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Appendix
10
Metering Method
Brightness of subject is measured to determine exposure. In this camera,
select from Multi-segment Metering, Center-weighted Metering and Spot
Metering.
Mired
Proportional scale of measurement that consistently shows color change
per unit. Determined by multiplying the inverse of the color temperature by
1,000,000.
ND (Neutral Density) Filter
A filter with many saturation levels that adjusts the brightness without
affecting the color tone of pictures.
Noise Reduction
Process to reduce noise (image roughness or unevenness) caused by
slow shutter speed or high sensitivity shooting.
NTSC/PAL
These are video output formats. NTSC is mainly used in Japan, North
America, and South Korea. PAL is mainly used in Europe and in China.
PNG format
Images saved using this format can be compressed to a small file size, but
the reversible compression of this format makes the file size larger than
JPEG. This format is for use with full-color images and prevents quality
loss even when re-edited. PNG files, however, cannot be viewed on older
browsers (Internet Explorer 3.0 or earlier or Internet Explorer 4.5 on
Macintosh). In addition, thumbnail images and image properties cannot be
embedded in the data.
Quality Level
This refers to the image compression ratio. The lower the compression,
the more detailed the image. The image becomes rougher as the
compression rate rises.