3 days delivery for on-shelf products or 2 Weeks for samples. Free design services. Direct supports from Canada office. 3 days delivery for on-shelf products or 2 Weeks for samples. Free  design Service ODM or OEM services available  Supports from Canada office As large as 400mm  diameter available

Main Specifications:

Materical	BK7 or other optical glass, Fused Silica, CaF2, ZnSe
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 at 632.8nm
Chamfer	<0.25 mm x 45°

BK7 Standard Products:

Part No.	f (mm)	dia (mm)	R1 =R2(mm)	tc (mm)	te (mm)	fb (mm)
LEN1101	10	10	9.45	4.9	2	8.2
LEN1102	15	12.7	14.66	4.9	2	13.3
LEN1103	20	12.7	20.01	4	2	18.6
LEN1104	25	12.7	25.28	3.6	2	23.8
LEN1105	30	12.7	30.52	3.3	2	28.9
LEN1106	50	12.7	51.35	2.8	2	49.1
LEN1107	100	12.7	103.25	2.4	2	99.2
LEN1108	22	20	21.577	6.9	2	19.6
LEN1109	25.4	20	25.265	6.1	2	23.3
LEN1110	25.4	25.4	24.712	9	2	22.2
LEN1111	35	25.4	35.09	6.8	2	32.7
LEN1112	50	25.4	50.92	5.2	2	48.3
LEN1113	75	25.4	77.04	4.1	2	73.6
LEN1114	100	25.4	103.05	3.6	2	98.8
LEN1115	125	25.4	129.02	3.3	2	123.9
LEN1116	150	25.4	154.97	3	2	149
LEN1117	175	25.4	180.91	2.9	2	174
LEN1118	200	25.4	206.84	2.8	2	199
LEN1119	300	25.4	310.55	2.5	2	299.2
LEN1120	500	25.4	517.91	2.3	2	499.2
LEN1121	50	30	50.731	6.5	2	47.8
LEN1122	50	38	49.97	10.5	3	46.4
LEN1123	100	38	102.52	6.5	3	97.8
LEN1124	150	38	154.57	5.4	3	148.2
LEN1125	200	38	206.51	4.8	3	198.4
LEN1126	63.5	40	64.38	8.3	1.9	60.7
LEN1127	100	50	102.06	9.2	3	96.9
LEN1128	200	50	206.28	6	3	198
LEN1129	400	50	413.87	4.5	3	398.5
LEN1130	500	80	517.678	6.1	2	498
LEN1131	250	100	257	13.7	3.9	245.4

Double Convex Lenses