can I enlarge 35mm film with a slide projector?
I want to try enlarging and printing my one pictures, i know the principle and procedure, but i am not gonna buy an enlarger, i was wondering, if i buy an old slide projector that accepts 35 mm film (and if it doesn't i will convince him) witch are pretty common and cheap at thrift shops, and set it up to project my enlargement on photo-paper , i can still do all the things an enlarger dose, mooving it further and closer would change the size, and the projector already has a focusing system. i goggled around and i was surprised not to find anything about that
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Not a good idea. You can do it if you have negatives to put in the projector. Your results will not be great but if you are that desperate to do it you can try. I think you are wasting your time and money.
Cheap Slide Projector
It's trash......They don't sell something for projectors anymore...Even bulbs are being pulled. I work in digital camera retailer processing portraits and lately, individuals are getting their entire slide collections scanned digitlly and put onto CD.....
Technically you can, but there will be a few issues.
First, the lenses in a slide projector aren't always the best quality since they are made to project an image on a screen that will be viewed from a distance.
Secondly, if you want to make smaller prints you will need specialized lenses that aren't made for focusing that closely.
You would probably be better off just buying an englarger. In fact you can probably get one for free. The community college I teach at is practically paying people to take the darkroom equipment since they don't want to store it.
You probably didn't find anything about it because at the time chemical films were used, projectors were more expensive than enlargers - and projectors make bad enlargers. Projector disadvantages compared to an enlarger:
- lens focussing set up for distances of 3...30 meters, not for 0.2...1 meters
- too bright (150 or 250 watts of halogen compared to 50..75 watts)
- light system (transformer plus halogen lamp) doesn't really like to be switched on and off that often, plus power-on and power-off times are quite long
- light leaks all over the place
- no decent way of getting additional filters into the light path
- etc. etc.
Yes, it's possible. But it's not worth the effort.
Yes you can! All you'll get are fuzzy blowups. You can't get enough sharpness even if you tried your hardest.
You might find a cheap enlarger instead! You would have to carefully align the slide projector somehow with the perpendicular to the plane of the paper, and find a slide projector with a lens that would focus that close. Projector lenses are designed to focus at a "room size" distance, not close up, and generally are not nearly as sharp as an enlarging lens. Frankly, I think anything you do along these lines is a waste of money simply because traditional darkroom paper and chemistry is quickluy becoming a specialty item and hard to find.
No. Slide projectors have no where near the image quality of an enlarger. There will be much that will be out of focus and probably some vignetting. They will also not be able to control the duration of the exposure with fine enough resolution.