ARRI ARRIFLEX D-21 - Manual (Page 9)

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ARRI | ARRIFLEX D-21 / D-21 HD
The Optical Viewfinder
While most digital cameras use electronic viewfinders, the D-21 and D-21 HD
are equipped with the same optical viewfinder as all other ARRI cameras. Thus
the cameras’ viewfinder always shows an image area larger than the image
being recorded, and it can be used even when they are not powered up.
Light entering the taking lens is diverted by a spinning mirror shutter and
generates a bright, magnified full color image in the viewfinder. This direct light
path, free of any electronic image processing, ensures fatigue-free viewing as
well as zero delay, a crucial feature when shooting fast action, where a delay of
even a few frames can be very confusing. But even something as mundane as
following a person getting up from a chair can become horrifying guesswork if
the viewfinder image is delayed.
The D-21 and D-21 HD optical viewfinder can be freely rotated, extended or
flipped to the other camera side for comfortable viewing in any camera position.
An extension viewfinder, eyepiece leveler and a heated eyepiece are useful
accessories in many shooting situations.
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