Lens Plano Concave Lenses manufacturer from China Shanghai Pantotek Technologies Co., Ltd.

Place of Origin:

, China (Mainland)


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Product Detail

A lens is an optical device with perfect or approximate axial symmetry which transmits and refracts light, concentrating or diverging the beam.

Main Specifications:

      Materical
      Diameter Tolerance
      Paraxial Focal Length Tolerance
      Centration
      Surface Quality
      Clear Aperture
      Surface Figure
      Chamfer

BK7 or other optical glass, Fused Silica, CaF2, ZnSe
+0/-0.15mm
±2%
3 arc minutes
60-40 scratch and dig
>85%
λ/4 @ 632.8nm
<0.25 mm x 45°

BK7 Standard Products

Part No.	f (mm)	dia (mm)	R1 (mm)	tc (mm)	te (mm)	fb (mm)
LEN2101	-20.0	10.0	10.37	2.0	3.2	-21.3
LEN2102	-15.0	12.7	7.78	2.0	5.3	-16.3
LEN2103	-20.0	12.7	10.37	2.0	4.1	-21.3
LEN2104	-25.0	12.7	12.96	2.0	3.7	-26.3
LEN2105	-30.0	12.7	15.55	2.0	3.4	-31.3
LEN2106	-50.0	12.7	25.92	2.0	2.8	-51.3
LEN2107	-100.0	12.7	51.83	2.0	2.3	-101.3
LEN2108	-75.0	15.0	38.87	2.0	2.7	-76.3
LEN2109	-40.0	21.0	20.73	2.0	4.7	-41.3
LEN2110	-25.0	25.0	12.968	2.0	10.9	-26.3
LEN2111	-35.0	25.4	18.14	2.0	7.2	-36.3
LEN2112	-50.0	25.4	25.92	2.0	5.3	-51.3
LEN2113	-75.0	25.4	38.87	2.0	4.1	-76.3
LEN2114	-100.0	25.4	51.83	2.0	3.6	-101.3
LEN2115	-125.0	25.4	64.79	2.0	3.3	-126.3
LEN2116	-150.0	25.4	77.75	2.0	3.0	-151.3
LEN2117	-175.0	25.4	90.70	2.0	2.8	-176.3
LEN2118	-200.0	25.4	103.66	2.0	2.7	-201.3
LEN2119	-300.0	25.4	155.49	2.0	2.5	-301.3
LEN2120	-500.0	25.4	259.15	2.0	2.3	-501.3
LEN2121	-80.0	30.0	41.46	2.0	4.8	-81.3
LEN2122	-50.0	38.0	25.92	3.0	11.3	-52.0
LEN2123	-100.0	38.0	51.83	3.0	6.6	-102.0
LEN2124	-150.0	38.0	77.75	3.0	5.5	-152.0
LEN2125	-200.0	38.0	103.66	3.0	4.8	-202.0
LEN2126	-50.0	40.0	25.92	2.0	11.2	-51.3
LEN2127	-100.0	50.0	51.83	3.0	9.4	-102.0
LEN2128	-200.0	50.0	103.66	3.0	6.1	-202.0
LEN2129	-400.0	50.0	207.32	3.0	4.5	-402.0
LEN2130	-500.0	50.0	259.15	3.0	4.2	-502.0
LEN2131	-800.0	50.0	414.64	3.0	3.8	-802.0