Hello, I have a Canon EOS 4000D and just bought a sigma macro lens for canon, mini-wide 2 1:2.8 f= 28mm, and it doesn't fit? I know there are some adapters out there but I'm unsure if they would work or which one to buy if there is one. Any suggestions?
Well you'll need to figure out for sure which mount of the lens you actually have as it came in about half a dozen different options. This lens was a mid 80's era lens so it was made by sigma for the popular mounts at the time. https://lens-db.com/sigma-mini-wide-mf-28mm-f28-ii-1985/ If you have one for canon it would be a and FD mount you need to convert to ef or ef-s since you have a crop sensor. If its in another mount like k mount for pentax then you need that adapter. You will have to take a picture of the mount so the members here can help identify what you have.
also is there a reason for choosing the 28mm focal for macro? the 105mm ƒ2.8 sigma ex macro lens is still available new and comes up half the price second hand, its a nice macro focal and the lens has both af and os
