TC16M series

Bi-telecentric lenses for very large detectors

TC16M series bi-telecentric lenses have been specifically designed to fit 35 mm format (36 x 24 mm) detectors with very high resolution, such as 11, 16 or 29 Mpx.

This combination is the typical choice for extremely accurate measurement of large items such as engine parts, glass or metal sheets, PCBs and electronic components, LCDs, etc.

TC16M lenses are also perfectly suitable for 4 kpx and 8 kpx linescan cameras and can be successfully used to determine the diameter of cylindrical objects: for example shafts, turned metal parts, machine tools, etc.

Besides the standard F-mount any other mechanical interface can be easily supplied upon request.

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			Detector type				Optical specifications						Mechanical specifications
Part number	Mag.	Image circle	line - 2k 2k x 10 µm 20.48	line - 4k 4k x 7 µm 28.67	line - 8k 8k x 5 µm 40.96	35 mm w x h 36 x 24	WD	f/#	Telecentricity typical (max)	Distortion typical (max)	Field depth	CTF@ 50 lp/mm	Mount	Length	Diam.
	(x)		(mm)	(mm)	(mm)	(mm x mm)	(mm)		(deg)	(%)	(mm)	(%)		(mm)	(mm)
							1	2	3	4	5			6
			Object field of view (mm x mm)
TC 16M 009	4.000	43.3	5.12	7.17	10.2	9.00 x 6.00	57.8	22	<0.03 (0.05)	<0.03 (0.05)	0.15	>20	F	487.9	45
TC 16M 012	3.000	43.3	6.83	9.56	13.7	12.0 x 8.00	57.8	18	<0.03 (0.05)	<0.03 (0.05)	0.2	>30	F	378.7	45
TC 16M 018	2.000	43.3	10.2	14.3	20.5	18.0 x 12.0	57.8	16	<0.03 (0.05)	<0.03 (0.05)	0.3	>40	F	259.6	45
TC 16M 036	1.000	43.3	20.5	28.7	41.0	36.0 x 24.0	103.0	16	<0.03 (0.05)	<0.02 (0.03)	1	>30	F	309.0	61
TC 16M 048	0.751	43.3	27.3	38.2	54.6	47.9 x 32.0	127.0	16	<0.06 (0.10)	<0.05 (0.10)	2	>30	F	315.2	75
TC 16M 056	0.641	43.3	31.9	44.7	63.9	56.1 x 37.4	150.0	16	<0.04 (0.08)	<0.04 (0.10)	2.5	>40	F	338.5	80
TC 16M 064	0.561	43.3	36.5	51.1	73.1	64.2 x 42.8	171.0	16	<0.04 (0.08)	<0.06 (0.15)	4	>30	F	359.6	100
TC 16M 080	0.463	43.3	44.2	61.9	88.4	77.7 x 51.8	198.0	16	<0.03 (0.08)	<0.09 (0.20)	5	>30	F	406.4	116
TC 16M 096	0.380	43.3	53.9	75.4	107.7	94.7 x 63.1	263.0	16	<0.06 (0.08)	<0.07 (0.15)	9	>40	F	449.2	143
TC 16M 120	0.289	43.3	70.9	99.3	141.9	124.7 x 83.1	333.0	16	<0.05 (0.08)	<0.05 (0.10)	15	>40	F	538.1	180
TC16M 144	0.245	43.3	83.6	117.0	167.1	146.9 x 97.9	398.0	16	<0.05 (0.08)	<0.08 (0.20)	19	>40	F	597.8	200

Notes

Working distance: distance between the front lens and the object. Set this distance within +/- 3% of the nominal value for maximum resolution and minimum distortion.
Working F-number: the real F-number of a lens when used as a macro. Lenses with smaller apertures can be supplied on request.
Maximum slope of chief rays inside the lens: when converted to milliradians, it gives the maximum measurement error for any millimeter of object displacement. 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.
At the borders of the field depth the image can be still used for measurement but, to get a very sharp image, only half of the nominal field depth should be considered. Pixel size used for calculation is 4.8 μm.
Measured from the front end of the mechanics to the camera flange.

TC 16M 009

TC 16M 012

TC 16M 018

TC 16M 036

TC 16M 048

TC 16M 056

TC 16M 064

TC 16M 080

TC 16M 096

TC 16M 120

TC16M 144

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Data table	XLS
Product user guide	PDF
Telecentric lenses tutorial	PDF
OE Bi-Telecentric technology	PDF
Back focal length adjustment	PDF

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Telecentric lenses brochure	PDF
Opto Engineering 2014 catalog	PDF
Caps inspection and measurement	PDF
Telecentric applications	PDF
Bi-TC tech for accurate measurement	PDF