Hi all,
Here is a recent picture of the moon taken during the 3-5th March Mersing trip, using the D70 and Pentax 3-inch refractor at eyepiece projection using XP8. Notice it looks weird? ;P
Weird Moon from recent Mersing trip ;P
Weird Moon from recent Mersing trip ;P
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hi Tachyon,
it was taken in mersing, and both nights were quite dry. There are no sources of air-conditioning, nor the camera was chilled prior. The image was taken to bring out the earthshine. The almost full moon would have little effect on this tonight, but if there is oppotunity again, I would try it out again.
it was taken in mersing, and both nights were quite dry. There are no sources of air-conditioning, nor the camera was chilled prior. The image was taken to bring out the earthshine. The almost full moon would have little effect on this tonight, but if there is oppotunity again, I would try it out again.
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weixing
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Hi,
IMHO, I think this may be cause by the internal reflection of the eyepiece's eye lens and the D70 CCD. The light hit the D70 CCD (CCD surface is quite reflective) and reflect back to the eyepiece's eye lens. Then the reflected light that hit the eyepiece's eye lens reflect back to the CCD again causing internal reflection. Normally, this shouldn't be a problem, but the bright side of the Moon is quite bright and in order to bring out the earthshine, your exposure must be quite long. Thus, causing the internal reflection problem.
Anyway, I think some camera lens not design for digital SLR also got this problem when use on a digital SLR.
Have a nice day.
IMHO, I think this may be cause by the internal reflection of the eyepiece's eye lens and the D70 CCD. The light hit the D70 CCD (CCD surface is quite reflective) and reflect back to the eyepiece's eye lens. Then the reflected light that hit the eyepiece's eye lens reflect back to the CCD again causing internal reflection. Normally, this shouldn't be a problem, but the bright side of the Moon is quite bright and in order to bring out the earthshine, your exposure must be quite long. Thus, causing the internal reflection problem.
Anyway, I think some camera lens not design for digital SLR also got this problem when use on a digital SLR.
Have a nice day.
Yang Weixing
"The universe is composed mainly of hydrogen and ignorance."
"The universe is composed mainly of hydrogen and ignorance." 
