todd_caudle Posted October 30, 2002 Share Posted October 30, 2002 For all those who offered suggestions or had questions of their own regarding half-darkslides when I posted a query recently, here's the results from my homemade half-darkslide. If you want to make one for yourself, simply draw diagonal lines from corner to corner on a darkslide to determine the center. (If you leave the slide a little fatter than half-sized, you'll end up with a larger seam between images.) Make sure you leave part of the slide intact up to the handle, making the missing slide portion only that which enters the exposed film area. Then score with a sharp knife and go back and forth until you slice through and put a deep gash in your leg. (Okay, maybe don't do that last part.) To use it, I always compose on the bottom half of the ground glass (or left half when doing verticals), and shoot with the darkslide over the top half. For the second exposure, I flip/rotate the camera back 180 degrees and do the same thing, always composing on the bottom or left half and darksliding the opposite half. It's a lot of fun!<div></div> Link to comment Share on other sites More sharing options...
light-zone Posted October 30, 2002 Share Posted October 30, 2002 Looks good Todd! A fatter division between the two inages will make it easier to cut the two images apart, and maintain an even border around the image area. Link to comment Share on other sites More sharing options...
scott walton Posted October 30, 2002 Share Posted October 30, 2002 Nice job! A great way to bracket those panoramics too. Link to comment Share on other sites More sharing options...
deardorff8x10 Posted October 30, 2002 Share Posted October 30, 2002 Have you had problems with light leaks along the center cut line? It does not appear to be so from your slide above. Link to comment Share on other sites More sharing options...
todd_caudle Posted October 30, 2002 Author Share Posted October 30, 2002 Of the 145 sheets of film I shot on this trip, I did 4 or 5 of these featuring different scenes, and in each one (discounting the one I double- ...er, ah, TRIPLE... exposed over a sheet of a single image 4x5), they all came out with crisp, clean margins. I thought the edge might come out a little fuzzy, but that was not the case. I'm itchin' to get out and do some more! If anyone wants to see other examples, let me know and I'll make a little time to scan a few more. If not, no worries... Link to comment Share on other sites More sharing options...
david_goldfarb Posted October 31, 2002 Share Posted October 31, 2002 I've done the same with an 8x10" darkslide, and I don't have any leaks along the edge either. Link to comment Share on other sites More sharing options...
paul moshay Posted October 31, 2002 Share Posted October 31, 2002 Great job Todd. I do that regularly when I test a new lot of trans film, saves film and does a super job. I usually make the half slide from a damaged one that has been accidently cracked at the lab, makes up for having to buy a new replacement slide. I have one for the 8x10 and for all of the 4x5's. Paul Moshay Link to comment Share on other sites More sharing options...
gnps Posted October 31, 2002 Share Posted October 31, 2002 I'm confused - why go through all the hassle of inverting the camera. All I do is use 25mm of rise or fall for each of the two halves to get the centre of the image circle in the centre of the shot and ensure both shots on the tranny are the same way up. OK, so I don't get a pretty border but the final product is going to be a print or scan anyway. I also make extensive notes on all exposures including identifying the holder used. All my holders are numbered and each half labelled A/B so I always know what has or hasn't been exposed. Agree - don't cut away all the darkslide, leave the handle end intact. Reduces the chance of a light leak (which I have never had) and helps ensure the darkslide remains square in the holder. Happy shooting. Link to comment Share on other sites More sharing options...
todd_caudle Posted October 31, 2002 Author Share Posted October 31, 2002 No reason to be confused. I don't invert the camera, I just turn the back 180 degrees. That way, I never have to recompose on the GG. I could just use 25mm of rise, if my field camera had rise/fall markings in mm, but alas, my field camera has no such markings. I could mark it myself, but that sounds like more work than necessary. Link to comment Share on other sites More sharing options...
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