8 replies to this topic

[LucyBev]

 Neon strobe small.jpg   130.37K   22 downloads

Taken with an iphone 11 Can anyone help with an explanation as to what the neon blue linear line is on the left? The candles have been reflected but I can think of no reason for it ? the blue colour seems to light up the whole area (incidentally this was taken during a power cut in a haunted castle)

[KlaineyGStudy]

Hello and welcome to the boards We have a few photo savvy members I am sure they will be along shortly

[LucyBev]

Thank you ...I also have a photo taken seconds before which shows nothing but the candle reflections and no blurry image on the wall behind the neon light.

[EVP]

Unfortunately, there are shortcomings when uploading any image onto Paranormal Soup. All EXIF data is stripped making it difficult to ascertain details on shutter speed, ISO, aperture and other settings.

What I can tell you is you have mixed color temperatures in light produced from the tube and the candle light ranging from blue from the neon above 6000 degrees Kelvin and 2000 degrees Kelvin produced by the illumination of the candle flame.

Our eyes adjust to mixed lighting much better than cameras. The majority of dedicated cameras have the ability to adjust color temperature for color accuracy.

In my portrait studio I have lights that only fluctuate 100K between shots. I still use a ColorChecker Passport to ensure skin tone accuracy.



Here's another great example of mixed lighting. The outdoor light filtering through the entrance and the artificial light illuminating the passageway produce two different color ranges. There are no adjustments made in camera here. Our eyes will not see it the same way a camera does.



Another significant attribute to this image is chromatic aberration, also known as color fringing a very common optical problem. It becomes noticeable because lens dispersion of different wavelengths travelling at different speeds through a lens. Images can look blurred or have noticeable colored edges (red, yellow, blue purple, green or magenta) especially in HIGH-CONTRAST situations. The corners of the lens are normally the most affected.

The image taken before that demonstrate characteristics differently isn’t uncommon. You would have to tripod mount your iPhone to ensure positioning on all axis were duplicated.

Thanks for sharing.

Edited by EVP, 10 March 2020 - 10:04 AM.

[MacCionoadha BeanSidhe]

EVP, I don't know if any of this helps, I can get only limited EXIF data (date and time was from my loading it to the software.

Raw Image Metadata (exif)
File Size    130 kB
File Inode Change Date/Time    2020:03:10 12:16:59-07:00
File Type    JPEG
MIME Type    image/jpeg
JFIF Version    1.01
Resolution Unit    None
X Resolution    1
Y Resolution    1
Comment    CREATOR: gd-jpeg v1.0 (using IJG JPEG v62), quality = 75.
Image Width    1200
Image Height    1411
Encoding Process    Baseline DCT, Huffman coding
Bits Per Sample    8
Color Components    3
Y Cb Cr Sub Sampling    YCbCr4:2:0 (2 2)
Image Size    1200x1411

[EVP]

Thanks MAC, no, that's the result of stripped data. Essentially all that is left is the pixel dimensions in length & width, date/time modification and jpg compression. The remaining data when stripped will give you the same basic parameters you see here. Fully intact EXIF data requires mouse scrolling

Edited by EVP, 10 March 2020 - 11:43 AM.

[siguie]

Very cool LucyBev you have a great example of "ghosting" Except it's not a spirit type ghost and is actually a type of lens flare

The four floaty  lights are the 4 candles BUT they are switched {reflected} horizontally so the two candles on the left are the two lights on the right and the two candles on the right are the two floaters on the left.

There also seems to be a bright light source to the left out of scene as well but the floaters look Amazing

Oh and

[kevinscan]

The blue light seems to be in the room at the time of taking the photo,  the dog is looking at it, you can see the blue on the back of the sofa, on the water heater at the right back, the corner of the coffee table, and the reflection of it in the wine glass.
My thoughts are it was a torch someone was holding and being a slow exposure only the torch came out not the persons hand, like a light drawing.

Edited by kevinscan, 11 March 2020 - 02:45 AM.

[Vlawde]

Dang, all good replies! There no context in the OP, just the photo but it's obvious the candles are being reflected, the source of the blue light looks to be out of frame to the left, but it does looks a little bit of motion blur of it. It does cast a blue light elsewhere in the photo