Is it a dust blob?

fatter · 28-05-2012, 9:47 PM

I bought my Benq w1100 about 2 months ago; after one month (maybe it was there from the beginning, but I have not noticed it) I started to notice like a blob on dark scenes only (I attached 2 pictures). My fear is it is not a dust blob, but something else. Can you help me?

Thank to everybody

PS sorry for my English

Paolo

bravogolf · 28-05-2012, 9:50 PM

Hmmm, looks like a dust blob to me but can't be certain. I'm sure some of the more experienced folk here can give a better answer than me, sorry!

fatter · 29-05-2012, 9:21 PM

Thanks for your reply; my doubt is that the blob seems almost a perfect circle, is it possible speaking about dust?

kbfern · 29-05-2012, 9:31 PM

To see if it is dust turn your focus ring fully one way then the other if it is dust it should come into focus as a tint spec of dust.

fatter · 30-05-2012, 9:22 PM

Thank you for the answer; turning focus ring fully one way the blob comes into focus (and using also zoom ring, with the smallest size is more visible), but the tint is always the same, doesn't change: light grey like the attached pictures

bravogolf · 30-05-2012, 9:52 PM

Then it's a dust blob! Not sure what's recommended to remove. I remember my Sanyo recommended blowing at it but better check the manual

28-05-2012, 9:47 PM	#1
fatter New Member Join Date: May 2012 Thanks: Gave 0, Got 0 Posts: 3	Is it a dust blob? Advertisement Want to Advertise? I bought my Benq w1100 about 2 months ago; after one month (maybe it was there from the beginning, but I have not noticed it) I started to notice like a blob on dark scenes only (I attached 2 pictures). My fear is it is not a dust blob, but something else. Can you help me? Thank to everybody PS sorry for my English Paolo Attached Thumbnails
	Quote

28-05-2012, 9:50 PM	#2
bravogolf Senior Member Join Date: Mar 2006 Thanks: Gave 131, Got 94 Posts: 1,191	Hmmm, looks like a dust blob to me but can't be certain. I'm sure some of the more experienced folk here can give a better answer than me, sorry!
	Quote

29-05-2012, 9:21 PM	#3
fatter New Member Join Date: May 2012 Thanks: Gave 0, Got 0 Posts: 3	Thanks for your reply; my doubt is that the blob seems almost a perfect circle, is it possible speaking about dust?
	Quote

29-05-2012, 9:31 PM	#4
kbfern Distinguished Member Join Date: Aug 2002 Location: Wolverhampton Thanks: Gave 958, Got 1,924 Posts: 11,394	To see if it is dust turn your focus ring fully one way then the other if it is dust it should come into focus as a tint spec of dust.
	Quote

30-05-2012, 9:22 PM	#5
fatter New Member Join Date: May 2012 Thanks: Gave 0, Got 0 Posts: 3	Thank you for the answer; turning focus ring fully one way the blob comes into focus (and using also zoom ring, with the smallest size is more visible), but the tint is always the same, doesn't change: light grey like the attached pictures
	Quote

30-05-2012, 9:52 PM	#6
bravogolf Senior Member Join Date: Mar 2006 Thanks: Gave 131, Got 94 Posts: 1,191	Then it's a dust blob! Not sure what's recommended to remove. I remember my Sanyo recommended blowing at it but better check the manual
	Quote

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Is it a dust blob?