STS44 Series

With high telecentricity and low distortion, BASSON bi-telecentric lenses are mainly applied to precision measurement and high-precision visual positioning fields.
BASSON STS44 Series Standard Bi-telecentric Lenses are standard M58-mount lenses, available for industrial cameras with maximum sensor size of 35Full (diagonal of 44mm).

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（%）	43.5mm			35 Full			Lens Mount
								H	V	D	H	V	D
								36.2	24.1	43.5	35.2	26.4	44.0
STS44025050M58-D	1.760	50±5	7.63	0.32	0.0440	＜0.05	＜0.05	20	13	24	20	15	25	M58
STS44035060M58-D	1.257	60±5	10.68	0.63	0.0314	＜0.05	＜0.05	28	19	34	28	21	35	M58
STS44045070M58-D	0.978	70±5	13.73	1.05	0.0244	＜0.05	＜0.05	37	24	44	36	27	45	M58
STS44060080M58-D	0.733	80±5	18.30	1.86	0.0183	＜0.05	＜0.05	49	32	59	48	36	60	M58
STS44070150M58-D	0.629	150±5	21.35	2.53	0.0157	＜0.05	＜0.05	57	38	69	56	43	70	M58
STS44085150M58-D	0.518	150±5	25.93	3.73	0.0129	＜0.05	＜0.05	69	46	83	68	52	85	M58
STS44105160M58-D	0.419	160±5	32.03	5.69	0.0105	＜0.05	＜0.05	86	57	103	84	64	105	M58
STS44125200M58-D	0.352	200±5	38.13	8.07	0.0088	＜0.05	＜0.05	102	68	123	100	76	125	M58
STS44155320M58-D	0.284	320±5	47.28	12.41	0.0071	＜0.05	＜0.05	127	84	153	124	95	155	M58
STS44155320M58L-D	0.284	320±5	47.28	12.41	0.0071	＜0.05	＜0.05	127	84	153	124	95	155	M58
STS44185320M58-D	0.238	320±5	56.43	17.68	0.0060	＜0.05	＜0.05	152	101	182	148	113	185	M58
STS44185320M58L-D	0.238	320±5	56.43	17.68	0.0060	＜0.05	＜0.05	152	101	182	148	113	185	M58
STS44215380M58-D	0.205	380±5	65.58	23.88	0.0051	＜0.05	＜0.05	176	117	212	172	132	215	M58
STS44215380M58L-D	0.205	380±5	65.58	23.88	0.0051	＜0.05	＜0.05	176	117	212	172	132	215	M58
STS44245380M58-D	0.180	380±5	74.73	31.00	0.0045	＜0.05	＜0.05	201	134	242	196	150	245	M58
STS44245380M58L-D	0.180	380±5	74.73	31.00	0.0045	＜0.05	＜0.05	201	134	242	196	150	245	M58
STS44270480M58-D	0.163	480±5	82.35	37.65	0.0041	＜0.05	＜0.05	222	147	266	216	165	270	M58
STS44270480M58L-D	0.163	480±5	82.35	37.65	0.0041	＜0.05	＜0.05	222	147	266	216	165	270	M58
STS44315545M58-D	0.140	545±5	96.08	51.25	0.0035	＜0.05	＜0.05	258	172	310	252	193	315	M58

Lenses with Deep DOF

Model	Magnification	WD（mm）	Object Side Resolution（μm）	DOF（mm）	NA	Actural Measured Telecentricity（°）	Actural Measured Distortion（%）	43.5mm			35 Full			Lens Mount
								H	V	D	H	V	D
								36.2	24.1	43.5	35.2	26.4	44.0
STS44025050M58	1.760	50±5	5.15	0.22	0.0652	＜0.05	＜0.05	20	13	24	20	15	25	M58
STS44035060M58	1.257	60±5	7.21	0.43	0.0466	＜0.05	＜0.05	28	19	34	28	21	35	M58
STS44045070M58	0.978	70±5	9.26	0.71	0.0362	＜0.05	＜0.05	37	24	44	36	27	45	M58
STS44060080M58	0.733	80±5	12.36	1.26	0.0272	＜0.05	＜0.05	49	32	59	48	36	60	M58
STS44070150M58	0.629	150±5	14.40	1.71	0.0233	＜0.05	＜0.05	57	38	69	56	43	70	M58
STS44085150M58	0.518	150±5	17.49	2.52	0.0192	＜0.05	＜0.05	69	46	83	68	52	85	M58
STS44105160M58	0.419	160±5	21.62	3.84	0.0155	＜0.05	＜0.05	86	57	103	84	64	105	M58
STS44125200M58	0.352	200±5	25.73	5.45	0.0130	＜0.05	＜0.05	102	68	123	100	76	125	M58
STS44155320M58	0.284	320±5	31.90	8.38	0.0105	＜0.05	＜0.05	127	84	153	124	95	155	M58
STS44155320M58L	0.284	320±5	31.90	8.38	0.0105	＜0.05	＜0.05	127	84	153	124	95	155	M58
STS44185320M58	0.238	320±5	38.09	11.93	0.0088	＜0.05	＜0.05	152	101	182	148	113	185	M58
STS44185320M58L	0.238	320±5	38.09	11.93	0.0088	＜0.05	＜0.05	152	101	182	148	113	185	M58
STS44215380M58	0.205	380±5	44.26	16.12	0.0076	＜0.05	＜0.05	176	117	212	172	132	215	M58
STS44215380M58L	0.205	380±5	44.26	16.12	0.0076	＜0.05	＜0.05	176	117	212	172	132	215	M58
STS44245380M58	0.180	380±5	50.44	20.93	0.0067	＜0.05	＜0.05	201	134	242	196	150	245	M58
STS44245380M58L	0.180	380±5	50.44	20.93	0.0067	＜0.05	＜0.05	201	134	242	196	150	245	M58
STS44270480M58	0.163	480±5	55.59	25.42	0.0060	＜0.05	＜0.05	222	147	266	216	165	270	M58
STS44270480M58L	0.163	480±5	55.59	25.42	0.0060	＜0.05	＜0.05	222	147	266	216	165	270	M58
STS44315545M58	0.140	545±5	64.70	34.60	0.0052	＜0.05	＜0.05	258	172	310	252	193	315	M58

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.