Much better than I sped up. I've just looked at hundreds of slides and some I like have been able to take a picture through the viewer with my phone and then send it to my computer and then Photoshop to fix it. I did the same with the negatives, it was a bit more difficult, I had to convert in Photoshop. The price was good, I received it in two days, other sellers wanted more days. No battery is required for connectivity. When multiple slides get stuck and only a few slides can remain in the output tray. The light is bright enough to quickly see if you want to use it. I like it.