analytical Quality Lens |
BK7 |
AQB3025LCC |
$85.00 |
AQB3025LCC |
25.4 |
129 |
-250 |
Laser Quality Lens |
Fused Silica |
LQF2525LCC |
$185.00 |
LQF2525LCC |
30.0 |
129 |
-250 |
Analytical Quality Lens |
Fused Silica |
AQF3025LCC |
$145.00 |
AQF3025LCC |
50.8 |
129 |
-250 |
Laser Quality Lens |
BK7 |
LQB5025LCC |
$175.00 |
LQB5025LCC |
50.8 |
129 |
-250 |
Analytical Quality Lens |
BK7 |
AQB5025LCC |
$95.00 |
AQB5025LCC |
50.8 |
129 |
-250 |
Laser Quality Lens |
Fused Silica |
LQF5025LCC |
$260.00 |
LQF5025LCC |
50.8 |
129 |
-250 |
Analytical Quality Lens |
Fused Silica |
AQF5025LCC |
$230.00 |
AQF5025LCC |
25.4 |
257 |
-500 |
Laser Quality Lens |
BK7 |
LQB25500LCC |
$150.00 |
LQB25500LCC |
25.4 |
257 |
-500 |
Laser Quality Lens |
Fused Silica |
LQF25500LCC |
$185.00 |
LQF25500LCC |
50.8 |
257 |
-500 |
Laser Quality Lens |
Fused Silica |
LQF50500LCC |
$260.00 |
LQF50500LCC |
50.8 |
257 |
-500 |
Analytical Quality Lens |
Fused Silica |
AQF50500LCC |
$225.00 |
AQF50500LCC |
25.4 |
515 |
-1000 |
Laser Quality Lens |
Fused Silica |
LQF25100LCC |
$185.00 |
LQF25100LCC |
50.8 |
515 |
-1000 |
Laser Quality Lens |
Fused Silica |
LQF50100LCC |
$260.00 |
LQF50100LCC |
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