Sony A 100 Manual

41
Using the shooting functions
To attach the eyepiece cover
When the shutter is released without the use of the viewfinder, as in bulb exposure or shooting with the 
self-timer, attach the eyepiece cover to prevent light from entering through the viewfinder and affecting 
the exposure.
1Carefully slide the eyecup off by pushing on each side of the eyecup.
2Slide the eyepiece cover over the viewfinder. The cover is normally attached to the shoulder 
strap.
 When attaching the eyepiece cover, the eyepiece...

42
Using the function dial
Set the function dial to the desired function. You can set the focus frame, AF mode, metering 
mode, flash compensation, color mode, etc.
ISO:Setting ISO/Zone Matching (page 44)
WB:Adjusting the white balance (page 46)
D-R:D-Range Optimizer (page 49)
DEC:Selecting the color/DEC mode (page 49)
:Focus mode (page 51)
:Flash (page 54)
:Metering mode (page 58)
Function dial 

43
Using the shooting functions
1Set the function dial to the desired position.
2Press the Fn button so that the function screen appears.
3Select the desired setting or value with v/V/b/B on the controller.
 You can substitute the control dial for b/B of the controller.
 For details on the setting method, see the corresponding explanation.
4Press the center button of the controller to complete the operation.
The settings you select are set.
How to use the function dial
Function dial
Controller Fn button...

44
You can adjust the ISO sensitivity and switch the Zone Matching setup.
ISO is a unit of measurement of sensitivity to light. The larger the number, the higher the 
sensitivity.
1Display the ISO/Zone Matching screen with the function dial and the Fn button (page 43).
2Select 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).( : The default setting)
 When [ISO] is set to [AUTO], the ISO sensitivity...

45
Using the shooting functions
You can keep the image from becoming overexposed or underexposed when shooting a high-
keyed or low-keyed subject.
This function is also available for a RAW file.
1Display the ISO/Zone Matching screen with the function dial and the Fn button (page 43).
2Select [Lo80] or [Hi200] with v/V/b/B on the controller, then press the center of the controller.
 [AUTO], [100], [200], [400], [800] and [1600] options are used for ISO sensitivity (page 44).
 The ISO sensitivity is set to...

46
Normally, the camera automatically adjusts the color tones. However, you can also adjust 
them according to the lighting conditions.
1Display the White-balance mode screen with the function dial and the Fn button (page 43).
2Select the desired white balance mode with v/V on the controller.
3To select [AWB], press the center of the controller.
To select anything other than [AWB], go to each procedure.
*K: stands for “Kelvin” (unit of color temperature)
Select an option to suit a specific light source....

47
Using the shooting functions
4Press the center of the controller.( : The default setting)
 For details on the white balance t page 17
 If the ambient light consists of sodium-vapor lamps or mercury-vapor lamps alone, an accurate white 
balance cannot be acquired due to the properties of the light source. Use of the flash is recommended to 
overpower the ambient light. 
You can set the white balance using a color temperature.
Based on using the set color temperature as the standard, the color can be...

48
 Pressing v compensates toward M (Magenta), and pressing V toward G (Green). This compensation 
can adjust among nine steps in each direction.
 The increment on the scale is equivalent to approximately 5CC.
5Press the center of the controller. If you change the color temperature after adjusting the CC filter, the actual CC filter value reflects the 
new color temperature.
In a scene where the ambient light consists of multiple types of light source, use of custom 
white balance is recommended in order...

49
Using the shooting functions
The camera analyzes the shooting conditions and automatically corrects the image to improve 
the image quality.
1Display the D-Range Optimizer screen with the function dial and the Fn button (page 43).
2Select the desired mode with b/B on the controller, then press the center of the controller.
( : The default setting)
 There is no effect in the following cases.
– Center weighted metering
– Spot metering
– The mode dial is set to M.
– [Quality] is set to [RAW] or [RAW &...

50
3When adjusting the contrast, saturation, or sharpness, move to the screen used for adjustments 
with V, select the desired item with v/V, then adjust the value with b/B.
4Press the center of the controller.
( : The default setting)
*Uses the sRGB color space (see below).
 Selecting auto white balance (page 46) produces a more effective color tone. Use auto white balance 
especially in Sunset mode.
zAbout sRGB color space and Adobe RGB color space
sRGB color space
This is the standard color space of...