Double Concave Lenses

///Double Concave Lenses

Double Concave Lenses

Double-Convex lenses (DCX) are used in image relay systems, or at near conjugates to imaging objects. DCX, together with two convex surfaces with equal radii, have positive focal lengths. In a variety of industries or applications, DCX lenses are used.
Z-Optics offers a wide range of Double-Convex lenses to maximize performance

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Please contact our multilingual professional sales team for more information or to place an order.
You can reach us at sales@z-optics.com or call us at + 86-577-8181-0885.

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Product Catalogue

 

Part No. f (mm) dia.(mm) R1=R2 (mm) tc (mm) te (mm) fb (mm)
LEN3101 -10.0 10.0 10.7 2.0 4.5 -10.6
LEN3102 -15.0 12.7 15.88 2.0 4.6 -15.6
LEN3103 -20.0 12.7 21.07 2.0 4.0 -20.6
LEN3104 -25.0 12.7 26.25 2.0 3.6 -25.7
LEN3105 -30.0 12.7 31.44 2.0 3.3 -30.7
LEN3106 -50.0 12.7 52.17 2.0 2.8 -50.7
LEN3107 -35.0 25.4 36.62 2.0 6.5 -35.7
LEN3108 -50.0 25.4 52.17 2.0 5.1 -50.7
LEN3109 -75.0 25.4 78.09 2.0 4.1 -75.7
LEN3110 -100.0 25.4 104.00 2.0 3.6 -100.7
LEN3111 -125.0 25.4 129.92 2.0 3.2 -125.7
LEN3112 -150.0 25.4 155.83 2.0 3.0 -150.7
LEN3113 -175.0 25.4 181.75 2.0 2.9 -175.7
LEN3114 -200.0 25.4 207.66 2.0 2.8 -200.7
LEN3115 -300.0 25.4 311.32 2.0 2.5 -300.7
LEN3116 -500.0 25.4 518.64 2.0 2.3 -500.7
LEN3117 -50.0 38.0 52.34 3.0 10.1 -51.0
LEN3118 -100.0 38.0 104.17 3.0 6.5 -101.0
LEN3119 -150.0 38.0 156.00 3.0 5.3 -151.0
LEN3120 -200.0 38.0 207.83 3.0 4.7 -201.0
LEN3121 -500.0 38.0 518.81 3.0 3.7 -501.0
LEN3122 -100.0 50.0 104.17 3.0 9.1 -101.0
LEN3123 -200.0 50.0 259.66 3.0 5.4 -201.0
LEN3124 -400.0 50.0 415.15 3.0 4.5 -401.0
LEN3125 -500.0 50.0 518.82 3.0 4.2 -501.0
LEN3126 -600.0 50.0 622.47 3.0 4.0 -601.0
LEN3127 -800.0 50.0 829.73 3.0 3.8 -801.0

Specifications

Materical

BK7 or other optical glass, Fused Silica, ZnSe, CaF2

Diameter Tolerance

+0/-0.15mm

Paraxial Focal Length Tolerance

±2%

Centration

3 arc minutes

Surface Quality

60-40 scratch and dig

Clear Aperture

>85%

Surface Figure

λ/4@632.8nm

Chamfer

<0.25 mm x 45°

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