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.
Tag Archives: bulb
Enlarger bulbs for the Durst C35
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”
Success with infrared photography
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”
Flashbulbs
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”
Pinhole photos
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”
Ode to filament bulbs
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.
Jonathan Gazeley 