Just wanted to let this group know that f295 has started a new Do-It-Yourself (DIY) photography forum dedicated to the art and craft of building your own...
I think they are known as Kiev 88 and there are a couple of user groups, you may want to google the name and browse for info or posts for tips, if the backs...
Hi all. My first post! I have a Prontor Magnetic E/100 shutter, 21x21 cm plate with 10cm across the aperture. Want to use it behind a number of large lenses- ...
Lucky find! Local camera repair places for me wouldn't have anything that exotic. Stay away from Scambridge! Or, if you like, order one of their "new in box"...
... The reason for the hole pattern is that the Schmidt camera has a convex focal plane and the film has to be "bent" to match the curvature of the focal...
... <blockquote>This camera was sold with, if I remember correctly, 3 different rail lengths. You have the longest of the three. I have the same rail and it...
Thanks for the followup, Dave K. , source in astrophotographer group also replied about the Schmidt's sperical film support. My latest thinking for my...
Dave, I'd like to see your progress. I'm also interested in finding info on how a + air pressure (fan,blower, pump) can create a vacuum. I saw a vacuum once...
FWIW, I've made my own vacuum easel using a mains-powered mini vacuum cleaner. It's got enough suction to hold any size paper up to 12x16 which is the size of...
... Me too, but it's 1 of about 3 camera projects of about a dozen goofy 1/2 done things. Of 6 lubitels bought for this thing 1 came with a broken reflex...
There is something called a 'venturi vacuum pump' that operates from a compressed air source. Seems to me that this would be better than a 'tank o vacuum'...
I have some speed Graphic parts for sale. If someone is interested contact me off list. I am an eBay dealer so I am offering them to this group first before I...
First of all, a USB powered vacuum makes more noise than vacuum. A household vacuum cleaner uses about 1000 Watts to get the suction power. There is nothing...
I need a number of Speed Graphic parts whatcha got thanks mak@......
mak@...
Mar 14, 2006 9:51 pm
1139
Am I the only one that replied off list :O)? Note the " :O) ", just laughing. __________________________________________________ Do You Yahoo!? Tired of spam?...
A very long time ago wind knob design was discussed here. I remember someone explaining a shaft in a cup and a series of ball around the shaft. This would be a...
A disposable camera when taken apart would given you the general idea by examining the film wind mechanism. James Johnston...
James301@...
Mar 24, 2006 9:53 pm
1142
I envision the concept of a multi-speed bicycle freewheel gear cluster...pawl springs allow torque to be applied in one direction, and are pushed out of the ...
Hi You can also use a one way bearing so there is no "ratchet" or click click sound : ) just smooth constant one way ...... Might be troublesome if you need to...
Take a look at http://www.idicb.com/dynacorp/PDF/Wrap-Spring/Dynacorp-WrapSp-SC.pdf for a design using a coiled spring instead of a ratchet mechanism. I've...
After a bit of rumination on the subject and some of your suggestions I remembered the configuration I was thinking about. This will be for roll film (120) so...
Won’t this design require that the camera be in a specified orientation if you depend on gravity to position the balls? I have a Calumet Roll Film Back C2...
The one I have holds my 4x5 Zone VI, three lenses, light meter, Polaroid holder, readyloads, filters, and a little Bogen tabletop tripod. Kinda heavy, tho. ...
I wonder if any of those mechanical parts companies that carry polymer sleeve bushings, bearings, etc have something that goes over a shaft and slips in one ...
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