4-segment flash metering
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 A 4 - segment TTL direct flash metering system allows the Dynax 9 to detect subject position with high accuracy. Three of the segments cover the wide focus area, aligned with the 3 - point AF sensors, while the fourth covers a broader outer area. Based on the subject's magnification, position, and distance from the background, the Dynax 9 selects the segment that detects where the subject is most likely to be and puts most of the metering emphasis on that segment, thus optimising meter sensitivity distribution. As a result, correct flash exposure is assured regardless of the subject's position or distance from the background, even if it is brighter than the subject.
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Pre - flash metering
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 With the Program Flash 5600HS(D) (56 in meters at 85mm and ISO 100) attached, the camera fires a pre - flash when you press the shutter - release button, right before actual exposure starts. The 14 - segment honeycomb - pattern cell interprets the light reflected from the subject and provides this data so the Dynax 9 can determine the optimum final exposure with even greater precision.
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Built - in flash for supplementary light source
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 The Dynax 9 includes a built - in flash with a coverage of 24mm focal length, a guide number of 12 (ISO 100) and red - eye reduction. In addition to supporting daylight sync or portrait shots, the flash functions as the signal for wireless flash shooting. Manual lift - up/push - down operation gives you full control over the built - in flash function.
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Remote off - camera TTL flash control
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 By combining additional Program Flash 5600HS(D) / 3600HS(D) with the built - in flash, you can easily configure a wireless flash shooting system* to expand flash photography possibilities. To control the subject's shadow balance as you wish, the power output of the two units can be set to 2:1 lighting ratio manually or automatically.
* With sync speed 1/60 sec. or slower.
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TTL High Speed Sync (HSS) up to 1/12000 sec.
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With the Program Flash 5600HS(D) and 3600HS(D), fully automatic TTL flash sync is possible with flash sync speeds all the way up to 1/12000 sec. The advantages are evident in daylight sync shooting at wide apertures of subjects that are darker than the background.
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Rear Curtain Flash Sync*
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When shooting moving subjects with flash at slow shutter speeds, Rear Curtain Flash Sync is a must. Rather than illuminating the subject at the beginning of the movement, as with a conventional flash, it illuminates the subject just before the rear curtain is driven. This causes the trails of light to follow instead of precede the image, so the movement looks natural.
* Not possible in remote off-camera flash shooting.
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Flash compensation
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 The flash compensation range is -3EV to +3EV in 1/2EV increments. Compensation is done directly with the flash compensation dial on top of the body. It is linked to the exposure compensation dial, so you are able to fine - tune exposure control.
Example: To compensate normal light at +1EV with flashlight at -2EV, the exposure compensation dial is set to +1.0EV (exposure compensation control value is +1.0), and the flash compensation dial is set to -3.0EV (flash compensation control value is +1.0 minus 3.0 = -2.0).
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Sync terminal for flash cable
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When you need to use large external flash units in studios, a PC terminal allows easy connection of flash - sync cables. The terminal features universal polarity, and its screw - type design ensures reliable connection.
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