Panasonic AJHDC27H - DVCPRO HD CAMERA Manuale utente

AJ-HDC27H

Variable Frame-Rate HD Camera-Recorder

Panasonic continues to expand the boundaries of video

production with breakthrough digital image technologies that

put more expressive power in the hands of movie, TV

commercial, and episodic TV programme cinematographers.

Introducing the AJ-HDC27H, the second-generation variable

frame rate HD camera-recorder that's suitable for producing

all types of image content.

The AJ-HDC27H combines variable frame rates that emulate

the speed effects of a film camera with cine gamma image

quality that offers the sufficient latitude to take full advantage

of the full dynamic range of film theater projection.

No wonder more and more production companies have turned

to variable frame rate as their HD camera with film sensitivity

and a system capable of dramatically reducing movie

production costs.

The AJ-HDC27H inherits the basic design and features of its

predecessors while adding enhancements geared to today's

latest production needs. Everything from image quality to

functions and operating ease has been fine-tuned. Capturing

smooth, beautiful images, the new variable frame rate debuts

as a low-cost, high-quality solution to production of content

from movies and TV programmes to commercials and

music clips.

New AJ-HDC27H Functions and Specifications

•Newly developed 3CCD system

•12-bit A/D converter

•New high-resolution emulation mode

•Lens files can be written to an SD Memory Card

•Two individual HD-SDI outputs

•Frame rate switching can be assigned to a user button

Panasonic Keeps Evolving

Digital Video with the Sensitivity of Film

Variable Frame Rate

The Panasonic AJ-HDC27H is the video camera able to

emulate the "undercranking" and "overcranking" technique

of film cameras to slow down or speed up images. By

varying the frame rate from 4 to 60 fps and adjusting the

shutter speed from 3.0º to 350.0º (0.8% to 97.2%) of the

frame rate, you can create a wide range of cinematic

effects. And since the VTR section records at a constant

60 fps, you can edit offline with a conventional DVCPRO

HD VTR.

VARIABLE FRAME RATE

Offers Advanced Speed Effects and

Produces All Types of Content – Only the Panasonic

4-fps 12-fps 24-fps 36-fps 48-fps 60-fps

6X 2X 1X 0.67X 0.5X 0.4X

NormalUndercranking Overcranking

Normal Speed

Recording

Playback

Quick Motion Slow Motion

Normal Shooting at 24 fps (for Film) or 25 fps

(for TV programme)

Normal cinematic shooting is done at true 24 fps, the same

rate as in film cameras, or at the 25 fps used for TV

programmes and commercials. Discrete

720p images and a specially

developed film gamma curve create

images with the same tonal

characteristics as film.

Lower-speed Shooting at 4 to 23* fps

For example, shooting at 12 fps lets you attain a 2x fast-

motion effect with playback at the cinema speed of 24 fps.

This technique can be combined with zooming to create a

warp-speed effect, such as for giving special emphasis to

flowing water, fast-moving clouds, or a person standing still

amid a bustling crowd. Decrease the shutter speed for a strobe

effect, or increase it for a ghost effect. The expressive

possibilities are endless.

*When the standard speed is 24 fps. For a standard speed of 25 fps, anything under 24 fps

will be undercranked.

Higher-speed Shooting at 25* to 60 fps

For example, shoot at 48 fps to attain a 1/2x slow-motion

effect with playback at the cinema speed of 24 fps. This is

especially effective for high-action scenes such as car chases

or spectacular crashes, or for scenes with great dramatic

impact. Unlike the slow motion captured at playback speed by

ordinary video cameras, the AJ-HDC27H captures highly dense

frames to provide a smooth, naturally flowing slow-motion

effect with vivid picture quality.

*When the standard speed is 24 fps. For a standard speed of 25 fps, anything over 26 fps

will be overcranked.

Film Gamma Selection

The extremely wide reproductive range of film is the key to

its lush expression. Panasonic's new gamma curves —

developed specifically to allow a CCD camera to produce

the tonal qualities of film — now bring film's natural

shading and rich coloration to the video camera.

The AJ-HDC27H also lets you switch between video and

film gamma modes. Film modes include "Cine Gamma" for

film using ARRI laser recorder, High End TV Production, for

monitoring and CRT base film recorders. Select the mode

that suits your production. The ISO640-equivalent

sensitivity — which surpasses even film cameras —

combines with the brightness and superior picture quality

to produce an essentially "grainless, high-sensitivity film"

effect.

CINE GAMMA

Video with the Same Latitude as Film – Only Panasonic

Video Ganmma Image Film Ganmma Image

Film User Menu Screen

Three Gamma Curves

•Video gamma: The conventional gamma curve

used for broadcast video cameras. Includes a

low setting for clipping.

•Cine gamma (V.REC): Designed for creating

film-like TV programmes or videos, with

virtually the same recording style that you

currently use.

•Cine gamma (F.REC): Designed for movie-

making or creating film-like commercial or

episodic TV programmes. Takes full advantage

of cine gamma capabilities to let you shoot in

the same way as when using a film camera.

Film User Menu

The AJ-HDC27H is like a film camera not only in

functions and performance, but in operation as

well. The settings you need are conveniently

grouped in a single-page menu. Use this menu

to select or adjust gamma, scan reverse

ON/OFF, hardness/softness, shadow gradation,

Y-Get , and latitude. Just as with a film camera,

you can also select tungsten or daylight type

lighting.

0% 100% 200% 300% 400% 500% 600%

20%

40%

60%

80%

100%

Input

Output

Video

Cine (V. Rec)

Cine (F. Rec)

Ganmma Curve

The optional HD gamma corrector and frame rate converter

give you total operating ease with the AJ-HDC27H two key

features – the cine gamma curves and variable frame rate.

Add a DVCPRO HD VTR with the HD/SD multi-format

function and IEEE 1394 and HD-SDI digital interfaces, and a

nonlinear editing system that supports DVCPRO HD, and

you're fully equipped to use AJ-HDC27H-recorded content in

a wide variety of productions – movies, HD theater, HD/SD

TV broadcasts and more.

HD PRODUCTION TOTAL SYSTEM

A Total HD Production System – For Producing All Types of Image Content

AJ-FRC27

Frame Rate Converter

Speed Effects Achieved with Frame Rate Conversion

You can create a variety of speed effects by running sources recorded with the variable

frame rate function through the frame rate converter. The AJ-FRC27 Frame Rate Converter

extracts the effective frames from the input source, then outputs the data at the desired

frame rate. It also includes a built-in line conversion function for converting to 1080/24p

images.

Gamma Corrector for Easier Recording and Editing

Images recorded in cine gamma (F.REC) mode are flat and low in contrast, similar to a

direct negative-to-positive reversal. This produces an excellent film-like quality, but it's

difficult to check the images on a TV monitor. The AJ-GBX27 HD Gamma Corrector

greatly improves acquisition and editing ease by giving F.REC images a telecine look for

monitor use. The AJ-GBX27 also makes it easier to produce TV broadcast clips from

movie content.

Variable Frame Rate Content for a Host of Uses

By freely combining the variable frame rates 24/25-fps frame rate, gamma curves, and

variable frame rate functions, you can create virtually any type of image content.

•Movie film use: Post-edited images can be printed onto film for cinema viewing. The

resulting images have almost the same tonal quality and undercranking or overcranking

speed effects as footage from a film camera, but with higher sensitivity and lower cost.

•HD theater use: variable frame rate sources are ideal for use in HD theaters that use a

high-brightness, high-resolution HD projector. Because it does not use film, variable

frame rates footage offers greater flexibility in programme changes and inserts. It also

offers low-cost production and use.

•Commercial and music clip use: The combination of variable frame rate and a nonlinear

editing system offers many advantages, including film-like images, easy content

changes, and low overall costs.

•TV programme use: The 25-fps frame rate and conventional video gamma curve also let

you create video-based TV programmes.

NLE HD Theater

Film Theater

HD TV

AJ-HD1200AE

DVCPRO HD VTR

AJ-FRC27

Frame rate Converter

AJ-GBX27

HD Gamma

Corrector

HD Production System

AJ-HDC27H

HD Camera-Recorder

AJ-GBX27

HD Gamma Corrector BT-LH1700W

BT-LH900

HD/SD LCD Video Monitor

PT-D7700

PT-DW7000

Large-Venue DLP Projector

AJ-HD3700B

HD-D5 VTR

AJ-HD1700

AJ-HD1200A

DVCPRO HD VTR

Camera section: Captures a wide range of

images for use in cinematic or broadcast

productions.

•Newly developed 3CCD system provide F12 (2,000-lux)

sensitivity, minimum illumination of 0.7 lux

•12-bit A/D converter improves gradation

•Selectable frame frequency (60.0 Hz for PAL area/59.94 Hz

for NTSC area)

•Same tungsten/daylight selection as in film cameras. Also

comes standard with two ND and CC optical filter wheels

•Picture-enhancing circuits: Auto knee, detailing, shading

compensation, 12-pole colour correction, matrix

•New high-resolution emulation mode (switchable with

normal mode)

•Up to 10 gain values ranging from –3 dB (–6 dB in video

menu) to +30 dB; 3 values can be saved as presets. Super

Gain instantly increases gain to +36 dB.

•7 shutter speeds (1/60, 1/100, 1/120, 1/250, 1/500, 1/1000,

1/2000 sec), plus 3˚-350˚ (0.8%-97.2%) variable

•Auto Black Balance (ABB) and Auto White Balance (AWB).

AWB stores two values for each set of four CC filter

positions.

•“Y Get” makes spot meter function realized on EVF

•Digital setup for numeric image control. Easy jog dial and

menu-driven operation.

•Simple cinematic settings via the Film User Menu

AJ-HDC27H CAMERA-RECORDER

Side view

Side view Front view

Rear view

DVCPRO HD Cassette tape Extension control unit

Combining Advanced Digital Recording

and Cinema Know-How — Only Panasonic

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