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  2. Minolta STF 135mm f/2.8 T4.5 - Wikipedia

    en.wikipedia.org/wiki/Minolta_STF_135mm_f/2.8_T4.5

    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 ...

  3. Optical transfer function - Wikipedia

    en.wikipedia.org/wiki/Optical_transfer_function

    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 .

  4. SST (typeface) - Wikipedia

    en.wikipedia.org/wiki/SST_(typeface)

    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]

  5. FD Trinitron/WEGA - Wikipedia

    en.wikipedia.org/wiki/FD_Trinitron/WEGA

    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 ...

  6. Through-the-lens metering - Wikipedia

    en.wikipedia.org/wiki/Through-the-lens_metering

    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.

  7. 1951 USAF resolution test chart - Wikipedia

    en.wikipedia.org/.../1951_USAF_resolution_test_chart

    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.

  8. D-1 (Sony) - Wikipedia

    en.wikipedia.org/wiki/D-1_(Sony)

    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).

  9. Compact Cassette tape types and formulations - Wikipedia

    en.wikipedia.org/wiki/Compact_Cassette_tape...

    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.