Dust on my viewfinder,

jkovasc · 24-01-2006, 17:48

Does anyone have any tips on how to remove dust from the inside of a view finder, it's driving me mad! It's a canon 350d

fingerz · 24-01-2006, 17:52

It's notoriously difficult, I seem to recall reading. Not had to do it myself but would also be interested to know in case I need to in future.

Good luck.

RobertP · 24-01-2006, 17:58

I'd suggest it is only DIY for the brave.

You can buy 3rd party split screen style replacement focus screens. If you search Google you are bound to come across one. Not suggesting a new screen but they have pdf files you can download with instructions for removing and replacing the screen.

24-01-2006, 17:59

Whatever you do, do not attempt to shift it with the brush end of a lenspen :insert-embarassed-smiley-here:

Not that i've ever done that of course, oh no never not me never no never

jkovasc · 24-01-2006, 18:05

THANKS, i WILL HAVE A LOOK ON GOOGLE NOW AND LET YOU KNOW. Oops CAPS ON

jkovasc · 24-01-2006, 18:22

Ok, i found the document that Robertp mentioned and have had a quick read, pretty scary! I'm sure i can live with the dust for the moment until i get really brave. Thanks anyway.
P.S
the file can be found here if anyone is interested.

http://www.katzeyeoptics.com/ccp51/m...screen_20D.pdf

RobertP · 24-01-2006, 18:47

Quote:

Originally Posted by Marcel

Whatever you do, do not attempt to shift it with the brush end of a lenspen :insert-embarassed-smiley-here:

Not that i've ever done that of course, oh no never not me never no never

I have done just that successfully. However I blew the brush with canned air first so it had a static charge and 'magic duster' ed the dust off.

I guess if you wanted to try that kind of thing properly you need to read up on the charged brush sensor cleaning method (something I have not tried ).

CT · 24-01-2006, 19:03

This is something best left to a pro or you can end up with an awful mess. Have a look through Yellow Pages to see if you have any camera repairers in your area, who should be able to do the job in five minutes. The 20D has a removeable screen but don't be tempted to remove it. As it stands now the dust is probably on the outside (underside) of the screen. If you have difficulty getting the screen back in (and it's highly likely you will) you're likely to end up with dust, or worse, fingerprints, on the inside of the screen -effectively inside the prism housing. The inside surface, unlike the outside is a finely ground surface and will retain prints which can't be polished off.

Replacement screens come supplied with tweezers to assist fitting, but it's still a potentially troublesome job. I've made all the mistakes, so take my advice and don't do it.

CriPPle · 24-01-2006, 19:36

I have had dust in my viewfinder for ages, it's happened to every camera I have had, but in my opinion as long as you don't have dust spots on your pictures there's no point trying to do something about it......It's only gonna come back again sooner or later.

jkovasc · 24-01-2006, 19:39

thanks for the advise everyone, I will leave well alone.

24-01-2006, 17:48	#1 (permalink)
jkovasc New here Join Date: Jan 2006 Location: Wickham, Hampshire Posts: 25	Dust on my viewfinder, Does anyone have any tips on how to remove dust from the inside of a view finder, it's driving me mad! It's a canon 350d

24-01-2006, 19:03	#8 (permalink)
CT Feet under the table Join Date: Mar 2005 Location: West Mids UK Posts: 3,500	This is something best left to a pro or you can end up with an awful mess. Have a look through Yellow Pages to see if you have any camera repairers in your area, who should be able to do the job in five minutes. The 20D has a removeable screen but don't be tempted to remove it. As it stands now the dust is probably on the outside (underside) of the screen. If you have difficulty getting the screen back in (and it's highly likely you will) you're likely to end up with dust, or worse, fingerprints, on the inside of the screen -effectively inside the prism housing. The inside surface, unlike the outside is a finely ground surface and will retain prints which can't be polished off. Replacement screens come supplied with tweezers to assist fitting, but it's still a potentially troublesome job. I've made all the mistakes, so take my advice and don't do it. __________________ Canon 1DMk2N/ EF 50mm 1.4/ EF 17-40L/ EF180L Macro/ EF100-400L Canon 20D /17-85 EF-S 580EX Flashgun/ Gitzo Explorer

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24-01-2006, 17:52	#2 (permalink)
fingerz Forum Regular Join Date: Jul 2005 Posts: 790	It's notoriously difficult, I seem to recall reading. Not had to do it myself but would also be interested to know in case I need to in future. Good luck.

24-01-2006, 17:58	#3 (permalink)
RobertP Forum Regular Join Date: Sep 2005 Location: Woodford Essex Posts: 841	I'd suggest it is only DIY for the brave. You can buy 3rd party split screen style replacement focus screens. If you search Google you are bound to come across one. Not suggesting a new screen but they have pdf files you can download with instructions for removing and replacing the screen.

24-01-2006, 17:59	#4 (permalink)
Marcel Posts: n/a	Whatever you do, do not attempt to shift it with the brush end of a lenspen :insert-embarassed-smiley-here: Not that i've ever done that of course, oh no never not me never no never

24-01-2006, 18:05	#5 (permalink)
jkovasc New here Join Date: Jan 2006 Location: Wickham, Hampshire Posts: 25	THANKS, i WILL HAVE A LOOK ON GOOGLE NOW AND LET YOU KNOW. Oops CAPS ON

24-01-2006, 18:22	#6 (permalink)
jkovasc New here Join Date: Jan 2006 Location: Wickham, Hampshire Posts: 25	Ok, i found the document that Robertp mentioned and have had a quick read, pretty scary! I'm sure i can live with the dust for the moment until i get really brave. Thanks anyway. P.S the file can be found here if anyone is interested. http://www.katzeyeoptics.com/ccp51/m...screen_20D.pdf

24-01-2006, 19:36	#9 (permalink)
CriPPle Getting Comfy Join Date: Apr 2005 Location: Biggin Hill Posts: 238	I have had dust in my viewfinder for ages, it's happened to every camera I have had, but in my opinion as long as you don't have dust spots on your pictures there's no point trying to do something about it......It's only gonna come back again sooner or later.

24-01-2006, 19:39	#10 (permalink)
jkovasc New here Join Date: Jan 2006 Location: Wickham, Hampshire Posts: 25	thanks for the advise everyone, I will leave well alone.