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VariCam Creativity
Variable Frame Rates from 12 to 50 fps
Allows Cinematic Expression
Variable Frame Rate from 12 to 50 fps
Panasonic's variCam — named for its ground-breaking variable
frame rate capability — is widely used in the production of movies,
tv programs and commercials. With the ag-hvX200a series, the
variable frame rate function is also available in this compact
camera.
in 720p mode, the frame rate can be set from the conventional 25p
to any of 11 steps between 12p and50p. Like the variCam, the
ag-hvX200a series allows the undercranking and overcranking
used with film cameras to create fast-motion and slow-motion
effects.
•Normal cinematic shooting is done at 25 fps, the same rate as in film cameras.
the ag-hvX200a series can record in 1080/25p (over 50i) or 576/25p (over 50i) mode, as
well as 720/24p mode. 25 fps is the standard frame rate used in production of tv
commercials, music clips and video software. the ag-hvX200a series can also record in
1080/25p (over 50i) or 576/25p (over 50i) mode, as well as 720/25p mode.
•Higher-speed shooting at 27* to 50 fp produces slow-motion effects.
this is especially effective for high-action scenes like car chases or crashes, or to create a
dramatic impact in a scene.
*When the standard speed is 25 fps, anything over 27 fps will be overcranked.
•Lower-speed shooting at 12 to 23* fps lets you attain fast-motion effect.
this technique can be combined with warp-speed effect, special emphasis to flowing
water, fast-moving clouds.
*When the standard speed is 25 fps, anything under 23 fps will be undercranked.
7
inheriting the eXPreSSive PoWerS oF the variCaM
Equipped with Native and
Over-50p Modes for Previewing Visual Effects
720p Native Mode
in the native mode, the ag-hvX200a series records images at the
frame rate set in the camera. For example in 25p mode it only
records 25 frames instead of the normal 25 frames.
When using this mode for undercrank or overcrank, only the frames
dialed in are chosen.
Using the ag-hvX200a series to play back the recording at the
normal rate, you can preview the speed effect right on the spot,
without using a frame rate converter. native mode also extends the
recording time of a P2 card.
720p over 50p Mode
For example, in 25p mode it records 50 frames by applying a 2:2
pulldown. the recording time is the same as in 1080i or 720p mode,
but the unit can output a dvCPro hd stream from the ieee 1394
connector as it records. this lets you produce a backup copy using
a connected external hard disk recorder, such as the FoCUS
FireStore FS-100.
•FoCUS and FireStore are registered trademarks of FoCUS enhancements, inc..
1080/576 25p Shooting Mode
the 1080 and 576 progressive recording systems convert
recordings to 50i in 25p shooting mode. the 25p shooting mode
uses 2:2 pulldown and performs 25p/50i conversion with minimum
image degradation when recording data is uploaded via an
ieee 1394 interface to a compatible nonlinear editing system.
this lets you maintain superior image quality throughout the
production process.