STS23 Series

With high telecentricity and low distortion, BASSON bi-telecentric lenses are mainly applied to precision measurement and high-precision visual positioning fields.
BASSON STS23 Series Standard Bi-telecentric Lenses are standard F-mount lenses, available for industrial cameras with maximum sensor size of 4/3” (diagonal of 23mm).

lActual measured with full range of DOF, full range of FOV, and full range of wave length

lAvailable for Industrial Cameras with Sensor Size from 1/3” to 35Full

lLarge FOV from 11.5mm-315mm

lDistortion: <0.05% Telecentricity: <0.05°

lTG+ multi-layer coating, high transmittance

lOptions between high resolution and deep DOF are available

lCustomized aperture is available

lWorking distance can be adjusted within certain limits

lIndustrial grade waterproofing

Data

Lenses with High Resolution

Model	Magnification	WD（mm）	Object Side Resolution（μm）	DOF（mm）	NA	Actural Measured Telecentricity（°）	Actural Measured Distortion（%）	4/3"			23mm			Lens Mount
								H	V	D	H	V	D
								18.9	10.6	22.0	18.4	13.8	23.0
STS23025050F	0.920	50±5	5.47	0.44	0.0613	＜0.05	＜0.05	20	11	23	20	15	25	F
STS23035060F	0.657	60±5	7.66	0.87	0.0438	＜0.05	＜0.05	28	16	33	28	21	35	F
STS23045070F	0.511	70±5	9.85	1.44	0.0341	＜0.05	＜0.05	37	20	43	36	27	45	F
STS23060080F	0.383	80±5	13.13	2.55	0.0256	＜0.05	＜0.05	49	27	57	48	36	60	F
STS23070150F	0.329	150±5	15.32	3.47	0.0219	＜0.05	＜0.05	57	32	66	56	42	70	F
STS23085150F	0.271	150±5	18.60	5.12	0.0180	＜0.05	＜0.05	69	39	81	68	51	85	F
STS23105160F	0.219	160±5	22.97	7.82	0.0146	＜0.05	＜0.05	86	48	100	84	63	105	F
STS23125200F	0.184	220±5	27.35	11.08	0.0123	＜0.05	＜0.05	102	57	119	100	75	125	F
STS23155320F	0.148	320±5	33.91	17.03	0.0099	＜0.05	＜0.05	127	71	148	124	93	155	F
STS23155320FL	0.148	320±5	33.91	17.03	0.0099	＜0.05	＜0.05	127	71	148	124	93	155	F
STS23185320F	0.124	320±5	40.48	24.26	0.0083	＜0.05	＜0.05	152	85	176	148	111	185	F
STS23185320FL	0.124	320±5	40.48	24.26	0.0083	＜0.05	＜0.05	152	85	176	148	111	185	F
STS23215380F	0.107	380±5	47.04	32.77	0.0071	＜0.05	＜0.05	176	99	205	172	129	215	F
STS23215380FL	0.107	380±5	47.04	32.77	0.0071	＜0.05	＜0.05	176	99	205	172	129	215	F
STS23245380F	0.094	380±5	53.61	42.55	0.0063	＜0.05	＜0.05	201	113	234	196	147	245	F
STS23245380FL	0.094	380±5	53.61	42.55	0.0063	＜0.05	＜0.05	201	113	234	196	147	245	F
STS23270480F	0.085	480±5	59.08	51.68	0.0057	＜0.05	＜0.05	222	124	258	216	162	270	F
STS23270480FL	0.085	480±5	59.08	51.68	0.0057	＜0.05	＜0.05	222	124	258	216	162	270	F
STS23315545F	0.073	545±5	68.92	70.34	0.0049	＜0.05	＜0.05	259	145	301	252	189	315	F

Lenses with Deep DOF

Model	Magnification	WD（mm）	Object Side Resolution（μm）	DOF（mm）	NA	Actural Measured Telecentricity（°）	Actural Measured Distortion（%）	4/3"			23mm			Lens Mount
								H	V	D	H	V	D
								18.9	10.6	22.0	18.4	13.8	23.0
STS23025050F-D	0.920	50±5	11.67	0.95	0.0288	＜0.05	＜0.05	20	11	23	20	15	25	F
STS23035060F-D	0.657	60±5	16.34	1.85	0.0205	＜0.05	＜0.05	28	16	33	28	21	35	F
STS23045070F-D	0.511	70±5	21.01	3.06	0.0160	＜0.05	＜0.05	37	20	43	36	27	45	F
STS23060080F-D	0.383	80±5	28.01	5.44	0.0120	＜0.05	＜0.05	49	27	57	48	36	60	F
STS23070150F-D	0.329	150±5	32.67	7.41	0.0103	＜0.05	＜0.05	57	32	66	56	42	70	F
STS23085125F-D	0.271	150±5	39.68	10.93	0.0085	＜0.05	＜0.05	69	39	81	68	51	85	F
STS23105160F-D	0.219	160±5	49.01	16.67	0.0069	＜0.05	＜0.05	86	48	100	84	63	105	F
STS23125200F-D	0.184	220±5	58.35	23.63	0.0058	＜0.05	＜0.05	102	57	119	100	75	125	F
STS23155320F-D	0.148	320±5	72.35	36.33	0.0046	＜0.05	＜0.05	127	71	148	124	93	155	F
STS23155320FL-D	0.148	320±5	72.35	36.33	0.0046	＜0.05	＜0.05	127	71	148	124	93	155	F
STS23185320F-D	0.124	320±5	86.35	51.76	0.0039	＜0.05	＜0.05	152	85	176	148	111	185	F
STS23185320FL-D	0.124	320±5	86.35	51.76	0.0039	＜0.05	＜0.05	152	85	176	148	111	185	F
STS23215380F-D	0.107	380±5	100.36	69.91	0.0033	＜0.05	＜0.05	176	99	205	172	129	215	F
STS23215380FL-D	0.107	380±5	100.36	69.91	0.0033	＜0.05	＜0.05	176	99	205	172	129	215	F
STS23245380F-D	0.094	380±5	114.36	90.78	0.0029	＜0.05	＜0.05	201	113	234	196	147	245	F
STS23245380FL-D	0.094	380±5	114.36	90.78	0.0029	＜0.05	＜0.05	201	113	234	196	147	245	F
STS23270480F-D	0.085	480±5	126.03	110.25	0.0027	＜0.05	＜0.05	222	124	258	216	162	270	F
STS23270480FL-D	0.085	480±5	126.03	110.25	0.0027	＜0.05	＜0.05	222	124	258	216	162	270	F
STS23315545F-D	0.073	545±5	147.04	150.06	0.0023	＜0.05	＜0.05	259	145	301	252	189	315	F

Basson focuses on machine vision products used for precision measurement and defect detection.

Basson not only provides high-precision bi-telecentric lens systems, telecentric lens systems, telecentric light sources, coaxial illuminations and optical lenses, but also offers customized services.

With products designed in Germany, business planned in the UK and products made in China, Basson is able to provide superior products to customers through its global team. Currently, Basson is in preparation of production and assembly of products in Japan.

Dr. Liu Lu, acting as CTO of Basson, is a PhD degree holder of Oxford University.

Production and testing instruments include optical vacuum coating machines manufactured by Satis in Switzerland and Leybold in Germany, a laser interferometer from Zygo in the US, a spectrophotometer from PerkinElmer in the US, a spherometer from Hofbauer Optik in Germany, a centering instrument from Kyoritsu Electric in Japan, a NC grinding device made by Kojima Engineering in Japan and an automatic centering machine made by Shonan in Japan.