Fuzhou Esteemoptics Co.,Ltd

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

PRODUCTS > OPTICAL COMPONENTS > LENS > FS DOUBLE CONCAVE LENSES

Specifications:

Material: UV Grade Fused Silica  

Design Wavelength: 546.1nm

Design Index: 1.46008 +/-0.00005

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: DCV1201

(Part Numer)

Part No.	f(mm)	φ(mm)	R1(mm)	tc(mm)	te(mm)	fb(mm)
DCV1201	-15	12.7	14.11	2	5	-15.7
DCV1202	-20	12.7	18.71	2	4.2	-20.7
DCV1203	-25	12.7	23.32	2	3.7	-25.7
DCV1204	-30	12.7	27.92	2	3.5	-30.7
DCV1205	-40	12.7	37.12	2	3.1	-40.7
DCV1301	-25	25.4	23.32	2	9.5	-25.7
DCV1302	-35	25.4	32.52	2	7.2	-35.7
DCV1303	-50	25.4	46.32	2	5.6	-50.7
DCV1304	-75	25.4	69.33	2	4.3	-75.7
DCV1305	-100	25.4	92.33	2	3.8	-100.7
DCV1306	-150	25.4	138.34	2	3.2	-150.7
DCV1307	-200	25.4	184.35	2	2.9	-200.7
DCV1308	-250	25.4	230.36	2	2.7	-250.7
DCV1309	-300	25.4	276.36	2	2.6	-300.7
DCV1311	-500	25.4	460.40	2	2.4	-500.7
DCV1312	-1000	25.4	920.48	2	2.2	-1000.7
DCV1401	-50	38	46.48	3	11.1	-51
DCV1402	-100	38	92.49	3	6.9	-101
DCV1403	-150	38	138.50	3	5.6	-151
DCV1404	-200	38	184.50	3	5	-201
DCV1405	-350	38	322.53	3	4.1	-351
DCV1406	-500	38	460.55	3	3.8	-501