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originally posted by: ConfusedBrit
Excellent, rather unique thread with essential information to help in our never-ending goal to separate the wheat from the chaff in the weird, wonderful, wacky world of Woo and UFOs.
originally posted by: ConfusedBrit
The image you posted as an example is particularly cute - I'd love a lampshade like that.
originally posted by: karl 12
originally posted by: ConfusedBrit
Excellent, rather unique thread with essential information to help in our never-ending goal to separate the wheat from the chaff in the weird, wonderful, wacky world of Woo and UFOs.
Perfectly put - another great thread Xwinds
Always wondered about intricate lens flare on this live video:
Cheers
Yes, I've seen more that are blue-green than pink but I don't think there's a set color, depends on hardware and conditions, light sources, etc.
originally posted by: Blue Shift
I wouldn't say that most lens flares are pink. I think it depends on the camera and the color of the light source. A lot of the obvious lens flares on the MUFON site are blue or blue green blobs.
Lens flares can make very convincing UFOs. Fortunately, they are easy to identify as both the light source and its reflected image are usually located on a line that crosses the centre of the photograph and at equal distances from that centre (how lens flares can be identified is illustrated in some of our case examples).
originally posted by: elevenaugust
originally posted by: CIAGypsy
But until I see detailed explanation to explain HOW it happened, then it's just a hypothesis...no matter who offers it up. At least that's how I roll....
Here you go:
Extracted from "analysis methodology" here
If we apply this to your photo, it's evident that this is a lens flare with picture’s optical center matches its geometrical center:
originally posted by: elevenaugust
reply to post by againuntodust
Yes, it's a lens flare.
One simple way to detect such flare anomalies is to draw two diagonal lines to determine the center of the photo, the flare is generally located at the opposite side of its source, through the central point, also called point reflection (or inversion through a point, or central inversion).
Similar samples:
There's already an atmospheric phenomena thread so you can add to that one, I thought it was a "sticky" thread that always shows up in the list of UFO threads but it doesn't seem to anymore or I'm missing it:
originally posted by: Macenroe82
I should make a thread showing all the sorts of natural phenomenon and interesting lens flare/ IFO stuff we get.
Correct, the diamond shape results from the aperture on an out of focus object, so it's a different camera artifact, not lens flare.
originally posted by: Soylent Green Is People
I don't think those are lens flare per se in that Space Shuttle breaking up video (at the :11 mark and the :27 mark). I think the shape has something to do with the shape of the video camera aperture, similar to how an out-of-focus Venus/bright star can look diamond-shaped.
I realize this doesn't match that exactly, since the diamond shape looks split and one half is markedly brighter. However, I bet it is associated with the shape of the aperture just like the Venus/star videos.
It's a general rule that applies in many cases like the examples cited in my post. However, it's not completely impossible to get a lens flare if the source is outside the image. It's possible in some cases that light can enter the lens from a wider angle than the recorded image encompasses, and bounce around a bit among multiple elements in more complicated lenses, but the symmetry about the optical center is far more common.
originally posted by: Crosswinds
I never knew the rule about the lens flares and the optical center of the image, but it makes complete sense. That's a great thing to look for and check in any UFO-on-film. I'll be sure to use it and pass it along.
So, it can get a little more complicated than that simple rule about the optical center, but still, that does apply to many lens flare cases.
A hood won't have any effect if you are shooting into the sun, where the sun appears in the image. But it does prevent flare when the sun (or any light source) is outside the frame, where light would be hitting the front of the lens at an angle. The hood protects the lens by blocking light from more oblique angles, so it can't enter the lens and create flare.
Can you believe I searched "caution UFO videographers" without the quotes, which is very close to the title, and it didn't show up on youtube search anymore? They have really hosed their search function, because that used to work. Fortunately, I had the link saved, since I couldn't find it with search, and yes it's well worth a watch.
Also, that caution video is also real eye opener. Definitely worth the watch.
A little bit of flares can be artistic, but JJ Abrams way over did that in the Star trek movie, he even apologized for it:
originally posted by: fromtheskydown
I am not an expert on photography and lenses etc but have done lots of photography work over the last decade. I am one of those who flout the laws and point at the Sun, deliberately to cause lens flares and spikes and rings. I have used a polarising filter and a lens hood but prefer to go 'commando'.
I do think lens flare can be attractive and artistic, as used by director JJ Abrams...or those nutty Nibiru protagonists who like to show us how there two suns in the sky.
Nice topic and a refreshing change.
So yes, a little is artistic, just don't go nuts like Abrams did.
The director tells Crave that he showed his wife an early cut of Star Trek Into Darkness, "and there was this one scene where she was literally like, 'I just can't see what's going on. I don't understand what that is.' I was like, 'Yeah, I went too nuts on this.'"
"This is how stupid it was," Abrams said. "But I think admitting you're an addict is the first step towards recovery."
I found an interesting lens flare example, from the BBC TV show "Planet Earth" from around 2003:
originally posted by: Crosswinds
a reply to: Arbitrageur
Interesting example. You can clearly see each of the bounced flares, and they're purple and green as opposed to the pink ones.