New Solutions To The Depth Of Field Problem In Flight Simulation Image Pick-Up Devices

D. R. Lobb; A. M. Spooner

doi:10.1117/12.954360

1 September 1975 New Solutions To The Depth Of Field Problem In Flight Simulation Image Pick-Up Devices

D. R. Lobb, A. M. Spooner

Proceedings Volume 0059, Simulators and Simulation II: Design, Applications and Techniques; (1975) https://doi.org/10.1117/12.954360
Event: Disneyland, 1975, Anaheim, United States

Abstract

In flight simulation visual systems in which an image is picked up by a CCTV camera probe from a model terrain, there is a well known problem in focusing on the model surface across the whole imaged area, particularly as the probe entrance pupil approaches close to the model. The problem will increase as we try both to improve the resolution of the CCTV camera and probe and to reduce the scale of the terrain model, so that conventional techniques of moving and tilting lenses within the probe optics will not be sufficiently powerful for some desirable probe systems. There is a closely-related problem in correction of optical aberrations of probe systems for a wide range of object conjugate distances. The problems are assessed in relation both to normal TV systems and to laser TV systems. A novel form of tilt-lens system is described.*

Citation Download Citation

D. R. Lobb and A. M. Spooner "New Solutions To The Depth Of Field Problem In Flight Simulation Image Pick-Up Devices", Proc. SPIE 0059, Simulators and Simulation II: Design, Applications and Techniques, (1 September 1975); https://doi.org/10.1117/12.954360

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KEYWORDS

Lenses

Cameras

Systems modeling

Diffraction

Laser systems engineering

Lens design

Laser beam diagnostics

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