I temporarily tried a few 'interesting' methods myself too ... stuck the filnm strip to a window, and so on.

Nothing beats the bellows + film attachment for ease and speed, and focusing accuracy and so on.

My only dilemma is that I don't have the 'correct lens' (or alternatively, the correct camera!) for my setup(using the Nikon PB-4 + PS-4 slide copy attachment).

It seems to be optimised for using a 50mm lens on a full format camera, but I only have the Dx format D300. The only lens I have at my disposal is the Tamron 28-75mm lens, as the best focal length to use on the bellows setup is a 75mm focal length, due to the technical workings of the bellows.

So I'm trying to source a ~75mm lens to get back into copying my film into a digital format.