How to remove dust from my shots?

[r_j_k_p]

basically was playing around with the camera, and i shot a few pics just inside my room at different apertures.
I startet f/3.5 then f/11, then f/16 then finally f/22

when reviewing them on the pc, the pic at f/22 was SO SO dirty (like you could see dust marks) in comarison to the one at f/3.5
now i know that is fairly normal and to be expected, but is there any way to reduce the dust marks.
I even tried cleaning the lenses with a microfibre cloth and the shutter..

i've installed the canons software disk and thought there was a program in there that helps eliminate this, but i couldnt find it.

I also tried dust delete data, but it said "could not obtain the data"


here is the pic at f/22:









Many Thanks

[r_j_k_p]

i opened digital photo professional 3.2
and went to tools, --> start stamp tool

but the "apply dust delete data" is unpressable..

[Bobster]

how about taking a pic of a non-textured object, paper for example, so we can see the full extent of the dust, so you've done a sensor clean? (have you got some lens cleaning solution?

[r_j_k_p]

and yes i had just turned the camera on and off which cleans the sensor.

unfortunately i dont have lens cleaning solution but i did go at it with microfibre cloths and a suede like material cloth.

[Bobster]

which f stop did you start noticing the dust?

you could do your own sensor clean, a budstick and some lens cleaning solution (but be carefull you don't scratch the glass covering the sensor!)

[r_j_k_p]

well my 1st shot at f/3.5 was clean
but my 2nd shot at f/11 had some dust... (didnt take any inbetween these f-stops)

i will head to jessops or something and get some lens cleaning solution..
is there any you can recommend?

[BUFF]

get something like a Giotto rocket blower too.

[r_j_k_p]

question:
see all these dust marks; are they the result of dust on my lens... or dust on my sensor..

because surely, if they were as a result of dust on the sensor, the dust would be in all pictures, not just pictures with low apertures.

[BUFF]

easy way to find out for sure if you have another lens, swap & take some more photos.
Compare the shots from the 2 lenses.

The smaller aperture will make dust spots more obvious than wide.
Luminous Landscape Forum -> Test shots after dust removal; why small aperture?