Mine bayonet into place, and haven't leaked any light with a pinhole in
place. You just have to be a little careful when you get them.
Cheers
Mike
On Thursday, October 24, 2002, at 10:11 PM, John Yeo wrote:
Does the pentax K body cap lock into the bayonet mount? The one I
have is
just a
- Original Message -
From: Beaker mbea...@mac.com
I'm thinking of getting a sheet of Zone Plates made for a Pentax K
mount body cap (optimized for 43 mm). Would anyone be interested in
buying any? The reason I ask, the negative will cost something like $50
to $75, (the shop has a $50
Does the pentax K body cap lock into the bayonet mount? The one I have is
just a pressure fit, and I am afraid it would come off really easily or leak
light.
John
- Original Message -
From: Beaker mbea...@mac.com
To: pinhole-discussion@p at ???
Sent: Thursday, October 24, 2002 6:39
Hi-
I'm thinking of getting a sheet of Zone Plates made for a Pentax K
mount body cap (optimized for 43 mm). Would anyone be interested in
buying any? The reason I ask, the negative will cost something like $50
to $75, (the shop has a $50 minimum.) and I would like to spread the
cost out a
Hi:
Nitric acid is kind of nasty. I've used tannic acid to tone cyanotypes
On Thu, 24 Oct 2002, dennis vinciguerra wrote:
Hello all,
Certain cyanotype images work very well in blue, some in brown but then
there are those that need to be black. The formula I have calls for nitric
acid but
try here to find nitric acid.
http://www.brainerdchemical.com/frameset_cat.htm
this site has a couple of toning recipes too:
http://www.bostick-sullivan.com/c_cyano.htm
Scott W.
- Original Message -
From: dennis vinciguerra vinciguer...@compuserve.com
To: Pinhole-Discussion@p at
Hello all,
Certain cyanotype images work very well in blue, some in brown but then
there are those that need to be black. The formula I have calls for nitric
acid but I'm not having any luck locating it. Anyone have either a source
or another black toning formula ?
Thank you,
Dennis
I would like (desperately!) to unsubscribe to the pinhole visions list. I
followed your directions to discussions submenu. Nothing comes up.Previously
there was a subscibe but no unsubscibe button. Now there is a blank page with
your menu at the top. Please help. I have been stuck on this
Indeed!
Pinhole: one of the most interesting bits of useless information I have
come across for a long time... Has anyone started in on the t-shirts yet?
If so, I do hope they remember to give Dr. Samuelson his due credit.
Mike Healy
- Original Message -
From: gregg b. mc neill
To:
Pinhole: one of the most interesting bits of useless information I have
come across for a long time... Has anyone started in on the t-shirts yet?
If so, I do hope they remember to give Dr. Samuelson his due credit.
Mike Healy
- Original Message -
From: gregg b. mc neill
To:
hey pinholers,
this is a post from the Cinematography mailing list I belong to. I thought
some of you might be interested in this, particulaly in the submission of a
photograph to be (potentially) included in this VERY well respected
magazine.
gb mcneill
Very interesting, because I am
Good morning, Gordon,
I would be very interested in contributing, if you
think that would be possible. Did you have any
particular technique in mind or would anything be
useful to you? I had been asked to put something
together for the club I belong to, I gave a small
presentation about Polaroid
In a message dated 10/23/02 8:40:41 PM, neuhausph...@aol.com writes:
Not really...the intense blue achieved with the H2O2 bath just quick
forces
the dark blue that will naturally occur with normal drying...kind of like a
preview.
Exactly
leezy
When a cyanotype is made it looks gorgeous when wet. As it dries it looks
lighter. After the cyanotyoe is dry the pigment (prussian blue) oxidizes
and gradually turns darker.
hydrogen peroxide oxidized the pigment immediately.
Its not the drying process that makes it go darker - its the
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