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Visoflex + 65mm + M8


hankg

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Guest guy_mancuso

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Well this looks just about a perfect setup overall with and without the Visoflex. i think i may just get the lens with my 30percent which is only 1135.00 which is pretty good and i have the Viso all ready to go. My other 30 percent either the Nocti or i really want a 135 apo 3/4. I am almost this () close to completely switching to the M for everything. i must be nucking nuts. I have yet to do a job where i could not use the M only and this is after 5 months now

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The one pair of conditions that I didn't shoot was close focus collapsed vs. far focus extended (in both cases on the viso) - I actually think that there is a small gap in that range, but it can be bridged by using the macro adapter as an extension tube in front of the viso with the lens in the collapsed position.

 

My 2 x 30% are committed to the nocti and the wa-te.

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Thanks Hank it seems like a very intriquing lens because we can get double duty with it with the Viso and without. Really like the Viso and it is in my big bag to go on all jobs. Just never know if you want to get close to something. It also solves the not having a DSLR with you issue.

 

I shot this for a client yesterday one of the many variations but I used the 75 lux becuase it is the closet focusing lens i have , now the 90 macro would have been a good choice and if i need to drop in closer on the buttons than it would have been easier. The Visoflex with the 75mm gets about 2 buttons in size but I have nothing in between and that is the area that is my concern is that cigarettes box size.

30423d1174485884-visoflex-65mm-m8-32432aom.jpg

 

Is that a SD card slot :)

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What adapter would be needed to mount enlarging lens with 39mm screw mount to Viso?

 

Hank, you just need a normal M39-M adapter. If you mean the Bellows II instead, then my 16590N adapter seems to fit my CV15 with M39 screw mount. I doubt that this is the hot setup, but at least it fits.

 

Here is a picture of my setup, with the M6 modeling the Visoflex III and Bellows II with 50 Lux Asph, followed by the result of the actual shot, but taken with the M8 instead. The item being photographed is the little lens-release knob on an adapter, so you should have an idea of how large it is. One ring smaller than the one on the Visoflex III for those who have one. The six adapters lying on the table along with the Bellows II to M adapter in use all came with the same, and everything is in great condition, for €107. I really lucked out here.

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f/8, I recalled RobSteve's comment about sharpness. I am not sure if it is really true that Leica M lenses get softer as they are stopped down past f/5.6 though. I thought that they just flattened out and stayed the same until the onset of diffraction? Anyway. I can see the difference between f/11 and f/16, with f/11 being sharper, but f/16 being usable if absolutely needed for the extra DOF. I haven't compared below that yet, but will.

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f/8, I recalled RobSteve's comment about sharpness. I am not sure if it is really true that Leica M lenses get softer as they are stopped down past f/5.6 though. I thought that they just flattened out and stayed the same until the onset of diffraction? Anyway. I can see the difference between f/11 and f/16, with f/11 being sharper, but f/16 being usable if absolutely needed for the extra DOF. I haven't compared below that yet, but will.

 

Diffraction starts at f:1.0! The better corrected a lens is, the sooner will they be diffraction limited, i.e. increasing diffraction will outbalance the improvement of 'conventional' lens aberrations as you continue to stop down. I used to notice the increasing softness of the reproduction of negative grain from about f:8 with good enlarging lenses, when I was still in that game.

 

The old man from the Age of the El-Nikkor

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Guest guy_mancuso

Needless to say i shot this on location and i actually shot this at F13 with a 75 lux. Something i rarely do but i was working on something else that i needed F 13, this was a break in the action and i shot this for fun, But it held up pretty well

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The Leica 39mm thread mount is the same one used for enlarging lenses. In days of old, many used their 50mm taking lenses as enlarger lenses; of course, they did not compete with the excellent Leitz Focotars designed specifically for enlarging.

 

There is another smaller thread mount that was associated with Schneider enlarging lenses, but its size limited the number of lenses that could be adapted.

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Yes, that's right. It actually says 16596G on it. I don't know what the letter means. However, I just found an old Schneider-Kreuznach Componar 1:4,5/75 enlarger lens with an M39 mount, so I will try that today and see how sharp that is. I tried the 75 Lux yesterday, but it is not nearly as sharp as the 50 Lux Asph.

 

Something I am curious about: the 50 Lux Asph attains its sharpness at close range partially by the inclusion of a floating element. Does this mean that this is a better lens up close than other similar lenses? Should I focus near or on infinity when doing macros shots?

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I just tried the Schneider-Kreuznach lens, and the 75 Summilux is *much* sharper. No comparison at all. I don't know whether enlarging lenses are just not the right design for this, or if has to do with the age and design of the lens. It must be rather old (but then, so is the 75 Lux). The lens looks a lot like this one:

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I have spent the last 30 years using Leica macro gear which has the advantage of solid and precise engineering i even prefer to still adapt SLR digital bodies to this equipment because of its precision. The magic of the M series and visoflex is the lack of vibration from the roller shutter and the relatively softer mirror action especially if used with a delay or dual cable release. The alternative is to bolt the camera solidly to a large mass in my case a Wild Macro stand with 5cm steel column and cast Iron Base. I will try to put up a photo later.

The OUAGO focussing mount for the Elmar 90mm F4 lens head can also be used with the 65 Elmar and has a finer focussing action but not the same close up capability (about 60cm). A 16469Y M extension tube or 16468X extender for the lens head will get you closer. The combinations and adaptors are not easy to find but that is part of the fun. I even used a visoflex on bellows for posed shots at a wedding the results amazing but the experience was more like large format shooting where the shot was set up then the subjects engaged in conversation without looking through the camera while releasing The shutter. The rest was shot in classic rangefinder candid style, thats versatility.

 

Cheers Pierre

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The Macro stand

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I just tried the Schneider-Kreuznach lens, and the 75 Summilux is *much* sharper. No comparison at all. I don't know whether enlarging lenses are just not the right design for this, or if has to do with the age and design of the lens. It must be rather old (but then, so is the 75 Lux). The lens looks a lot like this one:

 

The lens you used is a very cheap and simple design. There's a HUGE difference in performance between an old Componar and a modern top range lens like a Componon, El-Nikkor or APO-Rodagon. Seriously, on 1:1 to 1:5 magnifications any of those three should outperform easily non macro lenses as Summiluxes / Summicrons. ( corner sharpness, field curvature, CA.. )

BTW -At which aperture did you the comparison between the Componar and the Summilux ? - Those old cheap enlarging lenses work decently stopped down to F8/11 but not at all full open.

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