>>2998254You can't use the 50/1.8 unless you reverse mount it, or get macro tubes for it, and the results will be ordinary anyway.
If you are a poorfage, then a good enlarger lense, adapted to a bellows, adapted to your camera, is probably the most economical way to get excellent results, as in
>>2996110If you're not *that* poor, then a quick check of your local gumtree/craigslist equivalent will reveal that people are practically throwing away the Canon EF 100mm Macro these days.
You can find them for around $350, and they are a superb lense in every respect.
Pic related, shot with it, scanned with it.