JVC titles to present for the first time in the world "Full HD" 1920 x 1080i camcorder featuring the three 1/5inche progressive Charge-coupled device, 60GB(Gigabyte) HDD (Hard disc drive), OIS (i.e. Optical Image Stabilization) and Fujinon Pro Lens. Colin Barrett explains it.

I was within a small group of Britain reviewers who were in attendance when the wrappings were lifted off the GZ-HD7 first at its Europe launching in Athens in the beginning of the year 2007, and on 1^st look it certainly seemed well. According to JVC, this camcorder provided a world for the first time in presenting us complete 1920 x 1080i HD recording and replay on a user camcorder.

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Not simply that, but three 1/5th inch Charge-coupled device (employing JVC's own trademark of pixel shift technology), a Fujinon broadcast quality lens and OIS (optical image stabilization) were assured to put the contest good and really into the shade, we were confident.

First impressions

JVC's present series of Everio HDD (hard disk drive) based camcorders stands for a witting push by the company away from tape in rendering movie recording and replay employing inner HDDs (hard disc drive) instead than tape (as practiced with HDV) or even DVD discs. With DVD an maintained non-starter at JVC and even tape-based DV formats at present on the exit, the company is confident that hard disc drive recording is where it is at, so it was no shock to come opposite with this fresh high account member of the now-launched Everio category throughout in Greece.

The major dissimilarity between the HD7 and its cousin, the GZ-MG575, is that it is larger, dumpier and weightier - but all for the more beneficial. It really appears like a right pro-caliber video-producing instrument; the Fujinon lens - with its manual operate and brilliant optical characters - is a plus as are well planned suitable for both handheld and stand-based photographing.

The range of available manual commands is wide-ranging, as are such professional-caliber requirements as a color line creator and zebra exposure figure creator, as well. Furthermore, the HD7's 60gibabyte imbedded hard disk drive renders above 5 hrs timing of broad-specification high account video recording at a resolution of 1920 x 1080i pixels, saving at speeds equal to 30Mbps. As JVC will assure you, the photograph that is created at the camera head is preserved decently by the recording procedure - lens, Charge-coupled device, MPEG2 Transport Stream and output thru HDMI or Universal Serial Bus 2.0 - with no signal changeover to take down the full native high account resolution.

The HD Everio utilizes three 1/5” Charge-coupled devices. One each for the red, green and blue image channels. Which offers the camera an enhanced opportunity of collecting the entire variety of visual detail and resulting to an extra naturalistic copy. This is more assisted by the internalization of like Fujinon pro lens equipment to that discovered on certified video and television camera arrangements.

The lens is meant to render what JVC depicts as "higher-ranking optical functioning" and almost the similar luminance (F1.8-1.9) during its f=3.3mm-33mm zoom range gives thanks to three aspheric lens components, one prepared of furnished glass. The lens exterior is surfaced with a modern Electronic Beam Coating (EBC) planned to cut down abasement made by light shining off the lens surfaces, resulting to greater light transmitting and reduced sparkling and ghosting.

At its release, JVC laid claim to have prepared the industry's 1st high-caliber full HD 3-CCD camcorder technology for practice in a user camcorder. The three 1/5” 16:9 progressive scan Charge-coupled device are fabricated for HD video recording and function in a crosswise offset pixel form to produce the high resolution picture for taping in full HD.

Planned for HD use, each of the three 1/5-inch 16:9 progressive scan Charge-coupled device features large pixels sizing 3.28 microns x 3.28 microns, approximately double the sizing of pixels in JVC 2-megapixel camcorders, for bigger modulation transfer function (MTF) and sensitivity measures. The Charge-coupled device ratio was oriented to16: 9 for full HD recording in a disc drive camcorder first at JVC. The compacted camera unit creates high-resolution pictures that are taped in full HD 1920 x1080i resolution.