A lot of good info there. Please feel free to ask me about service. I am on Long Island so geographically you are far but I will answer any question. Lamp wise, led not really needed as the 75 watt usual is not that hot. I have seen many 23c 111 with no heat shield at all and no cooked negs. Alignment with a laser is fairly easy with practice. Or a parallel mirror can be used also. One must align the carrier stage and the lens. The handle and cams for opening the neg carrier stage usually need adjusting as the roll pin or Allen set screws can get out of whack. The focus portion usually needs some attention. As to filters in b/w, if you mean poly contrast, surely avoid fungus. Only clean condensers if you must as the units are usually fairly clean inside. If you move things around then be sure the light image on the base has no hot spots. That's enough for now. Have confidence. M Addendum re: condenser cleaning. I have cleaned a few that were outright black. Due to the chimney effect, room dust will always be drawn upward from bottom to top. I suppose as a person new to this work, the enlarger mom in me got over protective. You can do it but only with a safe soft bench under the assembly in case of dropping. One more thing, it’s a good practice to stop down the lens to the middle at least because a pattern test often reveals an elevated center temp. If you use a pattern and expose the image on an 8by 10, both wide open and say f 8 you may notice some darkness towards the center. [email protected]
Marc Isaacs
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