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#61
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First attempts
Did the test strip and a few test prints last night, and although I say so my self, I'm pleased with the first results.
I have attached it all for those that are interested to have a look at. The info about the lamp was pretty spot on, looking at the test strip I think there is very little difference between 15 and 20 min and no difference after 20 min, so have chosen 20 min as my exposure time. The test prints were printed in a block of 4 (2x2) and as you can see the post box and the penguin, which were one above the other seem to be a lighter blue than the baubles and skates. Not sure if this is due to me not coating the paper evenly or maybe they were right on the edge of the area covered by the light, but think for the time being will stick to smaller prints. I have ordered some of the paper recommended by Roy as a little bit cheaper than the paper in the kit, but have to say the paper in the kit is top notch and would have no problem recommending it. As usual any comments or observations most welcome Ian
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#62
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Hi Ian, they look fantastic. Are these more like photograms?
I'm also curious about the longevity of cyanotypes, so could you let us know about the colour intensity over time, please?
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MartyNL “Reaching a creative state of mind thru positive action is considered preferable to waiting for inspiration.” - Minor White, 1950 |
#63
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Hi Marty,
Had to look up what a photgram was, but having looked it up, yes these are photograms. My wife is a crafter and has cutting dies of all kind of things, all I did was place them on the coated paper under a piece of glass and expose. I will let you know about the colour as time goes on, it's something that I have been wondering too. Thanks for the positive comments, Ian
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#64
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Really nice Ian - and congrats to your wife too - very cute designs!
Cyanotype is yet another of those things I keep meaning to try but keep putting off. |
#65
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Quote:
Looking at the blues there does seem to be a very small increase in intensification at 25 mins which becomes quite noticeable to my eyes at 30 mins but I'd agree that 20 mins looks about the best but it is useful to know what a range of exposures gives you There may be occasions when a paler blue is called for Well done, Ian Mike |
#66
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Quote:
Going by the scans on the screen, I would agree with you that 20 minutes looks good for an exposure, which is also the exposure that I use with my lamp at the moment. So the lamp is obviously much stronger than the first one that I bought. From the scans, I can just about make out the very slightly lighter ones, so I think it is a good idea to stick to smaller, or only slightly larger ones with your lamp. I've been reading more, and have read about a guy in the US that sends out New Year cards, made from his cyanotypes, for which he uses a negative of some sort. That sounds like a nice idea and hopefully will be one I take up before next year. I've obviously got a lot of time to practice and decide on the negative or picture I'd like to use. Anyway, keep going, have fun and keep us all updated. Terry S |
#67
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EDIT: Just re-looking and although it's hard to tell on a monitor, but there may be a very slight difference between 20 and 25 minutes, so I might urge on the safe side and go for 25 minutes.
Terry S |
#68
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Just to clarify are these 4 prints each 2 inches by 2 inches such that if it had been one print then the limit looks to be a maximum of 8 x8 inches or does the gaps that I assume between each for cutting purposes make an 8x10 possible ?
Thanks Mike |
#69
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As for longevity of the cyanotypes, from what I've read, they are very stable, even when done on clothes like t-shirts, where they have to be washed. If there is any obvious fading, apparently if one puts the item in the dark for a day or two, the colour re-emerges. Terry S |
#70
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Quote:
Terry S |
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