PDA

View Full Version : How dirty is your sensor?


malla1962
25th of June 2005 (Sat), 13:11
Went out today to take a few pics with my 20D, and have always been aware of a few dust particles on the sensor. But today I took a few prop plan photos, and when I down loaded them, it looked like someone had shot blasted my sensor. I cant really understand how it has gone from a few spots to being covered. I then noticed that I had taken the shots at
125th sec at f20. So I dont think there is anymore dust on the sensor, it just seems to show itself more at f20. Here are a couple of pics of my sensor at f20 and f4. Digipads are on the way.

pierrot
25th of June 2005 (Sat), 14:16
At full aperture or wide open, dust particles are still there but their shade is blurry.
When the diaphragm is closed, they become far more visible.

cfcRebel
25th of June 2005 (Sat), 17:53
Normally rocket blower can take care of most of the dust particles. It works on mine.

Hellashot
25th of June 2005 (Sat), 18:26
Normally rocket blower can take care of most of the dust particles. It works on mine.

If you regularly blow it. If you don't blow it often or even, they'll be stuck on it like they were mine. I actually had to scrub my sensor like my kitchen sink for them to move!

Maxima
25th of June 2005 (Sat), 18:29
Mine was almost that bad out of the box, a few blows/pumps w/ a bicycle pump took care of most of it. What's left doesn't bother me, for I do not see it during my regular shoots.

malla1962
26th of June 2005 (Sun), 00:38
i tride to blow it but it will not move so i orderd some digi pads.i dont often shoot at f20
so maybe mine was verry dirty from new.

Rob612
26th of June 2005 (Sun), 01:37
Mine was almost that bad out of the box, a few blows/pumps w/ a bicycle pump took care of most of it. What's left doesn't bother me, for I do not see it during my regular shoots.


Hmmmm a bicycle pump doesn't really sound good to me, it can have particles inside that can be blown on your sensor...

xuxu1
26th of June 2005 (Sun), 09:42
Hmmmm a bicycle pump doesn't really sound good to me, it can have particles inside that can be blown on your sensor...
Agree!!!

I suggest that next time he should drive to the gasoline station and clean the sensor with "that thing" you usualy use to blow up your car tires. :rolleyes: I bet no more dirty sensor then. :lol:

Just kidding of course. Even though i shoot frequently with my 10D, i only had to clean my sensor once in over a year. Did that with a rocket blower. Worked perfect....

ED


ED

ghocking
26th of June 2005 (Sun), 10:21
Dirty, but not as dirty as yours seems to be. As I can only see it in the skies (or similar areas) I just use spot healing brush in CS2. Will only clean when I really have too.

JBillings
26th of June 2005 (Sun), 12:29
Good question, I just checked my 20D. I haven't cleaned it for a couple of weeks. Two swipes with the sensor brush pretty well does the trick. I've got a couple of spots left, but I'm not anal enough to do more. I typically have to clean the sensor a couple of times a month to keep it looking this good. The spots are not noticable on any image taken with the 50/1.8 at f/22 so I'm happy.