Re: [pinhole-discussion] Electrical tape for pinhole purposes

2001-09-19 Thread R Duarte
I used strapping tape to make this camera..
http://www.rahji.com/images/composinglines.jpg
then used gaffer's tape over all of the joints just to make it light tight.
the strapping tape makes a really strong box though.

rob

 From: George L Smyth glsm...@yahoo.com
 Reply-To: pinhole-discussion@p at ???
 Date: Wed, 19 Sep 2001 12:45:03 -0700 (PDT)
 To: pinhole-discussion@p at ???
 Subject: Re: [pinhole-discussion] Electrical tape for pinhole purposes
 
 
 --- Nick Dvoracek dvora...@vaxa.cis.uwosh.edu wrote:
 About 10 years ago I got the same idea about cheap electrical tape.
 Tried it out and it seemed to work great, so I ordered about 100
 rolls for a project to provide pinhole cameras to schools.  Most of
 it hardly stuck at all and the rest came loose pretty quick.  Maybe
 it's OK for making metal pintoids light tight, but I wouldn't
 recommend it for assembling foamcore or matboard cameras. A physicist
 I know also told me it's not opaque in the infrared if you're into
 that!
 
 This is correct.  I use electrical tape to amke my foamcore cameras, but then,
 they've always been designed with the expectation that I'll eventually sit on
 them and destroy them anyway.
 
 It is true that electrical tape is not infrared opaque, but then I rather
 doubt
 that foamcore or matboard is either, so that's a moot point.  OTOH, although
 different types of wood have different degrees of infrared opacity, I have
 used
 pine (which is probably about the least opaque wood) with infrared with
 success, so thickness probably enters into the scene.
 
 Cheers -
 
 george
 
 =
 Handmade Photographic Images
 http://members.home.net/hmpi/
 
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Re: [pinhole-discussion] Electrical tape for pinhole purposes

2001-09-19 Thread Kosinski Family
Most of it hardly stuck at all and the rest came loose pretty quick

vinyl tape is pretty strong, if you stretch it out and put it on an object
it will shrink back and the adhesive will let go... the trick is to let it
relax back to its original size after you pull it off the roll, then apply
it

of course, if it's just bad tape there's nothing you can do about it
jim k




Re: [pinhole-discussion] Electrical tape for pinhole purposes

2001-09-19 Thread George L Smyth
--- Nick Dvoracek dvora...@vaxa.cis.uwosh.edu wrote:
 About 10 years ago I got the same idea about cheap electrical tape. 
 Tried it out and it seemed to work great, so I ordered about 100 
 rolls for a project to provide pinhole cameras to schools.  Most of 
 it hardly stuck at all and the rest came loose pretty quick.  Maybe 
 it's OK for making metal pintoids light tight, but I wouldn't 
 recommend it for assembling foamcore or matboard cameras. A physicist 
 I know also told me it's not opaque in the infrared if you're into 
 that!

This is correct.  I use electrical tape to amke my foamcore cameras, but then,
they've always been designed with the expectation that I'll eventually sit on
them and destroy them anyway.

It is true that electrical tape is not infrared opaque, but then I rather doubt
that foamcore or matboard is either, so that's a moot point.  OTOH, although
different types of wood have different degrees of infrared opacity, I have used
pine (which is probably about the least opaque wood) with infrared with
success, so thickness probably enters into the scene.

Cheers -

george

=
Handmade Photographic Images
http://members.home.net/hmpi/

__
Terrorist Attacks on U.S. - How can you help?
Donate cash, emergency relief information
http://dailynews.yahoo.com/fc/US/Emergency_Information/



[pinhole-discussion] Electrical tape for pinhole purposes

2001-09-19 Thread Nick Dvoracek
About 10 years ago I got the same idea about cheap electrical tape. 
Tried it out and it seemed to work great, so I ordered about 100 
rolls for a project to provide pinhole cameras to schools.  Most of 
it hardly stuck at all and the rest came loose pretty quick.  Maybe 
it's OK for making metal pintoids light tight, but I wouldn't 
recommend it for assembling foamcore or matboard cameras. A physicist 
I know also told me it's not opaque in the infrared if you're into 
that!



Guy wrote: .  How did you get them light tight?  Did you wrap some
 tape around to seal the light away?  I suppose that you loaded them in a
 light-tight bag.  How many would you carry around with you on a typical
 day?

. That got
expensive. I've found electrical tape on sale ... three rolls for a buck. I
made over one hundred Pintoids. 
Marcy Merrill
Photographer
www.merrillphoto.com


--
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