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Basics Continuedonthenextpage When using other than ISO 100, or when using the wide panel or diffuser When using other than ISO 100, or when using the wide panel or diffuser Without wide panel or diffuser (Exposure adjustment) With wide panel (Exposure adjustment) With diffuser (Exposure adjustment) ISO 25 +2 Stop +3.5 Stop +4.5 Stop ISO 50 +1 Stop +2.5 Stop +3.5 Stop ISO 100 No change +1.5 Stop +2.5 Stop ISO 200 –1 Stop +0.5 Stop +1.5 Stop ISO 400 –2 Stop –0.5 Stop +0.5 Stop ISO 800 –3 Stop –1.5 Stop –0.5 Stop ISO 1600 –4 Stop –2.5 Stop –1.5 Stop f/stop scale a half-stop Using the f/stop scale a full-stop Decrease exposure Increase exposure Using the f/stop scale at the left, moving one step vertically is equal to a full-stop change. Moving one step diagonally is equal to a half-stop change. Half a stop is basic for setting the aperture in this step. When using a 0.3 stop setting camera, adjust the aperture by a value as close as possible to a value in the above table and use the aperture around the f/stop scale. For precise photography, bracketing is recommended. Example: Starting at f/8, if you decrease the exposure by a full stop, you get f/11. If you increase by half a stop, you get f/6.7. Selecting the aperture when using other than ISO 100, or when using the wide panel or diffuser Selecting the aperture when using other than ISO 100, or when using the wide panel or diffuser 2 Check the additional adjustment when using other than ISO 100 or when using the wide panel or diffuser by using the table on page 28. 3 Check the calculated acceptable aperture range by using the f/stop scale using the results of step1 and step2. 4 Apply the result of step3 to the actual aperture range for this particular lens and select the usable range for satisfactorily results. Example: Using a 50mm F2.8 Macro lens, two twin flash units, no arm, magnification ratio of 1:2, and ISO 200 1 Check the calculated acceptable aperture range when using a 50mm F2.8 Macro lens, two twin flash units, no arm, magnification ratio of 1:2, and ISO 100. .f/8 - f/180 (refer to the table on page 27) 2 Check the additional adjustment when using ISO 200 and diffuser by using the table on page 28. .Increase the aperture by +1.5 stops (refer to the table on page 28). 3 The aperture increased by +1.5 stops from f/8 is equal to f/4.5, and the aperture increased by +1.5 stops from f/180 is equal to f/108. 4 The actual aperture range for a 50mm F2.8 Macro lens is f/2.8 - f/32, so the upper limit of the adjusted f/4.5 - f/108 range, i.e. f/108, is beyond the range that can be set. The usable range for satisfactorily results is therefore f/4.5 - f/32. Basics Program auto flash (The basics) Program auto flash (The basics) 1 Set the POWER switch of the camera to ON and select P mode. 2 Press the flash ON/OFF button to turn on flash-ON lamp on the control panel. 3 Focus your subject and check the magnification ratio. 4 Select the flash. 5 When the macro flash controller is charged, press the shutter button to take a photo. 0 . . . The P mode flash program is designed for general subjects, not macro subjects. When taking macro photos, the depth-of-field may be very shallow. If the aperture selected by the camera is outside the allowable range, the proper exposure cannot be obtained (p. 26 - 29). Basics 1 Manual flash (M) Manual flash (M) the proper exposure for the subject. Manual flash provides a fixed flash intensity irrespective of the brightness of the subject and the camera setting. . In manual flash mode, the maximum flash power is when the manual flash control is set to 1/1. Each step of the flash power level corresponds to one aperture stop. Changing the setting by one stop, for example from 1/1 to 1/2, is equivalent to decreasing the aperture one stop, for example from f/4 to f/5.6. . Manual flash can only be used when the camera is in the M mode. In other modes, TTL measuring is automatically selected. . As manual flash is not affected by the reflectivity of the subject, it is convenient for use with subjects with extremely high or low reflectivity. TTL flash metering Manual flash metering 1 Select M mode on the camera. 2 Press the TTL/M/Test button to light on the M (manualflash control) lamp. The modes change in the following order. (Test flash (p. 40), Modeling flash (p. 41)) h Test flash Test flash Modeling flash Modeling flash Detailed 3 Select shutter speed and aperture (p. 34 - 39). 4 Turn the appropriate manual-flash-control dial and select the desired power level (p. 34 - 39). .When viewed from the rear (control panel side), the manual-flash-control dial for twin flash A is on the left, and that for twin flash B is on the right. You can select any power level setting on the upper scale from 1/1 to 1/64. A flash B flash . In manual flash mode, if a proper exposure has been obtained, the flash- ready lamp will not blink on the control panel after a photo is taken. . Using customized functions, manual flash may be selected without setting th...