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07-04-2011, 08:26 AM   #1
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Da40 f2.8

I got a new DA40. but I don't know how to use at night or dark environment.

any advice?

07-04-2011, 08:42 AM   #2
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What exactly is your problem?
07-04-2011, 08:52 AM   #3
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QuoteOriginally posted by Mr. B Quote
What exactly is your problem?
the Pic is too dark and out of focus
07-04-2011, 08:54 AM   #4
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07-04-2011, 09:06 AM   #5
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What shutter speeds are you shooting at? I assume that you're shooting wide open (f2.8), and you've increased your ISO; which camera are you using? Photography still requires some light, though

If you're having problems focusing in the dark, maybe you need an autofocus lamp or a flash (which would allow you use a higher f number and get more in focus)?

Are your subjects moving? Is SR on?
07-04-2011, 09:12 AM   #6
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QuoteOriginally posted by alphanerd Quote
What shutter speeds are you shooting at? I assume that you're shooting wide open (f2.8), and you've increased your ISO; which camera are you using? Photography still requires some light, though

If you're having problems focusing in the dark, maybe you need an autofocus lamp or a flash (which would allow you use a higher f number and get more in focus)?

Are your subjects moving? Is SR on?
I am new Kr user.

try to attach a photo.but failed, how to attached the photo?
07-04-2011, 10:14 AM   #7
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Just upload the picture here and copy the [IMG] tags you get later from the website to the forum.

ImageShack® - Online Photo and Video Hosting
07-04-2011, 02:21 PM   #8
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wrong section.

07-04-2011, 07:21 PM   #9
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um... you should do a search on google or something and learn how to utilize the dSLR body for dim-light situation (higher ISO, tripod, etc.)

the 40mm f2.8 is a pretty fast lens, but it is not intended for low light shooting. For that, you should try getting a lens with an aperture of f2 or lower.
07-04-2011, 07:55 PM   #10
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QuoteOriginally posted by Eagle_Friends Quote
the 40mm f2.8 is a pretty fast lens, but it is not intended for low light shooting. For that, you should try getting a lens with an aperture of f2 or lower.
For his usage, I doubt a fast lens with slow AF would make matters better.

Put the camera in "M" mode.

Put the ISO up to the maximum value and shoot some photos.

Set the aperture to 2.8.

Press the green button.

Shoot a photo.

If the photo is still black, you are simply in too dim light. You should invest in a flash.

Pr
07-04-2011, 09:07 PM   #11
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QuoteOriginally posted by paperbag846 Quote
For his usage, I doubt a fast lens with slow AF would make matters better.
er... it would allow more lights in, so it would help? is he talking about astronomy photographs, or did i miss that part?

i assumed that he was referring to typical day to day night shots like in a street or in a dimly lit restaurant or bar. If that's the cause, then something with a faster f-stop would definitely help.
07-04-2011, 09:52 PM   #12
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QuoteOriginally posted by Eagle_Friends Quote
i assumed that he was referring to typical day to day night shots like in a street or in a dimly lit restaurant or bar. If that's the cause, then something with a faster f-stop would definitely help.
In that case, yes, but lets be sure that its not just a setting issue and he would be fine with the 2.8 (i.e., not investing in faster glass).

Besides, DSLRs just artificially bump the iso with ultra fast glass anyways due to the limitations of sensors. Aperture is really more about low DOF, not light gathering, below about f2.4.

This is the reason that "M" glass underexposes at wide apertures.
07-04-2011, 10:02 PM   #13
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Hi all

tks for your suggestion. will try tonight.
07-04-2011, 10:12 PM   #14
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QuoteOriginally posted by Eagle_Friends Quote
i assumed that he was referring to typical day to day night shots like in a street or in a dimly lit restaurant or bar. If that's the cause, then something with a faster f-stop would definitely help.
Somewhat, but you pay for that help in reduced DOF. I personally find f/2.8 the sweet spot.
07-05-2011, 03:40 AM   #15
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Either bump your iso up a lot (should be able to get to iso 3200) or use flash. I agree with Marc that in few situations going wider than f2.8 makes your photos sharper, because while your shutter speed will get faster, your photo often looks softer due to narrow depth of field.
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