This is a duscussion of how a two bath compensating developer works and what its advantages are for the film photographer. Acufine diafine 2 bath blackwhite film developer 1qt. Bellini duo step liquid diafine film developer 2x500ml. The solution is essentially a blackandwhite film developer, because it forms only a negative silver image in each layer of the film. So you might rate it 320 for d76 and 400 for rodinal and 500 for diafine. It is a characteristic of diafine film developer to permit the widest latitude of exposure without the necessity of time temperature compensation. The acufine diafine powder film developer is usable over a wide temperature range with one developing time for all black and white negative films. Acufine diafine powder film developer 1 gallon freestyle. Then, the film goes directly into the first wash for 2. How to choose a black and white film developer by tim layton. Get the best deals on film development chemicals when you shop the largest online selection at. My shelf now consist of xtol, rodinal, hc110 photographers formularys td3 and diafine.
Sadly, one of its key ingredients, 2betahydroxyethyl aminophenol sulphate aka heap sulfate, is no longer in production anywhere in the world. I cannot say if it is diafine but none the less it is excellent. Blazinal one shot is a fine grain film developer with exceptional acutance and high speed yield. Current commercial products sold under the name promicrol or claiming to be similar to promicrol, are not comparable to this formula. Color will be removed on the spot this does not include real toning, as well as images with exif showing that the image is from a digital camera. That exposure index doesnt travel between developers.
Im going to show you how i develop black and white film in diafine. It is a modern developer formulated for modern emulsions and is outstanding in its ability to fully exploit the inherent capabilities. Chemicals photography wiki fandom powered by wikia. Fx55 is an ecofriendly photographic developer for monochrome film devised by geoffrey crawley. Rodinal, hc110 photographers formularys td3 and diafine. Diafine was chosen because it is the only twobath developer commonly available in commercial kit form. Formula for diafine i was looking on line for the price of diafine, but 1st i saw it for 1 qt of accufine. Pyrocathd film developer is a semicompensating, highdefinition developer, formulated by sandy king as an alternative to pmk. Acufine is a maximum acutance, ultrafine grain film developer combining optimum quality with higher than normal effective film speeds.
Processing black and white film for scanning diafine and. It would be nice if posters could include the film type, and any other tricks used in the development with diafine less. I realize you cant do any pushpull with it, and that youre pretty well locked in to how you exposed the film, but for now thats fine. Acufine digitaltruth photo film photography, darkroom. With local camera stores quickly closing it is becoming harder and harder to develop films and if you care to take the adventurous diy path the folks at dr. It is made by compard and can be bought off freestyle. I would like to know how do you find other two bath developer. Obviously, well go on the honor system as far as removing pictures go.
Diafine is usable over a wide temperature range with one developing time for all films. Published divided developer 2bath formulas include divided d76 and divided d23. Photographic processing transforms the latent image into a visible image, makes this permanent and renders it insensitive to light all processes based upon the gelatinsilver process are similar. In the processing of photographic films, plates or papers, the photographic developer or just. It is a modern developer formulated for modern emulsions and is outstanding in its ability to fully exploit the inherent capabilities of any film.
King cites for his formula include an approximately stop greater effective film speed, 1015% shorter development times, more consistent staining action, lower toxicity, and no streaking or mottling with reduced agitation. Diafine for film developer charles magers pyrocathdedta robert charles ilfotec ddx marc leest dilute developers and how to tell how much chemical needed larry gebhardt nacco film developer question francis t. Posts about diafine developer written by evensteve. Whats your favorite iso 200 35mm bw film and developer. Fast, medium and slow films can now be developed simultaneously.
Acufine developer is not a pushprocessing developer, but a unique developer which increases the standard film speed rating of most films. This is not a pushprocessing developer, but a unique developer which increases the standard film speed rating of most films. Photographic chemical formulas daniel devine photography. Bw2 is a proprietary film developer formula developed by bill watson at the photographers formulary. There are a couple of films that actually loose speed in diafine, according to the makers. In the end, you will likely end up with a normal developer and diafine if you are an advanced black and white photographer.
Developers are simply tools that help get you to your final goal whether that. Diafine film developer is unsurpassed in its ability to produce greatest effective film speed, ultrafine grain, maximum acutance and highest resolution. These substitutions are intended as a quick replacement when you run out of one of them or if you dont have access to them at all. Processing color film in diafine developer figital revolution.
R09 one shot rodinal semi stand development youtube. Processing black and white film for scanning diafine and tx. This is true even when the film is developed to low contrast. Ive mixed this formula and it is a very good developer. It is great for beginners because it is not terribly temperature sensitive and the process is the same regardless of the speed of your black and white film. It was first published in amateur photographer it provides an alternative to phenidone with hydroquinone developers. Mar 31, 2019 it is very low contrast film which is a good thing for scanning and has a softer rendering then most modern films perfect for a classic look. Below is the original formula of kodak d76 film developer for preparing 1 liter of stock solution. Diafine is a magical formula that does a pretty good job at controlling contrast for you without requiring anything from the photographer. How to develop black and white film with tylenol diy. Fast, medium and slow films can be developed simultaneously without adjustment in developing time. Diafine is an ultrafine grain developer with the highest effective speeds.
Diafine was a wellknown film developer during the heydays of analog photography because of its ability to produce and even surpass the effective film speed of blackandwhite film. The fun really begins though, when you start to mix and match for various. Kodak published the formula of d76 developer in some of its photographic handbooks, for example on page 15 in kodak chemicals and formulae. The divided d23 formula was selected because it is a. Notable standard formulas include eastman kodak d76 film developer, d72 print. Develop your own black and white film then link the results to your photos on flickr. And if you leave your film in for longer than the stated three minutes, youll be fine. Photographic processing or photographic development is the chemical means by which photographic film or paper is treated after photographic exposure to produce a negative or positive image. Xtol produces high film speed that is, the true film speed, as measured by shadow detail, is about stop higher than with d76 or other standard developers. Does anyone know if it is still available and if it is where i can buy some. Aug 26, 2008 processing color film in diafine developer. Time and temperature have no practical effect if the minimum recommendations are observed.
Bw2 bw2 is a proprietary film developer formula developed by bill watson at the photographers formulary. Most commercial film developers use a dual solution or push pushes the films speed development compensating developer, like diafine. At the label of the homebrew no film speeds are specified for the given developing times. Get the best deal for film development chemicals from the largest online selection at. Acufine diafine powder film developer makes 1 quart the acufine diafine powder film developer is usable over a wide temperature range with one developing time for all black and white negative films. The first developer is the most critical step in process e6. I think the only two bath developer formula i have is for stoeckler. But many people are enjoying the quirky results from this alternative process. This is largely due to publicly available film developer formulas, and most of the chemicals required are readily available. F, does not require replenishment, has a long working life, twopart compensating developer, contains both a and b solutions. Ed buffaloe and i have some notes on using dd23 including variations on the formula in an article on eds website i use d23 as a two bath developer to make film negatives for platinum printing.
Shoot trix at 1600 asa, or plusx at 320 with no increase in grain. Mar 21, 2015 here is another semi stand development video using a different derevitive of the original rodinal. In this video i show how to develop black and white film at room temperature with acufine diafine developer, and kodaks general purpose hardening fixer. Diafine is a twopart compensating powder film developer which has been used and valued by many analog photographers for many years. In my long film developing career i have tried many, but used consistently about 3, first microdolx, tmax and xtol. Kodak imagelink hq film developing photography forums. Blazinal film developer agfa rodinal formula 500ml. It is a modern developer formulated for modern emulsions and is outstanding in its. I used to buy it from freestyle but they no longer carry it. Notable standard formulas include eastman kodak d76 film developer, d72 print developer, and d96 motion picture negative developer. If you want to know more about this developer, search on d23. Acufine diafine powder film developer makes 1 quart. Diafine is unsurpassed in it ability to produce the greatest effective film speed, ultrafine grain, maximum acutance and highest resolution.
Per their disclaimer, the hr developer used for the bluefire police film is this formula with equal results if used freshly mixed. The american diafine is very well proven in its speed enhancing properties, but is not widely available in the u. The number of rolls that can be developed from this packet depends on the film type and format. Instead of playing with chemistry there is nice replacement for xtol company foma makes excel developer that is either copy or very similar thing. It is a characteristic of diafine film developer to permit the widest latitude of exposure without the necessity of timetemperature compensation. Next i picked up my copy of film developing cookbook looking for diafine. Stop used in the stop bath, it quickly halts film development. Blazinal one shot is a traditional oneshot developer for black and white films according to the original rodinal recipe. Diafine s usable temperature range is 7085f, so you usually dont have to mess with water baths to regulate temperature or cool downheat up your bottles.
I realized the developer and tried with tmax 400 and delta 400 with great results. Link your film developing recipes to your flickr photos start sharing your recipes now. I have also just obtained a kearsarge 301 electronic timer from a relative for free. Consider it the volkswagen bus when compaired to the rolls royce of other developers like rodinal or diafine. Diafine is a two part compensating developer with a strong reputation for boosting the usable exposure index of kodak trix. The idea is to showcase what diafine is capable of.
Jan 09, 2014 one of the oldest black and white developing solutions is called rodinal. I have used the hr developer on imagelink and it is great. Certain films and developers are meant to work together as designed by their manufacturers and if you stick to the formula, you can expect specific, consistent results. The following table lists the identical development times of the two developers. About compensating developers like diafine youtube. I think diafine is the first developer that any new black and white film photographer should use. I think it was sodium carbonate, but i am not sure. However, the formula for a diafine like developer in that book has been repeated many times in other places, independently i think from the anchell book which by the way, i like overall. Contentsshow household substitutes many processing chemicals can be exchanged by common household products and get similar results. Choosing a black and white film developer is often a deeply personal decision, but not necessarily. I havent used diafine with a lot of different films, but have had good results with the films ive tried in it.
Mar 10, 2015 diafine is a magical formula that does a pretty good job at controlling contrast for you without requiring anything from the photographer. If you want to rate a film yourself, you do it with a particular developer in mind. Kodakss xtol film developer is my goto film developer, i think everyone has one. It is a characteristic of diafine film developer to permit the widest latitude of exposure without the. An outstanding formula featuring very high acutance, ultrafine grain, and great effective film speeds. If i recall, the msds sheet for diafine indicated a much stronger accelerator than borax. It provides sharp negatives, but the unique thing about bw2 is to comes in 2 bottles. The indicated times of promicrol apply partially for different film speeds pushs of the films. My formula used 10g sodium carbonate and 5 g borax sodium tetraborate in the second bath. Ag online ordering is normal with usual lead times on services and products.
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