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> Rodenstock Trinar 50mm lens |
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#1
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Rodenstock Trinar 50mm lens
Just got my enlarger setup after being in my attic for the last 25 years plus, all working but my lens is cloudy and looks like a mild fungus inside.
Has anybody got any instructions on how to take it apart, I have looked on youtube and done a search but came up with nothing. Its not the end of the world my 80mm lens was similar but I managed to strip and clean that one. It looks like it clips the elements in from the back, but dont want to break it trying. I have another 50mm so not the end of the world if itt cant be done. Flack |
#2
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I can't help with taking apart the lens, but it can be a problem getting rid of fungus, to be honest, with the price of used top class lenses being at almost peanuts level today it might be worth looking for a top class lens, such as Nikon, Ect, or perhaps a Minolta, which you can get today for around £45 to £65,
Richard
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#3
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Oops- read that again. You have a spare.
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#4
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The 50mm Trinat is a budget Triplet lens, I have one in mint condition. They aren't designed to be taken apart, I've just checked.
I'd suggest getting a better enlarger lens, there's a mint 50mm f4.5 El-Nikkor BIN + potstage on Ebay that would be a far better lens. Ian |
#5
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https://www.ebay.co.uk/sch/i.html?_f...on&_dcat=29986 And the prices are much better than what I think I paid for a Nikon 50mm f4 lens, but I'd pay it again happily. I bought a 50mm and a 80mm lens, and both are so good, I'm very happy printing some old dense negatives with the lens wide open at f4, which gives me lovely sharp images from corner to corner with no problems. Terry S |
#6
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Nikon Enlarging lens
Did Nikon make an F4.5 enlarging lens? Is it a typo or is the seller trying it on. You never know with EBAY.
I have just checked with the Nikon list and there were no F4.5 enlarging lenses, just 2 x F4 models:- a 50mm and a 75mm version. Last edited by John King; 19th March 2021 at 05:47 PM. |
#7
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Someone told me the 50mm f4 is actually the same lens as the f2.8 version just restricted down one stop. probably due to Hikon selection for best performance at f2.8. Stopping dowm one stop from maximum aperture has a huge increase in sharpness with many lenses. Whatever there's plentty around the £20 mark. Ian |
#8
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My gear has been stored in my attic for the last 25 years, I forgot how much stuff I had, I have just found another lens a Scheider Kreuznach Companar 1:45/75, This gets some good reviews. Not sure how I used to use it but I have no mounting board for it, on my Opemus 6.
Good job I have a 3d printer now as I have just made a board for it.. |
#9
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The Companar is also a budget lens. Although MF enlarging lenses are a bit rarer than the 50mm lenses, there are still some quality lenses at good prices. About a year ago, I picked up a Rokkor CE 80mm f5.6, which is a very good lens for about L20.
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#10
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