Dust in view finder

<p>Hi, I've got a Canon 300D and it's got spec's of dust in the view finder, they don't show up on the picture, it's just a pain to see them every time you look through the view finder is there any way to clean out this dust?</p>

 

<p>Try a hand blower and blow off the focus screen. Do it with the lens mount down and then blow out the mirror chamber to get the dust out before it migrates to the sensor.</p>

<p>If the dust is on top the focus screen, then a repairman needs to remove the screen. Trying to clean with any liquids will make a mess unless the screen is removed. They are easily damaged so I would tell you to use a hand blower only.</p>

<p>Use a rocket air blower <a href="http://www.bhphotovideo.com/c/product/259157-REG/Giottos_AA1900_Rocket_Air_Blower_.html">http://www.bhphotovideo.com/c/product/259157-REG/Giottos_AA1900_Rocket_Air_Blower_.html</a>, keep in mind that you'll be blowing the dust around inside, eventually it'll show up on the finder again. It seems to me that Canon does a better job at this, you have to send your camera in though. A few dust spots in the viewfinder are not worth sending the camera in for a couple of days.</p>

<p>Beware of large insects crawling in your rocket blower intake valve! They tend to squirt nasty chunks through the much smaller output nozzle.</p>

<p>I'm glad I ruined a negative instead of spraying bug goo all over my prism. :)</p>

<p>I live in Southern California, and I had my camera long with me when I was in Canon's neighborhood. 2 hours later I had a clean viewfinder, focus screen and mirror. I also had them clean the sensor and check the shutter actuations (sensor clean was $30, but it needed it) and now my 40D is a clean and happy camper ready for another 30K clicks.</p>

<p>You said: " it's just <strong>a pain</strong> to see them every time you look through the view finder"<br>

You should send your camera to Canon.</p>