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> 'Pulling' B&W Film development |
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#31
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An ES bulb is unfortunately no use in a Durst enlarger that uses the tungsten/halogen bulb that has the fitting I mentioned. It might be that LEDs in the fitting that is needed will never be made as that fitting is for a market that is just too small to be bothered about
If this is the case then it's a pity but there we are. Mike |
#32
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Led
I am grasping at straws here but the lamp bases are the same, It may or may not be the difference between dimmable and not dimmable, but my money is still with my timer not being compatible.
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#33
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My experience with room lights is that a non-dimmable bulb flickers maddeningly if used in a dimmable light source.
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MartyNL “Reaching a creative state of mind thru positive action is considered preferable to waiting for inspiration.” - Minor White, 1950 |
#34
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In think that you are probably correct, there is a problem with your timer, I can't see anything else that would cause a problem like you describe, shame as led bulbs for me seem to have plenty of advantages without the disadvantages of normal enlarger bulbs, especially the heat, always had to check sharpness just before exposure and always after checking Exposure Ect they woul be out of focus, these days one check at the start, no problems, it makes darkroom life a lot easier
Richard
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jerseyinblackandwhite.blogspot.com |
#35
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Quote:
Richard
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jerseyinblackandwhite.blogspot.com |
#36
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Quote:
Mike |
#37
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It isn't my enlarger it is only on long term loan. I cannot see what benefit changing the lamp holder would do, I think it is my type of electronic timer. I will make do with a tungsten bulb
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#38
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I am currently still using a tungsten 150W bulb in my Durst M800. I have a number of them that were in a copy stand liberated from work many moons ago. It would otherwise have gone into a skip as many bits of older Laboratory equipment like perfectly working spectrophotometers did at the time, one of which I rescued and gave to the local school.
Mike |
#39
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In my experience, VC paper gives better results with a lower contrast negative, even with a diffusion enlarger. Just select a higher contrast filter/light setting.
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