Review on 📷 K&F Concept PK K Mount Lens to Sony NEX E-Mount Adapter: Compatible with Sony NEX-3/3C/3N/5/5C/5N/5R/5T/6/7/F3/VG10/VG20 by Joe Jordan

This adapter was shipped earlier this week. So far I've tested the A7ii and the following lenses: SMC Pentax-M 50mm 1.4- SMC Pentax-M 50mm 1.7- SMC Pentax-A 24mm 2.8- Tokina 24mm 2.8 Pros: Safer , perfect fit. Looks nice. Cons: The lenses I've tested will focus at infinity before stopping at infinity. The same lenses correctly focus at infinity on Pentax DSLRs. In addition, the Pentax 24mm lens shows strong vignetting at close range, regardless of aperture. the image projected by the lens does not cover the entire sensor. UPDATE: The extreme vignetting with the outdated Pentax 24mm lens (i.e. Full frame/35mm film lens) was the result of an unusual lens hood used by the lens owner. It seems that most, if not all,