Introvision Ltd - Electro-Optic Design & Consultancy

Electro-Optic Systems and Consultancy
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High Performance Boresight Stable

10:1 Zoom Lens for 1/3rd, 1/2th and 2/3rds inch CCD Camera Units
Introvision have produced a high performance lens unit, which achieves high performance across the whole field with no vignetting from F/3.5 down to F/32.

The performance at the edge of this lens is better than the axial performance of all other production zoom lens units on the market (even at the long focal length end).

Specification

Focal length range:	18-180mm
Field of View Range:	1-10 degree for 1/3 inch CCD 2-20 degree for 1/2 inch CCD 3-30 degree for 2/3 inch CCD
F/No:	F/3.5 at all zoom positions
Vignetting:	Unvignetted image across the whole zoom range
Boresight stability:	Better than 0.25 mrad at one reference datum Better than 1 mrad over the whole zoom range
MTF Photopically weighted/CCD response	>50% at 25 c/mm across the whole field and across the whole zoom range
Weight	<2.6 Kilos
Interface	Flat reference datum
Monochrome/Colour chip	Designed to be used with both monochrome and colour cameras
Anti-Aliasing Filters	Anti-Aliasing filter can be fitted to the unit with relevant IR blocking filter
F/No range	F/3.5 to F/32 to complete shutdown
Focus Range	5 meters to infinity
Time for complete zoom travel	<4 seconds
Time for complete focus travel	<4 seconds
Temperature range	-35°C to +70°C

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