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Quality Images and Videos Post your own images and videos of your own days |
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#16 | |
To shreds, you say?
Join Date: Aug 2004
Location: in the house and on the street-how many, many feet we meet!
Posts: 18,449
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I've always wanted to do that to a scanner, I lack the real motivation to follow it through. I know I'd get about as far as gaffer taping things together, and then dragging my desk closer to the window... Thanks for the tip drill tip. I was just about a block away from a welding supply store the other day and I spaced it. Filters wouldn't do much since the emulsion is essentially B&W. Or Brown, orange and white. The color is introduced in photoshop. Actually it is hard to decide on a color. They all look cool.
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#17 |
Colloquialist
Join Date: Jul 2003
Location: SiliValley
Posts: 75
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Day to Day changes
The biggest change in day-to-day position of the sun is around the equinox. The days are getting longer by twice as much now as they did at the beginning of January.
So to get the biggest change from one day to the next, do it in March. It might also be interesting to do a run that ends at the equinox. I wonder if you would be able to see the difference increasing as it "accelerates". Last edited by hampor; 02-02-2005 at 01:16 AM. |
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#18 | |
To shreds, you say?
Join Date: Aug 2004
Location: in the house and on the street-how many, many feet we meet!
Posts: 18,449
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Quote:
Well, they aren't really all that fast. Thanks for the tip. Want a camera?
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#19 |
LONG LIVE KING ZIPPY! per Feetz
Join Date: Mar 2003
Location: Arkansas
Posts: 7,661
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Filters wouldn't do much since the emulsion is essentially B&W. Or Brown, orange and white.
I am no expert but you can lighten and darken and do other things with BW film if you use a colored filter , Orange lightens the pic , light blue darkens it , red has an effect as well , look around on the web for BW film filter info . Just a thought .
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"Success is getting what you want. Happiness is wanting what you get. " Brother Dave Gardner |
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#20 | |
To shreds, you say?
Join Date: Aug 2004
Location: in the house and on the street-how many, many feet we meet!
Posts: 18,449
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Quote:
True. Most bw film is panchromatic,ie sensitive to all wavelengths or colors of light, falling off in sensitivity at the near infrared end. Some emulsions are hypersensitive to blue light or UV. Some films are more sensitive under incandescent. Tri-x for example, is rated at asa 400 but under incandescent light it is about 500 asa. There are IR films and some that are blue sensitive only. Using filters with these films changes the tonal relationship of the subjects by allowing more or less relative exposure to the subjects depending if they are similarly or differently colored than the filters. eg Red lightens red and darkens blue. Green lightens green and darkens red, etc. The film for these cameras is actually Printing out paper (http://www.albumenworks.com/printing-out-paper.html) it is sensitive to the blue end (UV) of the spectrum and is fairly insensitive at that. to make a contact print form a negative it needs about 2 minutes to 5 hours of exposure to direct sunlight. That is why it needs days or weeks in a pinhole camera. So you could put a filter in front of the camera but two things would happen. First, most filter material inherently filters out UV light, so you would be cutting down your overall exposure. Second, since the emulsion is sensitive to blue light only, then any filter that cuts blue light (yellow, orange, red) would also only be reducing overall exposure, without lightening the reds, yellows and oranges since the film isn't sensitive to those colors anyway. A filter that passed blue light (blue, violet, green) would still have an exposure limiting effect by virtue of the filter's density and inherent UV filtering and wouldn't lighten those areas relative to the other ones since the film is blind to anything but blue light. Probably more than you wanted to know, and quite possibly some errors here. This is off the top of my head and I have been suffering a bit from CRAFT lately... I'll dig around and see if I can find some of my bw filter experiments.
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#21 |
LONG LIVE KING ZIPPY! per Feetz
Join Date: Mar 2003
Location: Arkansas
Posts: 7,661
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By ALL meens dig around for those pics !!!!!!
You covered what i was trying to express in my know just enough to know i don't know what i think i know but i get the concept sorta kinda way .
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"Success is getting what you want. Happiness is wanting what you get. " Brother Dave Gardner |
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#22 |
The future is unwritten
Join Date: Oct 2002
Posts: 71,105
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I got mine.
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The descent of man ~ Nixon, Friedman, Reagan, Trump. |
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#23 | |
Goon Squad Leader
Join Date: Nov 2004
Location: Seattle
Posts: 27,063
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two ideas
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what about cutting a larger hole, say quarter sized, dime whatever, then covering that larger hole with some opaque material that is softer, like electrician's tape. then poking your hole in the tape with something smaller, like a needle. then you could make more than one try, you know, do-overs if it was not satisfactory. you could easily control the piercing with the softer material. another idea. if you divided the can with a partition and made two separate image areas, could you do a stereoscopic pair of images? maybe just two cans lashed together. I do like your images, they are very artistic. I would like to try this myself. at almost 48 deg lat we get considerable movement of the sun in the sky south to north in the springtime.
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#24 | |||
To shreds, you say?
Join Date: Aug 2004
Location: in the house and on the street-how many, many feet we meet!
Posts: 18,449
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Quote:
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The internet is a hateful stew of vomit you can never take completely seriously. - Her Fobs |
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#25 |
Goon Squad Leader
Join Date: Nov 2004
Location: Seattle
Posts: 27,063
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Thanks, 3ft, I will rig up a can or two. I haven't done any research yet on how to setup the "canera", do you have any specifics? Drawings? Links?
Thanks in advance.
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#26 |
King Of Wishful Thinking
Join Date: Jan 2001
Location: Philadelphia Suburbs
Posts: 6,669
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Since I'm in a valley I need some height, so the best solution is to duct tape it outside my home office window, which faces mostly southward. I just opened the window to check the ledge, now all I need is to find some duct tape.
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Exercise your rights and remember your obligations - VOTE!I have always believed that hope is that stubborn thing inside us that insists, despite all the evidence to the contrary, that something better awaits us so long as we have the courage to keep reaching, to keep working, to keep fighting. -- Barack Hussein Obama |
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#27 |
lobber of scimitars
Join Date: Jul 2001
Location: Phila Burbs
Posts: 20,774
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Don't you have any left in your homeland security emergency kit?
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#28 | |
King Of Wishful Thinking
Join Date: Jan 2001
Location: Philadelphia Suburbs
Posts: 6,669
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Exercise your rights and remember your obligations - VOTE!I have always believed that hope is that stubborn thing inside us that insists, despite all the evidence to the contrary, that something better awaits us so long as we have the courage to keep reaching, to keep working, to keep fighting. -- Barack Hussein Obama |
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#29 |
Resident President
Join Date: Jul 2004
Posts: 86
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I taped my camera can in place on an upward angle on the window. Since I'm only opening it on Sundays, it has to be accessible but stationary so that the image doesn't move from Sunday to Sunday.
I just learned that I'm going to have to move out sometime in mid March but I'll see if i can get my now ex partner to keep up the tape on and off until the solstice. sigh |
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#30 |
changed his status to single
Join Date: Apr 2004
Location: Right behind you. No, the other side.
Posts: 10,308
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my 28 days are almost up. i have to box it up and send it back on the 17th. i can't wait to start seeing how all of these turn out.
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Getting knocked down is no sin, it's not getting back up that's the sin |
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