Don’t know where it came from, don’t know just when, but we were shooting at the beach the other day. No I did not change my lens so I don’t think it happened there. Doesn’t really matter in the end, dust is dust and dust just happens. Just had a bumper sticker thought...
Ok... Im back after a quick trip to CS5. Played with the brush tool and it is really cool. Took the 40D outside to the clear blue sky, dialed in F/22 in Av and clicked off a frame. Here it is,
The opening image was a blow up of the area. Shooting wide open these are not even noticeable but if you try to get any depth of field, it will rear it’s ugly head every time.
I pulled out the rocket and gave it a Blow... Ah... I used the air bulb cleaner to blow air on the sensor to dislodge any dust an these two spots remained. It was time to step up the action. One that have been dreading for a long time. Actually cleaning the sensor. Ug!
Off to the camera shop to pick up a sensor cleaning kit. It was $50 for them to do it or $19 for me. The Sensor SWAB is the same tool they use so how hard could it be?
The kit I purchased was the pre moistened swabs as they did not have the APS-C size kit. After using these though I kind of like not having to put the liquid on the swab.
The instructions in the package tells you to go one direction then the other while pressing the swab onto the sensor enough to bend the plastic stick the swab is attached to as shown below.
The dude at the camera shot said to go the same direction after flipping the swab. The key is to never use the same side of the swab twice. So I did it this way.
The result was pushing the dust to the right without lifting it off the surface. The image below is zoomed so you can see the remaining dust.
The result is below.
Well all the hype about cleaning your sensor is just that. Certainly you have to be a little carful in doing this but it is not difficult at all.
Happy days for a clean sensor.
Cya... Doug
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