High Performance Optics for a New 70mm Digital Cine Format

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Publisher: SMPTE — White Plains, NY
Doc Type: Conference Paper
Content Type: Original Research
Volume: 2012, No. 10, pp. 1–13
Abstract: This paper details technical features of the first series of high-speed prime lenses designed for a new 70mm digital format developed by Panavision. These new lenses offer full aperture (f/2.5) performance at or near the diffraction limit from near-UV to near-IR over a 48×20.25mm image area. These lenses are also designed to work properly with optical filters inserted between the lens and sensor. Twelve focal lengths are under development, ranging from a 27mm ultrawide to a 300mm telephoto. In addition to traditional externally-geared controls, all lenses have internal motors for focus and aperture. High resolution metadata is transmitted continuously to the camera. Metadata includes focus distance, aperture, temperature, and individual lens identification. A replaceable internal filter near the aperture stop permits a variety of creative effects, including soft-focus.
Publication Date: 2012-10-01
DOI: 10.5594/M001456
Link: https://doi.org/10.5594/M001456
Author(s): Brian CaldwellCaldwell Photographic Inc., 209 High Street, Petersburg, VA 23803, USA
Wilfried BittnerWB Design, 2407 Tower 1, Tak Fung Industrial Center, 168 Texaco Road, Tsuen Wan, Hong Kong
Ip Winston13B, Blk 5, Castello, 69 Sui Lek Yuen Road, Shatin, New Territory, Hong Kong
Dan SasakiPanavision, 6101 Variel Avenue, Woodland Hills, CA 91367, USA
Keyword(s): 70mm, Metadata
Copyright: © 2012 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

1) Caldwell J. Brian , U.S. Patent No. 7,733,581, June 8, 2010 . EXTERNAL
2) Caldwell J. Brian , U.S. Patent No. 8,169,717, May 1, 2012 . EXTERNAL

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Brian Caldwell, Wilfried Bittner, Ip Winston, and Dan Sasaki; High Performance Optics for a New 70mm Digital Cine Format, SMPTE Meetings and Conferences ( October 2012); SMPTE, 2012. Available at https://doi.org/10.5594/M001456

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Brian Caldwell, Wilfried Bittner, Ip Winston, and Dan Sasaki; High Performance Optics for a New 70mm Digital Cine Format, SMPTE Meetings and Conferences ( October 2012); SMPTE, 2012. Available at https://doi.org/10.5594/M001456

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<span class="citation">Brian Caldwell, Wilfried Bittner, Ip Winston, and Dan Sasaki; <cite>High Performance Optics for a New 70mm Digital Cine Format</cite>, SMPTE Meetings and Conferences ( October 2012); SMPTE, 2012. Available at <a href="https://doi.org/10.5594/M001456" target="_blank" rel="noopener">https://doi.org/10.5594/M001456</a></span>

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Brian Caldwell, Wilfried Bittner, Ip Winston, and Dan Sasaki; <cite id="bib-10-5594-m001456">High Performance Optics for a New 70mm Digital Cine Format</cite>, SMPTE Meetings and Conferences ( October 2012); SMPTE, 2012
<span class="doi">10.5594/M001456</span>
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