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Old 11-21-07, 09:47 AM   #1
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Can anybody explain what is going on?

Why am i getting these green glares?!?!

I think my aperture was at 1.8, but its the first time i shoot in these conditions. It could be normal...





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Old 11-21-07, 09:49 AM   #2
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Those are lights from Christmas past. They never really left.
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Please dont outsmart the censor. That is a very expensive censor and every time one of you guys outsmart it it makes someone at the home office feel bad. We dont wanna do that. So dont cleverly disguise bad words.
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Old 11-21-07, 09:49 AM   #3
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You got a photo of the fairies.
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Old 11-21-07, 09:56 AM   #4
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Spherical aberrations.... they are caused by the light 'bouncing around' inside your lens.
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Old 11-21-07, 09:57 AM   #5
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you needs a filter....perhaps a polarizing filter.
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Old 11-21-07, 09:58 AM   #6
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Oh noes, not a polarizing filter!?!?!
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Old 11-21-07, 09:58 AM   #7
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Oh noes, not a polarizing filter!?!?!
well...whats kind a filters would be best? I aint not photobug.
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Old 11-21-07, 09:59 AM   #8
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Then they would be COLD fairy lights from Christmas past.
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Old 11-21-07, 10:01 AM   #9
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well...whats kind a filters would be best? I aint not photobug.
I'm bein silly. A polarizer would be the ticket, or stop down a bit and go for a longer exposure. You can do neat things with reciprocity failure.
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Old 11-21-07, 10:04 AM   #10
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I have a skylight filter on it, i think its for warmer tones, and uv blocking.

Im using the 50mm nikkor btw.
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Old 11-21-07, 10:16 AM   #11
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Then they would be COLD fairy lights from Christmas past.
And add in a few of these too ...

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Old 11-21-07, 10:18 AM   #12
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If you look closely, you'll see that all reflections can be matched up with a light source diametrically opposed to it.

I took the liberty of adding purple lines to your image, to pair up reflections and light sources. As you see, they all go through a single point in the middle of the image. That point is the optical axis of your lens.


The reflections are caused by poor anti-reflection coating on the lens and/or filter. Light enters through the filter, is reflected off the front surface of the lens, then reflects off the rear surface of the filter, and into the lens where it then hits your sensor/film. Remove the filter, and the problem disappears. Or, get a good filter. Only in extreme situations do I get even a faint "ghost" with my lenses and filters.
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Old 11-21-07, 10:25 AM   #13
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Oh, never noticed that, and probably never would have.

I will try with out the filter later on.

Thanks for the explanation.
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Old 11-21-07, 10:28 AM   #14
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Oh, never noticed that, and probably never would have.

I will try with out the filter later on.

Thanks for the explanation.
Yeah. That was pretty good.
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Old 11-21-07, 10:31 AM   #15
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Well there goes MY theory. Pfft.

Smart people really shouldn't be on Foo.
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Old 11-21-07, 10:32 AM   #16
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Quote:
Originally Posted by CdCf View Post
If you look closely, you'll see that all reflections can be matched up with a light source diametrically opposed to it.

I took the liberty of adding purple lines to your image, to pair up reflections and light sources. As you see, they all go through a single point in the middle of the image. That point is the optical axis of your lens.


The reflections are caused by poor anti-reflection coating on the lens and/or filter. Light enters through the filter, is reflected off the front surface of the lens, then reflects off the rear surface of the filter, and into the lens where it then hits your sensor/film. Remove the filter, and the problem disappears. Or, get a good filter. Only in extreme situations do I get even a faint "ghost" with my lenses and filters.


No, no, no, no. That is the vortex through which the fairies come and go.
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Old 11-21-07, 10:40 AM   #17
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plus one on the polarizing filter.

I read you shot that with a skylight filter?

take it off. try again. but i am still going to push the poloarizing filter, they make a world of difference
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Old 11-21-07, 10:56 AM   #18
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Without the filter:

Much better.
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Old 11-21-07, 11:08 AM   #19
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Dammit. You killed the green fairies from Christmas past. Bad bad bad. *shakes finger at you*
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Old 11-21-07, 12:43 PM   #20
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the filter wasnt glare protected then and you were getting a reflection between the filter and the lens surface
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Old 11-21-07, 01:05 PM   #21
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There goes Christmas. Way to go.
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Old 11-21-07, 01:37 PM   #22
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Get a star filter. That'll look great with the lights!
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Old 11-21-07, 01:38 PM   #23
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Get some acid, the lights will look even better!
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Old 11-21-07, 01:45 PM   #24
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It is probable due to the cheap lens coating on your cameras lens.
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Old 11-21-07, 01:52 PM   #25
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Its strange since its an out door daytime, bluesky filter. The lens is fine, its the filter that is causing the flare thing. And maybe... Its the cheapest lens nikon makes. And its the pre 02 one i think.
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