Tolerances in panoramic lenses

Simon Thibault; Xavier Dallaire

doi:10.1117/12.2064758

8 September 2014 Tolerances in panoramic lenses

Simon Thibault, Xavier Dallaire

Proceedings Volume 9195, Optical System Alignment, Tolerancing, and Verification VIII; 919508 (2014) https://doi.org/10.1117/12.2064758
Event: SPIE Optical Engineering + Applications, 2014, San Diego, California, United States

Abstract

Almost every aspect concerning the optical design of panoramic lenses brings new challenges to optical designers. Examples of these include ray tracing programs having problems finding the entrance pupil which is moving through the field-of-view, optimization, production particularities due to the shape of the lenses, and ways of tolerancing these systems having strong distortion. This last topic will be discussed in this paper. We will start from a historical perspective on the understanding of panoramic imagery. This will lead us to the modern panoramic imager called the Panomorph lens. We will discuss the particular case of the tolerance of the front surface (most of the time a freeform surface) and the impact on the image quality, both image footprint and field curvature. We will explain the behavior using first and second order approaches.

Citation Download Citation

Simon Thibault and Xavier Dallaire "Tolerances in panoramic lenses", Proc. SPIE 9195, Optical System Alignment, Tolerancing, and Verification VIII, 919508 (8 September 2014); https://doi.org/10.1117/12.2064758

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KEYWORDS

Panoramic photography

Lenses

Tolerancing

Distortion

Imaging systems

Monochromatic aberrations

Cameras

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