This is a used Philips PF1 flashbulb. It used contain magnesium wool – now it contains magnesium oxide splattered over the inside, and the glass has cracked with the heat of the flash.
Today I bought and collected a second-hand Durst C35 enlarger. It needed a new bulb, and the manual says very little about bulbs except you must use a MELAMP 55. Users in some forums, including this one, say that compatible bulbs are difficult to find, or expensive. A little research tells me that the correctContinue reading “Enlarger bulbs for the Durst C35”
A while back I took an interest in infrared photography, and I bought a couple of rolls of Maco 820c infrared film. Using infrared film involves a huge amount of trial and error, and unlike digital cameras, you can’t take one or two pictures and check after each one. You have to shoot a wholeContinue reading “Success with infrared photography”
A while back, I bought a Conway Synchronised box camera which came with a Coro Flash included. More recently I managed to get hold of some flash bulbs for it, but had trouble using them. Using a multimeter and some paperclips I tested each stage of the flashgun and the synchronised trigger mechanism in theContinue reading “Flashbulbs”
I recently built a pinhole lens for my 35mm SLR. I took some photos over Christmas and I just got the film back from the developers. The results are good, given that this “lens” is a piece of tin foil with a hole in it. The focus is pretty good, although not perfect. The biggerContinue reading “Pinhole photos”
Having just read this article about the phasing out of 100W light bulbs, I decided to take a photo of one. Unfortunately I don’t have any traditional light bulbs (I’m a good boy!) but I found a desk lamp with a 12V halogen bulb. I took this photo using an infra-red filter.