Fuzhou Esteemoptics Co.,Ltd

FEATURED IN OPTICAL COATING, HIGH POWER MIRRORS, BANDPASS FILTERS, PRECISION OPTICS.

PRODUCTS > OPTICAL COMPONENTS > LENS > BK7 DOUBLE CONCAVE LENSES

Specifications:

Material: BK7 grade A optical glass

Design Wavelength: 546.1nm

Design Index: 1.5183 +/-0.0005

Diameter Tolerance: +0.0, -0.15mm

Paraxial Focal Length: +/-2%

Centration: 3 arc minutes

Clear Aperture: >80%

Surface Figure: λ/4@632.8nm

Surface Quality: 60-40 scratch and dig

Bevel: 0.25 mm x 45°

Standard Size

How to Order:

For Example: DCV0101

(Part Numer)

Part No.	f(mm)	φ(mm)	R1=R2(mm)	tc(mm)	te(mm)	fb(mm)
DCV0101	-8	6	8.62	2	3	-8.6
DCV0102	-12	6	12.77	2	2.7	-12.6
DCV0103	-18	6	18.99	2	2.5	-18.6
DCV0207	-10	10	10.7	2	4.5	-10.6
DCV0201	-15	12.7	15.88	2	4.6	-15.6
DCV0202	-20	12.7	21.07	2	4	-20.6
DCV0203	-25	12.7	26.25	2	3.6	-25.7
DCV0204	-30	12.7	31.44	2	3.3	-30.7
DCV0205	-40	12.7	41.8	2	3	-40.7
DCV0206	-50	12.7	52.17	2	2.8	-50.7
DCV0301	-35	25.4	36.62	2	6.5	-35.7
DCV0302	-50	25.4	52.17	2	5.1	-50.7
DCV0303	-75	25.4	78.09	2	4.1	-75.7
DCV0304	-100	25.4	104	2	3.6	-100.7
DCV0305	-125	25.4	129.92	2	3.2	-125.7
DCV0306	-150	25.4	155.83	2	3	-150.7
DCV0307	-175	25.4	181.75	2	2.9	-175.7
DCV0308	-200	25.4	207.66	2	2.8	-200.7
DCV0309	-250	25.4	259.49	2	2.6	-250.7
DCV0310	-300	25.4	311.32	2	2.5	-300.7
DCV0311	-500	25.4	518.64	2	2.3	-500.7
DCV0312	-1000	25.4	1036.94	2	2.2	-1000.7
DCV0401	-50	38	52.34	3	10.1	-51
DCV0402	-100	38	104.17	3	6.5	-101
DCV0403	-150	38	156	3	5.3	-151
DCV0404	-200	38	207.83	3	4.7	-201
DCV0405	-350	38	363.32	3	4	-351
DCV0406	-500	38	518.81	3	3.7	-501
DCV0407	-700	38	726.13	3	3.5	-701
DCV0501	-100	50	104.17	3	9.1	-101
DCV0502	-150	50	156	3	7	-151
DCV0503	-200	50	207.83	3	6	-201
DCV0504	-250	50	259.66	3	5.4	-251
DCV0505	-400	50	415.15	3	4.5	-401
DCV0506	-450	50	466.91	3	4.3	-451
DCV0507	-500	50	518.82	3	4.2	-501
DCV0508	-600	50	622.47	3	4	-601
DCV0509	-800	50	829.73	3	3.8	-801