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DPChallenge Forums >> Photography Discussion >> damn sensor dust
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08/26/2006 10:37:51 AM · #1
I have a lovely blotch of sensor goo right in the middle of my silhouette shot. Darn, darn, darn... I've tried cleaning my sensor several times, but I must be doing something wrong, because it is still dirty. Arg! Why oh why can't we do spot editing in basic?? I know, I know.... it wouldn't be basic then, but I would be so much happier.
09/19/2006 08:51:19 AM · #2
I recently got my first dslr and now have the wonderful opportunity of cleaning my sensor. I have read in a coupe of post about useing a foot pump, What kind of foot pump, and were could I buy it. Also does the hand held pumps (hurricane) work ok? Any tips would be great considering it's my first time. Thanks in advance!!
09/19/2006 08:52:00 AM · #3

09/19/2006 09:40:12 AM · #4
While this photo is pretty good, I feel it could use some levels and curves adjustments. Also, I would like to see a little more of the "handle" on that little brush pad.

Photo may have benefited from better lighting and a little neat image.

Originally posted by deapee:



Message edited by author 2006-09-19 09:40:43.
09/19/2006 09:52:24 AM · #5
what a strange disjointed discussion!
09/19/2006 11:41:44 AM · #6
Originally posted by deapee:


how would you use the tape technique on the full size sensor?
09/19/2006 11:48:57 AM · #7
Originally posted by margiemu:

I have a lovely blotch of sensor goo right in the middle of my silhouette shot. Darn, darn, darn... I've tried cleaning my sensor several times, but I must be doing something wrong, because it is still dirty. Arg! Why oh why can't we do spot editing in basic?? I know, I know.... it wouldn't be basic then, but I would be so much happier.


I've heard that you shouldn't physically touch the sensor with anything but, rather, use air to blow it out (and not from a can).

Which leads to my next question to you, how did a smudge get on there (as opposed to just a piece of dust)? When you say, "goo", I'm thinking smudge, finger print, non-dry lint or dust. Maybe you can be more specific?
09/19/2006 11:53:13 AM · #8
I've talked to the local pro shop. They swear by only one solution:

Sensor Swab by Pro Solutions - //www.photosol.com/

It is relatively expensive, but cheaper than risking damaging your sensor.

I use it myself...and believe me, it's more regularly than I'd like to.

When you do it though, just make sure you avoid getting any more dust into camera.

After a few times, you'll get less nervous about it and do it swiftly.

PS. I have actually started a dust checking routine (zoom to infinity on manuel, set aperture as high as possibl) every time I am going to shoot a bit. Also, sometimes I find myself shaking camera while releasing the shutter in mid session as something is on sensor.

PPS Looking for improvements to this issue from Canon in future !!
09/19/2006 11:54:34 AM · #9
oh, from what I've read, any other solutions, like blowers and stuff simply don't work, you merely move dust around or add more.....

it's a painful truth, but i've accepted it!

Jakob
09/19/2006 11:58:32 AM · #10
Originally posted by chakkobbo:

oh, from what I've read, any other solutions, like blowers and stuff simply don't work, you merely move dust around or add more.....

it's a painful truth, but i've accepted it!


you've accepted it too quickly. all i've ever used to clean my sensor is a giottos rocket blower. cheap, effective, and i can carry it on an airplane...

my son also enjoys playing with it, because it's a cool "wocket"
09/19/2006 12:01:50 PM · #11
Originally posted by kudzu:

Originally posted by chakkobbo:

oh, from what I've read, any other solutions, like blowers and stuff simply don't work, you merely move dust around or add more.....

it's a painful truth, but i've accepted it!


you've accepted it too quickly. all i've ever used to clean my sensor is a giottos rocket blower. cheap, effective, and i can carry it on an airplane...

my son also enjoys playing with it, because it's a cool "wocket"


Do you have a link to this Giottos Rocket Blower?
09/19/2006 12:04:38 PM · #12
Originally posted by kudzu:

Originally posted by chakkobbo:

oh, from what I've read, any other solutions, like blowers and stuff simply don't work, you merely move dust around or add more.....

it's a painful truth, but i've accepted it!


you've accepted it too quickly. all i've ever used to clean my sensor is a giottos rocket blower. cheap, effective, and i can carry it on an airplane...

my son also enjoys playing with it, because it's a cool "wocket"

it doesn't work for me.
09/19/2006 12:17:56 PM · #13
Blowers work fine and should be the first step. If you don't have to touch the CMOS then don't. Sadly some blowers tend to break down over time, the inside of the bulb produces sticky little buggers that you end up blowing directly onto the spots you want clean. i now replace my blower every year or so, and buy a Rocket or one of the better brands.

If that dosen't work, the next least risky step is to use a Sensor brush A dry clean method that uses static electricity to coax spots off the sensor. The brush is a bit overpriced, but the methodology is sound.

Last attempt is to use a wet method; be it Sensor swabs or my favorite the Copperhill method which looks complicated and scary, but is pretty easy once you read through the whole thing and practice once or twice on something other than your camera, like a compact mirror, to get the motions right.

Or you can take the path of least apparent risk and take it to you local camera shop. I did this once. After convincing the owner he didn't need to keep my camera for two days, the shop owned handed my camera to a a kid in the back and as I watched over his sholder he rushed through a pretty sloppy job doing what I had done at home and then paid fourty bucks for the experience.
09/19/2006 12:55:03 PM · #14
Originally posted by maggieddd:

Originally posted by kudzu:

all i've ever used to clean my sensor is a giottos rocket blower. cheap, effective, and i can carry it on an airplane...

my son also enjoys playing with it, because it's a cool "wocket"

it doesn't work for me.


hmmm... must be a canon thing... works fine on my nikon... ;)

you can use brennan's link to get to it and they're for sell at both b&h and adorama (among other places)

to clean my d70, i do a mirror lockup, remove the lens, hold the camera face down, then give it a couple of blows w/ the rocket. then i hit the switch to close the mirror. i then blow off the end of the lens and replace, while still holding the camera face down.

so far, this has worked every time. i still get sensor dust, but that's more 'cause i'm rather sloppy when changeing lenses.

09/19/2006 02:45:46 PM · #15
Originally posted by kudzu:

Originally posted by maggieddd:

Originally posted by kudzu:

all i've ever used to clean my sensor is a giottos rocket blower. cheap, effective, and i can carry it on an airplane...

my son also enjoys playing with it, because it's a cool "wocket"

it doesn't work for me.


hmmm... must be a canon thing... works fine on my nikon... ;)

you can use brennan's link to get to it and they're for sell at both b&h and adorama (among other places)

to clean my d70, i do a mirror lockup, remove the lens, hold the camera face down, then give it a couple of blows w/ the rocket. then i hit the switch to close the mirror. i then blow off the end of the lens and replace, while still holding the camera face down.

so far, this has worked every time. i still get sensor dust, but that's more 'cause i'm rather sloppy when changeing lenses.

I take it you have never changed your lenses in dusty environment such as desert.
09/19/2006 02:50:19 PM · #16
Originally posted by maggieddd:

I take it you have never changed your lenses in dusty environment such as desert.


What's worse is salt spray from the boat or at the beach. This stuff requires a chisel to remove.

Message edited by author 2006-09-19 14:58:16.
09/19/2006 02:52:27 PM · #17
Originally posted by lesgainous:

Originally posted by maggieddd:

I take it you have never changed your lenses in dusty environment such as desert.


What's worse is salt spray from the boat or at the beach. This stuff required a chisel to remove.


desert? no. beach? yes... around here, though, most of what i have to contend with is pollen storms.

worse on my sinuses than the d70, but that's another post all together...
09/19/2006 03:28:01 PM · #18
Originally posted by kenskid:

While this photo is pretty good, I feel it could use some levels and curves adjustments. Also, I would like to see a little more of the "handle" on that little brush pad.

Photo may have benefited from better lighting and a little neat image.

Originally posted by deapee:



uhm...do you really think I was after a photo critique? I took the shot to show the tools I use to clean my sensor. But thanks anyway.
09/19/2006 03:30:14 PM · #19
Originally posted by maggieddd:

Originally posted by deapee:


how would you use the tape technique on the full size sensor?


A full size sensor as in...??? Do you mean a 35mm sensor like a 5d? The same as it works on my or your sensor. The tape isn't as thick as the sensor as it is anyway. Even if it was, you want to do it twice...align the TOP with the TOP and dont touch the plastic around the sensor...don't worry about the bottom. Then lift, and repeat, this time getting all the way to the bottom edge...done...total time...5-20 seconds.
09/19/2006 03:42:00 PM · #20
Originally posted by deapee:

uhm...do you really think I was after a photo critique? I took the shot to show the tools I use to clean my sensor. But thanks anyway.


hmm... did you just miss his joke or did i just miss yours?

just wondering... without the [ /sarcasm ] tags, i can never tell...
09/19/2006 03:44:26 PM · #21
Originally posted by deapee:

Originally posted by maggieddd:

Originally posted by deapee:


how would you use the tape technique on the full size sensor?


A full size sensor as in...??? Do you mean a 35mm sensor like a 5d? The same as it works on my or your sensor. The tape isn't as thick as the sensor as it is anyway. Even if it was, you want to do it twice...align the TOP with the TOP and dont touch the plastic around the sensor...don't worry about the bottom. Then lift, and repeat, this time getting all the way to the bottom edge...done...total time...5-20 seconds.

actually I don't have the 20D any more. I have the 5D now. I had a hard time aligning the tape on the 35mm sensor. I never get it perfectly aligned so it either leaves the dust on the edges or a line from the tape (which I can remove with eclipse but then I get dust on it again). I have to say otherwise the type method worked the best so far except I can't get the corners and edges. I just can't get the tape aligned :(

Message edited by author 2006-09-19 15:44:52.
09/19/2006 03:57:12 PM · #22
do the "dust shakers" in the olympus cameras work well, anybody know?
09/19/2006 04:00:11 PM · #23
oh. I dunno, honestly I think that the tape thing could probably only be used when you get a whacky piece of dust that just won't be sucked out by a shop vac. Yeah...I use a shop vac that has been known to suck quarters up from inside crevices in my truck hehehe.
09/19/2006 04:08:03 PM · #24
Originally posted by deapee:



Alright. I've heard this tape method come up before and as quick as it came up, t was shot down. The uproar was that it would leave a residue of sort and it would be sheer stupity to even touch your sensor with tape .... yada yada yada. Either way, I've been using the wet swab routine and it is really a pain in the butt leaving smears etc etc. It is expensive and in my opinion, ineffective. There has to be a better way. I like the "brush" you use to depress the tape as it makes sense. Would a quality fiber brush depress the corners more effectively or are you just adding another undesirable element in the sensor area. I'm sincerely intrigued by the method and fully subscribe to some alternative to the crappy system I've been utilizing. Would you please expand on your process and discuss some issues you may have bumped into. Thanks.

I'll hang up now and wait for your response. ;-)
09/19/2006 04:12:19 PM · #25
I'd recommend only using something like the 'padded' brush or anything like that to push the tape down gently. I dont think a bristle or hair type brush would get it to stick properly.

When you take the tape off, just peel it from one end to the other...I have no residue and I've done it probably 15-20 times, if not more. Every time I get anything on my sensor, I just whip out a piece of tape and my little makeup applicator and I'm done.

I don't think there are really any issues that you could run into. On the rare occasion that you would get something to stick (which I've never seen happen) just stick another piece of tape on it and I'd assume it would lift the residue off.

You're right though, some people think I'm nuts. In reality, I think that anyone who puts anything wet into their camera is nuts heh.
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