why is that a black spot on my photo?


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Laopan

New Member
Mar 19, 2005
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#1



I notice a black spot on my photo,
however, I have already checked my filter (which have been cleaned),
there are no dust or spot, same for the both side of the lense.

how could this black spot coming from? any method to check and find out
the source of these black spot?

anyone can help ? thank a lot :)
 

dw2chan

New Member
Jul 2, 2007
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#3
dust can also get inside your lens. to check if it's the lens or sensor, take a picture of a white piece of paper or wall... and then switch lenses and repeat. if the spot is in the same place it's the sensor.
 

zac08

Senior Member
Feb 21, 2005
11,755
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#4
Confirmed sensor...

coz your shot was at f22.... try it again at large apertures, you shouldn't see it. ;)

Go for a sensor cleaning session.
 

Laopan

New Member
Mar 19, 2005
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Singapore
#5
Thanks .. I will do a try this afternoon.

how much does it cost, if I am to send it for cleaning?
 

JerrySH

New Member
Oct 15, 2007
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#7
Can blower manage to clear these from sensor?
it can be done, if u noe how, if u dun wanna risk juz bring it down for pro clean up. with a small cost. =\
 

Laopan

New Member
Mar 19, 2005
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#8
it can be done, if u noe how, if u dun wanna risk juz bring it down for pro clean up. with a small cost. =\
Thank you.

Do you have any article or website to demonstrate how to clean sensor?

Anyway, it is time to learn how to clean sensor by myself...
as dust will always surrounding us for life time, it is better we learn how to clean it.
 

Buggy

New Member
Aug 16, 2004
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Woodlands
#9
Can blower manage to clear these from sensor?
it can be done. but be gentle and do not apply excessive air pressure to remove the dust from the sensor, let alone say touching the sensor. :)
 

Laopan

New Member
Mar 19, 2005
86
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Singapore
#11
sensor swab and elipse so expensive ?
$38 + $180 and can clean max 12 times only?
 

soeypixels

Senior Member
Jun 24, 2007
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#12
u can reused the swap stick and get pec pads from cathay
cut to shape and tie on the stick

cheaper way is to buy 2-3 sticks from this forum
get the solution and pec pads from cathay

$90 for the swap stick
solution <$30
 

Laopan

New Member
Mar 19, 2005
86
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Singapore
#14
Bro photography is an expensive hobby ;p
I know, but $200+ I can already buy a good chrismas gift for someone :)

compare to a $200+ -> psp
and $200+ -> swab and eclipse ..

I will tend to buy psp..hehe, how do you think?
 

KTKTKT

New Member
Aug 10, 2007
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#15
Forget it, how often do you shoot at f22. At f5.6 you are unlikely to see the spot anyway. After cleaning, how long does your sensor remain clean ? (till the next time you change lens ?)
 

Laopan

New Member
Mar 19, 2005
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Singapore
#17
my warranty is over ... send the service centre (open only monday to friday) need to take leave ... plus everytime 20+ not cheap also.

I use F-stop above F16 quite often .... as I like to shot a clear landscape shot... :cry:
 

Kit

Senior Member
Jan 19, 2002
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Upper Bukit Timah
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#19
my warranty is over ... send the service centre (open only monday to friday) need to take leave ... plus everytime 20+ not cheap also.

I use F-stop above F16 quite often .... as I like to shot a clear landscape shot... :cry:
You don't have to clean the sensor regularly if its not affecting your pictures too much. An obvious speck here and there can be gotten rid of by cloning in PS.
 

Laopan

New Member
Mar 19, 2005
86
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Singapore
#20
You don't have to clean the sensor regularly if its not affecting your pictures too much. An obvious speck here and there can be gotten rid of by cloning in PS.
Yes, I am using PS the clean the dust for now....
but when too many picture need to PS .. getting tired
 

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