cleaning sensor dust - CCD

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cleaning sensor dust - CCD

Playa dust on my DSLR Camera CCD sensor, ouch!

This is a sensor test photo that i took at Burning Man 2008.­

I have never seen as much dust on my sensor.­ Good thing I know how to clean a CCD sensor :)

To do a DSLR Camera CCD sensor test photo:

- Use a long lens /­ telephoto zoom (it will work better than with a wide angle)
- Set in A mode with the diaphragm (aperture) closed to the maximum (i.­e.­ maximum F-value, F32)
- Set the camera to manual focus and make it completely out of focus, so if you see a dot on the test shot, it will be dust (and not a bird in the sky!)
- Shoot the sky or something uniform and featureless (like a sheet of white paper)

To clean, I recommend a Giottos Rocket air blower to remove the bulk of the dust, then you can use the wet sensor swabs (with 100% pure methanol optical solution, also called methylic alcohol) to remove sticky particles that don't go with the air blower, if necessary.­

When blowing the dust with an air blower, hold the camera with the face down, so that the sensor is up.­ this way the dislodged dust will fall away from the sensor, rather than falling back on it.­ Doing this does help.­ Also, try to not touch the sensor with the blower.­ If you touch it, it probably won't damage your sensor, but it might let a mark that would require being cleaned using swabs and methanol.­

In many cases, the sensor can be cleaned completely with just the air blower.­ If that does not work because there are some very sticky particles on your sensor, then proceed with the wet swabs.­

Don't put more than a couple of drops of methanol on the swab, otherwise it would be too wet and leave deposit marks on the sensor.­ You will have to clean several times before getting a clean sensor, especially the first time.­ To clean, you must sweep the swab on the sensor from side to side.­ For best results, the width of the swab should the exact width of your sensor, so that you only need one sweep.­ Swabs made by Visible Dust.­ are excellent quality, I use those.­ After sweeping, put back the lens and do a test shot, then zoom on the image and check if there is still dust.­ usually the dust is located near the corners or near the edges.­ if you see dust, repeat the process.­

Camera sensor cleaning was painful at the beginning, it took me one hour to get all the dust OFF the first time.­ But now i can do it in two of three iterations, and it takes 10 min or so, and I am no the least nervous about doing it on my expensive camera.­

Also, remember that if you have dust on your DSLR sensor, it will probably not show on your photos if you shoot with maximum apperture (i.­e.­ minimum F value, e.­g.­ F2.­8 or F3.­5).­ So if you have dust on the sensor and must continue to shoot with the dust, remember to shoot in A-mode (apperture priority) and use maximum apperture, i.­e.­ use the minimum F value of your lens.­

Dry-cleaning the sensor with rotating brushes charged with static electricity will work only with the dry, non-sticky particles on the sensor.­ But it will not cleanup sticky or greasy particles.­ Those can only be removed with a wet swab.­ So even if you get one of those dry cleaning brushes (e.­g.­ Arctic Butterfly), sometimes you will still need to use the wet swabs.­

NEVER ever use a spray can to blow away the dust inside the camera.­ The very cold gas out of the air-can would cause irreparable damage (micro-cracks) to your sensor.­

There are other CCD cleaning options available, but that's what I use and it works well for me.­ Or you can pay a professional to do it, but it usually takes several days and it's not cheap, and this is not always possible if you travel.­ So you'd better learn how to do it yourself.­

Photo taken at the Burning Man 2008 festival (Black Rock Desert, Nevada).­

burning man
camera sensor
CCD sensor
image sensor
sensor brush
sensor dust
sensor swabs
visible dust
August 31, 2008
Black Rock City, Nevada, USA
Burning Man 2018 photos

Burning Man Festival

Photos per year: 2016, 2015, 2013, 2012, 2010, 2009, 2008, 2007, 2006, 2005, 2004, 2003, 2002, 2001, 1999, 1998.

Burning Man is yearly gathering of about 70,000 people, many from the San Francisco Bay Area, celebrating love, life, passion and art during one week in a desolated desert in Nevada.­

The event takes place each last week of august in an immense dry lakebed called Black Rock Desert.­ A temporary city is built where about everything is permitted except violence, money and commerce.­

The culmination of the event is the burning of a large human-shape figure in a giant bonfire, hence the name (Burning Man).­ The city disappears completely at the end of the week, leaving no trace.­

If this sounds interesting, check out the official Burning Man website at www.­burningman.­org.

Burning Man 2008 124 photos

Burning Man 2008 photos by Tristan Savatier (email me!)

In my opinion 2008 was clearly the worst year of the 10 years I've seen, due to a combination of reasons: a stupid and politically-charged theme ("The American Dream") that turned off many artists, not a lot of interesting or inspiring art on the playa (due to the previous reason), a city that was much too large (noticeably larger than previous years), very soft ground making it hard to ride bicycles and very dusty, cold, windy weather on the last two days with serious dust storms, and the cancellation of the fire conclave Saturday night for no good reason (there has been bigger dust storms on the night of the burn in past years, causing hours of delay, but they still had the fire conclave).­

Because i was really not inspired by by most of the art i saw this year, i mostly took photos of people.­

Hi-resolutions photos with no watermark are available for editorial use (contact me).­

For information on this festival and to see my photos from other years, click here.