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Plano-Concave Spherical Lenses
EFL -150mm to -1000mm


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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· Add a Laser Quality AR Coating to any "LQ" Product # Lens above...

 

            · AR Coatings for all Analytical Quality "AQ" Product # Lenses are  

     available ONLY by special Request 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

                                                

                                                   
         eSource Optics / PMB 126, 1225 Providence Rd, Whitinsville, MA 01588

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