POLYVIEW OPTICS - MULTIPLE SIDE VIEWS WITH ONE SHOT

OE PolyView Lenses provide 8 different views of the side and top surfaces of an object.
A wide perspective angle (45°) makes these components suitable for the inspection of the side features of an object (i.e. the threads of a screw or a nut) otherwise impossible to image with a single camera.
Both the external walls of an object and its top can be imaged at once.
Internal surfaces of holed objects can be completely inspected from the outside.
Imaging the inner walls and the bottom of a cavity is also possible, as well as achieving a combined view of the internal and external surfaces of an object.
In addition to these unique features, PolyView Optics also grant a very high image resolution and very good image brightness.

360° View optics

KEY ADVANTAGES:

Just one camera: no need for multiple cameras placed around and over the object
Wide viewing angle: 45° object sides view makes visible features hidden when viewed from top
Complete surface inspection: both inner and outer object surfaces can be imaged with one shot
Very High Resolution: even the tiniest defects can be detected

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P/N		PCPW013	PCPW012	PCPW023
Detector Size		1/3"	1/2"	2/3"
Max. object diameter for SIDE inspection:
with object height 20 mm	(mm)	30	30	30
with object height 5 mm	(mm)	50	50	50
Max. object diameter for SIDE + TOP inspection:
with object height 10 mm	(mm)	30	30	30
Wavelength range	(nm)	450 .. 650	450 .. 650	450 .. 650
Working distance	(mm)	20 .. 40	20 .. 40	20 .. 40
CTF @ 50 lp/mm	(%)	> 60	> 50	> 40
F-number		4-12	6-16	8-16
Diameter	(mm)	140	140	140
Length	(nm)	224	224	224
Weigh	(g)	990	990	990
Mount		C	C	C
Datasheet & Drawing		PCPW013	PCPW012	PCPW023
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The diagram below shows how PolyView Optics image a cylindrical object. The object is observed at a 45° viewing angle, from 8 different points of view. Eight different trapezoidal Fields of View are obtained: all the object features included in such a trapezoid will be imaged on the corresponding image portion.
45° viewing angle allows for imaging both the sides of a cylindrical object and its top; if the object is a hollow cylinder (hole or cavitiy), the inner wall of the cavity will be imaged instead of the top, thus enabling both outer and inner sides inspection.

MAXIMUM ACHIEVABLE FIELD OF VIEW

In order to perform a complete 360° inspection, each of the 8 image portions should image at least 1/6 of the cylindrical surface; this condition ensures a good overlapping between two different lateral views, since part of the object features will be shared by two neighbouring image portions.


When the object height is maximum (20 mm) up to 30 mm diameter objects can be inspected	Up to 50 mm diameter objects can be inspected, provided their thickness doesn't exceed 5 mm.	Combined view of both the inner sides and the bottom of a cavity possible up to 30 mm diameter and 10 mm height