164SQW0550Adjusting the focus and brightness (exposure)Taking pictures with Auto FocusTurning on/off the AF Assist Lamp→ [Custom] → [AF Assist Lamp] → [ON] / [OFF]Illuminates the AF Assist Lamp when the shutter button is pressed halfway when it is toodark to facilitate focusing. (A large AF area is displayed based on recording conditions.)● The AF Assist Lamp has an effective distance of 1.5 m (4.9 feet).●AF Assist Lamp is effective for a subject at the centre of the screen.●If you do not want to illuminate the AF Assist Lamp when you take a picture in a darklocation (e.g. taking a picture of an animal in the dark), set this function to [OFF]. Whenthe AF Assist Lamp is set to [OFF], sharper focusing will become difficult.●The setting is fixed to [OFF] in the following cases:• [Distinct Scenery], [Bright Blue Sky], [Romantic Sunset Glow], [Vivid Sunset Glow],[Glistening Water], [Clear Nightscape], [Cool Night Sky], [Warm Glowing Nightscape],[Artistic Nightscape], [Handheld Night Shot] (Scene Guide Mode)• When [Silent Mode] is set to [ON]Enabling/disabling recording when a subject is out of focus→ [Custom] → [Focus/Release Priority][FOCUS]: Recording is disabled unless the focusing is performed properly.[RELEASE]: Recording is performed when you fully press the shutter button toplace priority on the shutter release timing that helps to avoid missedopportunities.Enabling/disabling manual focus adjustment after AF→ [Custom] → [AF+MF] → [ON] / [OFF]TZ100/TZ101You can manually perform fine focusing during AF Lock (pressing the shutter buttonhalfway when [AFS/AFF/AFC] in [Rec] menu is set to [AFS] or setting AF Lock using the[AF/AE LOCK] button).TZ80/TZ81You can manually perform fine focusing during AF Lock (pressing the shutter buttonhalfway when [AFS/AFF/AFC] in [Rec] menu is set to [AFS]).