Adapting a focusing screen You can adapt a focusing screen for a different camera and different size. Here's how. When I bought my Hartblei HCAM B1 used on ebay, the focusing screen that came with it was somewhat scratched. But what bothered me more: the fresnel on that screen was so coarse that it
Calculating a parabolic reflector To make your own custom parabolic reflector in any size or depth out of tissue, you need to calculate the shape of the tissue segments and where to sew it. I did the math for you… here is how. Tools For my calculation I used the program „Grapher“ which comes
Medium Duty Swivel To tilt a flash (or light modifier) up and down on a light stand, you need a swivel / pivot clamp. They are either light (but not sturdy) or robust (but heavy), so I made my own medium duty swivel: light and robust. Why make one? There are basically two types
Focusable parabolic reflector I made my own DIY focusable deep parabolic reflector based on a softbox. In this article I describe how to make a speedring adaptor with a slidable tube that allows moving a flash head in and out of a the reflector, how to mount a flash head on the tube,
Ringflash bracket Commercial ringflash bracket all look alike. And they all suck. That's why I built my own. Small, light, no frills, quick release. The fundamental problem with most ringflash brackets is that they must fit a huge variety of cameras and lenses. All of which have different dimensions. It must be
Comparing parabolic softboxes for focusable reflector I extensively compared 3 softboxes for the purpose of making a focusable deep parabolic reflector (with the light source attached to a focusable tube, not to the speedring as intended). This article sums up my results. A focusable parabolic reflector is… …a light modifier with a parabolic shape that can
Seven5 Filter Case A custom Sev5n filter box for 75x90mm filters. I made my own because nobody makes those commercially. It's compact, light and sturdy. Here's how to do it. What makes a good filter case? Slide-in filters are probably the most useful accessory for landscape photography (besides a good tripod). With those
