Do Nikon teleconverters work on the Sigma 105 macro?
In a word: no. And not just “they’re unsupported”, or that they have optical issues – they physically will not connect. They are deliberately keyed to be incompatible. Nikon teleconverters have a protrusion on their lens mount, which prevents any ‘standard’ Nikon-mount lens from attaching, unless that lens is missing a particular obstruction on the rear … Read more