This seems to be a topic you are fairly passionate about, so just to put your curiosity to rest... I have an El Nikkor 2.8 coming with a 67S Dichro enlarger that I'm purchasing. I'll plan on testing the f/4 against the f/2.8, and advise my findings.
...personally, i couldn't care less about "internet opinion" ...
it seems that all websites like this (and others) that are always linked to, or books or whatever ...
all they do is give opinion and for every opinion there is always a contradictory one ...
Although the discussion in the following link concerned a 90/4.5 Enlarging Pro Raptar, the thread size is likely the same as the Enlaging Raptar cited in posts (measured thread diameter of approximately 41mm in both cases).
(there was a url link here which no longer exists)
As they say, opinions are like arse holes, everyone has one and every one else's stinks.
There's a difference between an 'opinion' and an actual test comparison in controlled conditions. Such comparisons are very useful and are really all we've got aside from our own personal experience. If find comparisons, rather than objective tests (even with their graphs, facts and figures), to be far more useful however there will always be an element of sample variation to factor into any findings.
Chris- I once had a Wollensak enlarging lens. It was probably close to 40 years ago, so my memory of it may be a bit hazy. If memory serves, however, I found it to be a little less contrasty than my "good" lenses. I gave it away, but wish I hadn't. Since rediscovering my plastic cameras, a few years ago, I'd like to see how it would work with those negatives.
While they may give you a measured standard of sharpness (or any other lens attribute), it's entirely possible that a "lesser" lens will give you a better print.
As they say, opinions are like arse holes, everyone has one and every one else's stinks.
There's a difference between an 'opinion' and an actual test comparison in controlled conditions. Such comparisons are very useful and are really all we've got aside from our own personal experience. If find comparisons, rather than objective tests (even with their graphs, facts and figures), to be far more useful however there will always be an element of sample variation to factor into any findings.
there IS more to photography than physics and chemistry
there IS more to photography than physics and chemistry
You... can't... be... serious..
For some types of photography you layer more on top of the basic physics and chemistry. But most of the "photographers" I've dealt with professionally (xray crystallographers, electron microscopers, radiologists, crime science investigators, etc) it's all physics and chemistry. Without wandering too far off into philosophy what I was getting at with that statement is there are certain objective noncontroversial things we can all agree upon.
You... can't... be... serious.
.
OK, I wasn't going to say a high quality lens is important, but I can see where it might come in handy.
I use a 135mm Xenar 4x5 enlarging lens you might say has a certain amount of "character" and I've been fine with it. I know it isn't APO type N or anything like that.
But lately I have been unhappy that my enlargements don't match my contact prints. I can't stand it and my solution to the problem is that I'm not going to make any more contact prints.
I think the xenar is not an enlarging lens in the first place so that won't help.
This one is, ...
Well all three of them arrived. The Nikkor and El Omegar look good, ill use them for a few more months and when I can afford to ill upgrade.
The Wollensak looks good aside from a few scratches on the lens. It'll lend itself well to the Holga type prints I like to do. My only issue with it though is that I have no way to mount it. The lens board that the Nikkor and Omegar fit on is WAY TOO BIG. The Wollensak nearly goes straight through the hole. There is a retaining ring on the Wollensak with three screw holes, so I may have my brother in law machine me a piece of sheet metal.
A tuna can??
I'm completely serious. There's a reason people work with Holgas, Petzvals, etc. A well conceived photograph is more than accomplishing the utmost in sharpness and resolution.
Once the sum of money that is being discussed gets so small I just pay my money and expend my energy worrying about more complicated issues. The converse is also true. Once the sum of money gets so large there is no way I am going to part with that amount I just keep it in my pocket and use whatever "inferior" device I currently own. Everyone has their cut offs. I personally never got involved in the APO wars because a single used APO lens costs more than my entire darkroom setup with two enlargers and two lenses...
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