Ikegami DNS-33W Manual do utilizador - Página 4

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Features

Camera Performance

■ 12-bit A/D Converter

Employing an advanced 12-bit A/D converter ensures improved

contrast in low light luminance portions of the image. Knee

expansion circuitry incorporated at the first stage of the digital

processing restores linearity in high luminance areas which is lost

in the in the pre-knee process. Through this technology, linear

signal processing at 600% is achieved in the digital processing,

resulting in improved signal characteristics, including knee and

flare.

PRE KNEE

600%

KNEE EXPAND

IN PUT

600%

■ Digital Process

A newly developed digital processing ASIC

is employed, which handles almost all of

the signal processing. Designed at

0.18micron rule, the ASIC quantizes video

signals with up to 38 bits for internal

processing. Full digital processing after

pre-knee ensures stable and reliable

picture quality. Circuitry that has in previous generation DSP

cameras been analog, such as white balance and white shading,

is now digitized, to deliver the highest quality video with excellent

S/N in all modes of operation. The digital ENC circuit, which is built

into this chip, provides stable composite video from the camera

head.

■ S/N 66dB (Typical)

Excellent S/N 66dB(NTSC) / 64dB(PAL), which heretofore would

have been impossible, has been achieved thanks to newly

developed CCD signal processing, improvement of pre-amp,

digitization of remaining analog circuit and adoption of 12-bit A/D

conversion. Video signal noise has been reduced by 50% in

practical operation from our previous model.

■ AIT (Advanced Interline Transfer) CCDs

High performance 520K pixel(NTSC) 16:9/4:3 switchable AIT

CCDs offer very low smear level of -135dB with 100,000 times

lighting condition. This figure actually exceeds that of previous FIT

chips.

■ ECC (Electronic Color Compensation) Filter

Employs 4 position(3200K/4300K/6300K/8000K) ECC filter. It

provides higher sensitivity at high color temperature with similar

operation to current top end

broadcast cameras. A 4-position

Neutral Density Filter is

provided to accommodate the

full range of outdoor lighting

conditions.

■ Hyper Gain

Hyper-gain up to +48dB allows minimum illumination of just

0.03lux(F1.4 with 50% video level).

Normal

KNEE EXPAND

600%

IN PUT

600%

Gain UP

■ Adaptive Auto Knee

In addition to the conventional auto knee circuit that varies the

slope of the knee according to the degree of over exposure, the

DNS-33W includes an adaptive auto knee that adapts both the

point and slope of the knee to give improved contrast in the

highlight area. The adaptive auto knee has five different pivot

points, selected by the menu, so that operator can optimize the

performance according to the application.

■ Super-Knee

This function retains color in high light areas where it typically

looses saturation in knee circuit. The Super Knee circuit uses the

600% dynamic range in digital to recover the color saturation.

Normal

■ 4ch Audio

4ch audio recording is available. Sampling frequency can be set at

44.1KHz or 48KHz. Audio input from front MIC, rear audio

inputs(2inputs) or Unislot(RF Receiver) can be assigned to each

channel.

■ Touch Control 3.5inch Color LCD

The 3.5 inch color LCD panel can display recording status

information, accesses menus pertaining to camcorder recording,

or display camera output / playback video. Display mode and

settings can be changed with touch panel operation.

■ D-Tap Connector

A D-Tap connector for powering a

light is located at the inside of the

front of the handle. This eliminates

the need to run a power cable to

the battery bracket. Light control

can be synchronized to REC

control of camera.

■ 1.5" Viewfinder with

slide mechanism

Equipped with a high performance

viewfinder of 600TVL horizontal

resolution, the viewfinder can be moved

back and forth / right and left by means

of an innovative sliding system. In

addition to conventional locations, the

viewfinder has a rear tally light on the

backside for easy taking confirmation at

various shooting angles.

Super Knee ON

D-Tap Connector