TC12144

Bi-telecentric lens for 1/2″ detectors, magnification 0.044 x, C-mount

Specifications

Magnification	(×)	0.044
Image circle Ø	(mm)	8.0
Object field of view (8)
with 1/3″ detector (4.8 x 3.6 mm)	(mm × mm)	109.09 x 81.82
with 1/2.5″ detector (5.70 x 4.28 mm)	(mm × mm)	129.55 x 97.27
with 1/2″ detector (6.4 x 4.8 mm)	(mm × mm)	145.45 x 109.09
with 1/1.8″ detector (7.13 x 5.37 mm) (7)	(mm × mm)	162.05 x 121.14
with 2/3″ - 5 MP detector (8.45 x 7.07 mm)	(mm × mm)	ø = 161.1
Optical specifications
Working distance (1)	(mm)	396.0
wF/# (2)		8
Telecentricity typical (max) (3)	(deg)	< 0.05 (0.08)
Distortion typical (max) (4)	(%)	< 0.05 (0.08)
Field depth (5)	(mm)	339
CTF @ 70 lp/mm	(%)	> 35
Dimensions
Mount		C
Phase Adjustment (9)		Yes
Length (6)	(mm)	462.1
Diameter	(mm)	200
Mass	(g)	5793

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/#): 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 millirad, 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 5.5 μm.
Measured from the front end of the mechanics to the camera flange.
With 1/1.8″ (9 mm diagonal) detectors, the FOV of TC12yyy lenses may show some vignetting at the image corners, as these lenses are optimized for 1/2" detectors (8 mm diagonal).
For the fields with the indication "Ø =", the image of a circular object of such diameter is fully inscribed into the detector.
Indicates the availability of an integrated camera phase adjustment feature. If missing, it can be supplied upon request (except for TC23004, TC23007,TC23009, TC23012).

Dimensions

TC12144 layout

All product specifications and data are subject to change without notice to improve reliability, functionality, design or other. Photos and pictures are for illustration purposes only.

new version with phase regulation

PDF DXF IGS STEP

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Calibration pattern

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Filter mount for telecentric lenses

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