single-slide projectors

BetterSense · Apr 6, 2014

Did anyone ever make a slide projector that did 1 slide at a time?

I have no desire to store my slides in those giant carousels, nor to laboriously load and unload them just to be able to project. A projector where I can just drop a slide in would be great.

Rick A · Apr 6, 2014

As far as I know, all projectors show only one slide at a time.

I have a GAF that takes round or cube magazines, but also has an editing feature for projecting one slide without loading a magazine.

Bill Burk · Apr 6, 2014

Many old slide projectors had simple one-at-a-time mechanisms.

There are also stack loaders, which is even more convenient.

Not like me to be sour on any brand, but the Slide Cube series depends on square-cornered slides for feeding, and fails badly on rounded corner slides.

frank · Apr 6, 2014

Minolta made a cute and clever Mini.

http://www.retrothing.com/2007/07/minolta-mini-35.html

railwayman3 · Apr 6, 2014

I can recall "Aldis" slide projectors being standard in schools. One slide at a time in a to-and-fro sliding holder, with this being interchangable with a filmstrip attachment, which projected positives one at a time from a long roll of film winding from one spool to another, anything up to 50 or so frames to illustrate a lesson. Not seen an Aldis for a while, but they were solid grey or fawn finished metal, built like the proverbial battleship ! (A quick search shows lots on Ebay.)

Rick A · Apr 6, 2014

I just remembered the Argus projector I hade a millenia ago, you fed it one slide at a time and no provision for a magazine.

BMbikerider · Apr 6, 2014

Lietz made several, I have one which is circa 1950 but don't know the name of the model.. Unfortunately the bulbs are no longer available however I still have a one spare. Leitz also made one for public presentation which had a 300mm lens as standard circa 1960-65. The English firm of Aldis did several and can still occasionally be found on E bay etc.

snapguy · Apr 6, 2014

slides

There were many single slide projectors going back to the days before electricity. Argus made the 300 which I just saw on eBay for $10, buy it now. Many held two slides so you could put one in or take it out while showing the other. The Argus is a snappy two tone blue color.

AgX · Apr 6, 2014

There had been several manufacturers in West- and East-Europe that manufactured such. The best known was Leitz. The better models of such projectors had a double frame slider. Thus whilst projecting one slide one could look for the next and put it into the slider making it ready for projection.

AgX · Apr 6, 2014

BetterSense said:
I have no desire to store my slides in those giant carousels, nor to laboriously load and unload them just to be able to project.

I see no difference between putting one or two single slides into a tray or in succession into a slider.

Most straight-tray projectors can be stored including the tray very compact. Though often the space for the tray is used to take the electricity cable. One might cut a tray short though. Anyway such projectors can be very compact and those mere-slider projectors do not offer any benefits with prices of today, seen that even if the body might be smaller then still one half of the double slider would stand out. There are though models with turnable slider as the Fafix, but with inferior lens. For example the Pradovit Color tray-projector is very compact and got its own dust cap, turning the whole thing into a small case.

fotch · Apr 6, 2014

Kodak made an accessory that did that instead of using the carousel, I have one, hardly ever used it. Don't remember what they called it.

Oren Grad · Apr 6, 2014

Strictly speaking, you don't need a Carousel tray to project a slide with a Carousel projector - just leave the tray off, insert the slide directly into the projection gate from the top, and eject it when you're ready to move on to the next one. Not elegant, but it works.

David Brown · Apr 6, 2014

BetterSense said:
Did anyone ever make a slide projector that did 1 slide at a time?

Yes, they were very common.

http://www.ebay.com/itm/Three-Dimen...US_Movie_Slide_Projectors&hash=item3f33696d86

Also, there is a stack loader for the carousels, that eliminates the carousels.

http://www.ebay.com/itm/Kodak-Carou...146?pt=LH_DefaultDomain_0&hash=item27e180d092

AgX · Apr 6, 2014

David Brown said:
Yes, they were very common.

http://www.ebay.com/itm/Three-Dimen...US_Movie_Slide_Projectors&hash=item3f33696d86

That is even a kind of intermediate, as it does not use a tray but still enables to project a batch without further inserting slides into a slider.

But still there is the need to orientated the slides correctly, so I do not see a substantial benefit against a compact tray-projector.

There are 8 ways to orientate a slide. Only one is correct...

AgX · Apr 6, 2014

I rather see the benefit in single-slide projectors on the educational side.
They visualise the idea of a slide much better.

cliveh · Apr 6, 2014

AgX said:
I rather see the benefit in single-slide projectors on the educational side.
They visualise the idea of a slide much better.

How can a projector visualise a slide?

AgX · Apr 6, 2014

Not the slide, but the idea behind it.

In a tray projector the slide is sunk in a tray and then with some, sometimes unclear, mechanism vanishes in that body. And the projection often starts out of the dark.
Those single slide projectors have that slider at the uncovered barrel. One sees it dropped into the slider, pushed into the barrel, into the light beam. The same time there is that image on the screen that moves sideways into that enlighted patch.

adelorenzo · Apr 6, 2014

I have a Sears and Roebuck slide projector that only takes on slide at a time. Made by Tower Photographic. Looks like it was a fairly inexpensive unit, the lens is plastic. Just for fun I rewired it although I don't actually own any slides, it works fine.

bdial · Apr 6, 2014

I have one that takes two slides at a time arranged 180 degrees from each other on a wheel .
Not sure of the brand, it was an antique when I bought it 20-30 years ago. It works well though, and fit my needs well when I bought it.

David Brown · Apr 6, 2014

AgX said:
That is even a kind of intermediate,

I linked to the wrong one ...

http://www.ebay.com/itm/VINTAGE-VIE...US_Movie_Slide_Projectors&hash=item20e30972bc

Loren Sattler · Apr 6, 2014

I used a typical carousel Kodak slide projector for years bur with the accessory "Stack Loader" which was very convenient. The stack loader sat on the top where the carousel typically was located. You can bulk load up to 36 slides in the loader right out of a slide box and automatically feed them through the projector just like with the carousel without needing to load the cumbersome carousel. You can probably find a stack loader on ebay for very little money.

David A. Goldfarb · Apr 7, 2014

Before projectors with trays, dating to lantern slides, there were projectors with a sliding mechanism where you could put a slide on one side, slide it into place, then place a slide on the opposite side, slide it into place, and replace the first slide with a new one, etc. For some reason I associate this sort of projector with scenes in WWII movies.

If you want to project medium format slides this way, keep an eye out for a Beseler Slide King--a beast of a machine for slides up to lantern format, for projection in large auditoriums (try to find a short lens, 8" or 10", for a normal sized room in a house).

Jim Taylor · Apr 7, 2014

railwayman3 said:
I can recall "Aldis" slide projectors being standard in schools. One slide at a time in a to-and-fro sliding holder, with this being interchangable with a filmstrip attachment, which projected positives one at a time from a long roll of film winding from one spool to another, anything up to 50 or so frames to illustrate a lesson. Not seen an Aldis for a while, but they were solid grey or fawn finished metal, built like the proverbial battleship ! (A quick search shows lots on Ebay.)

There's one of these in the classroom I lecture in, not 20ft from me now! I love it! Students think it's a great bit of 'olden days' technology!!

AgX · Apr 7, 2014

David Brown said:
I linked to the wrong one ...

http://www.ebay.com/itm/VINTAGE-VIE...US_Movie_Slide_Projectors&hash=item20e30972bc

And I did not realise that...
But there were at least groundglass viewers that accepted a bunch of lose slides in a kind of stack, inserting into the beam just one slide and after rejection letting it fall into another guide, forming another stack.

Bill Burk · Apr 8, 2014

My family gave me a Kodak 500 projector for the holidays. It takes either single loader or trays. Drat that the original owner lost the changer mechanism. So I had to poke the slides in one by one. It was a bit dicey but worked for the show.

I also have an early 80-tray only Model 550 Carousel projector that is my go-to projector. Won't accept the 140 trays or the stack loader.

Also have a model 750H Carousel. Never got the Stack Loader for it.

For stack loading, I've got my dad's old Sawyer Rotomatic. This was awesome because it took straight, its own carousels and a stack loader. Also found a cool front-projection preview screen for it at a garage sale. My dad used to teach high-school art, and would use the stack loader to show off slides of student's art pieces.

My part in all this was taking those slides of his student's artwork.

single-slide projectors

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