ghost of moon in evening shots! HELP!
SElli73713
Jayson,
My guess would be one of two things is happening 1) you're using flash
for these shots and your automatic camera is metering for ambient light,
giving you a shutter speed that's too slow or 2) you're getting lens
flare because the sun or the moon are at too steep of an angle to your
lens, therefore being almost in the field of view.
In the first situation, the flash allows you to stop any action of the
subject but the slow shutter speed causes the multiple images of any bright
background objects. But if it's the second case, you need to either use a
lens hood when the sun or moon are almost within the scene you're
photographing or recompose to remove them.
HTH.
steve
jayf...@aol.com (JayFromLA) writes:
>help!!! whenever I take pictures at night with the moon or even sunsets
>where the sun is still visible, I always get that damn "ghost" image of a
>second moon (or sun) in the picture.
>Is there any way to get rid of it? It ruins all of my could-be nice
>pictures!
>If anyone can provide some advice, please e-mail!
>also, why does this occur? Does it have something to do with reflection
>between lens layers?
JayFromLA
help!!! whenever I take pictures at night with the moon or even sunsets
where the sun is still visible, I always get that damn "ghost" image of a
second moon (or sun) in the picture.
Is there any way to get rid of it? It ruins all of my could-be nice pictures!
If anyone can provide some advice, please e-mail!
also, why does this occur? Does it have something to do with reflection
between lens layers?
Thanks!!!
Jayson
--------
Jayson M. Dessel ~~~ JayFromLA @ AOL.com
WWW: Http://members.tripod.com/~thephilosopher
"It's better to regret what you've done than what you haven't"
"Knowledge is what you have after you've forgotten all that you've memorized!"
Sebastian Tan
Canon 50mm F1.8 lens last week to take ambient lighting of a person
behind 25 candles. In the viewfinder, I saw ghossy image on every
candle. Those duplicated faint image appeared sligthly below the actual
flame of the candle. However, when the pictures were developed, those
ghossy image did not appear at all. I believe those are some reflection
image caused by the mirror. However, if your pictures shown ghossy
images, I think most likely is lens's flare. May be you should put on
lens hood and multi-coated UV filter to reduce the posssiblity of flare.
Do let me know if I'm wrong.
Enjoy
Seb
Michael Quack
JayFromLA <jayf...@aol.com> schrieb im Beitrag
<19970920062...@ladder02.news.aol.com>...
> help!!! whenever I take pictures at night with the moon or even sunsets
> where the sun is still visible, I always get that damn "ghost" image of a
> second moon (or sun) in the picture.
>
> Is there any way to get rid of it? It ruins all of my could-be nice
pictures!
> If anyone can provide some advice, please e-mail!
>
> also, why does this occur? Does it have something to do with reflection
> between lens layers?
Looks like either your lens is not of the best quality, or you are using a
skylight or UV filter on your lens. Those filters very often lead to image
degradataions that you described. Also using a dedicated lens shade
increases brillance and contrast of almost every picture significantly.
If you have a lens filter on your lens, take it off, and try again. If that
doesn't solve your problem, prbably your lens is too poor.
It is indeed reflections between lens layers. Or glass layers with the
filter. Which lens are you using ?
--
Michael Quack
(Photo...@aol.com)
Website: <http://members.aol.com/photoquack/index.htm>
Fashion, Beauty, Newswork, Nude, Industry and more
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Sherman J. Bamper
I need a little more detail. What are you attempting to shoot? What is
the subject and lighting? What lens are you using? Where is the moon or
sun in relation to you subject?
JayFromLA <jayf...@aol.com> wrote in article
<19970920062...@ladder02.news.aol.com>...
> help!!! whenever I take pictures at night with the moon or even sunsets
> where the sun is still visible, I always get that damn "ghost" image of a
> second moon (or sun) in the picture.
>
> Is there any way to get rid of it? It ruins all of my could-be nice
pictures!
>
> If anyone can provide some advice, please e-mail!
>
> also, why does this occur? Does it have something to do with reflection
> between lens layers?
>
Marcio Watanabe
This may be caused by the use of a UV filter (or other filter). 50%
of my pictures are taken from just before sunset to about 30 minutes
after, against some kind of light source. Flare is a big concern
during these times. I had my share of pix ruined because of it, and I
can't believe when people advocate always using a UV filter.
Sometimes you can see the problem just before pressing the shutter
button; sometimes you can't. You should remove even multicoated
filters for that kind of shot. I use Hoya HMC, and in some cases, I
can see a difference on the viewfinder when the filter is removed.
You should also consider using a lens hood all the time. If this
doesn't solve your problem, you may just have a poor quality lens.
Marcio
--
_
__ _ ___ _________(_)__ If you had half as much fun reading this
/ ' \/ _ `/ __/ __/ / _ \ as I had writing it
/_/_/_/\_,_/_/ \__/_/\___/ I had twice as much fun as you!! ,,,
(o o)
--- mar...@primenet.com -------------------------------------ooO-(_)-Ooo--
Michael Quack
Sebastian Tan <se...@cyberway.com.sg> schrieb im Beitrag
<3423B9...@cyberway.com.sg>...
> JayFromLA wrote:
> > help!!! whenever I take pictures at night with the moon or even sunsets
> > where the sun is still visible, I always get that damn "ghost" image of
a
> > second moon (or sun) in the picture.
> > Is there any way to get rid of it? It ruins all of my could-be nice
pictures!
> > If anyone can provide some advice, please e-mail!
> > also, why does this occur? Does it have something to do with
reflection
> > between lens layers?
> images, I think most likely is lens's flare. May be you should put on
> lens hood and multi-coated UV filter to reduce the posssiblity of flare.
> Do let me know if I'm wrong.
Lens hood is right, there should be one on every lens.
UV-Filter is wrong. It adds a glass element to the optical system, that is
maybe the cause for further internal reflections and ghost pictures.
Darrell A. Larose
JayFromLA (jayf...@aol.com) writes:
> help!!! whenever I take pictures at night with the moon or even sunsets
> where the sun is still visible, I always get that damn "ghost" image of a
> second moon (or sun) in the picture.
>
> Is there any way to get rid of it? It ruins all of my could-be nice pictures!
>
> If anyone can provide some advice, please e-mail!
>
> also, why does this occur? Does it have something to do with reflection
> between lens layers?
>
> Thanks!!!
>
I've had this occur when I've tried the shot with a skylight (or UV) filter
attached. When I removed the filter the problem went away. It is a reflection
but not between lens layers.
Darrell Larose
Advanced Workshops | http://livewire.newforce.ca/darrell/cco_home.htm
Camera Club of Ottawa | Official Web Site of the Camera Club of Ottawa
Ski4photo
>help!!! whenever I take pictures at night with the moon or even sunsets
>where the sun is still visible, I always get that damn "ghost" image of a
>second moon (or sun) in the picture.
>
>Is there any way to get rid of it? It ruins all of my could-be nice
>pictures!
>
>
landscapes (double exposed on the same roll of
film, shooting the roll two times through the camera)
on the 16th, the 17th, and the 18th of September.
I used a tripod, a UV filter and a lenshood.
The landscapes were taken with a 180mm lens,
a 200mm lens, and a 35-135mm lens.
The moon was shot with a 500mm F8 Reflex-Nikkor.
No shots had a double image of the moon.
What film and what lens were you using to get
the double image? Were you using a tripod?
Bill Wright
jayf...@aol.com (JayFromLA) posted:
>whenever I take pictures at night with the moon or sunsets where the
>sun is still visible, I always get that damn "ghost" image of a second
>moon (or sun) in the picture.
If the sun or moon is in front of the camera, such that sunlight
or moonlight enters directly into the lens, you may have a number of
problems, including the one that you've mentioned.
However most of us have photographed the setting sun or the moon
without ghosts or diffractions or excessive flare.
So it's a matter of knowing when you're in trouble, and when
you're not.
The viewfinder does -not- tell you whether the sun/moon is
shining directly into the lens. If sunlight or moonlight enters the
lens from an angle, and strikes just inside the front end of the lens
barrel, it may not travel directly to the film or viewfinder. It may
take several bounces inside the barrel and eventually reach the film,
but you may not see it in the viewfinder.
Experience teaches photographers to be aware of the warning
signs, but none of us see them 100% of the time.
As a starting point, hold your finger or pencil in front of the
lens and look into the barrel (from the front of the camera) without
blocking any direct sunlight/moonlight that may be entering the lens.
Move your finger or pencil around. If you can see the shadow moving
inside the lens barrel (anywhere inside the barrel), you have a
potential problem(s). Most likely you should abandon the photograph
unless.....
If you -want- to include the setting sun or the moon in your
photograph, don't base your exposure on the sun/moon itself.
Point the camera off to one side and set your exposure. After you've
done this, if the sun or moon is 3-4 stops brighter than the exposure
you've chosen, you're in 'problem territory.' Perhaps you'll want
to shoot regardless; but think about shooting later (sunsets) or
earlier (moons) when the contrast isn't so extreme.
Here are some other comments, in no particular order:
Even if you ignore the issue of a flare bouncing around inside
your lens barrel, it's also a fact that your viewfinder does not show
exactly what your lens sees. Viewfinders vary from 90% to 110% of
the lens's coverage, depending on the details of each particular
system. In my Nikon FM2, I think I get 106%.
Thus you may think that you excluded the sun or moon from your
image, but you didn't.
Since the optical path to the viewfinder is not identical with
the optical path to the film, the viewfinder may not see the same
thing that film see, even after accounting for differences in
coverage.
If you mean that the "ghost" is sharp-edged and distinct,
identifiably separate from the "real" image, and located in a
different portion of the photograph, then you are dealing
with a reflection.
If the ghost is somewhat fuzzy, or has noticeably less detail,
then there are a number of possibilities that involve flare and/or
high humidity (water vapor can cause halos) and/or small apertures
(large f-numbers).
In addition to inside the lens, a reflection can happen in the
space between filter and lens, or between multiple (stacked) filters.
Also, you may want to inspect the inside surface of your lens hood
(if you're using one). Does the hood have a shiny area, perhaps
polished by usage or damage? Does the lens (or a filter) have a
scratch or abrasion on it? Some lenses are better protected (better
constructed) to minimize internal reflections.
Finally, I would recommend that you take a few examples to a
full service camera store or photolab, not to a drug store or place
that sells only point & shoot equipment. You may discover that what
you are describing as a 'ghost image' is really something else.
Good luck.
(posted and emailed)
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