Someone sent me this video and I thought I would pass it on to the group. This is a major undertaking. But the results seem like they are worth it. ...
Hello from a long-term lurker, perhaps someone could help me out with a geometrical optics question. As short as possible, it is -- what is the correct point...
Mikhail Konovalov
mvk_lists@...
Oct 6, 2008 6:05 pm
1704
... Me too! But I never managed to dig up a source here in Germany where I could get 5-inch roll film. So instead I built a 120 roll film rotating camera with...
Wonderful photo, Olaf! Perry ... From: Olaf Matthes To: cameramakers@yahoogroups.com Sent: Monday, October 06, 2008 12:29 PM Subject: Re: [cameramakers]...
Hi all, As retired optician I have some reflexions to give. About nodal point, pratically it seems to be not so critical as expected. About 20 years ago I make...
Michel Dusariez
dusariez@...
Oct 7, 2008 5:38 am
1708
First, call 877-909-4280 to find out what's available. Then, any good store should be able to order what you want. ... From: Mark Kronquist <mak@...> ...
Thanks everyone for your responses! Olaf, ... I was amazed to see a live example of a fully functional self-built camera of this type! Incredibly good result,...
Mikhail Konovalov
mvk_lists@...
Oct 7, 2008 4:08 pm
1710
Dear Mikhail , Thanks for your kind reply about the book I have check and I have still some copies to sell (35 euros postal sending everywhere) I have met in...
Michel Dusariez
dusariez@...
Oct 7, 2008 5:26 pm
1711
... I didn't show you how the first 20 films looked like. :-) ... All is made from raw parts. For the film transport I used a round piece of polycarbonate...
Olaf, A stepper motor (especially in the NEMA 17 or 23 sizes) has a fairly high torque for it's size, and you can get an exact speed easily, driving them is...
... I don't have a problem with the stepper motor (apart from the fact that at slow speeds it would need microstepping). The problem is the PWM driven DC motor...
Hi Myron, I realize I am responding to an old message but.. I called Porter's Camera & they no longer stock the nylon backed, rubber, darkroom cloth 60". Do...
Bellows from a process or sta camera or a large changing bag?...
Mark Kronquist
mak@...
Oct 8, 2008 7:36 pm
1716
No, unfortunately I don't know of another source for the material Porters sold. However, the last time I was in a large fabric store (a month ago), I saw an...
Myron Gochnauer
goch@...
Oct 9, 2008 1:28 am
1717
Sorry for not responding for so long, had to be out of town :( Michel, ... Thank you for your most kind offer! I have written to you privately regarding this. ...
Mikhail Konovalov
mvk_lists@...
Oct 10, 2008 2:06 pm
1718
Here's a material I've found. Water Proof Lycra ® Nylon http://www.ahh.biz/products/waterproof%20lycra.htm Hope this Helps. Jamie...
Maybe I missed something, but what is wrong with leather glued to a cotton or muslin substrate? There are plenty of rubberized glues that will work here, and...
We probably *could* manufacture bellows material like this, but I wonder whether uniformly thin leather is readily available...?? I haven't looked, since I am...
Myron Gochnauer
goch@...
Oct 13, 2008 12:29 pm
1721
Hmmm. Neat. Thanks. I wonder whether it is lightproof. Lycra is stretchy stuff. I've seen *some* materials that were waterproof but not lightproof. It looks...
Myron Gochnauer
goch@...
Oct 13, 2008 12:56 pm
1722
In the leather realm, look for glove leather. It's the thinnest and most flexible. Andy ... From: Myron Gochnauer <goch@...> Subject: Re: [cameramakers]...
On Mon, 13 Oct 2008 16:38:37 +0100, A Buck & G Wietelmann ... I've always used the light proof curtian material, that is used for home cinemas you have to line...
Hi , Looking for bellows materials. A number of years ago I purchased the two different layers of bellows materials in a bulk purchase from Rochester Bellows...
Here's some links for leather. Jamie Doe Kidskin Black 9125-01 Premium, glove-soft kidskin is specially tanned to feel like deerskin. It's ideal for making...
You could try Dolben Leathers in the UK. He sells goatskin skiver .5mm thick in a variety of colours. A whole skin is between £10-£12. He sells on Ebay. I...
I have two Koronas and am looking for suggestions on how to better stabilize the front and rear standards. The 8X10 is of Mahogany, probably from around 1930;...
I have loaded some pics of my newly built 5x4 field camera in the photos section under Norman. I had hoped that it would have been totally finished by now but...
Nice job Norman! Richard P. Grogan       Photographer  RPG Photographic Services   www.rpgphotoservices.com             281.772.6509 ...
... The copyright owner, KQED, asked that it be removed from yoyotube. Here is the KQED article: http://www.kqed.org/arts/programs/spark/profile.jsp?essid=6820...
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