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N5100 with Nikkor Af-s 50mm 1.8

RadFly

US
2 posts

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RadFly Registered since 03rd Jul 2012
Tue 03-Jul-12 12:59 AM

Proud owner of N5100 for two months, just received Nikkor 50mm af-s 1.8. Experimented in green Auto mode, but camera insists on popping flash on some images even in full sun... why does my unit not understand it has a 1.8 f lens to work with?

AP mode works well, would like full green auto to work as well...

Thanks.

aolander

Nevis, US
3496 posts

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#1. "RE: N5100 with Nikkor Af-s 50mm 1.8" | In response to Reply # 0

aolander Silver Member Nikonian since 15th Sep 2006
Tue 03-Jul-12 03:11 AM

If the camera thinks there maybe a back light situation or that you may need fill flash in bright light, it will pop up the flash. There's no reason to use "auto" if you're comfortable with AP, etc.

Alan

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Visit my Nikonians gallery.

MEMcD

US
27854 posts

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#2. "RE: N5100 with Nikkor Af-s 50mm 1.8" | In response to Reply # 0

MEMcD Moderator In depth knowledge in various areas Nikonian since 24th Dec 2007
Tue 03-Jul-12 03:25 AM

Hi Joe,

Welcome to Nikonians!
Congratulations on your new D5100.

>Experimented in green Auto mode, but camera
>insists on popping flash on some images even in full sun...
>why does my unit not understand it has a 1.8 f lens to work
>with?

In Auto mode, the camera maintains complete control of exposure and when the flash pops up, for some reason the camera thinks fill flash is required. To prevent the built in Speedlight from poping up, set the mode selector to flash off mode. You can also try using Program (P) mode where the built-in Speedlight will only pop up when you turn it on by pressing the flash button on the front side of the camera.

BTW:

We always encourage our members to fill in their real first and last names, and have made that issue a part of our Terms of Use.

The intent is to foster a community of "real people" instead of
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Thanks in advance.

Good Luck and Enjoy your Nikons!

Best Regards,
Marty

Leonard62

Hatboro, Pa, US
3755 posts

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#3. "RE: N5100 with Nikkor Af-s 50mm 1.8" | In response to Reply # 0

Leonard62 Gold Member Awarded for excellent contributions and sharing his in-depth knowledge and experience with the community, especially of Nikkor Lenses Writer Ribbon awarded for his contributions to the Nikonians Resources articles library Nikonian since 15th Mar 2009
Tue 03-Jul-12 02:27 PM

The D5100 is a wonderful camera. It knows you have a f1.8 lens mounted. But it doesn't know what you want to do with it when you're in Auto mode. So it makes a choice to try and give you a photo that's in focus and has the proper exposure. So it chooses a lens aperture that gives good depth of field and even pops open the flash if it thinks the light won't give you a shake free photo. It doesn't know you might want to use f1.8 to isolate the subject. This is what the A mode is for. If you want total control of the camera you don't want to use the green AUTO mode.

Len

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RadFly

US
2 posts

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#4. "RE: N5100 with Nikkor Af-s 50mm 1.8" | In response to Reply # 3

RadFly Registered since 03rd Jul 2012
Wed 04-Jul-12 12:28 AM | edited Wed 04-Jul-12 12:28 AM by RadFly

Thank you for the replys... I am having a good time with the lens in AP and SP modes, so I suppose my full auto mode will have to wait until the next time I feel lazy....

Jonty89

AU
2 posts

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#5. "RE: N5100 with Nikkor Af-s 50mm 1.8" | In response to Reply # 4

Jonty89 Registered since 27th Jun 2012
Wed 18-Jul-12 05:38 AM

The times I tend to use Auto mode I just automatically now flick the Flash over to off. It becomes second nature eventually. Now I don't mind switching between Manual and Auto so much.

MEMcD

US
27854 posts

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#6. "RE: N5100 with Nikkor Af-s 50mm 1.8" | In response to Reply # 4

MEMcD Moderator In depth knowledge in various areas Nikonian since 24th Dec 2007
Wed 18-Jul-12 07:33 PM

Hi Joe,

Thanks for filling in your name.
Good Luck and Enjoy your Nikons!

Best Regards,
Marty

dr_spear

QA
1 posts

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#7. "RE: N5100 with Nikkor Af-s 50mm 1.8" | In response to Reply # 6

dr_spear Registered since 22nd Jul 2012
Tue 24-Jul-12 03:03 AM | edited Tue 24-Jul-12 03:05 AM by dr_spear

well, to be honest your problem goes beyond what you,ve described ,
I had the same issue with my D5100 and I'm still struggling to know if this is just a camera's "point of view" issue or it's a real technical fault
what i found out is that the camera is actually saying there is not enough light within the frame so i'm turning on the flash, which kinda weird coz to me it looked like there is pretty much enough light out there !!
even when you disable the flash or use another shooting mode like AP or SP....etc , if u notice the live view monitor u will see a question mark "blinking" before u press the shutter , press the zoom out button next to the live view and an explanation of the blinking question mark will pop on the live view saying that lighting is poor and using flash is recommended
for me i had this message whenever i included a dark object inside my frame regardless of the brightness of the rest of the scene
i had it with both kit lens and the 55mm 1.8G lens
obviously there's something going on with the metering system and i don't know if you should overlook this issue or take it seriously and have it checked up by the dealer, for me i got it oline from another country so there is no warranty , and when asked Nikon online about this they didn't seem to have an idea what I was talking about
after all, the image quality is not affected by what the camera is saying
I do get nice images with good exposures eventually

G