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 Post subject: Some help for a newb
PostPosted: Mon Mar 31, 2008 5:50 am 
so i was shooting around in a parking lot today when i noticed a black dot on the left side of my viewfinder on my 2 week old d60.

so when i got home i took out the lens and spotted the cause of it.

it seems to be inside the glass above the mirror.

any idea on how to get it out?

*it doesn't appear in pictures, but its an extreme bother to me. i just paid hundreds of dollars for this dlsr and now it's dirty already.


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 Post subject:
PostPosted: Mon Mar 31, 2008 2:17 pm 
Can you post an image form your D60? In all likelihood it's a dust spot, but I can't rule out something more sinister without seeing an image from the camera... If it's a dust spot, there are many things you can do to remove it, but first things first, can we see the "black spot" you describe in an image from the camera? Though not visible in your photos so far, find a bright white wall and close the aperture to the smallest it will go. Then it might show up.

Perhaps I'm a cynic, but anti-dust mechanisms are more a marketing tool than anything. Dust will always get in somehow.


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 Post subject:
PostPosted: Mon Mar 31, 2008 4:27 pm 
well actually it shows up at f16+....

i just tried it after snooping around the search function. i'll be going to ritz today to grab an air bulb.


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 Post subject:
PostPosted: Mon Mar 31, 2008 4:46 pm 
yes thats what he means by smallest aperture, i.e smallest hole the biggest one being F4 (letting the most amount of light in with biggest hole). The smaller apertures/higher aperture numbers will show up dust more. Point the lens to the sky, take a shot at the highest aperture 'number' and it will show the dust. Either use a rocket blower or get a specialist to clean the sensor for you.


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 Post subject:
PostPosted: Tue Apr 01, 2008 2:06 am 
they were asking $110USD to clean it..

BAGH!


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 Post subject:
PostPosted: Tue Apr 01, 2008 2:31 am 
i paid £30 or $60 for a sensor cleaning. I'm sure you can have the glass cleaned for less.


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 Post subject:
PostPosted: Tue Apr 01, 2008 2:38 am 
Image

below is a link to a shot with the dust
http://s44.photobucket.com/albums/f42/p ... 85ba43.jpg

its on the upper left hand side...lil black speck. it's not too bad actually and it only shows up at f14+.

thats an actual photo of the speck.

yeah...ritz wanted 110$ with a 2 week turn around time.

i'll have to look around for a cheaper place.


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 Post subject:
PostPosted: Tue Apr 01, 2008 2:57 am 
see I cant be certain that thats dust on the sensor. You really need to take a photo of the sky outside, middle of the day sort of time, not into the sun obviously, but at around f16 and up. zoomed in all the way, and one all the way out. then post those. Go to a brick and mortar camera shop that does sensor cleaning, and see what prices they can quote you. Check back with those sky pics when you get a chance.


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 Post subject:
PostPosted: Tue Apr 01, 2008 3:35 am 
http://s44.photobucket.com/albums/f42/p ... 474522.jpg

there's a pic of the sky i took this morning...

i'll put the zoom pics tommorow.

f22
1/640s


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 Post subject:
PostPosted: Tue Apr 01, 2008 2:49 pm 
yeah, i can see one far left corner and one in the middle upper top half of the shot. I'd go for a sensor clean, looks like you got two dust bunnies there. Have you tried a giottos rocket blower? Get one of those before you shell out for a sensor clean.


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 Post subject:
PostPosted: Wed Apr 02, 2008 7:22 am 
i got rid of the one on the right. but the top one is sticking around.

*

i'm not using a rocket but i am using the suction bulb from the hospital. i noticed that they're pretty much the same thing.

edit:

the black dot is actually a scratch on the mirror. (thank God it's not the sensor)

and the speck on the left of the AF point is behind the focusing screen- if anyone could, would they please point me toward the directions needed to get behind there?


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 Post subject:
PostPosted: Wed Apr 02, 2008 9:23 am 
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Joined: Fri Jun 01, 2007 12:40 am
Posts: 1330
Location: Scotland
How do you know it's a scratch? Looks like dust to me. I'd go buy a Giottos Rocket blower and give that a try before anything else. I see marks like that pretty regularly and the blower removes them every time.

Zorro 8)

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Various lenses, SB800 & Manfrotto 190 with 460MG head


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 Post subject:
PostPosted: Tue Apr 08, 2008 6:11 am 
hmm...got the rocket and it didnt do much. got rid of some dust...but ultimately did nothing.

is there some sort of technique to this?

i followed their steps on this site, pointing the camera down with the mirror lock and blew the heck out of it to no avail.

any help fellas?


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 Post subject:
PostPosted: Tue Apr 08, 2008 6:19 am 
Are you still referring to the focusing screen? It could be that the speck is slightly moist and is "glued" to the surface. You could try physical contact with the focusing screen although that is a little risky. The fine brush on the SensorKlear pen then I used is designed for such purposes so perhaps you could use that or something similar.

At your own risk though, a professional cleaning would be the safest albeit at a cost.


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 Post subject:
PostPosted: Tue Apr 08, 2008 6:33 am 
nope. that one speck that is on top of the pic i posted..

quick question...

does the CCD function like the human eye?in which pictures are taken upside down?

ps- i found where some of the specks are...

...inside the lens- any help guys?


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