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Dust on sensor, Sensor Brush = hogwash solution?



 
 
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  #1  
Old February 10th 05, 06:25 AM
MeMe
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Default Dust on sensor, Sensor Brush = hogwash solution?

I see the most recommended treatment /du jour/ for the vexing "dust
specks on sensor" with digital SLRs is a brush that is charged up by
spraying it with compressed air. Problem is, the company selling these
brushes is extorting money from people, IMO, by charging around $100 for
an item with a manufacture cost of pennies.

Their website (http://www.visibledust.com) states that an ordinary nylon
brush cannot be used for the following reasons:

"Sensor Brush™ has been designed from the start specifically as a
cleaning tool for delicate objects. There are many types of brushes in
the market but they are not designed to be sensor-cleaning tools. For
example, glues used in traditional brushes are quite destructive to the
surface of the ND filter glass or cover glass. The polymers contained in
many traditional brushes will cause a fatigued look on the glass due to
the staining of the sensor. There are also many deformities in the
brushes that are not visible by naked eyes. They can cause severe damage
by creating microscopic scratches, which after accumulating overtime
will create a fatigued look or catheter vision. We have done a lot of
research in these brushes to bring the highest quality products made for
the exact purpose of removing dust from delicate objects."

I think this is absolute hogwash!

- The glues used in synthetic brushes are in the ferrule, and will never
contact the sensor surface.

- Polymers (plastics) "staining" the sensor from an occasion light wipe
on the surface? Balderdash! Maybe -- MAYBE -- if you let the brush rest
for months against the sensor cover (also a plastic), some interaction
may occur, but I doubt it.

- Deformities in the brush not visible to the naked eye?! LOL! I have
inspected a typical nylon artist's brush with a microscope and I see
nary a "deformity" anywhere.

This "Sensor Brush (TM)" product will surely go down in the history of
photography as one of the worst scams of all time. How we are all going
to laugh in years to come!

I encourage everyone to go to an art supply store and buy a high quality
nylon brush for a couple of dollars, and a can of compressed air. Voila!
  #2  
Old February 10th 05, 11:06 AM
RichA
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On Wed, 09 Feb 2005 21:25:46 -0800, MeMe wrote:

I see the most recommended treatment /du jour/ for the vexing "dust
specks on sensor" with digital SLRs is a brush that is charged up by
spraying it with compressed air. Problem is, the company selling these
brushes is extorting money from people, IMO, by charging around $100 for
an item with a manufacture cost of pennies.

The only brushes that ever worked in an anti-static capacity
were for vinyl records and were treated with polonium.
-Rich
  #3  
Old February 10th 05, 01:58 PM
George
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"RichA" wrote in message
...
On Wed, 09 Feb 2005 21:25:46 -0800, MeMe wrote:

I see the most recommended treatment /du jour/ for the vexing "dust
specks on sensor" with digital SLRs is a brush that is charged up by
spraying it with compressed air. Problem is, the company selling these
brushes is extorting money from people, IMO, by charging around $100 for
an item with a manufacture cost of pennies.

The only brushes that ever worked in an anti-static capacity
were for vinyl records and were treated with polonium.
-Rich


And those ionized the air around them (i.e., made the air electrically
conductive).
Now, since you have to have your dSLR POWERED to have the mirror up
while cleaning the sensor, are you sure you want to introduce randomly
conductive
electrical paths?

George


  #4  
Old February 10th 05, 11:08 AM
RichA
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On Wed, 09 Feb 2005 21:25:46 -0800, MeMe wrote:

I see the most recommended treatment /du jour/ for the vexing "dust
specks on sensor" with digital SLRs is a brush that is charged up by
spraying it with compressed air. Problem is, the company selling these
brushes is extorting money from people, IMO, by charging around $100 for
an item with a manufacture cost of pennies.

The photography market has always been rife with
fraud. I once saw a darkroom faucet "adapter" that
cost $50 and split one faucet output into two.
Turns out, it was a hardware store hose splitter
worth about $6.00.
-Rich
  #5  
Old February 11th 05, 05:40 AM
DoN. Nichols
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In article ,
RichA wrote:
On Wed, 09 Feb 2005 21:25:46 -0800, MeMe wrote:

I see the most recommended treatment /du jour/ for the vexing "dust
specks on sensor" with digital SLRs is a brush that is charged up by
spraying it with compressed air. Problem is, the company selling these
brushes is extorting money from people, IMO, by charging around $100 for
an item with a manufacture cost of pennies.


The photography market has always been rife with
fraud. I once saw a darkroom faucet "adapter" that
cost $50 and split one faucet output into two.
Turns out, it was a hardware store hose splitter
worth about $6.00.


Even more rife with fraud is the high-end audiophile
marketplace. There are companies charging several hundred US dollars
*each* for wooden knobs for your preamp and amplifier, with the claim
that the wood makes them *sound* better. :-)

And the amazingly expensive power outlet strips, wall sockets,
and plugs, which claim to affect the sound output (without bothering to
replace all the wiring from the outlet back to the power transformer on
the street with silver wire of heavier gauge, which might have a *tiny*
effect on the sound, if only by providing more stable voltage, isolating
it from the varying loads in the house (but still no protection from
*external* variations. :-)

And the magic crystals which simply have to be put somewhere
between the amplifier and the speakers (not really *connected* to
anything).

When you pay enough (e.g. too much) for something, you are more
willing to believe that it did something beneficial than to believe
that you are a fool. :-)

Enjoy,
DoN.
--
Email: | Voice (all times): (703) 938-4564
(too) near Washington D.C. | http://www.d-and-d.com/dnichols/DoN.html
--- Black Holes are where God is dividing by zero ---
  #6  
Old February 10th 05, 07:40 PM
Bart van der Wolf
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"MeMe" wrote in message
news:mfCOd.57797$mt.13237@fed1read03...
SNIP
I think this is absolute hogwash!


Nobody is forcing you to buy their brushes. They work as promised on
my sensors.
SNIP

I encourage everyone to go to an art supply store and buy a high
quality nylon brush for a couple of dollars, and a can of compressed
air. Voila!


Why don't you take your own advice?

Bart

  #7  
Old February 11th 05, 04:11 AM
MeMe
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Bart van der Wolf wrote:

"MeMe" wrote in message

I think this is absolute hogwash!



Nobody is forcing you to buy their brushes. They work as promised on
my sensors. SNIP


Guess which asshole spent $100 on a $2 brush? LOL!
  #8  
Old February 11th 05, 05:35 AM
Ken Davey
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MeMe wrote:
Bart van der Wolf wrote:

"MeMe" wrote in message

I think this is absolute hogwash!



Nobody is forcing you to buy their brushes. They work as promised on
my sensors. SNIP


Guess which asshole spent $100 on a $2 brush? LOL!


And that would make someone who stuck a two dollar brush into a two thousand
dollar camera a......?
--
http://www.rupert.net/~solar
Return address supplied by 'spammotel'
http://www.spammotel.com


  #9  
Old February 11th 05, 06:49 AM
MeMe
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Ken Davey wrote:
MeMe wrote:

Bart van der Wolf wrote:

"MeMe" wrote in message


I think this is absolute hogwash!


Nobody is forcing you to buy their brushes. They work as promised
on my sensors. SNIP


Guess which asshole spent $100 on a $2 brush? LOL!



And that would make someone who stuck a two dollar brush into a two
thousand dollar camera a......?


.... a smart guy, if he knows what he's doing.
  #10  
Old February 11th 05, 07:10 AM
jean
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"MeMe" a écrit dans le message de
news:knVOd.63072$mt.54939@fed1read03...
Bart van der Wolf wrote:

"MeMe" wrote in message

I think this is absolute hogwash!



Nobody is forcing you to buy their brushes. They work as promised on
my sensors. SNIP


Guess which asshole spent $100 on a $2 brush? LOL!


Well, count me in the asshole group, for some weird reason, I did not want
to dunk a swab in liquid and streak it across MY camera's sensor nor did I
want to use a $2 brush to remove the dust particles the bulb did not remove.
What you do with your camera and your money is your business, what I do with
mine is my business. If it didn't work, I would have felt like I was
screwed, since it works, then I am happy.

Jean

PS Yes, I am from Canada, but my camera is from Japan, probably just like
yours, does that mean only Japanese can say their cameras work?


 




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