LARRY THORPE AND GORDON TUBBS

Understanding key differences in SD and HD lenses can improve your images

In the last paper of this article series, optical aberrations that are independent of wavelength were reviewed. In addition to these monochromatic aberrations,

The authors discuss optical impairments found in HDTV lenses

The recommended approach to HDTV lens testing

Astonishing advances are taking place in HDTV program-origination equipment. The internationally standardized 2/3in format HD camera continues to raise

Across the world, broadcasters are examining possibilities in migrating to HDTV newsgathering as part of the larger DTV transition. At this juncture,

The 1/2in camera-imager format has returned, but this time around it's a high-definition 1/2in camera-imager format. A year ago, two of the major camera

Find out why the modulation transfer function is the best predictor of an HDTV lens' performance

This month’s article looks at light transmission, including transmission, aperture control, relative light distribution and spectral transmittance