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Mamiya C330S: Page 21
Close-up Photography 21
Setting the Parallax Correcting Dial:
By turning the parallax correcting dial
(10), set the dial index to the
focal lenght of the lens used. Subsequently, while the lens is being
extended, the pointer will appear on the upper left portion of the
focusing screen. The position of this pointer indicates parallax and the
exposure factor.
Correcting Parallax:
When the pointer appears on the focusing screen, the upper portion
visible above the pointer will be cut off on the film. Be sure that the
subject satisfactorily appears under the lower portion of this pointer.
When using the camera on a tripod, use the Paramender (parallax
correcting device) to ensure that the camera photographs the same
image viewed on the focusing screen through simple operations.
Compensating Exposure:
As distance between the lens and film increases, image brightness on
the film is reduced even though aperture size remains the same.
Consequently, it is necessary to increase the exposure.
The figures on the focusing screen left side indicate the exposure
factor. Compensate in the exposure after reading the figure indicated
by the pointer while focusing. For instance, assuming that the correct
exposure value measured by an exposure meter is 1/125 sec. at f/11,
compensate in the exposure as follows:
If the pointer indicates 2, 1/125 sec., f/8
or 1/60 sec., f/11
If the pointer indicates 3, 1/125 sec., between f/8 & f/5.6
or 1/60 sec., between f/11 & f/8
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