Where to get vacuum anti-moisture drybox?


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aQuApHiLe

New Member
May 31, 2006
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Eastern Singapore
#1
Hi,

Would like to get a vacuum anti-moisture drybox. Anyone knows any shops selling this?

Thanks

aQuaPhiLe
 

Rashkae

Senior Member
Nov 28, 2005
19,105
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#2
vacuum? Rare. We usually use a drycabinet.
 

sORe-EyEz

Senior Member
Jun 28, 2005
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SGee
#3
CP has them, but they're not very big. capacity for 1 body + kit lense, & another telezoom.
 

Rashkae

Senior Member
Nov 28, 2005
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#4
CP has them, but they're not very big. capacity for 1 body + kit lense, & another telezoom.
So you attach a vacuum cleaner to it and it sucks the air out?
 

sORe-EyEz

Senior Member
Jun 28, 2005
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#6
So you attach a vacuum cleaner to it and it sucks the air out?
no, thats more for bags, cos the moment the vacuum tube is removed air would go back in.

it works by hand activiting an air pump, like pumping bicycle tyre. then there's a guage so it will not implode.
 

Rashkae

Senior Member
Nov 28, 2005
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#8
no, thats more for bags, cos the moment the vacuum tube is removed air would go back in.

it works by hand activiting an air pump, like pumping bicycle tyre. then there's a guage so it will not implode.
ooooh... Quite interesting!
 

Octarine

Moderator
Staff member
Jan 3, 2008
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Pasir Ris
#9
Why would one like to create a vacuum inside the box? If there is any leak then the air from outside (including moisture, dust and whatnot) will be sucked in. Common practice to prevent this is setting the inside under slightly higher pressure. If there is any leak then air goes out instead and the inside stays clean. Secondly, by blowing air in it can be cleaned and dehumidified before (similar to compressors used for dive equipment).
 

sORe-EyEz

Senior Member
Jun 28, 2005
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#11
ooooh... Quite interesting!
sounds so but just airtight better. dun need extra step to pump air out & release pressure when open or close the box.

Will the differential pressure cause any problem to the sensor and other delicate electronics inside the camera?
not sure, but i dun think the pieces of glass in the lense would get sucked out of its place... :sweatsm:
 

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