Tri-X film is still sold in two different emulsions. The sheet film is very different from the roll film and 35mm version. Plus-X was the same but the sheet film version has been discontinued. I...
Type: Posts; User: Richard Knoppow; Keyword(s):
Tri-X film is still sold in two different emulsions. The sheet film is very different from the roll film and 35mm version. Plus-X was the same but the sheet film version has been discontinued. I...
I didn't see the dimensions the first time. If its 5-1/8th square I am stumped. If its 5-1/4 square it will fit a 5x7 Agfa/Ansco Universal View or an 8x10 Korona Criterion View, maybe some others. ...
If its 6x6 inches its a generic board which fits the 8x10 Kodak 2D and All Metal View cameras, late Agfa/Ansco, Burke & James and some other 8x10 cameras. It will NOT fit a Deardorff because they...
You will need to measure the actual focal lengths and find the principle points. This is not difficult. You can use a view camera as an optical bench. To measure the focal length focus the lens on...
Some Compound shutters may have fiber blades. Both of mine have metal blades. Many shutters have hard rubber blades including large Ilex Universal and Packard shutters. Hard rubber is not injured by...
Make this test. Find something which presents an array of squares. Shoot it head on so that it fills the film frame. Make sure the lens, film, and subject are exactly parallel. The resulting negative...
The only 190mm Optar I know of is the f/5.6 one used on the Super-D Graflex. If this is the one it uses the same size push-on adaptor the f/4.5, 152mm Ektar does; a Series VII of 44.5mm or 1-3/4...
The Tele-Dynar is a five element lens with the same element arrangement as the Dynar. This lens is probably meant for a 2-1/4 x 3-1/4 or 6x9cm camera. It is unlikely to cover 4x5. I've never seen...
Try Kodak's web site. Search for E-6. They have pretty complete infomation on their processes. Jobo USA has complete instructions for the Tetnal three bath kit at:...
I have an Omega D2V. I think this is the one you are writing about. Aristo makes a cold light head for the D2 and D2V. I have one but went back to the condensers after using it for a while. Mine has...
Agfa/Ansco 130 is very similar to Dektol with the addition of Glycin. You can make essentially the same thing by adding Glycin and some Potassium bromide to Dektol. Glycin 11 grams/liter of stock,...
The Hugo Meyer Plasmat was the original of this type of lens. It was designed by Paul Rudolph, the inventor of the Tessar and Protar lenses. Rudolph lost his fortune during WW-1 and had to come out...
The two letter prefix of the serial number is a date code for the last two numbers of the year. The key word is CAMEROSITY for the numbers 1,2,3,4, etc. ER is 1945. The reversed printing and speed...
Another reason for the slower speed is the size of the chunks of glass needed to make the lens. The method of making optical glass at the time Dagors was to melt the glass in a pot and break it up...
I agree with Gary Meader. The developer can't circulate to the back of the film in the print drum. Normally the anti-halation dye is either removed or turned into a colorless form by the developer....
The prints at the Huntington do mostly do not look like other Weston prints I've seen. A lot of them seem to be printed too dark and its not just dim illumination there. This is the first time I've...
Why are you rubbing the film underwater? Is this because the anti-halation dye is not being removed or decolored?
Kodak Hypo Clearing Agent is proprietary but this is probably the formula. In any case it will work.
Stock Solution Sodium Sulfite, dessicated 100.0 grams Sodium Bisulfite ...
Could this be JML Optical Industries? If so, its one of the companies in Rudolf Kingslake's book on Rochester, N.Y. optical companies. The company was founded in 1979 and is evidently still in...
You might want to try something intermediate like DK-50. Remember, the contast of papers is fixed because they are developed to completion. Film is not. For pictorial purposes the image density is...
There is some confusion between Golden Dagors, sometimes called Gold Ring Dagors and Gold-Dot dagors. Golden Dagors are the ones built in the mid 1950s with polished brass front cells. This was...
Is this dust that collects after the prints are dry, or during drying? Is it possibly particals from the wash water? If its imbedded in the emulsion its most likely particals from the wash water. If...
I can't say much about the performance since I don't have one. However, its a Tessar. I think most of these were used on Polaroid cameras. Rodenstock also made the late Optar lenses used on Speed...
The only difference is focal length. The coverage of the lens will be in the same ratio as the focal lengths i.e., the image circle at any stop will be about 78% of a 12" lens. The sharpness and...
The last first. The distance from the lens to the film plane is going to vary wi th the focal length. The very small distance for a conventional WA lens on a 35m m camera has to do with its very...