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Originally produced by Minolta, and currently produced by Sony, the STF 135mm f/2.8 [T4.5] is a photographic lens compatible with cameras using the Minolta AF and Sony α A-mount. STF stands for Smooth Trans Focus , in reference to its special optical system, which is intended to smooth the transition between the plane of focus and out-of-focus ...
The MTF data versus spatial frequency is normalized by fitting a sixth order polynomial to it, making a smooth curve. The 50% cut-off frequency is determined and the corresponding spatial frequency is found, yielding the approximate position of best focus .
SST is a humanist sans-serif typeface designed by Monotype for Sony. [1] It supports the Latin, Greek, and Cyrillic alphabets and has matching styles for Thai, Hebrew, Japanese and Arabic. [2] [3] It is modelled after Helvetica (Sony's previous typeface) and Frutiger. [4]
Super Fine Pitch tubes naturally fall into this category, as do some Sony Trinitron SDTVs that cannot physically resolve 1080 lines of vertical resolution, but the term Hi-Scan is commonly used to refer to Sony Trinitron HDTVs that do not feature an SFP tube. 16:9 Enhanced WEGA models differ from original WEGA models mainly in their ability to ...
This also applies to Sony's SLT digital cameras, which use the image sensor for exposure metering all the time. As of 2012, [update] no digital SLR or SLT camera on the market supported any form of real-time TTL flash metering using the image sensor.
A 1951 USAF resolution test chart is a microscopic optical resolution test device originally defined by the U.S. Air Force MIL-STD-150A standard of 1951. The design provides numerous small target shapes exhibiting a stepped assortment of precise spatial frequency specimens.
D-1 or 4:2:2 D-1 (1986) was a major feat in real time, broadcast quality digital video recording. It stores uncompressed digitized component video, encoded at Y'CbCr 4:2:2 using the CCIR 601 raster format with 8 bits, [1] [2] along with PCM audio tracks as well as timecode on a 3/4 inch (19 mm) videocassette tape (though not to be confused with the ubiquitous 3/4-inch U-Matic/U-Matic SP cassette).
In 1973, Sony introduced double-layer ferrichrome tapes having a five-micron ferric base coated with one micron of CrO 2 pigment. [ 71 ] [ 51 ] The new cassettes were advertised as 'the best of both worlds' — combining the good low-frequency MOL of microferric tapes with good high-frequency performance of chrome tapes.