We have a bit of a mini theme, a trio of lens adapters and converters of sorts. We start with the ones that using magic (or mayhaps science) to offer autofocusing. It is a sale on two Vello Accelerator Lens Adapters for $199 each. These allow you to connect a Nikon F or Canon EF lens to a Sony E-mount camera. Check specs and reviews and forums if you are not familiar with the trade-offs of these. This is a limited time promotion (I do not know when it expires).