cleaning inside 300D?

KvPhotoKvPhoto Registered Users Posts: 364 Major grins
edited September 2, 2006 in Accessories
Ok everytime I change lenses I get stuff stuck to the area inside underneath where the flash is. (Is that the sensor?) Up to now cleaning it with my supersoft lens cloth has worked fine but I am sick and tired of doing it every time I change lenses. This is only recently and has not affected my photos much except once. Please my Dgrin gods help me!!!

Comments

  • Scott_QuierScott_Quier Registered Users Posts: 6,524 Major grins
    edited August 19, 2006
    Kristina,

    Changing lenses exposes the the mirror box to dust. Some of that dust may be deposited on the sensor during exposure. But getting stuff "stuck" is strange. Without more information on what you are seeing, I would hazard a guess you are talking about dust settling on the mirror and/or the focusing screen. To get to the sensor, you have to access a special menu option (named "Sensor Cleaning", strangely enough), so I doubt you are cleaning that.

    I might suggest you get some sort of bulb blower and use that to clean the trash out of the mirror box and/or off the mirror/focusing screen rather that using some sort of cloth. The less you touch things on the inside of a camera the happier you will be.

    Hope that helps some. I'm sure there are others here with much better thoughts/advice on the subject.
  • pathfinderpathfinder Super Moderators Posts: 14,708 moderator
    edited August 19, 2006
    Do NOT go using a cloth inside the mirror box. VERY BAD IDEA!! :cry

    The mirror is a FRONT SURFACE mirror and very easily scratched.:cry And expensive to have replaced. Dust on the mirror can be blown off with a bulb blower or brushed off with LENS Brush, but is better just left alone unless it is really excessive.

    You are not seeing dust on the mirror or the sensor when you look through the viewfinder - you are seeing dust on the focusing screen beneath the pentaprism of your camera - the pyramid looking thing on the top of your camera body.

    The dust there can also be cleaned with a bulb blower or a lens brush. Again, unless there is a lot I recommend ignoring it. It WILL NOT be visible in your pictures at all, just when you look through the viewfinder. Is is harmless, unless it is driving you to distraction when looking through the viewfinder.

    I have several pieces of lint on my focusing screen - I just ignore them. Trying to hard to remove them can just make things worse.thumb.gif :uhoh
    Pathfinder - www.pathfinder.smugmug.com

    Moderator of the Technique Forum and Finishing School on Dgrin
  • KvPhotoKvPhoto Registered Users Posts: 364 Major grins
    edited August 21, 2006
    Yep I have since discovered that is the issue. I just went out this weekend on a photo safari to the zoo and my photos do not reflect the dust I see in the viewfinder so I am going to do my best to ignore it from now on.

    Thanks guys!
  • Dupont24Dupont24 Registered Users Posts: 237 Major grins
    edited September 2, 2006
    I have the same problem. So, how do I get the focus screen on a Canon Rebel XT?
    :clap Canon 40D and Canon 7D
    Canon 24-105mm f/4L IS EF USM, Canon 17-55mm f/2.8 IS EF-S (USM), Canon EF 70-200mm f/4L USM, Canon 50mm 1.8, and Canon Speedlite 430EX II, Bounce

    dome.http://moreno24.smugmug.com/
Sign In or Register to comment.