General Darkroom Tips/Tricks Thread

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EdwardLuke
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I love this thread! Such good ideas..

I align my enlarger using a 'Lazerspot' laser plumb bob/leveler and a mirror sandwiched in a 35mm negative carrier. Works just like a Versalab Parallel but for about $10..

I use 120 negative sheets designed for sleeved negatives, much easier to slide the negative in WITHOUT sleeves.

Cheap plastic food service tray lids (the kind with the aluminum bottoms) make for cheap and quick printing trays, just stack three or four together snugly for a bit more support. I printed 11x14's for close to a year using these before finding three used trays for $6 :smile:
 
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Another tip that comes to mind - if you need to raise the temperature of a chemical fast, keep a stainless-steel vessel (jug, even a spare developing tank) handy, put the chemical in this and stand it in near-boiling water. It should achieve the desired temperature in no more than one or two minutes (this is a tip from a UK photographer. We don't have a problem with cooling things down, only heating them up!).
 
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craigclu

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I've discovered that the Stouffer Zone chart (RZ-9) after having a very small bit of its ends clipped, fits onto the end of a Kodak gray card perfectly. I try to include a shot of this on my b&w rolls and if I see good separation in the upper and lower areas, I've likely not got anything untoward going on in my chemistry or technique for that roll.
 

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craigclu

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I've almost screwed up some concentrate mixes (doing it in my head) recently as I've been playing with some different ratios and developers, etc. I made a quick spreadsheet to do the calculation for me...

I've posted it here: Dead Link Removed
 

ricksplace

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This is a great thread! I use wallpaper trays for large prints. The trays are over 20" long so I can process 16X20 or 20X24. I use the "see-saw" method to run the prints through the soup. The first time I tried it, I thought it would be really messy, with lots of spillage. After only about two prints, I could process a print through all three baths without spilling a drop. Takes up a lot less space than 16X20 trays, uses less chemicals, and they are cheap and readily available. Up here, pretty much anything for a darkroom has to be mail order. Three trays will set you back $10 at your local paint store.

Ed and Craig -I'm a shooter/reloader too. I wonder how many of us there are here?
 

Jim Jones

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I count the one-second ticks of a quartz clock to time burning and dodging. A wind-up clock also works. A dimmer on a bright safelight is good insurance during long exposures.

Ed, Craig, and ricksplace: I was a shooter/reloader years ago. Now my shooting is mostly for varmint control.
 

Gay Larson

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I couldn't find any good metal tongs that I liked and could afford so I found this tea bag squeezer and it works great. I like the square shape. Dead Link Removed
 

drpsilver

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Blighty said:
It can be tricky loading 120 film onto a paterson spiral. I take a piece of discarded 120 film (about 4~5 inches in length) and locate it in the groove below the take up point on the spiral. This stops the film buckling downwards into the spiral whilst it's being fed in. Once the film has 'caught', one simply pulls the 'discard' out of the spiral. BLIGHTY.

14 May 2006

This is a really novel idea. I am forever struggling to get 120 film stated in a reel. Thanks for the ieda.

Regards,
Darwin
 

Donald Qualls

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ricksplace said:
Ed and Craig -I'm a shooter/reloader too. I wonder how many of us there are here?

Here's another, currently inactive due to budget -- but still have the press, dies, components (except powder) and even the case tumbler after moving 3300 miles...
 

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Here's a really simple one that I'm sure many of us do already. A friend of mine who is a nurse gave me a few syringes (without the needles!). A small piece of neoprene tubing fits right in to the threaded part where the needle is supposed to screw on. About a 1" length is long enough to reach to the bottom of the Rodinal bottle. The 10cc or 20cc syringe sure makes it easy to measure the concentrate. It works fine for HC110 too, although the pure goo takes a little while to pull up into the syringe.
 

srs5694

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At least in the US, you can buy needle-less syringes without a prescription in drug stores. They're sold for dispensing oral medicines to babies and young children and they can't accept needles. The ones I got have cone-shaped rubber things that help them suck liquid out of bottles. You could probably attach neoprene tubing to them, as Rick describes doing, but I've not tried that.
 

DirkDynamo

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i just found this trick out myself:

if you have light leaks around your doorframe, and dont want to wait until nighttime to do your printing, instead of weatherstripping your door you can take one or two fitted twin-size bedsheets (the kind with elastic in the corners) and stretch them over your door while its open. when you close the door, it will pinch the fabric around the door and block the light from coming through.

it also lets people know if a bathroom is temporarily turned into a darkroom.
 
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A nice makeshift "local flashing" device is a simple small flashlight with a #0 filter taped to the front. Of course you'd use a small sized flashlight. After taping the filter on roll some black paper into a cone (I use cinefoil which is aluminum foil painted black) and fix it onto the flashlight. While making the print it's easy to see and flash the troublesome areas.
 

dmax

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Handy burning tool:
When I have to burn in small stubborn areas like unwanted highlights, I use a mechanic's flashlight with a long bendable "neck" with a tiny bulb at the end (available from some hardware stores and auto parts shops.) From small pieces of black plastic tubing, I made a handful of slip-on caps. Each cap has a small circle of Multigrade filter glued on one end. Depending on the kind of burning in needed, I simply slip on a numbered cap on the end of the flashlight, and away I go.

Not-so-opaque dodging wand:
I get better control of dodging print areas by using pieces of wire screen cut in the usual shapes (circle, oval, rectangle, star) instead of black opaque material. The "see-through" screen allows me to see just where exactly on the print I have dodged. Also, the wire screen acts like a kind of diffuser as light goes through it, and the result is that the dodged area looks more natural compared to when using an opaque dodging tool.

Flexible magnetic strips for test strips:
Oftentimes the print area to test is inconveniently located relative to the placement of the easel blades. I print exclusively in fiber, and in the dry Southern California air its a major struggle to get fiber to lie flat! To hold down small pieces of fiber paper, I use strips of flexible magnetic material (the kind you get in cheap calendars and promo items that you stick on refrigerators.) They cut easily with scissors. I rubber-cement wood tabs at the end of each magnetic strip to make them easier to pull off from the easel. The strips are rather thin, and sometimes hard to remove, so the pull tabs are useful.

Burn-in boards and Beseler MX series enlargers:
When printing relatively small sizes (8x10's from 4x5 negs, for instance) the bellows track of MX series enlargers end up too close to the easel, and often get in the way of customary rectangular burn-in boards. As you use the board to burn in different areas, more likely than not, you'd bump the protruding part of the enlarger. My solution is to this is to have semi-circular cutouts on one edge of all my burn-in boards. This way I can manipulate the boards without bumping the extended portion of the bellows track.

Pre-flashing data:
I keep pre-flashing exposure data on an index cards taped alongside my enlarger so that I have a ready reference. I test the types of paper that I use in one darkroom session, standardizing on lens and exposure. I list the brand and surface type of the paper, print size/enlarger height (8x10, 11x14, 16x20), and exposure data.
 
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craigclu

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Some years ago, Francis Miniter had shared a formula for starting times for changing dilutions that I found to be a very good jumping off point when dealing with new dilutions. I had made a simple spreadsheet for doing the math. I also added a quick calculator for dealing with vessel size requirements for holding the minimum quantity of required stock for that minimum per roll. I had also pasted his post into the sheet.

In case it is of some use to someone, I've attached it here. It doesn't hurt to recycle some of these old tips in this thread, too.
 

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Never ever judge about a print while in the tray, be a slave to the stop watch
 

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samcomet

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What a terrific thread! Thanks all. I've been using one of those "wine saver" air vacuum pumps and stoppers for my stock and working solutions to remove, as much as possible, the air from storage bottles of dev and hypo clear. I do try to keep the fluid levels as close to full bottle as possible.

My darkroom is not much larger than a broom cupboard so I use a couple of racks that held real desktop "in-trays" before the time of email. I can put a couple of 8 x 10 trays in each rack saving major space on my countertop.

I also use "fingers" and "dots" from my time as a film/movie lighting tech to dodge the occasional print. Fingers are rectangular steel forms (like clothes hanger steel) with either ½ stop or full stop worth of black cloth mesh (like fish net stockings) and dots are the same but round. The largest finger size is about 30 cms/12 " long and about 2 cms/2 " wide. The largest dot is about 8 cms/ 3 " diameter. If I am roughing in a dodge to the tune of ½ or a full stop I can do it with one full exposure on the timer. I am sure that other black netting material may be available for less exposure reduction but this works fine for me. Obviously normal motion is required so as to not create a harsh reduction of light on the print.

I also sometimes use a Lee 1/16 diffusion gel to "flash" a print after exposure and with the neg in place using a number 5 contrast filter to make my blacks in the print bleed a little bit. It used to be a "thing" in commercials on TV years back. The mid tones and the highlights held up well but the blacks bled and softened up a bit focus-wise. It was a look or a thing back then at any rate.

Thanks & cheers all,
Sam
 

M Carter

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My favorites:

Rubylith on the front of a penlight lens, edges sealed with black silicone. Especially for lith printing, but handy to check print maps, etc.

I keep a big jug of saltwater - 1/4 cup canning salt to a gallon. I mix this with sodium sulphite and use as HCA; I get get fiber prints washed very quickly; I test washing with RHT.

Straight selenium toner in a (new) nail polish bottle with the brush in the lid. I use it on print borders to test for adequate fixing.

Converting a drawer into a paper/film safe is the handiest thing ever.

EBay is full of those "salton" brand buffet-tray warmers, with the tempered glass tops and a heat control. Fabulous for lith printing or any process where you want a warm tray. They have a knob that goes from "kinda warm" to "burn your hand off", probably why they're no longer made. I have a pair wired to a dimmer for 20x24 lith printing.

Ever think "I need three hands!!!" when trying to get a negative clean? Some dust is only visible when turning the neg under a light with a magnifier; as the reflections shift around the film, you'll see dust very clearly, the stuff that doesn't seem to show up on a light box. An illuminated magnifier on a cheap magic arm is great, and with the illumination off can be positioned over a light box. Crazy-handy to have and much more compact than a big magnifier on an arm.

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