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www.ask.com/faqcentral/and_depth_of_field.html
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Will using a Telecentric lens improve my depth of field? ... Practically speaking, at the same f-stop compared to S35, 2/3" is the equivalent depth of field of stopping down by 2.5 stops --
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www.lhup.edu/~dsimanek/3d/telecent.htm
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The quality of focus does change, but if the stop S is made very small, this can be minimized. A telecentric lens "sees" a cylindrical tube of space of diameter ...
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www.lhup.edu/~dsimanek/scenario/labman3/telecen.htm
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This is the principle of telecentric lens systems. Now, due to the finite size of the stop (which now acts as an aperture stop), there is an object position of sharpest ...
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Telecentric lens - Wikipedia, the free encyclopedia
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en.wikipedia.org/wiki/Telecentric_lens
The simplest way to make a lens telecentric is to put the aperture stop at one of the lens's focal points. An entrance pupil at infinity makes the lens object-space ...
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graphics.stanford.edu/papers/lfmicroscope/lfmicroscope-...
graphics.stanford.edu/papers/lfmicroscope/lfmicroscope-optics.pdf
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Jun 20, 2006 ... points on the telecentric stop and the sensor. Thus, figures (a) ... The specimen A is imaged by an objective B through a telecentric stop C onto ...
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www.schneideroptics.com/pdfs/industrial/Telecentric_Len...
www.schneideroptics.com/pdfs/industrial/Telecentric_Lenses.pdf
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stop, that is, the entrance or exit pupils, are made up of converging light rays. In a telecentric lens, the aperture stop is located at the focal point of the lens.
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lasers.coherent.com/lasers/telecentric
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The illumination of the lens' stop is an image of the homogenizer focus matrix. Symmetric illumination of the lens' telecentric stop creates concentrically…
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www.edmundoptics.com/technical-support/imaging/telecent...
www.edmundoptics.com/technical-support/imaging/telecentricity-and-telecentric-lenses-in-machine-vision
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Classification 1: Object-Space Telecentricity. It occurs when the system stop is placed at the front focal plane of the lens, resulting in an entrance pupil location at ...
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www.google.com/patents/US6870949
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To the extent that the light rays are reflected from a planar specular portion of the object the light rays are blocked by a telecentric stop. Light rays reflected from a ...
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