Setting Iso/Zone Matching - Sony a (alpha) DSLR-A100 Operating Instructions Manual
Digital single lens reflex camera
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- User's manual / troubleshooting (159 pages) ,
- Service manual (104 pages) ,
- Operating instructions manual (19 pages)
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Setting ISO/Zone Matching
You can adjust the ISO sensitivity and switch the Zone Matching setup.
ISO
ISO is a unit of measurement of sensitivity to light. The larger the number, the higher the
sensitivity.
1 Display the ISO/Zone Matching screen with the function dial and the Fn button (page 43).
2 Select the desired value with v/V/b/B on the controller, then press the center of the controller.
• [Hi200] and [Lo80] options are used for Zone Matching (page 45).
AUTO
100
200
400
800
1600
• When [ISO] is set to [AUTO], the ISO sensitivity is automatically adjusted between ISO 100 and ISO
800, however, if the mode dial is set to M, it is fixed at ISO 100.
• The built-in flash range (the range within which the correct exposure is provided) depends on the aperture
value and ISO sensitivity. Refer to the following table to determine the shooting distance.
Aperture
F2.8
1 – 4.3 m
(39 3/8 – 169
3/8 inches)
F4.0
1 – 3 m
(39 3/8 – 118
1/8 inches)
F5.6
1 – 2.1 m
(39 3/8 – 82
3/4 inches)
44
Automatically adjusts the ISO sensitivity.
Select a large number when shooting in dark locations or
shooting a subject moving at high speed, or select a small
number to obtain high image quality.
100
200
1 – 6 m
(39 3/8 – 236
1/4 inches)
1 – 4.3 m
(39 3/8 – 169
3/8 inches)
1 – 3 m
(39 3/8 – 118
1/8 inches)
ISO setting
400 / AUTO
1.4 – 8.6 m (55
1/8 – 338
(78 3/4 – 472
5/8 inches)
1/2 inches)
1 – 6 m
1.4 – 8.6 m
(39 3/8 – 236
(55 1/8 – 338
1/4 inches)
5/8 inches)
1 – 4.3 m
(39 3/8 – 169
(39 3/8 – 236
3/8 inches)
1/4 inches)
ISO WB D-R DEC
(
: The default setting)
800
1600
2 – 12 m
2.8 – 17 m (110
1/4 – 669
3/8 inches)
2 – 12 m
(78 3/4 – 472
1/2 inches)
1 – 6 m
1.4 – 8.6 m
(55 1/8 – 338
5/8 inches)
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