TL..-40 series
TL20-40	TL40-40	TL60-40	TL80-40

	TL20-40	TL40-40	TL60-40	TL80-40
CCD	1/2"
Magnification	2.0x	4.0x	6.0x	8.0x
Object distance (WD)	40.0mm
F No.	14.1	28.2	41.6	54.8
Object side numerical aperture	0.071		0.072	0.073
Resolution	4.7µ			4.6µ
Depth of field	0.28mm	0.14mm	0.09mm	0.07mm
Sensor-object distance	98mm	106mm	118mm	130mm
TV distortion	0.13%	-0.19%	-0.17%	0.16%
Mount	C
Suitable for small devices such as bonding machine or chip mounter. Compact design with vibration resistance. Resolution indicates a theoretical resolution at a wavelenght of 550nm. Depth of field is calculated assuming a horizontal 320 TV resolution using 1/2" CCD camera (permissible circle of confusion 40μ).

 

TL..C-40 series
TL20C-40	TL40C-40	TL60C-40	TL80C-40
for coaxial lighting

	TL20C-40	TL40C-40	TL60C-40	TL80C-40
CCD	1/2"
Magnification	2.0x	4.0x	6.0x	8.0x
Object distance (WD)	40.0mm
F No.	14.1	28.2	41.6	54.8
Object side numerical aperture	0.071		0.072	0.073
Resolution	4.7µ			4.6µ
Depth of field	0.28mm	0.14mm	0.09mm	0.07mm
Sensor-object distance	98mm	106mm	118mm	130mm
TV distortion	0.13%	-0.19%	-0.17%	0.16%
Mount	C
Suitable for small devices such as bonding machine or chip mounter. Compact design with vibration resistance. Resolution indicates a theoretical resolution at a wavelenght of 550nm. Depth of field is calculated assuming a horizontal 320 TV resolution using 1/2" CCD camera  (permissible circle of confusion 40μ).

 

Reference technical notes
Introduction to CCTV lenses Machine vision lenses Optical calculator

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