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Old 25-09-2012, 08:14   #1 (permalink)
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Question Removing dust from the sensor

I want to try something for removing dust from sensor at home(blower doesn't help). Many videos on youtube with some self made things. Could you recommend me some quality swabs that can be used at home and will not leave particles while cleaning the sensor.

Thank You
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Old 25-09-2012, 08:35   #2 (permalink)
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Re: Removing dust from the sensor

Welcome to Pixalo Visualist

I strongly suggest that you do not use household items to attempt this operation. The sensor is very sensitive and things like cotton buds or tissues will damage it by being too rough or by depositing more crud than they remove. Optical cleaning fluids will not leave any residue unlike domestic stuff.

Dust can usually be removed by careful use of a blower (although some will say that all they do is to blow the dust around to eventually settle on the senser again) Others recommend the Arctic butterfly which is available in several guises.

However it is not only dust that can get on the sensor. Pollen is sticky and needs a wet cleaner and many people use the Copperhill system. Finally, oil can get on the sensor from the camera mechanism and it is vital not to get oil on brushes such as the Arctic Butterfly. It will ruin them.

There are some that use a magnifier that fits onto the lens mount and others that are effectively a pen like the Sensor Klear.

So you will really need a couple of different systems to cover all of the possible situations. As to what is the best, I can't tell you. All you can do is to see what other members suggest and see if any appeal to you.

These links might be useful

http://www.pixalo.com/community/tuto...ghlight=sensor

http://www.pixalo.com/community/tuto...ghlight=sensor

Some of the comments are tongue in cheek, so please do not take all of the posts literally!
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Old 25-09-2012, 08:45   #3 (permalink)
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Re: Removing dust from the sensor

The blower is no good because free particles sticks to sensor like magnet. I need some proven quality swabs.

Thank You for recommendations!
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Old 25-09-2012, 08:52   #4 (permalink)
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Re: Removing dust from the sensor

I use Pec-Pads and Eclipse fluid - or should I say I used to as I've not yet had to clean the 7D sensor in 18 months!
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Old 25-09-2012, 09:04   #5 (permalink)
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Re: Removing dust from the sensor

I use Sensor cleaning system for digital camera.. Expensive but then so is your sensor. It may seem obvious, but if the sales staff in the shop do not know, it is important to make sure you get the correct size swabs to cover the sensor e.g. Canon is not equal to Nikon, and APS-C is not equal to full frame, etc.. Follow the instructions on the pack, watch a few youtube videos (you will be able to sort out the good from the bad).

Remember
  • Apply no pressure
  • Make a full sweep across the sensor without pausing otherwise you will have streaks
  • If the "dust bunnies" are stubborn it is best to go fairly slowly over the sensor (about 5seconds for one direction), to allow the damp of the swab to moisten and release the dirt. Too quickly and the dirt will remain and could cause a scratch on the sensor with the next sweep
  • The lens creates an inverted image of your subject. So if you have a dust bunny at the bottom left of the picture, the dirt itself will be at the top right of the sensor, if looking form the back of the camera or top left if looking from the front.
  • Use a good magnifying glass to see what you are doing. Between 2 and 3 diopters will allow a comfortable position of the eye outside the camera while being able to work on the sensor. If you do not have one then I recommend buying one. There are special 'loupe's (just French for magnifying glass), available specifically for this task. They can be expensive.

Check your results by shooting at a well lit, blank sheet of white paper and set your aperture to the smallest possible (highest f/stop). You are actually cleaning a filter in front of the sensor and so there is a small distance between the filter and the sensor. Using a wide aperture allows the light to go 'round' the dust bunny and make it less defined. Using the smallest aperture (e.g. f/22) creates a small light source from the lens that casts better defined shadows of the bunny on the sensor and is easier to see in a test image.
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Last edited by grease spot; 25-09-2012 at 09:09.
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Old 25-09-2012, 09:12   #6 (permalink)
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Re: Removing dust from the sensor

Quote:
Originally Posted by grease spot View Post
I use Sensor cleaning system for digital camera.. Expensive but then so is your sensor. It may seem obvious, but if the sales staff in the shop do not know, it is important to make sure you get the correct size swabs to cover the sensor e.g. Canon is not equal to Nikon, and APS-C is not equal to full frame, etc.. Follow the instructions on the pack, watch a few youtube videos (you will be able to sort out the good from the bad).

Remember
  • Apply no pressure
  • Make a full sweep across the sensor without pausing otherwise you will have streaks
  • If the "dust bunnies" are stubborn it is best to go fairly slowly over the sensor (about 5seconds for one direction), to allow the damp of the swab to moisten and release the dirt. Too quickly and the dirt will remain and could cause a scratch on the sensor with the next sweep
  • The lens creates an inverted image of your subject. So if you have a dust bunny at the bottom left of the picture, the dust bunny will be at the top right of the sensor
  • Use a good magnifying glass to see what you are doing. Between 2 and 3 diopters will allow a comfortable position of the eye outside the camera while being able to work on the sensor. If you do not have one then I recommend buying one. There are special 'loupe's (just French for magnifying glass), available specifically for this task. They can be expensive.

Check your results by shooting at a well lit, blank sheet of white paper and set your aperture to the smallest possible (highest f/stop). You are actually cleaning a filter in front of the sensor and so there is a small distance between the filter and the sensor. Using a wide aperture allows the light to go 'round' the dust bunny and make it less defined. Using the smallest aperture (e.g. f/22) creates a small light source from the lens that casts better defined shadows of the bunny on the sensor and is easier to see in a test image.
Nice one!

Only thing I'd add is that when you do your test shots, make sure you don't focus on anything - the worse the focus the more you can use something like a computer screen (which is what I use - long exposure and OOF is perfect!)
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Old 25-09-2012, 10:03   #7 (permalink)
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Re: Removing dust from the sensor

I will try the product from Green Clean that's mentioned in this tutorial: http://www.pixalo.com/community/tuto...sor-11972.html
I got some really great advice from You.
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Old 25-09-2012, 13:08   #8 (permalink)
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Re: Removing dust from the sensor

I have used a blower which sometimes worked and sometimes did not depending on the dust at the time. I then got an Artic Butterfly which came free with a magazine subscription, I used it once and all it did was to smear oil or something all over the sensor which I could not get off. A friend then lent me his "Lenspen" sensor Klear pen and it worked a treat I bought one and have no bother with dust since.
The secret is to change lenses quickly, have everything to hand so that the camera is left open as short a time as possible and do it in a sheltered place if possible.

Colin.
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Old 25-09-2012, 17:13   #9 (permalink)
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Re: Removing dust from the sensor

Quote:
Originally Posted by Markulous View Post
I use Pec-Pads and Eclipse fluid - or should I say I used to as I've not yet had to clean the 7D sensor in 18 months!
Yeah the 7D is mad isn't it, my 400D used to attract every bit of dirt for miles around the instant I took it out, 7D 14 months on, after changing lenses in all sorts of bad conditions, not a speck.
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Old 25-09-2012, 18:06   #10 (permalink)
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Re: Removing dust from the sensor

Hi there is a really good HOW to Clean your Sensor on this site by Rob Barron I was only checking it out this morning.........See Tutorial Guide..Cleaning your Sensor its on the Community Forum Page when you log onto Pixalo..
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Old 25-09-2012, 18:21   #11 (permalink)
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Re: Removing dust from the sensor

Quote:
Originally Posted by Des Gardner View Post
Hi there is a really good HOW to Clean your Sensor on this site by Rob Barron I was only checking it out this morning.........See Tutorial Guide..Cleaning your Sensor its on the Community Forum Page when you log onto Pixalo..
Is that the sane one I linked to in post #2?
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Old 25-09-2012, 18:36   #12 (permalink)
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Re: Removing dust from the sensor

Whoops........ yes it is sorry, I only came across it this morning and found it very interesting! then I noticed the post and did not read anything in between...Best Wishes Des...
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Old 25-09-2012, 22:24   #13 (permalink)
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Re: Removing dust from the sensor

I use intemos.com - the home of digital camera cleaning with no problems
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Old 26-09-2012, 09:18   #14 (permalink)
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Re: Removing dust from the sensor

rather than start a new thread sorry for the bump but the other day i noticed some specks in the viewfinder i looked closer and found they were on the focusing screen now here is an another issue ..how do i clean the focusing screen i tried the rocket blower no joy there i'm afraid but i have been told ..well read, that it is just as delicate as the sensor, that was after i tried the cotton buds no damage though...
i know you can remove them or even replace them with a different screen.
Has anyone had this problem before? and would using the eclipse stuff work on the screen it just seams really awkward to get to...
thanks
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Old 26-09-2012, 09:30   #15 (permalink)
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Re: Removing dust from the sensor

I have a small black speck on mine too at the mo, but I am ignoring it, if it gets worse then I might take action! In the old days it was easy to get the screen out (Nikon) but now (digital) I am not even going to attempt it, its just not worth the hasle, If I remember the focusing screens of old were awfull to clean and quite often you could buy another quite cheaply there was quite a selection you could choose from, sorry I cant be of much help....

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Old 29-09-2012, 16:49   #16 (permalink)
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Re: Removing dust from the sensor

Quote:
Originally Posted by Markulous View Post
I use Pec-Pads and Eclipse fluid - or should I say I used to as I've not yet had to clean the 7D sensor in 18 months!
+1 for pec-pads and eclipse,. used them on multiple different cameras over the years and never had an issue,.

I tape the pec-pad to a cut down spatula from a kitchen shop and a few drops of eclipse and it's good to go,. cost is pence per clean
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