Dirty sensor or filter?

AshleyKent

AshleyKent

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Ashley
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Morning all,

i took my camera to a camera shop a couple weeks ago (5D MKII) i was going to get the sensor cleaned but they said it wasnt dirty at all so no point in a clean. so i was thinking "hmmmmm", i have seen marks on the images. any specs are going to be a hassle to remove but this amount is a joke.

went out with the 10 Stop filter yesterday, there was a few specs of dust on the filter would this be picked up at F20 - F22? using a 17-40 F4L lens

below is an image straight out of the camera


dirty by AshleyKent, on Flickr

anyone got any sugestions?

Thanks
Ashley
 
The easy solution is to clean the filter first and do a test shot. If marks are still there then its your sensor. Is the lens clean?
 
Dirty sensor. Dust specks on the filter won't resolve to anything on the picture (they are too far away from the sensor). The 5D2 sensor seems to love dust - I have to clean mine quite regularly....
 
arad85 said:
Dirty sensor. Dust specks on the filter won't resolve to anything on the picture (they are too far away from the sensor). The 5D2 sensor seems to love dust - I have to clean mine quite regularly....
Click to expand...

yeah it is the sensor your correct, do you clean it yourself? also whats the best way apart from paying £30 - £50 for a shop to clean it each time
 
Some people swear by rocket blowers (~£8) but all that ever does for me is blow the dust somewhere else.

I wet clean and have an illuminated sensor loupe (glorified and very expensive magnifying glass at £50 but I find it invaluable), some swabs (~£20 for 10 so reasonably expensive) and some cleaning fluid (around £10 so expensive for what it is). Total cost about £80 but £50 of that was the loupe and I reuse swabs a couple of times (you're not supposed to in case the dust scratches the anti-alias filter) so will get 20-30 cleans from £30. That's cheap to getting someone else to do it - and it is pretty easy if you are careful.
 
milster said:
Don't know about the sensor but I know that pier, it's where I live ;)
Click to expand...

I also live in Paignton

arad85 said:
Some people swear by rocket blowers (~£8) but all that ever does for me is blow the dust somewhere else.

I wet clean and have an illuminated sensor loupe (glorified and very expensive magnifying glass at £50 but I find it invaluable), some swabs (~£20 for 10 so reasonably expensive) and some cleaning fluid (around £10 so expensive for what it is). Total cost about £80 but £50 of that was the loupe and I reuse swabs a couple of times (you're not supposed to in case the dust scratches the anti-alias filter) so will get 20-30 cleans from £30. That's cheap to getting someone else to do it - and it is pretty easy if you are careful.
Click to expand...

i do have a rocket blower but its not very good IMO the blow isnt strong enough to remove all of the dust. i may have to invest in a illuminated sensor loupe and swabs. cant be too hard to wipe a sensor... can it? :shrug:
 
AshleyKent said:
you got a link for the mag glass and wipes etc? or can get one :thumbs: thanks
Click to expand...
Do I have to do everything around here :p These are the ones I bought. You may find them cheaper elsewhere or find better alternatives.

Swabs:

http://www.crookedimaging.co.uk/product_info.php?products_id=1444

Fluid

http://www.crookedimaging.co.uk/product_info.php?cPath=31_165_499&products_id=11698

Loupe

http://www.amazon.co.uk/Visible-Dus...T21K/ref=sr_1_1?ie=UTF8&qid=1331467114&sr=8-1

(I lied - it was £80 :gag: :eek: ) so you might like to try:

http://www.amazon.co.uk/Lenspen-SKL...2?s=electronics&ie=UTF8&qid=1331467155&sr=1-2

which is a bit more sensibly priced....
 
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