Problem With Print edges on Durst L1200

[David Ventura]

im using a Durst enlarger and not quite used to it. I think I have it set up for 6x6 format. 80 lens and an 80 condenser above Neg. But on my Print the edge seems to fade slightly. Any suggestions. Thanks David

[ic-racer]

Yes, you need to have it set up with a 150 or 135 mm lens and the appropriate condensers to give even illumination of the negative.

[David Ventura]

Yes I talked to Jens at Durst today he said a Longer Lens like 150 and I have a 135. Said it may work. I will give it a try tonight. Thanks. With the 80 condenser and the 80 lens you would think that would be the way but my prints just had that slight fall off. I'm so used to my beseler 45 mx... But I want to get used to the Durst.

[bob carnie]

I use a 90mm apo rodagon for all medium format.. 80's just didn't cut it.

Not sure you need to go to a 135 or 150 to get the right coverage... You always need to make sure your negative is in the center of the easel/lens/bulb combination.
If you are off you will always get problems no matter what lens you are using.

[David Ventura]

Yes I even switched up to 105 and no Problems I Feel 135 is way too high for working....
If I were to make larger prints the enlarger would top out...

[ic-racer]

Yes I even switched up to 105 and no Problems I Feel 135 is way too high for working....
If I were to make larger prints the enlarger would top out...

Unlikely 105mm will cover at much over 1:1 reproduction. How big are you printing?

[Bob Salomon]

You should be getting excellent prints with a modern quality 80mm lens on a properly set up 1200 as long as you are within the optimal magnification range of your lens, you are within the optimal aperture range of your lens and you have the correct condensers in the proper position. In fact, longer lenses will be corrected for less magnification then the 80. If you need more magnification at the same column height then a 60mm WA enlarging lens will also deliver superb results. And the best results, within normal magnification ranges, would be from a modern 80mm Apo lens.

Of course, all of this will not occur if you are not using a glass carrier and have correct alignment of your enlarger.

[David Ventura]

I'm Printing 10x10 with the 105 rode stock
My 80 is newer...

[ic-racer]

80mm won't cover 4x5 unless it is near 1:1. There is no debate here. Why do people keep suggesting such???

[Bob Salomon]

80mm won't cover 4x5 unless it is near 1:1. There is no debate here. Why do people keep suggesting such???

1 who said an 80 would cover in this thread?
2 how can you put an 810 negative into a Durst 45 enlarger?

[Cor]

This is unclear to me, David

what size of negative do you want to print ?

A 4*5 won't work with a 80mm lens & condensor, as IC-racer stated

If it's a 6*6, did you remove the small 50mm condensor (FEMOCON 50) on top of the double FEMOCON 80 ?

best,

Cor