I bought myself a new toy. The Lensbaby Composer - Nikon mount with 35mm sweet spot lens. It seems I cannot use this on my Nikon D5300 since it does not work. "No lens attached" it tells me when I mount the composer. "So what ?" I replied, but this did not help at all. Fortunately my old D300 accepts it without problems, as well as the D600. Not sure what is the best option, APS-C or FF. The first shot is FF, the others are APS-C. Very hard to manually focus when things are moving, like that bee.