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TCSM series

3D bi-telecentric lenses with Scheimpflug adjustment

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TCSM series is a unique family of bi-telecentric lenses for extremely accurate 3D dimensional measurement systems. All TCSM lenses are equipped with a high-precision Scheimpflug adjustment mechanism that fits any type of C-mount camera. Besides achieving very good focus at wide tilt angles, bi-telecentricity also yields incredibly low distortion. Images are linearly compressed only in one direction, thus making 3D-reconstruction very easy and exceptionally accurate.

The available magnifications ranges from 0.5x to 0.1x while the angle of view reaches 30°-45° to meet the measurement needs of triangulation-based techniques. The Scheimpflug mount tilts around the horizontal axis of the detector plane to ensure excellent pointing stability and ease of focus.

KEY ADVANTAGES

Scheimpflug tilt adjustment
No other lens can perform oblique measurements
The image is radially undistorted
Linear extension can be perfectly calibrated
Compatible with any C-mount cameras
C-mount standard compliant
Detailed test report with measured optical parameters

SPECIALTIES

Mag. x

TCSM telecentric lens with 3D Scheimpflug adjustment

Examples of high-end 3D measurements

TCSM imaging and measuring sloped objects.

Without tilt adjustment, the object is not homogeneously focused. At the Scheimpflug angle, the image becomes sharp.

Scheimpflug telecentric lens and projector both at 45° relative to the object plane.

Without tilt adjustment, the object is not homogeneously focused. At the Scheimpflug angle, the image becomes sharp.

TCSM series lens at 45° and telecentric pattern projector at 90° relative to the object plane.

Without tilt adjustment, the object is not homogeneously focused. At the Scheimpflug angle, the image becomes sharp.

	Main optical specifications					Field of view, long sensor side horizontal			Field of view, long sensor side vertical			Advanced optical specifications				Mechanical specifications
Part number	Object tilt	Mount tilt	Horizontal magnification	Vertical magnification	Max sensor size	1/3”	1/2”	2/3”	1/3”	1/2”	2/3”	Working distance	Working ƒ/N	Telecentricity typical (max)	Distortion typical (max)	Mount	Phase adjustment	Length	Front diameter
						4.80 x 3.60	6.40 x 4.80	8.50 x 7.09	3.60 x 4.80	4.80 x 6.40	7.09 x 8.50
	(deg)	(deg)	(x)	(x)		(mm × mm)	(mm × mm)	(mm × mm)	(mm × mm)	(mm × mm)	(mm × mm)	(mm)		(deg)	(%)			(mm)	(mm)
												1	2	3	4			5
TCSM016	0 10 20 30	0 5.3 10.9 17	0.528 0.528 0.528 0.528	0.528 0.522 0.505 0.478	2/3″	9.09 x 6.82 9.09 x 6.90 9.09 x 7.13 9.09 x 7.53	12.12 x 9.09 12.12 x 9.20 12.12 x 9.50 12.12 x 10.04	16.10 x 13.43 16.10 x 13.58 16.10 x 14.04 16.10 x 14.83	6.82 x 9.09 6.82 x 9.20 6.82 x 9.50 6.82 x 10.04	9.09 x 12.12 9.09 x 12.26 9.09 x 12.67 9.09 x 13.39	13.43 x 16.10 13.43 x 16.28 13.43 x 16.83 13.43 x 17.78	43.1	8	< 0.06 (0.10)	< 0.04 (0.07)	C	Yes	112.6	37.7	Quote
TCSM024	0 15 30 45	0 5.4 11.4 19.3	0.35 0.35 0.35 0.35	0.35 0.34 0.309 0.262	2/3″	13.71 x 10.29 13.71 x 10.59 13.71 x 11.65 13.71 x 13.74	18.29 x 13.71 18.29 x 14.12 18.29 x 15.53 18.29 x 18.32	24.29 x 20.26 24.29 x 20.85 24.29 x 22.94 24.29 x 27.06	10.29 x 13.71 10.29 x 14.12 10.29 x 15.53 10.29 x 18.32	13.71 x 18.29 13.71 x 18.82 13.71 x 20.71 13.71 x 24.43	20.26 x 24.29 20.26 x 25.00 20.26 x 27.51 20.26 x 32.44	67.2	8	< 0.08 (0.10)	< 0.04 (0.10)	C	Yes	137.5	44	Quote
TCSM036	0 15 30 45	0 3.7 8 13.6	0.243 0.243 0.243 0.243	0.243 0.235 0.212 0.177	2/3″	19.75 x 14.81 19.75 x 15.32 19.75 x 16.98 19.75 x 20.34	26.34 x 19.75 26.34 x 20.43 26.34 x 22.64 26.34 x 27.12	34.98 x 29.18 34.98 x 30.17 34.98 x 33.44 34.98 x 40.06	14.81 x 19.75 14.81 x 20.43 14.81 x 22.64 14.81 x 27.12	19.75 x 26.34 19.75 x 27.23 19.75 x 30.19 19.75 x 36.16	29.18 x 34.98 29.18 x 36.17 29.18 x 40.09 29.18 x 48.02	102.5	8	< 0.04 (0.08)	< 0.04 (0.10)	C	Yes	164.9	61	Quote
TCSM048	0 15 30 45	0 2.8 6.1 10.5	0.185 0.185 0.185 0.185	0.185 0.179 0.161 0.133	2/3″	25.95 x 19.46 25.95 x 20.11 25.95 x 22.36 25.95 x 27.07	34.59 x 25.95 34.59 x 26.82 34.59 x 29.81 34.59 x 36.09	45.95 x 38.32 45.95 x 39.61 45.95 x 44.04 45.95 x 53.31	19.46 x 25.95 19.46 x 26.82 19.46 x 29.81 19.46 x 36.09	25.95 x 34.59 25.95 x 35.75 25.95 x 39.75 25.95 x 48.12	38.32 x 45.95 38.32 x 47.49 38.32 x 52.80 38.32 x 63.91	132.9	8	< 0.08 (0.10)	< 0.05 (0.10)	C	Yes	200.6	75	Quote
TCSM056	0 15 30 45	0 2.4 5.1 8.8	0.157 0.157 0.157 0.157	0.157 0.152 0.137 0.112	2/3″	30.57 x 22.93 30.57 x 23.68 30.57 x 26.28 30.57 x 32.14	40.76 x 30.57 40.76 x 31.58 40.76 x 35.04 40.76 x 42.86	54.14 x 45.16 54.14 x 46.64 54.14 x 51.75 54.14 x 63.30	22.93 x 30.57 22.93 x 31.58 22.93 x 35.04 22.93 x 42.86	30.57 x 40.76 30.57 x 42.11 30.57 x 46.72 30.57 x 57.14	45.16 x 54.14 45.16 x 55.92 45.16 x 62.04 45.16 x 75.89	157.8	8	< 0.05 (0.08)	< 0.03 (0.08)	C	Yes	224.4	80	Quote
TCSM064	0 15 30 45	0 2.1 4.5 7.8	0.137 0.137 0.137 0.137	0.137 0.132 0.119 0.098	2/3″	35.04 x 26.28 35.04 x 27.27 35.04 x 30.25 35.04 x 36.73	46.72 x 35.04 46.72 x 36.36 46.72 x 40.34 46.72 x 48.98	62.04 x 51.75 62.04 x 53.71 62.04 x 59.58 62.04 x 72.35	26.28 x 35.04 26.28 x 36.36 26.28 x 40.34 26.28 x 48.98	35.04 x 46.72 35.04 x 48.48 35.04 x 53.78 35.04 x 65.31	51.75 x 62.04 51.75 x 64.39 51.75 x 71.43 51.75 x 86.73	181.8	8	< 0.05 (0.08)	< 0.03 (0.07)	C	Yes	245.5	100	Quote
TCSM080	0 15 30 45	0 1.7 3.6 6.3	0.11 0.11 0.11 0.11	0.11 0.106 0.095 0.078	2/3″	43.64 x 32.73 43.64 x 33.96 43.64 x 37.89 43.64 x 46.15	58.18 x 43.64 58.18 x 45.28 58.18 x 50.53 58.18 x 61.54	77.27 x 64.45 77.27 x 66.89 77.27 x 74.63 77.27 x 90.90	32.73 x 43.64 32.73 x 45.28 32.73 x 50.53 32.73 x 61.54	43.64 x 58.18 43.64 x 60.38 43.64 x 67.37 43.64 x 82.05	64.45 x 77.27 64.45 x 80.19 64.45 x 89.47 64.45 x 108.97	226.7	8	< 0.04 (0.08)	< 0.02 (0.10)	C	Yes	291.2	116	Quote
TCSM096	0 15 30 45	0 1.4 3.1 5.3	0.093 0.093 0.093 0.093	0.093 0.09 0.081 0.066	2/3″	51.61 x 38.71 51.61 x 40.00 51.61 x 44.44 51.61 x 54.55	68.82 x 51.61 68.82 x 53.33 68.82 x 59.26 68.82 x 72.73	91.40 x 76.24 91.40 x 78.78 91.40 x 87.53 91.40 x 107.42	38.71 x 51.61 38.71 x 53.33 38.71 x 59.26 38.71 x 72.73	51.61 x 68.82 51.61 x 71.11 51.61 x 79.01 51.61 x 96.97	76.24 x 91.40 76.24 x 94.44 76.24 x 104.94 76.24 x 128.79	278.6	8	< 0.06 (0.08)	< 0.04 (0.08)	C	Yes	336.6	143	Quote

Last update 31 Mar 2022

Notes

Working distance: distance between the front end of the mechanics and the object. Set this distance within ±3% of the nominal value for maximum resolution and minimum distortion.
Working f-number (wf/N): the real f-number of a lens in operating conditions.
Maximum angle between chief rays and optical axis on the object side. Typical (average production) values and maximum (guaranteed) values are listed.
Percent deviation of the real image compared to an ideal, undistorted image. Typical (average production) values and maximum (guaranteed) values are listed.
Measured from the front end of the mechanics to the camera flange.

Technical documents

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Back focal adjustment

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Metrology white paper

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Examples of high-end 3D measurements

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