TCZR series

8x bi-telecentric zoom lenses with motorized controls

Catalog 2019

TCZR series is a leading edge optical solution for imaging and measurement applications requiring both the flexibility of zoom lenses and the accuracy of fixed optics.

By means of a very accurate mechanism, these lenses ensure unequaled magnification, focusing and image center stability when switching from a magnification to another, thus avoiding recalibration at any given time.

Four different magnifications, featuring a total range of 8x, can be selected either by means of the onboard control keyboard or via computer through a specific remote control software.

Bi-telecentricity, high resolution and low distortion make these zooms able to perform the same measurement tasks as a fixed magnification telecentric lens.

KEY ADVANTAGES

Perfect magnification constancy
No need of re-calibration after zooming
Perfect parfocality
No need of refocusing when changing magnification
Bi-telecentricity
Very accurate measurement is possible
Excellent image center stability
Each magnification maintains its FOV center
Full motorization control
Zoom magnification can be set either manually or via software

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			Detector type					Optical specifications						Mechanical specifications
Part number	Mag.	Image circle Ø	1/3″ 6.0 mm diag w x h (4.80 x 3.60)	1/2.5″ 7.1 mm diag w x h (5.70 x 4.28)	1/2″ 8.0 mm diag w x h (6.40 x 4.80)	1/1.8″ 8.9 mm diag w x h (7.13 x 5.33)	2/3″ 11.1 mm diag w x h (8.50 x 7.09)	WD	wF/#	Telecentricity	Dist.	Field depth	CTF @ 70 lp/mm	Mount	Phase adj.	Length	Max height	Max width
	(x)	(mm)	(mm x mm)	(mm x mm)	(mm x mm)	(mm x mm)	(mm x mm)	(mm)		(deg)	(%)	(mm)	(%)			(mm)	(mm)	(mm)
									1	2		3			4
			Object field of view (mm x mm)
{partnumber}	{magnification}	{image_diameter}	{detector_1_3}	{detector_1_25}	{detector_1_2}	{detector_1_18}	{detector_2_3}	{wd}	{fn}	{telecentricity}	{distortion}	{field_depth}	{ctf}	{mount}	{phase_adj}	{length}	{max_height}	{max_width}	{pdf}{quote}

Notes

Working F/#: the real F/# of a lens when used as a macro. Lenses with smaller apertures can be supplied on request
Maximum slope of principal rays inside the lens: when converted to millirad, it gives the maximum measurement error for any millimiter of object displacement
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 3.9 μm.

Technical documents

Data table

XLS

TCZR manual

PDF

Product user guide

PDF

Software tools

TCZR software package

ZIP

Press & marketing content

Optical solutions for the pharmaceutical/biomedical industry

PDF

TCZR product highlight

PDF

Compatible products

CMHO series

Clamping mechanics

LTCLHP series

High-performance telecentric illuminators

LTRNST series

LED ring illuminators - straight type

Fine focusing and phase adjustment

First of all, set the lens exactly at its nominal working distance, as listed on the specs sheet.

Switch on the 24 V power supply and wait until the system has been re-set. Select the maximum lens magnification (i.e. 1x for TCZR072 and 2x for TCZR036).

Mount the camera and, while observing a resolution pattern, rotate it until you obtain the best image resolution.

Measure the gap between the camera interface and the lens C-mount and insert the most appropriate number of spacers.

With the camera assembled, adjust the image phase by unscrewing the C-mount set-screws; once you find the right phase, lock the screws.

You are now ready to switch the lens to any available magnification: just touch the button and follow the LED color code indicating the target zoom position.

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