Focusing light no longer works on my D80..

Started Apr 19, 2011 | Discussions
Gilbert_Grape New Member • Posts: 8
Focusing light no longer works on my D80..

What am I doing wrong?

Thanks.

Chroko Forum Member • Posts: 77
Re: Focusing light no longer works on my D80..

Make sure you haven't disabled "AF assist" in the menu: look at option 04 in the custom settings.

I think the lamp also only illuminates if you're using the center focus point - and it won't illuminate in program modes that don't make any sense (like landscape.)

(And remember the light won't illuminate if there is sufficient contrast in a scene to determine focus without it.)

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OP Gilbert_Grape New Member • Posts: 8
Re: Focusing light no longer works on my D80..

I just went outside, it's dark here, AF assist is on but it doesn't light up. I've been doing some 'light painting', and thought I might have deactivated it in the dark somehow, but it's showing AF assist is on.

Any chance I've 'hurt' the camera doing 30 second shutter speeds?

webmonkeydk
webmonkeydk Regular Member • Posts: 489
Re: Focusing light no longer works on my D80..

On my D70s the AF assist light in only on in AF-S mode, not AF-C mode...
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OP Gilbert_Grape New Member • Posts: 8
Re: Focusing light no longer works on my D80..

Tried that...nothing.

ZorSy Veteran Member • Posts: 3,486
Re: Focusing light no longer works on my D80..

The first step is to check the light itself - as it is used in self-timer mode, toggle to get self timer symbol on the top LCD, press shutter and it should blink (either 2 or 10 seconds, every second). If that works OK, go in the menu and set it to ON, cover the lens and half-press shutter button. Listen for lens trying to focus (during this time the AF assist should be on. If not, bugger me if I know....

edit: if you were using external flash (SB600 etc) which has its own AF assist, it would be worth resetting the camera to factory default (reset button) as it may still "think" it uses external AF...

Gilbert_Grape wrote:

Tried that...nothing.

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OP Gilbert_Grape New Member • Posts: 8
Re: Focusing light no longer works on my D80..

Thankyou, the timer activated the light

But it doesn't seem to activate when I want it to focus in the dark. AF assist is on, so not sure what's happening there.

Snapshott Senior Member • Posts: 2,302
Re: Focusing light no longer works on my D80..

Have you tried a different lens? I believe it is automatically turned off for certain lenses. I don't believe my light will come on with my 80-200 af-s lens.
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OP Gilbert_Grape New Member • Posts: 8
Re: Focusing light no longer works on my D80..

Up until a few hours ago, the light was working on S mode doing 30 second shutter speed. Using an 18-135 with a polarizer.

I've just tried it again on Auto and the light comes on. But not in S mode. :/

I must be doing something wrong somewhere.

OP Gilbert_Grape New Member • Posts: 8
Re: Focusing light no longer works on my D80..

Update: I did a reset, and things are back to normal.

Thankyou to those who offered advice.

ZorSy Veteran Member • Posts: 3,486
Re: Focusing light no longer works on my D80..

Just a question - did you use external flash ever? I know on my D80 the AF won't lit unles I reset the camera after using SB600 (hence last minute edit) but was thinking it was only my camera. This could help some other people claiming their later models experience the same AF assist glitch.

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OP Gilbert_Grape New Member • Posts: 8
Re: Focusing light no longer works on my D80..

No flash at all, was shooting pics in the dark.

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