From: "David Dyer-Bennet" > Cool idea. A bit crowded; I wish that the red/green/blue curves were > in their own color, to make them easier to distinguish. ah, that'll happen in the beta version :-) > When I go from 50mm on the left axis horizontally right until I hit > the blue curve, the intersection seems to me to be above about 550 on > the f-stop scale. So am I misunderstanding the instructions, or the > graph? no, you're right - as usual my hurriedly typed, saved-16-times-before-I find-the-message-again text was wrong <slaps forehead>, to compound the problem I was actually referring to a hand drawn graph when I penned this, and not only was I looking at the wrong focal length but also the wrong curve (because I drew the red curve in blue ink - go figure!) nice spot David ! I'll amend my notes immediately. Funny thing - on the reverse of the graph I have the example set out perfectly.. > I've done a tiny bit of pinhole photography with my Fuji S2. It's not > actually auto-exposure, but having immediate feedback on the LCD (with > histogram display!) is nearly as good, better in some ways. How do the results compare to film based pinhole work? > I could put the pinhole body cap on my PB4 bellows, mount that on my > S2, and have a zoom digital pinhole system. What I *actually* hope to > get to some day is putting a pinhole in a lensboard on the 4x5. Also > zoom, but much bigger negative area. I want sharpness out of my > pinhole, so I need the big negative. true. good luck, and thanks again for the correction :-) k