Varifocal telecentric lens

You can have a perfect telecentricity at any any magnification with one lens only, having a high resolution and a minimal TV distortion
The depth of field can be adjusted by using adjustable iris.

VTL0510

dimensional drawing

Magnification	x 0.5	x 0.75	x 1.0
Object distance to lens (WD)	174mm	134mm	114mm
Object distance to imager (OI)	281mm	256mm	251mm
F.No. (with open iris)	3.76	4.81	5.89
Object side numerical aperture	0.066	0.078	0.085
Resolution	12.5		9.8
Depth of field (with open iris)	1.20mm		0.47mm
TV distortion	0.01%
Weight	249g
Image format	2/3"
Mount	C

VTL0513
	dimensional drawing

Magnification	x 0.5	x 1.0
Object distance to lens (WD)	173mm	97mm
Object distance to imager (OI)	271mm	244mm
F.No. (with open iris)	5.74	10.94
Object side numerical aperture	0.044	0.059
Resolution	8	6.4
Depth of field (with open iris)	1.84mm	0.52mm
TV distortion	0.01%
Image format	2/3"
Mount	C

With variable working distance

VTL01 VTL014 VTL019
	disegno dimensionale

	VTL01	VTL014	VTL019
Magnification	x 1.0	x 0.14	x 0.19
Object distance to lens (WD)	150mm~300mm	150mm~270mm	150mm~250mm
Object distance to imager (OI)	317mm~466mm	320mm~437mm	328mm~425mm
F.No. (with open iris)	4.5	5.9	4.5
Object side numerical aperture	0.011	0.012	0.021
Resolution	37	33	21
Depth of field (with open iris)	36.0mm	24.0mm	10.0mm
TV distortion	0.00%		0.15%
Image format	1/3"	1/2"	2/3"
Mount	C

Lenses for machine vision Varifocal telecentric lens

Lenses for machine vision
Varifocal telecentric lens