What is the "green dot" ?!

Meileng · 25th April 2004

Hi Hi !

I started to take up photography since last Dec.

I am using Canon 300D. During my recent trip to Langkawi, I tried to take the sunset. But there is a "green dot" appeared at the photo. It seemed to me like a reflections but how come it come in green colour ?
Can I know why ?? Any idea from your past experience ?

I tried taking night photography and the "green dot" appear as well.
Is there something wrong with my lenses ??

Appreciate advise.

Thanks !

Richard · 26th April 2004

Originally Posted by Meileng

Hi Hi !

I started to take up photography since last Dec.

I am using Canon 300D. During my recent trip to Langkawi, I tried to take the sunset. But there is a "green dot" appeared at the photo. It seemed to me like a reflections but how come it come in green colour ?
Can I know why ?? Any idea from your past experience ?

I tried taking night photography and the "green dot" appear as well.
Is there something wrong with my lenses ??

Appreciate advise.

Thanks !

Without seeing the photos, I can only hazard a guess.

Is the dot at the exact same place? It's either stuck/hot/dead pixels. Post up the photos.

zekai · 26th April 2004

Et? ........................

Leongfm · 26th April 2004

I think the "green dot" was due to lens flare caused by pointing the lens directly at the sun/bright light. The green colour is due to the multicoating of the lens elements. To avoid this you can use a lens hood or try to point the lens at an angle to the sun/brightlight.

FM

nicholas1986 · 26th April 2004

if green dot is big then it is a flare
if like a pixel size then it is a problem pixel

blurblock · 26th April 2004

Originally Posted by Meileng

Hi Hi !

I started to take up photography since last Dec.

I am using Canon 300D. During my recent trip to Langkawi, I tried to take the sunset. But there is a "green dot" appeared at the photo. It seemed to me like a reflections but how come it come in green colour ?
Can I know why ?? Any idea from your past experience ?

I tried taking night photography and the "green dot" appear as well.
Is there something wrong with my lenses ??

Appreciate advise.

Thanks !

Try to take a picture of a white piece of paper and a black piece of paper, manual focus, what do you see? The green dot still there?

25th April 2004	#1
Meileng New Member Join Date: Jan 2004 Posts: 1	What is the "green dot" ?! Hi Hi ! I started to take up photography since last Dec. I am using Canon 300D. During my recent trip to Langkawi, I tried to take the sunset. But there is a "green dot" appeared at the photo. It seemed to me like a reflections but how come it come in green colour ? Can I know why ?? Any idea from your past experience ? I tried taking night photography and the "green dot" appear as well. Is there something wrong with my lenses ?? Appreciate advise. Thanks !

26th April 2004	#3
zekai Senior Member Join Date: May 2002 Location: Singapore Posts: 1,737	Et? ........................ __________________ http://alextan.net

26th April 2004	#4
Leongfm Member Join Date: Feb 2003 Posts: 196	I think the "green dot" was due to lens flare caused by pointing the lens directly at the sun/bright light. The green colour is due to the multicoating of the lens elements. To avoid this you can use a lens hood or try to point the lens at an angle to the sun/brightlight. FM

26th April 2004	#5
nicholas1986 Member Join Date: Feb 2002 Location: singapore Posts: 435	if green dot is big then it is a flare if like a pixel size then it is a problem pixel