These slide frames are mature and top notch. Because they do not require glass, they also take up little space. The Framing is simple, there is even a Rahmumgsgerät of Reflecta with illuminated viewer. However, can not handle this narrow frame of each projector. I z. T. more ancient slides in glass frames. Which have become quite unsightly and blind over time and attacked by fungi. I skimmed all, cleaned and fitted into these beautiful Reflecta frame. The space savings is enormous. Then I send the magazines to a professional who same digitized on DVD and create a slideshow. You can do well myself, but costs time and money. This currently make a lot, because the offer is huge. People then do not need any more magazines and frame and set on eBay where you can bid on them cheap. With several thousand slides go nicely into the money.