Luis Filipe
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I found some filters already suggested here and I was wondering how would they work with Ilford VC Ilford papers.
These are Varycon VC filters and they seem very well reviewed.
Does anyone had any experience with them on Ilford VC paper?
Ill have to cut them to 6x6cm to fit them in my enlarger drawer and they are less than half the price of Ilford VC filters. They just don't have half grades...
As for your filters, having checked out some information about your Varycon VC filters, it does say that they 'should' work okay with other manufacturers papers, but have been designed to work best with their own brand of paper. Since you now have them and have probably cut them to size, all I can recommend is that you try them.The only down side seems to be not having half grades, but might be another way to compensate that?
There's a lot to learn already when starting out in the darkroom so you want to introduce as few unpredictable variables as possible.
To me that means fresh paper, fresh developer for every session, and a decent set of filters. Later on, when you get some experience, you can start adjusting the variables one by one like re-using developer a few times or using older paper.
You'll learn soon enough. But when starting out with too many variables, you'll keep asking yourself why your prints look all muddy and why you can't reach full whites or blacks. And then either all the fun is lost, or you end up buying the better gear anyway.
Hi Luis, I too bought one of these Zenith suitcase enlargers new and used it for a few years when first starting out, in the 1970's. The enlarger will remain perfectly stable, as long as it is placed on another surface that is also stable. My first darkroom was under the stairs and I placed the enlarger on a concrete floor and you can't get any more stable than that. Probably like me, you'll have to assemble and then dismantle the enlarger at the beginning / end of a session and put it back into the suitcase. Don't worry about this, as it becomes second nature very quickly and will take barely any time at all to do. Mine was totally manual focus and this caused no problems at all. I find sometimes when supposed adjustments are added, it just makes it harder to work something. So try using it in manual focus only.
SAFELIGHT TEST FOR PAPER
When you are ready to start printing it would not hurt to do a safelight test with your paper. Put a sheet of paper in your easel. Cover it with a book or something large enough to cover it entirely. Then slide it back to expose one inch of paper along the short edge. Wait one minute then slide it another inch. Another inch after that and wait a minute longer. Do this for the entire sheet. Then process it. If you begin to see the sheet become darker than the white stock then determine in which minute this begins and you will know how long you can safely have your paper under the safelight without the risk of flashing the paper with your safelight. The darkest edge will have been exposed for ten minutes. The next inch will have been exposed for nine minutes and so on. If you can go five minutes you should be fine. But it never hurts to know just how much time you and your paper have just sitting beneath the safelight.
And you could even cut a small strip of paper to do this. Do not need to use a whole sheet.
Christopher is correct, but his suggested safelight test is a bit too simple. The test is much more meaningful if you first expose the paper to enough enlarger light to make it go a very light grey when it is developed. Then do the test that Christopher suggests.
That pre-fogging is important, because it allows you to test whether the safelight is changing your printed image, not just changing an unprinted sheet of paper.
Many people do the test with several coins - placing one coin on the paper after one minute, then the next coin on the paper after two minutes, then continuing to add coins after each of three, four, five, six and eight and ten minutes, before developing the paper.
Here is a link to the even more comprehensive Kodak Safelight test, which adds into the equation the effect of a post safelight exposure light fogging. Save that up until you are more experienced: https://www.kodak.com/content/products-brochures/Film/KODAK-A-Guide-to-Darkroom-Illumination-K-4.pdf
I too use partial sheets for my test strips.
If you look up the data sheet for your developer, it will indicate what the expected capacity of your developer is, expressed in terms of numbers of 8"x10" prints can be expected per litre of working solution. So look that up, keep track of how many prints you are developing, and expect to replace the developer when you approach the expected capacity.
Remember that one 8"x10" print is equivalent to four 4"x5" prints, when it comes to capacity calculations.
You can monitor capacity in another way as well. Pay attention to how long it takes for the dark parts of the image to emerge at the beginning of the development time. If it takes 8 seconds with fresh developer, as your developing session progresses, and the energy of the developer becomes partially spent, you may want to consider discarding nearly spent developer when the emergence of the image slows down to twice that - 16 seconds.
No. You fix to completion.Another question arises about the fixer. I know that for film processing I do a test to determine how long to apply the fixer, but in the case of the paper does it make any difference or should I extend the fixing time print to print?
All print developers tend to lose activity over time when they are stored, although some print developers can be stored much longer without becoming unusable.And also about the developer it says how many prints I'm able to do but if I do just a few and decid to store it, what difference it is gonna make for my next printing session?
Work and THINK in stop (and half stop) values, I second. Maybe a bit harder in the beginning, makes life so much easier thereafter.
Test strips in fixed 5 seconds intervals will help you find the right base exposure. Test strips timed in full or half stops will help you find the base exposure AND at the same time teach you a lot about how your paper "works".
I have that chart on the wall behind my enlarger, although I've basically memorized it now.
For clarity, you use those numbers when you start with the paper totally uncovered, and then sequentially cover over more and more of it as time goes on.
That gives you tests that have different exposure on different segments of the image. There are some neat solutions that move the paper instead, giving you different exposures on the same segment of the image.
| TOTAL TIME | 22 | 32 | 45 | 64 | 90 | 128 | 180 |
| STEP | 6 | 10 | 13 | 19 | 26 | 38 | 52 |
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