02/04/2014 • Image processing / Optical metrology

Opto: Bi-telecentric measurement objectives introduced

Opto offers a own line of bi-telecentric lenses. Telecentric lenses show no perspective errors and are a perfect match for measuring three-dimensional objects. Bi-telecentric lenses exceed this by offering sensor sided telecentricity. This compensates imaging errors originating from misaligned camera sensors.

The bi-telecentric lenses of Opto are therefore ideal for measurements of high precision parts, offering an extended depth of field and a constant magnification over the whole field of view. In connection with a line laser it is optimal for 3D-digitalisation using laser triangulation. This all comes with an excellent price/performance ratio. The BTC line of bi-telecentric lenses starts with four models ranging from 0.05x to 0.2x magnification. This corresponds to field of views of minimum 32 x 24 mm to a maximum at 167 x 124 mm. Telecentricity and distortion are 0.08 % or even lower.

The F-number for all objectives is 8. Opto is specialised in developing and producing custom optomechanical solutions, so customer requests for client-specific designs and requirements can quickly be dealt with.
 

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Opto GmbH

Floriansbogen 2/4
82061 Neuried

Phone: +49 89 898055 0
Fax: +49 89 898055 18