Sony DCR-TRV50 - Manual (Page 132)

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Shooting with an auxiliary light – HOLOGRAM AF
The HOLOGRAM AF is an auxiliary light source used for focusing on subjects in dark
places.
Set HOLOGRAM F in
to AUTO in the menu settings. (The default setting is AUTO.)
When appears on the screen in a dark place, press PHOTO lightly. Then the
auxiliary light will automatically emit until the subject is focused.
About HOLOGRAM AF
“HOLOGRAM AF (Auto-Focus),” an application of laser holograms, is a new AF
optical system that enables still image shooting in dark places. Having gentler radiation
than conventional high-brightness LEDs or lamps, the system satisfies Laser Class 1 (*)
specification and thus maintains higher safety for human eyes.
No safety problems will be caused by directly looking into the HOLOGRAM AF emitter
at a close range. However, it is not recommended to do so, because you may experience
such effects like several minutes of image residual and dazzling, that you encounter
after looking into a flashlight.
* HOLOGRAM AF satisfies Class 1(time base 30 000 seconds), specified in all of JIS
(Japan), IEC(EU), and FDA(US) industry standards.
Complying with these standards identifies the laser product to be safe, under a
condition that a human looks at the laser light either directly or even through a lens
for 30 000 seconds.
Recording still images on “Memory Stick”s
– Memory Photo recording
HOLOGRAM AF emitter