peter_olsson Posted July 5, 2000 Share Posted July 5, 2000 In Sally Mann's beatiful Intimate Family several of thepictures are sharp in the middle but feature an abruptdecrease in sharpness towards the edges and corners. It'snot subtle (but strikingly effective). <p> She uses an 8x10 view camera, but how is the sharp/softeffect above achieved? (1) Is it during the taking stageor in the darkroom? (2) Is it (as I suspect) an effect ofusing lenses that are made for smaller formats than8x10? (3) If none of (1) or (2), what? Coke-bottles? <p> Thank you for any answer from you knowledgeable large-format shooters. Note, this is a technical question,not a question on how Sally Mann is able to turn outthe pictures as she does (which would require a strongmother-child bond anyway, in addition to skill). Link to comment Share on other sites More sharing options...
rsriram Posted July 5, 2000 Share Posted July 5, 2000 Probably not (2), since the lens wouldn't cover an 8x10" negative - it would only cause severe vignetting. I've seen some (unnamed) filters which may be able to do what you described. These are clear in the centre and get progressively diffused as you go towards the edges of the filter. I'm just guessing here. Link to comment Share on other sites More sharing options...
chad_jarvis1 Posted July 5, 2000 Share Posted July 5, 2000 Sally uses old/"damaged" lenses which barely cover 8x10. She has no secret techniques other than developing paper in VERY OLD, extremely oxidized film developer and the occasional toning in odd substances such as tea. Link to comment Share on other sites More sharing options...
david_goldfarb Posted July 5, 2000 Share Posted July 5, 2000 Yes, she experiments with all kinds of old, undistinguished (i.e., not Dagors, Artars, etc.) lenses--kind of a large format Holga approach. Modern lenses are usually shielded to vignette sharply before the image circle degrades. Older lenses may go soft at the corners before they begin to vignette. Link to comment Share on other sites More sharing options...
doug_paramore2 Posted July 5, 2000 Share Posted July 5, 2000 Peter: You can get the same effect with a single element meniscus lens. It isn't complicated. A close-up attachment lens designed for 35mm cameras works well. This is the plus lens that screws into the finlter ring of the 35mm lens. Mount it in front of a shutter and you are in business. You will have to figure out the f-stops. Good shooting. Link to comment Share on other sites More sharing options...
doug_paramore2 Posted July 5, 2000 Share Posted July 5, 2000 Peter, that should read screws into the FILTER ring of the 35mm lens. Sorry about the typo. Doug. Link to comment Share on other sites More sharing options...
michael_wellman Posted July 6, 2000 Share Posted July 6, 2000 There is nothing special in Ms. Mann's photographs of her family. She used an 8x10 camera and older lenses with shutters. The photo's that you speak of, I believe, were shot wide open with little depth of field. You could also achieve this shallow depth by swinging the front tilt of the camera up/down. But, I don't believe her older camera has this ability. <p> Now, that her family has grown up, she has started to take landscape pictures of the old south. She is using the older lenses with all of their problems (some without shutters) for this project. She is also using glass plates for many of these photo's. There was an artilce in 'View Camera' Sept/Oct 99 concerning this new project. <p> Personally, I don't care for her new style and I'm appalled at how much she's getting for these out of focus vignetted photo's. I don't believe these photos would be given a second thought if they were not taken by her (or another photographer of her statue). Link to comment Share on other sites More sharing options...
c._w._dean Posted July 6, 2000 Share Posted July 6, 2000 If you look at a lot of work from around 100 years ago, you see similar effects. At that time, the Rapid Rectilinear design was widely used in large format and it's definition falls off at the edges especially if used near wide open. Other designs like the Petzval portrait lenses had a curved field of focus (like a saucer); sharper in the direct center and softer at the edges--in order to photograph a group of say 6 or 8 figures (and get them all in focus), the photographer had to arrange them in a semi-circle roughly corresponding to the curvature of the lens. Sally Mann has said that she tries dozens of old lenses looking for interesting results. The Pinkham-Smith, Graf Variable, Spencer Portland, and Wollensak Verito were notable for the soft/sharp manipulations with the variations in sharpness controlled by the iris and selective focus. The present day Imagon has been around at least 100 years and produces similar results. Link to comment Share on other sites More sharing options...
peter_mcdonough1 Posted June 10, 2001 Share Posted June 10, 2001 As to using a close-up meniscus lens for soft-focus , I get much better coverage by mounting the filter behind the shutter rather than in front. The front of the filter thus facing the film. Link to comment Share on other sites More sharing options...
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