I keep my film holders in plastic bags until I use them. Still, whenever I go to a sandy place, dirt gets stuck in the holders' light trap and scratches my dark slides. Once grit is in there, I can't get it out. How should I clean my film holders?
I keep my film holders in plastic bags until I use them. Still, whenever I go to a sandy place, dirt gets stuck in the holders' light trap and scratches my dark slides. Once grit is in there, I can't get it out. How should I clean my film holders?
The best way to clean these is with compressed air,or a powerfull vacuum cleaner.I vacuum my holders,then brush them with an anti- static brush.One trick Ive learned:avoid sliding the sheets against each other when loading!This builds up huge static charges,which cause dust to leap at the film!
A blower attachment on an air compressor works wonders for this. I had used regular canned air to clean my 8x10 holders numerous times, but when I tried the air compressor, you would not believe the amount of dirt, dust, etc that came flying out of the light trap. The added velocity and volume of air coming out of an air compressor as compared to canned air makes all the difference in the world. If you don't have an air compressor, you could probably find a friend or local shop that does that you could use. Well worth the effort. My negs are a whole lot cleaner and my darslides slide a lot smoother since I gave my holders this treatment.
First of all I remove the slides and give the holder a good blast with a can of compressed air (making sure I aim the nozzle extension into the corners). Then I give the holder a quick brush with an anti- static brush. I give the slides a quick brush too before reinserting them. I load up with film straigh after, and only pull the slides an inch or two out of the slot. Very little dust - touch wood!!
Before rushing out to a local automotive or machine shop to blow out your film holders, one WORD OF CAUTION: most compressors used in heavy duty commercial settings have an inline oil system to provide lubrication to air tools. The last thing you need is to deposit a film of oil on your holders. Make sure that the air source is being provided by an oil-free compressor.
My air compressor was built for use with an airbrush and it has a small filter on it which collects moisture before the air comes out of the nozzle. They're cheap and easy to install.
An addition to Matt's posting. Even if there is no inline oil system all piston-driven compressors will have oil in the lines/tanks due to blow-by, not to mention moisture from condensation. Unless there is a maintained system of dryer, water and oil traps, I would advise staying away from any high pressure air.
When at home, I'd recommend using a vacuum cleaner. Blowing with compressed air only moves the dust around. To get grit out of the dark side tracks, remove the dark slide, and tap it on the edge of the holder. In the field, I use an Ilford antistatic cloth to wipe the holders before reloading. I was using an ordinary paint brush to dust them, but recently have gotten static-electric 'spiders' on negatives and have stopped. I think the paint brush is still a good idea before putting the holder in the camera, however, especially, after you have opened and closed the plastic bag a few times.
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