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Sorry for the delay----I was away and couldn't get to my darkroom.

My timer is a TM8. Works very well.Yes the McMaster-Carr switches work well. The "momentary" is a 862-1000-000; The "on-off" is a...

Thanks, but no need. I spoke with David Silverberg today-he told me the switches are nothing special. A continued contact for "Dodge", and a momentary contact for "start". He did give me a slightly...

Thanks! I'm trying to find out what kind of switch. Voltage (in USA, assuming 110 Vac) and amperage. I misspoke about the label--they are "start" and "dodge".
I assume a "start" foot switch would be...

I have a Zone VI cold light head on a Omega D4 enlarger. I have the new Aristo tube. I am using a Lektra 1500 watt timer which works well. I don't have a manual for it, and I don't have a foot...

Thanks for the suggestions.
I have shot 3 different scenes, 2 shots each. I'll order some Pyrocat HD and develop one set with HC110, One set with Pyrocat HD. Well see what happens.

I have been developing film and using 4x5 for about 40 years. I have not tried stand or semi-stand. I want to give it a try, but have a question. I use a Yankee 12 sheet tank that I have used for 30...

Thanks--Interesting bit of useful info. Made a real print from a "real" negative (not a step wedge) today. Used # 2 MG filter, no extra yellow. Actually looks pretty good, so will proceed with other...

OK sorry to bother everyone. After drying the step wedge tests, and a look on a light table, I find the "0" filter produced a Exposure scale of 13 "half" stops, and the "2" filter a scale of 10...

Thanks, but that doesn't answer my question. The V54 is supposed to be right for VC papers. My experience so far (limited to be sure) is that it doesn't, really , quite do it. Is that a common...

OK, so I finally completed my darkroom, adapted the Aristo to the Omega D4, and actually made some test prints. Used Ilford Multigrade Delux RC, Ilford filter set, Dektol developer. Printed a Kodak...

Thanks for that info. I find Beseler makes several "special" lens boards. Front recessed by 2mm, rear recessed by 2mm, Recessed by 5/8", forward by 5/8". Prices are outrageous. I can make one myself....

Thanks for the replies--I think I have found the answer, but maybe not. The new lens is a EL Nikkor f2.8N. My D4 Omega has a Componon 50mm that came with the enlarger, and I can focus with that one,...

I was given a Beseler 45H enlarger, it having been in a basement for 30 years. It appears to be a 45 series head on a 23C-like frame. I have the manual. It has a 135mm no-name (Echo E.)lens with...

I have finished the refurb of the 45H, total disassembly, replace missing and wrong screws, replace power cord, clean and lube, new gears and heat absorbing glass. I have finished the...

Thanks for the help. Some of the haze is inside, I think. I'll look closer. Are lenses ever made with no threads, assembled with adhesive?

I just "inherited" an Echo E 135mm f4.5 enlarging lens, poorly cared for. It has a lot of haze on the front element as far as I can tell by shining a flashlight obliquely through it from behind. I...

Just a follow up to those who were kind enough to answer my original question. The new V54 tube came, and it works on both units! I got an old school Lektra-8 timer that works, so I am now...

Thanks Ian;
Any guidance would be much appreciated. I can machine adapter if needed, but length of spacing is unknown. Trial and error would be time consuming if I can't find data.

Yes, it is a pair of cells--front and rear I assume. Thanks for the thought about the rear number. The engraving is clear and the S/N is correct, I'm pretty sure, so that is a mystery. Anyone out...

I have had this lens a long time, but just "found" it again. An unmounted f6.8 180mm (/250mm). Marking on front (?) element "CP Goerz Berlin No 48250 Dagor 1:6,8 180mm" and on the rear (?) element "...

I forgot to add--Eric---I used a Fluke high voltage probe for the measurement--thanks for the warning.

williaty--try this- http://www.light-sources.com/solutions/specialty-fluorescent/products/aristo/ I have spoken with Louise several times and ordered a tube yesterday.
Eric Woodbury--thanks...

I already did--they don't know. That information "disappeared" with Aristo. I was hoping someone here knew.
Thanks

I have obtained two Aristo D-2 units, one standard, one D-2 Hi. Both with broken tubes. I wanted to upgrade the tube to V54 anyway, so--I bought the package for very little. In checking the...

Darn autocorrect! I didn't catch it-thanks. Thanks for the info.

I just bought an Aristo cold light and will replace the tube with a V54 tube. I have a EPOI Printrol solid state timer, rated for 500 watts. Aristo says a 1200 watt inductive load rating is needed....

Someone sent me a private message about the 45H. I can't find it now. Where do private messages go? email? I responded to it I thought. If that person would re-contact, I'll answer. Thanks

Has anyone out there used something like Armor All on bellows--good stuff for Vinyl, but how about the glue?

Thanks for all the prompt help! Much appreciated.

I am just getting back to darkroom work after 30 years. I previously used Tri X and HC 110 in my 4x5. I was happy with the results and was able to make N-1,2 and N+1,2 corrections. So-if I try going...

I just got a Beseler 45H enlarger. It has been in a basement 30 yr. Doing a clean-up. What is a recommended way to clean the bellows on the outside. Is there some kind of preservative to put on it?...

I found a owners manual on a Canadian Site, KHB, and a 45H is precisely what I have. Thanks for the quick replies. It came with a Echo E 135mm lens. I'll test it, but I expect to replace it. First I...

I have just obtained a Beseler 4x5 condenser enlarger and am cleaning it up after 30 years in a basement. I contacted Beseler and they couldn't identify it! It has a non-motorized chassis, and a...