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Is there an easy way to stop this light scatter ghosting in all my photos & videos of engine valves?

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  Is there an easy way to stop this light scatter ghosting in all my photos & videos of engine valves? Arthur Wood <arthurwood@bimmerfest.com> - 2017-12-14 16:48 +0000
    Re: Is there an easy way to stop this light scatter ghosting in all my photos & videos of engine valves? Paul <nospam@needed.invalid> - 2017-12-14 11:54 -0500
      Re: Is there an easy way to stop this light scatter ghosting in all my photos & videos of engine valves? Savageduck <savageduck1@{REMOVESPAM}me.com> - 2017-12-14 09:13 -0800
    Re: Is there an easy way to stop this light scatter ghosting in all my photos & videos of engine valves? Savageduck <savageduck1@{REMOVESPAM}me.com> - 2017-12-14 09:08 -0800
      Re: Is there an easy way to stop this light scatter ghosting in all my photos & videos of engine valves? nospam <nospam@nospam.invalid> - 2017-12-14 12:26 -0500
        Re: Is there an easy way to stop this light scatter ghosting in all my photos & videos of engine valves? Savageduck <savageduck1@{REMOVESPAM}me.com> - 2017-12-14 09:49 -0800
          Re: Is there an easy way to stop this light scatter ghosting in all my photos & videos of engine valves? nospam <nospam@nospam.invalid> - 2017-12-14 12:59 -0500
          Re: Is there an easy way to stop this light scatter ghosting in all my photos & videos of engine valves? PeterN <"peter,newdelete"@deleteverizon.net> - 2017-12-14 22:49 -0500
            Re: Is there an easy way to stop this light scatter ghosting in all my photos & videos of engine valves? Arthur Wood <arthurwood@bimmerfest.com> - 2017-12-15 06:18 +0000
              Re: Is there an easy way to stop this light scatter ghosting in all my photos & videos of engine valves? Ken Hart <kwhart1@frontier.com> - 2017-12-15 14:25 -0500
              Re: Is there an easy way to stop this light scatter ghosting in all my photos & videos of engine valves? PeterN <"peter,newdelete"@deleteverizon.net> - 2017-12-15 23:14 -0500
    Re: Is there an easy way to stop this light scatter ghosting in all my photos & videos of engine valves? Eric Stevens <eric.stevens@sum.co.nz> - 2017-12-15 11:24 +1300
      Re: Is there an easy way to stop this light scatter ghosting in all my photos & videos of engine valves? Arthur Wood <arthurwood@bimmerfest.com> - 2017-12-15 06:23 +0000
        Re: Is there an easy way to stop this light scatter ghosting in all my photos & videos of engine valves? Eric Stevens <eric.stevens@sum.co.nz> - 2017-12-15 21:56 +1300
          Re: Is there an easy way to stop this light scatter ghosting in all my photos & videos of engine valves? Arthur Wood <arthurwood@bimmerfest.com> - 2017-12-15 14:49 +0000
            Re: Is there an easy way to stop this light scatter ghosting in all my photos & videos of engine valves? nospam <nospam@nospam.invalid> - 2017-12-15 10:39 -0500
              Re: Is there an easy way to stop this light scatter ghosting in all my photos & videos of engine valves? Arthur Wood <arthurwood@bimmerfest.com> - 2017-12-15 18:33 +0000
          Re: Is there an easy way to stop this light scatter ghosting in all my photos & videos of engine valves? PeterN <"peter,newdelete"@deleteverizon.net> - 2017-12-15 23:23 -0500
        Re: Is there an easy way to stop this light scatter ghosting in all my photos & videos of engine valves? Jeff <j@donotspam.me> - 2017-12-15 17:24 +0000
          Re: Is there an easy way to stop this light scatter ghosting in all my photos & videos of engine valves? Arthur Wood <arthurwood@bimmerfest.com> - 2017-12-15 18:32 +0000
            Re: Is there an easy way to stop this light scatter ghosting in all my photos & videos of engine valves? "Carlos E.R." <robin_listas@es.invalid> - 2017-12-15 19:51 +0100
            Re: Is there an easy way to stop this light scatter ghosting in all my photos & videos of engine valves? Eric Stevens <eric.stevens@sum.co.nz> - 2017-12-16 18:44 +1300
              Re: Is there an easy way to stop this light scatter ghosting in all my photos & videos of engine valves? "Carlos E.R." <robin_listas@es.invalid> - 2017-12-16 14:17 +0100
                Re: Is there an easy way to stop this light scatter ghosting in all my photos & videos of engine valves? nospam <nospam@nospam.invalid> - 2017-12-16 09:50 -0500
        Re: Is there an easy way to stop this light scatter ghosting in all my photos & videos of engine valves? PeterN <"peter,newdelete"@deleteverizon.net> - 2017-12-15 23:20 -0500
    Re: Is there an easy way to stop this light scatter ghosting in all my photos & videos of engine valves? Alan Browne <bitbucket@blackhole.com> - 2017-12-16 18:21 -0500

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#213170

On 2017-12-15 19:32, Arthur Wood wrote:
> Jeff wrote:
> 
>> The "physics" are because the smudge on the lens is at a 45 degree angle.
> 
> It's not a smudge. I don't know what it is, but it's not a smudge.
> I wiped the lens because that's the first thing I had thought also.
> 
> Anyways, it doesn't happen on pictures that don't have that lighting
> situation, even at the same time.
> 
> There's something about the lighting combined with the way cameras work.

Try another camera.

-- 
Cheers, Carlos.

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#213184

On Fri, 15 Dec 2017 18:32:33 -0000 (UTC), Arthur Wood
<arthurwood@bimmerfest.com> wrote:

>Jeff wrote:
>
>> The "physics" are because the smudge on the lens is at a 45 degree angle.
>
>It's not a smudge. I don't know what it is, but it's not a smudge.
>I wiped the lens because that's the first thing I had thought also.
>
>Anyways, it doesn't happen on pictures that don't have that lighting
>situation, even at the same time.
>
>There's something about the lighting combined with the way cameras work.
>
>This is the light fixture that I use as my mobile shop light. 
>https://www.turboimagehost.com/p/36864695/light1.jpg.html

"Image light1.jpg don`t exist on our server!" - which I find
frustrating as I don't know what everyone else is talking about.
>
>I bought it at a yard sale where it was claimed to be a photography light.
>Is that a typical photography light?
>
>Currently it has a curly bulb inside a floodlight fixture (PR-something).
>What bulb do you normally put in those photography lights?
-- 

Regards,

Eric Stevens

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#213185

On 2017-12-16 06:44, Eric Stevens wrote:
> On Fri, 15 Dec 2017 18:32:33 -0000 (UTC), Arthur Wood
> <arthurwood@bimmerfest.com> wrote:



>> This is the light fixture that I use as my mobile shop light. 
>> https://www.turboimagehost.com/p/36864695/light1.jpg.html
> 
> "Image light1.jpg don`t exist on our server!" - which I find
> frustrating as I don't know what everyone else is talking about.

Works fine here, but it is light1.jpg.html. Just a lamp.

-- 
Cheers, Carlos.

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#213186

In article <10jfge-c8t.ln1@Telcontar.valinor>, Carlos E.R.
<robin_listas@es.invalid> wrote:

> >> This is the light fixture that I use as my mobile shop light. 
> >> https://www.turboimagehost.com/p/36864695/light1.jpg.html
> > 
> > "Image light1.jpg don`t exist on our server!" - which I find
> > frustrating as I don't know what everyone else is talking about.
> 
> Works fine here, but it is light1.jpg.html. Just a lamp.

it does now, but it didn't last night when he got the error.

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#213180

On 12/15/2017 1:23 AM, Arthur Wood wrote:
> Eric Stevens wrote:
> 
>> I think you mean cams rather than valves.
>>
>> It looks to me as though the highlighted parts give rise to a strak of
>> light at an angle to the frame of the image. In some of the shots
>> (e.g. bay 10) streaks can be seen emenating from highlights other than
>> the cams. I suspect the problem may be due to a smear on the camera
>> lens. I suggest you try it with another camera.
> 
> You are correct in noticing that all the streaks of light are at the same
> 45 degree angle no matter how the camera is held.
> 
> That's why I think it may be some "physics" principle involved.
> 


Yep. See my answer above, and the formula at
<https://en.wikipedia.org/wiki/Point_source>.






> There are many other photos taken with the same camera but under daylight
> lighting where these streaks do not happen so it's not the camera.
> 
> Some of those photos are here.
> http://www.bimmerfest.com/forums/showthread.php?t=1181089
> 
> And here:
> http://www.bimmerfest.com/forums/showthread.php?t=1181289
> 
> So it's not the camera or the lens except under those lighting conditions.
> 
> I was assuming there is something weird in the physics of the lighting that
> causes those sleet like streaks always at 45 degree angles and far from
> being a mere reflection.
> 


-- 
PeterN

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#213188

On 2017-12-14 11:48, Arthur Wood wrote:
> Is there an easy way to stop this light scatter sparkling in all my photos
> & videos of engine valves. What specifically is causing all the ghosting
> and sparkling?
> 
> I'm using just a shop light and a mobile phone to video (without flash) and
> photograph (with and without flash) an engine problem where all the photos
> have this shiny glare no matter what angle I put the light or phone with
> respect to the valves - and whether or not I use flash.
> 
> https://www.turboimagehost.com/p/36857792/engine_bay1.jpg.html
> https://www.turboimagehost.com/p/36857793/engine_bay2.jpg.html
> https://www.turboimagehost.com/p/36857794/engine_bay3.jpg.html
> https://www.turboimagehost.com/p/36857795/engine_bay4.jpg.html
> https://www.turboimagehost.com/p/36857796/engine_bay5.jpg.html
> https://www.turboimagehost.com/p/36857797/engine_bay6.jpg.html
> https://www.turboimagehost.com/p/36857798/engine_bay7.jpg.html
> https://www.turboimagehost.com/p/36857799/engine_bay8.jpg.html
> https://www.turboimagehost.com/p/36857800/engine_bay9.jpg.html
> https://www.turboimagehost.com/p/36857801/engine_bay10.jpg.html
> 
> The original thread is here, where it also contains video with the same
> problem, but the photos above show the problem enough.
> <http://www.bimmerfest.com/forums/showthread.php?t=1181089>
> 
> Is there an easy way to stop this light scatter ghosting in all my photos &
> videos of engine valves.

Haven't read all the replies but my first question would be: is your 
lens impeccably clean?

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